+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- A D A . I N T E R R U P T S . N A M E S --
--- --
--- S p e c --
--- --
--- Copyright (C) 1991-2002 Free Software Foundation, Inc. --
--- --
--- GNARL is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
--- The GNARL files that were developed for RTEMS are maintained by On-Line --
--- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
--- tion with Ada Core Technologies Inc. and Florida State University. --
--- --
-------------------------------------------------------------------------------
-
--- This is a RTEMS version of this package
---
--- The following signals are reserved by the run time:
---
--- SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGTRAP, SIGABRT, SIGINT,
--- SIGALRM, SIGEMT, SIGKILL
---
--- The pragma Unreserve_All_Interrupts affects the following signal(s):
---
--- SIGINT: made available for Ada handlers
-
--- This target-dependent package spec contains names of interrupts
--- supported by the local system.
-
-with System.OS_Interface;
--- used for names of interrupts
-
-package Ada.Interrupts.Names is
-
- -- Beware that the mapping of names to signals may be
- -- many-to-one. There may be aliases. Also, for all
- -- signal names that are not supported on the current system
- -- the value of the corresponding constant will be zero.
-
- SIGHUP : constant Interrupt_ID :=
- System.OS_Interface.SIGHUP; -- hangup
-
- SIGINT : constant Interrupt_ID :=
- System.OS_Interface.SIGINT; -- interrupt (rubout)
-
- SIGQUIT : constant Interrupt_ID :=
- System.OS_Interface.SIGQUIT; -- quit (ASCD FS)
-
- SIGILL : constant Interrupt_ID :=
- System.OS_Interface.SIGILL; -- illegal instruction (not reset)
-
- SIGTRAP : constant Interrupt_ID :=
- System.OS_Interface.SIGTRAP; -- trace trap (not reset)
-
- SIGIOT : constant Interrupt_ID :=
- System.OS_Interface.SIGIOT; -- IOT instruction
-
- SIGABRT : constant Interrupt_ID := -- used by abort,
- System.OS_Interface.SIGABRT; -- replace SIGIOT in the future
-
- SIGEMT : constant Interrupt_ID :=
- System.OS_Interface.SIGEMT; -- EMT instruction
-
- SIGFPE : constant Interrupt_ID :=
- System.OS_Interface.SIGFPE; -- floating point exception
-
- SIGKILL : constant Interrupt_ID :=
- System.OS_Interface.SIGKILL; -- kill (cannot be caught or ignored)
-
- SIGBUS : constant Interrupt_ID :=
- System.OS_Interface.SIGBUS; -- bus error
-
- SIGSEGV : constant Interrupt_ID :=
- System.OS_Interface.SIGSEGV; -- segmentation violation
-
- SIGSYS : constant Interrupt_ID :=
- System.OS_Interface.SIGSYS; -- bad argument to system call
-
- SIGPIPE : constant Interrupt_ID := -- write on a pipe with
- System.OS_Interface.SIGPIPE; -- no one to read it
-
- SIGALRM : constant Interrupt_ID :=
- System.OS_Interface.SIGALRM; -- alarm clock
-
- SIGTERM : constant Interrupt_ID :=
- System.OS_Interface.SIGTERM; -- software termination signal from kill
-
- SIGUSR1 : constant Interrupt_ID :=
- System.OS_Interface.SIGUSR1; -- user defined signal 1
-
- SIGUSR2 : constant Interrupt_ID :=
- System.OS_Interface.SIGUSR2; -- user defined signal 2
-
-end Ada.Interrupts.Names;
+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- S Y S T E M . O S _ I N T E R F A C E --
--- --
--- B o d y --
--- --
--- Copyright (C) 1991-2002 Florida State University --
--- --
--- GNARL is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. It is --
--- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
--- State University (http://www.gnat.com). --
--- --
--- The GNARL files that were developed for RTEMS are maintained by On-Line --
--- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
--- tion with Ada Core Technologies Inc. and Florida State University. --
--- --
-------------------------------------------------------------------------------
-
--- This is the RTEMS version of this package
-
--- This package encapsulates all direct interfaces to OS services
--- that are needed by children of System.
-
-pragma Polling (Off);
--- Turn off polling, we do not want ATC polling to take place during
--- tasking operations. It causes infinite loops and other problems.
-
-with Interfaces.C; use Interfaces.C;
-package body System.OS_Interface is
-
- -----------------
- -- To_Duration --
- -----------------
-
- function To_Duration (TS : timespec) return Duration is
- begin
- return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9;
- end To_Duration;
-
- -----------------
- -- To_Timespec --
- -----------------
-
- function To_Timespec (D : Duration) return timespec is
- S : time_t;
- F : Duration;
- begin
- S := time_t (Long_Long_Integer (D));
- F := D - Duration (S);
-
- -- If F has negative value due to round-up, adjust for positive F value
-
- if F < 0.0 then S := S - 1; F := F + 1.0; end if;
- return timespec'(tv_sec => S,
- tv_nsec => long (Long_Long_Integer (F * 10#1#E9)));
- end To_Timespec;
-
- function To_Duration (TV : struct_timeval) return Duration is
- begin
- return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6;
- end To_Duration;
-
- function To_Timeval (D : Duration) return struct_timeval is
- S : int;
- F : Duration;
- begin
- S := int (Long_Long_Integer (D));
- F := D - Duration (S);
-
- -- If F has negative value due to a round-up, adjust for positive F
- -- value.
- if F < 0.0 then S := S - 1; F := F + 1.0; end if;
- return
- struct_timeval'
- (tv_sec => S,
- tv_usec => int (Long_Long_Integer (F * 10#1#E6)));
- end To_Timeval;
-
- procedure pthread_init is
- begin
- null;
- end pthread_init;
-
- function Get_Stack_Base (thread : pthread_t) return Address is
- pragma Warnings (Off, thread);
-
- begin
- return Null_Address;
- end Get_Stack_Base;
-
- function Get_Page_Size return size_t is
- begin
- return 0;
- end Get_Page_Size;
-
- function Get_Page_Size return Address is
- begin
- return 0;
- end Get_Page_Size;
-
-end System.OS_Interface;
+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- S Y S T E M . O S _ I N T E R F A C E --
--- --
--- S p e c --
--- --
--- Copyright (C) 1997-2003 Free Software Foundation, Inc. --
--- --
--- GNARL is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
--- The GNARL files that were developed for RTEMS are maintained by On-Line --
--- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
--- tion with Ada Core Technologies Inc. and Florida State University. --
--- --
-------------------------------------------------------------------------------
-
--- This is the RTEMS version of this package
-
--- These are guesses based on what I think the GNARL team will want to
--- call the rtems configurations. We use CPU-rtems for the rtems
--- configurations.
-
--- This package encapsulates all direct interfaces to OS services
--- that are needed by children of System.
-
--- PLEASE DO NOT add any with-clauses to this package
--- or remove the pragma Elaborate_Body.
--- It is designed to be a bottom-level (leaf) package.
-
-with Interfaces.C;
-package System.OS_Interface is
- pragma Preelaborate;
-
- -- This interface assumes that "unsigned" is a 32-bit entity. This
- -- will correspond to RTEMS object ids.
-
- subtype rtems_id is Interfaces.C.unsigned;
-
- subtype int is Interfaces.C.int;
- subtype short is Interfaces.C.short;
- subtype long is Interfaces.C.long;
- subtype unsigned is Interfaces.C.unsigned;
- subtype unsigned_short is Interfaces.C.unsigned_short;
- subtype unsigned_long is Interfaces.C.unsigned_long;
- subtype unsigned_char is Interfaces.C.unsigned_char;
- subtype plain_char is Interfaces.C.plain_char;
- subtype size_t is Interfaces.C.size_t;
-
- -----------
- -- Errno --
- -----------
-
- function errno return int;
- pragma Import (C, errno, "__get_errno");
-
- EAGAIN : constant := 11;
- EINTR : constant := 4;
- EINVAL : constant := 22;
- ENOMEM : constant := 12;
- ETIMEDOUT : constant := 116;
-
- -------------
- -- Signals --
- -------------
-
- Max_Interrupt : constant := 31;
- type Signal is new int range 0 .. Max_Interrupt;
-
- SIGXCPU : constant := 0; -- XCPU
- SIGHUP : constant := 1; -- hangup
- SIGINT : constant := 2; -- interrupt (rubout)
- SIGQUIT : constant := 3; -- quit (ASCD FS)
- SIGILL : constant := 4; -- illegal instruction (not reset)
- SIGTRAP : constant := 5; -- trace trap (not reset)
- SIGIOT : constant := 6; -- IOT instruction
- SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
- SIGEMT : constant := 7; -- EMT instruction
- SIGFPE : constant := 8; -- floating point exception
- SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
- SIGBUS : constant := 10; -- bus error
- SIGSEGV : constant := 11; -- segmentation violation
- SIGSYS : constant := 12; -- bad argument to system call
- SIGPIPE : constant := 13; -- write on a pipe with no one to read it
- SIGALRM : constant := 14; -- alarm clock
- SIGTERM : constant := 15; -- software termination signal from kill
- SIGUSR1 : constant := 16; -- user defined signal 1
- SIGUSR2 : constant := 17; -- user defined signal 2
-
- SIGADAABORT : constant := SIGABRT;
-
- type Signal_Set is array (Natural range <>) of Signal;
-
- Unmasked : constant Signal_Set := (SIGTRAP, SIGALRM, SIGEMT);
- Reserved : constant Signal_Set := (1 .. 1 => SIGKILL);
-
- type sigset_t is private;
-
- function sigaddset (set : access sigset_t; sig : Signal) return int;
- pragma Import (C, sigaddset, "sigaddset");
-
- function sigdelset (set : access sigset_t; sig : Signal) return int;
- pragma Import (C, sigdelset, "sigdelset");
-
- function sigfillset (set : access sigset_t) return int;
- pragma Import (C, sigfillset, "sigfillset");
-
- function sigismember (set : access sigset_t; sig : Signal) return int;
- pragma Import (C, sigismember, "sigismember");
-
- function sigemptyset (set : access sigset_t) return int;
- pragma Import (C, sigemptyset, "sigemptyset");
-
- type struct_sigaction is record
- sa_flags : int;
- sa_mask : sigset_t;
- sa_handler : System.Address;
- end record;
- pragma Convention (C, struct_sigaction);
- type struct_sigaction_ptr is access all struct_sigaction;
-
- SA_SIGINFO : constant := 16#02#;
-
- SIG_BLOCK : constant := 1;
- SIG_UNBLOCK : constant := 2;
- SIG_SETMASK : constant := 3;
-
- SIG_DFL : constant := 0;
- SIG_IGN : constant := 1;
-
- function sigaction
- (sig : Signal;
- act : struct_sigaction_ptr;
- oact : struct_sigaction_ptr) return int;
- pragma Import (C, sigaction, "sigaction");
-
- ----------
- -- Time --
- ----------
-
- Time_Slice_Supported : constant Boolean := True;
- -- Indicates wether time slicing is supported (i.e SCHED_RR is supported)
-
- type timespec is private;
-
- type clockid_t is private;
-
- CLOCK_REALTIME : constant clockid_t;
-
- function clock_gettime
- (clock_id : clockid_t;
- tp : access timespec) return int;
- pragma Import (C, clock_gettime, "clock_gettime");
-
- function To_Duration (TS : timespec) return Duration;
- pragma Inline (To_Duration);
-
- function To_Timespec (D : Duration) return timespec;
- pragma Inline (To_Timespec);
-
- type struct_timeval is private;
-
- function To_Duration (TV : struct_timeval) return Duration;
- pragma Inline (To_Duration);
-
- function To_Timeval (D : Duration) return struct_timeval;
- pragma Inline (To_Timeval);
-
- -------------------------
- -- Priority Scheduling --
- -------------------------
-
- SCHED_FIFO : constant := 1;
- SCHED_RR : constant := 2;
- SCHED_OTHER : constant := 0;
-
- -------------
- -- Process --
- -------------
-
- type pid_t is private;
-
- function kill (pid : pid_t; sig : Signal) return int;
- pragma Import (C, kill, "kill");
-
- function getpid return pid_t;
- pragma Import (C, getpid, "getpid");
-
- ---------
- -- LWP --
- ---------
-
- function lwp_self return System.Address;
- -- lwp_self does not exist on this thread library, revert to pthread_self
- -- which is the closest approximation (with getpid). This function is
- -- needed to share 7staprop.adb across POSIX-like targets.
- pragma Import (C, lwp_self, "pthread_self");
-
- -------------
- -- Threads --
- -------------
-
- type Thread_Body is access
- function (arg : System.Address) return System.Address;
-
- type pthread_t is private;
- subtype Thread_Id is pthread_t;
-
- type pthread_mutex_t is limited private;
- type pthread_cond_t is limited private;
- type pthread_attr_t is limited private;
- type pthread_mutexattr_t is limited private;
- type pthread_condattr_t is limited private;
- type pthread_key_t is private;
-
- No_Key : constant pthread_key_t;
-
- PTHREAD_CREATE_DETACHED : constant := 0;
-
- -----------
- -- Stack --
- -----------
-
- Stack_Base_Available : constant Boolean := False;
- -- Indicates wether the stack base is available on this target.
- -- This allows us to share s-osinte.adb between all the FSU/RTEMS
- -- run time.
- -- Note that this value can only be true if pthread_t has a complete
- -- definition that corresponds exactly to the C header files.
-
- function Get_Stack_Base (thread : pthread_t) return Address;
- pragma Inline (Get_Stack_Base);
- -- returns the stack base of the specified thread.
- -- Only call this function when Stack_Base_Available is True.
-
- -- These two functions are only needed to share s-taprop.adb with
- -- FSU threads.
-
- function Get_Page_Size return size_t;
- function Get_Page_Size return Address;
- -- returns the size of a page, or 0 if this is not relevant on this
- -- target (which is the case for RTEMS)
-
- PROT_ON : constant := 0;
- PROT_OFF : constant := 0;
-
- function mprotect (addr : Address; len : size_t; prot : int) return int;
- pragma Import (C, mprotect);
-
- -----------------------------------------
- -- Nonstandard Thread Initialization --
- -----------------------------------------
-
- procedure pthread_init;
- -- FSU_THREADS requires pthread_init, which is nonstandard
- -- and this should be invoked during the elaboration of s-taprop.adb
- --
- -- RTEMS does not require this so we provide an empty Ada body.
-
- -------------------------
- -- POSIX.1c Section 3 --
- -------------------------
-
- function sigwait
- (set : access sigset_t;
- sig : access Signal) return int;
- pragma Import (C, sigwait, "sigwait");
-
- function pthread_kill
- (thread : pthread_t;
- sig : Signal) return int;
- pragma Import (C, pthread_kill, "pthread_kill");
-
- type sigset_t_ptr is access all sigset_t;
-
- function pthread_sigmask
- (how : int;
- set : sigset_t_ptr;
- oset : sigset_t_ptr) return int;
- pragma Import (C, pthread_sigmask, "pthread_sigmask");
-
- ----------------------------
- -- POSIX.1c Section 11 --
- ----------------------------
-
- function pthread_mutexattr_init
- (attr : access pthread_mutexattr_t) return int;
- pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
-
- function pthread_mutexattr_destroy
- (attr : access pthread_mutexattr_t) return int;
- pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
-
- function pthread_mutex_init
- (mutex : access pthread_mutex_t;
- attr : access pthread_mutexattr_t) return int;
- pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
-
- function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
- pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
-
- function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
- pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
-
- function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
- pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
-
- function pthread_condattr_init
- (attr : access pthread_condattr_t) return int;
- pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
-
- function pthread_condattr_destroy
- (attr : access pthread_condattr_t) return int;
- pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
-
- function pthread_cond_init
- (cond : access pthread_cond_t;
- attr : access pthread_condattr_t) return int;
- pragma Import (C, pthread_cond_init, "pthread_cond_init");
-
- function pthread_cond_destroy (cond : access pthread_cond_t) return int;
- pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
-
- function pthread_cond_signal (cond : access pthread_cond_t) return int;
- pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
-
- function pthread_cond_wait
- (cond : access pthread_cond_t;
- mutex : access pthread_mutex_t) return int;
- pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
-
- function pthread_cond_timedwait
- (cond : access pthread_cond_t;
- mutex : access pthread_mutex_t;
- abstime : access timespec) return int;
- pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
-
- Relative_Timed_Wait : constant Boolean := False;
- -- pthread_cond_timedwait requires an absolute delay time
-
- --------------------------
- -- POSIX.1c Section 13 --
- --------------------------
-
- PTHREAD_PRIO_NONE : constant := 0;
- PTHREAD_PRIO_PROTECT : constant := 2;
- PTHREAD_PRIO_INHERIT : constant := 1;
-
- function pthread_mutexattr_setprotocol
- (attr : access pthread_mutexattr_t;
- protocol : int) return int;
- pragma Import (C, pthread_mutexattr_setprotocol);
-
- function pthread_mutexattr_setprioceiling
- (attr : access pthread_mutexattr_t;
- prioceiling : int) return int;
- pragma Import
- (C, pthread_mutexattr_setprioceiling,
- "pthread_mutexattr_setprioceiling");
-
- type struct_sched_param is record
- sched_priority : int;
- ss_low_priority : timespec;
- ss_replenish_period : timespec;
- ss_initial_budget : timespec;
- end record;
- pragma Convention (C, struct_sched_param);
-
- function pthread_setschedparam
- (thread : pthread_t;
- policy : int;
- param : access struct_sched_param) return int;
- pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
-
- function pthread_attr_setscope
- (attr : access pthread_attr_t;
- contentionscope : int) return int;
- pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
-
- function pthread_attr_setinheritsched
- (attr : access pthread_attr_t;
- inheritsched : int) return int;
- pragma Import (C, pthread_attr_setinheritsched);
-
- function pthread_attr_setschedpolicy
- (attr : access pthread_attr_t;
- policy : int) return int;
- pragma Import (C, pthread_attr_setschedpolicy);
-
- function pthread_attr_setschedparam
- (attr : access pthread_attr_t;
- sched_param : int) return int;
- pragma Import (C, pthread_attr_setschedparam);
-
- function sched_yield return int;
- pragma Import (C, sched_yield, "sched_yield");
-
- ---------------------------
- -- P1003.1c - Section 16 --
- ---------------------------
-
- function pthread_attr_init (attributes : access pthread_attr_t) return int;
- pragma Import (C, pthread_attr_init, "pthread_attr_init");
-
- function pthread_attr_destroy
- (attributes : access pthread_attr_t) return int;
- pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
-
- function pthread_attr_setdetachstate
- (attr : access pthread_attr_t;
- detachstate : int) return int;
- pragma Import (C, pthread_attr_setdetachstate);
-
- function pthread_attr_setstacksize
- (attr : access pthread_attr_t;
- stacksize : size_t) return int;
- pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
-
- function pthread_create
- (thread : access pthread_t;
- attributes : access pthread_attr_t;
- start_routine : Thread_Body;
- arg : System.Address) return int;
- pragma Import (C, pthread_create, "pthread_create");
-
- procedure pthread_exit (status : System.Address);
- pragma Import (C, pthread_exit, "pthread_exit");
-
- function pthread_self return pthread_t;
- pragma Import (C, pthread_self, "pthread_self");
-
- --------------------------
- -- POSIX.1c Section 17 --
- --------------------------
-
- function pthread_setspecific
- (key : pthread_key_t;
- value : System.Address) return int;
- pragma Import (C, pthread_setspecific, "pthread_setspecific");
-
- function pthread_getspecific (key : pthread_key_t) return System.Address;
- pragma Import (C, pthread_getspecific, "pthread_getspecific");
-
- type destructor_pointer is access procedure (arg : System.Address);
-
- function pthread_key_create
- (key : access pthread_key_t;
- destructor : destructor_pointer) return int;
- pragma Import (C, pthread_key_create, "pthread_key_create");
-
-private
-
- type sigset_t is new int;
-
- type pid_t is new int;
-
- type time_t is new long;
-
- type timespec is record
- tv_sec : time_t;
- tv_nsec : long;
- end record;
- pragma Convention (C, timespec);
-
- type clockid_t is new rtems_id;
- CLOCK_REALTIME : constant clockid_t := 1;
-
- type struct_timeval is record
- tv_sec : int;
- tv_usec : int;
- end record;
- pragma Convention (C, struct_timeval);
-
- type pthread_attr_t is record
- is_initialized : int;
- stackaddr : System.Address;
- stacksize : int;
- contentionscope : int;
- inheritsched : int;
- schedpolicy : int;
- schedparam : struct_sched_param;
- cputime_clocked_allowed : int;
- deatchstate : int;
- end record;
- pragma Convention (C, pthread_attr_t);
-
- type pthread_condattr_t is record
- flags : int;
- end record;
- pragma Convention (C, pthread_condattr_t);
-
- type pthread_mutexattr_t is record
- is_initialized : int;
- process_shared : int;
- prio_ceiling : int;
- protocol : int;
- recursive : int;
- end record;
- pragma Convention (C, pthread_mutexattr_t);
-
- type pthread_t is new rtems_id;
-
- type pthread_mutex_t is new rtems_id;
-
- type pthread_cond_t is new rtems_id;
-
- type pthread_key_t is new rtems_id;
-
- No_Key : constant pthread_key_t := 0;
-
-end System.OS_Interface;
+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y S T E M . P A R A M E T E R S --
--- --
--- B o d y --
--- --
--- Copyright (C) 1997-1998 Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This is the RTEMS specific version
-
-with Interfaces.C;
-
-package body System.Parameters is
-
- function ada_pthread_minimum_stack_size return Interfaces.C.size_t;
- pragma Import (C, ada_pthread_minimum_stack_size,
- "_ada_pthread_minimum_stack_size");
-
- ------------------------
- -- Default_Stack_Size --
- ------------------------
-
- function Default_Stack_Size return Size_Type is
- begin
- return Size_Type (ada_pthread_minimum_stack_size);
- end Default_Stack_Size;
-
- ------------------------
- -- Minimum_Stack_Size --
- ------------------------
-
- function Minimum_Stack_Size return Size_Type is
-
- begin
- return Size_Type (ada_pthread_minimum_stack_size);
- end Minimum_Stack_Size;
-
- -------------------------
- -- Adjust_Storage_Size --
- -------------------------
-
- function Adjust_Storage_Size (Size : Size_Type) return Size_Type is
- begin
- if Size = Unspecified_Size then
- return Default_Stack_Size;
-
- elsif Size < Minimum_Stack_Size then
- return Minimum_Stack_Size;
-
- else
- return Size;
- end if;
- end Adjust_Storage_Size;
-
-end System.Parameters;
+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- S Y S T E M . T A S K _ P R I M I T I V E S . O P E R A T I O N S . --
--- S P E C I F I C --
--- --
--- B o d y --
--- --
--- $Revision: 1.2 $
--- --
--- Copyright (C) 1991-2003, Florida State University --
--- --
--- GNARL is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. It is --
--- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
--- State University (http://www.gnat.com). --
--- --
-------------------------------------------------------------------------------
-
--- This is a RTEMS version of this package which uses a special
--- variable for Ada self which is contexted switch implicitly by RTEMS.
---
--- This is the same as the POSIX version except that an RTEMS variable
--- is used instead of a POSIX key.
-
-separate (System.Task_Primitives.Operations)
-package body Specific is
-
- -- The following gives the Ada run-time direct access to a variable
- -- context switched by RTEMS at the lowest level.
-
- RTEMS_Ada_Self : System.Address;
- pragma Import (C, RTEMS_Ada_Self, "rtems_ada_self");
-
- ----------------
- -- Initialize --
- ----------------
-
- procedure Initialize (Environment_Task : Task_Id) is
- pragma Warnings (Off, Environment_Task);
-
- begin
- ATCB_Key := No_Key;
- RTEMS_Ada_Self := To_Address (Environment_Task);
- end Initialize;
-
- -------------------
- -- Is_Valid_Task --
- -------------------
-
- function Is_Valid_Task return Boolean is
- begin
- return RTEMS_Ada_Self /= System.Null_Address;
- end Is_Valid_Task;
-
- ---------
- -- Set --
- ---------
-
- procedure Set (Self_Id : Task_Id) is
- begin
- RTEMS_Ada_Self := To_Address (Self_Id);
- end Set;
-
- ----------
- -- Self --
- ----------
-
- -- To make Ada tasks and C threads interoperate better, we have added some
- -- functionality to Self. Suppose a C main program (with threads) calls an
- -- Ada procedure and the Ada procedure calls the tasking runtime system.
- -- Eventually, a call will be made to self. Since the call is not coming
- -- from an Ada task, there will be no corresponding ATCB.
-
- -- What we do in Self is to catch references that do not come from
- -- recognized Ada tasks, and create an ATCB for the calling thread.
-
- -- The new ATCB will be "detached" from the normal Ada task master
- -- hierarchy, much like the existing implicitly created signal-server
- -- tasks.
-
- function Self return Task_Id is
- Result : System.Address;
-
- begin
- Result := RTEMS_Ada_Self;
-
- -- If the key value is Null, then it is a non-Ada task.
-
- if Result /= System.Null_Address then
- return To_Task_Id (Result);
- else
- return Register_Foreign_Thread;
- end if;
- end Self;
-
-end Specific;
+2005-01-27 Laurent GUERBY <laurent@guerby.net>
+
+ * Makefile.in: Rename GNAT RTEMS specific files.
+ * 5rtpopsp.adb, 4rintnam.ads, 5rosinte.adb,
+ 5rosinte.ads, 5rparame.adb: Replaced by files below.
+ * s-tpopsp-rtems.adb, a-intman-rtems.ads, s-osinte-rtems.adb,
+ s-osinte-rtems.ads, s-parame-rtems.adb: Replace files above.
+
2005-01-27 Joel Sherrill <joel.sherrill@oarcorp.com>
Laurent GUERBY <laurent@guerby.net>
a-intnam.ads<4rintnam.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-intman.adb<s-intman-posix.adb \
- s-osinte.adb<5rosinte.adb \
- s-osinte.ads<5rosinte.ads \
+ s-osinte.adb<s-osinte-rtems.adb \
+ s-osinte.ads<s-osinte-rtems.ads \
s-osprim.adb<s-osprim-posix.adb \
- s-parame.adb<5rparame.adb \
+ s-parame.adb<s-parame-rtems.adb \
s-taprop.adb<s-taprop-posix.adb \
s-taspri.ads<s-taspri-posix.ads \
- s-tpopsp.adb<5rtpopsp.adb
+ s-tpopsp.adb<s-tpopsp-rtems.adb
endif
ifeq ($(strip $(filter-out alpha% dec osf%,$(targ))),)
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- A D A . I N T E R R U P T S . N A M E S --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-2002 Free Software Foundation, Inc. --
+-- --
+-- GNARL is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+-- The GNARL files that were developed for RTEMS are maintained by On-Line --
+-- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
+-- tion with Ada Core Technologies Inc. and Florida State University. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is a RTEMS version of this package
+--
+-- The following signals are reserved by the run time:
+--
+-- SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGTRAP, SIGABRT, SIGINT,
+-- SIGALRM, SIGEMT, SIGKILL
+--
+-- The pragma Unreserve_All_Interrupts affects the following signal(s):
+--
+-- SIGINT: made available for Ada handlers
+
+-- This target-dependent package spec contains names of interrupts
+-- supported by the local system.
+
+with System.OS_Interface;
+-- used for names of interrupts
+
+package Ada.Interrupts.Names is
+
+ -- Beware that the mapping of names to signals may be
+ -- many-to-one. There may be aliases. Also, for all
+ -- signal names that are not supported on the current system
+ -- the value of the corresponding constant will be zero.
+
+ SIGHUP : constant Interrupt_ID :=
+ System.OS_Interface.SIGHUP; -- hangup
+
+ SIGINT : constant Interrupt_ID :=
+ System.OS_Interface.SIGINT; -- interrupt (rubout)
+
+ SIGQUIT : constant Interrupt_ID :=
+ System.OS_Interface.SIGQUIT; -- quit (ASCD FS)
+
+ SIGILL : constant Interrupt_ID :=
+ System.OS_Interface.SIGILL; -- illegal instruction (not reset)
+
+ SIGTRAP : constant Interrupt_ID :=
+ System.OS_Interface.SIGTRAP; -- trace trap (not reset)
+
+ SIGIOT : constant Interrupt_ID :=
+ System.OS_Interface.SIGIOT; -- IOT instruction
+
+ SIGABRT : constant Interrupt_ID := -- used by abort,
+ System.OS_Interface.SIGABRT; -- replace SIGIOT in the future
+
+ SIGEMT : constant Interrupt_ID :=
+ System.OS_Interface.SIGEMT; -- EMT instruction
+
+ SIGFPE : constant Interrupt_ID :=
+ System.OS_Interface.SIGFPE; -- floating point exception
+
+ SIGKILL : constant Interrupt_ID :=
+ System.OS_Interface.SIGKILL; -- kill (cannot be caught or ignored)
+
+ SIGBUS : constant Interrupt_ID :=
+ System.OS_Interface.SIGBUS; -- bus error
+
+ SIGSEGV : constant Interrupt_ID :=
+ System.OS_Interface.SIGSEGV; -- segmentation violation
+
+ SIGSYS : constant Interrupt_ID :=
+ System.OS_Interface.SIGSYS; -- bad argument to system call
+
+ SIGPIPE : constant Interrupt_ID := -- write on a pipe with
+ System.OS_Interface.SIGPIPE; -- no one to read it
+
+ SIGALRM : constant Interrupt_ID :=
+ System.OS_Interface.SIGALRM; -- alarm clock
+
+ SIGTERM : constant Interrupt_ID :=
+ System.OS_Interface.SIGTERM; -- software termination signal from kill
+
+ SIGUSR1 : constant Interrupt_ID :=
+ System.OS_Interface.SIGUSR1; -- user defined signal 1
+
+ SIGUSR2 : constant Interrupt_ID :=
+ System.OS_Interface.SIGUSR2; -- user defined signal 2
+
+end Ada.Interrupts.Names;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . O S _ I N T E R F A C E --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1991-2002 Florida State University --
+-- --
+-- GNARL is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. It is --
+-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
+-- State University (http://www.gnat.com). --
+-- --
+-- The GNARL files that were developed for RTEMS are maintained by On-Line --
+-- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
+-- tion with Ada Core Technologies Inc. and Florida State University. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the RTEMS version of this package
+
+-- This package encapsulates all direct interfaces to OS services
+-- that are needed by children of System.
+
+pragma Polling (Off);
+-- Turn off polling, we do not want ATC polling to take place during
+-- tasking operations. It causes infinite loops and other problems.
+
+with Interfaces.C; use Interfaces.C;
+package body System.OS_Interface is
+
+ -----------------
+ -- To_Duration --
+ -----------------
+
+ function To_Duration (TS : timespec) return Duration is
+ begin
+ return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9;
+ end To_Duration;
+
+ -----------------
+ -- To_Timespec --
+ -----------------
+
+ function To_Timespec (D : Duration) return timespec is
+ S : time_t;
+ F : Duration;
+ begin
+ S := time_t (Long_Long_Integer (D));
+ F := D - Duration (S);
+
+ -- If F has negative value due to round-up, adjust for positive F value
+
+ if F < 0.0 then S := S - 1; F := F + 1.0; end if;
+ return timespec'(tv_sec => S,
+ tv_nsec => long (Long_Long_Integer (F * 10#1#E9)));
+ end To_Timespec;
+
+ function To_Duration (TV : struct_timeval) return Duration is
+ begin
+ return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6;
+ end To_Duration;
+
+ function To_Timeval (D : Duration) return struct_timeval is
+ S : int;
+ F : Duration;
+ begin
+ S := int (Long_Long_Integer (D));
+ F := D - Duration (S);
+
+ -- If F has negative value due to a round-up, adjust for positive F
+ -- value.
+ if F < 0.0 then S := S - 1; F := F + 1.0; end if;
+ return
+ struct_timeval'
+ (tv_sec => S,
+ tv_usec => int (Long_Long_Integer (F * 10#1#E6)));
+ end To_Timeval;
+
+ procedure pthread_init is
+ begin
+ null;
+ end pthread_init;
+
+ function Get_Stack_Base (thread : pthread_t) return Address is
+ pragma Warnings (Off, thread);
+
+ begin
+ return Null_Address;
+ end Get_Stack_Base;
+
+ function Get_Page_Size return size_t is
+ begin
+ return 0;
+ end Get_Page_Size;
+
+ function Get_Page_Size return Address is
+ begin
+ return 0;
+ end Get_Page_Size;
+
+end System.OS_Interface;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . O S _ I N T E R F A C E --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1997-2003 Free Software Foundation, Inc. --
+-- --
+-- GNARL is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+-- The GNARL files that were developed for RTEMS are maintained by On-Line --
+-- Applications Research Corporation (http://www.oarcorp.com) in coopera- --
+-- tion with Ada Core Technologies Inc. and Florida State University. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the RTEMS version of this package
+
+-- These are guesses based on what I think the GNARL team will want to
+-- call the rtems configurations. We use CPU-rtems for the rtems
+-- configurations.
+
+-- This package encapsulates all direct interfaces to OS services
+-- that are needed by children of System.
+
+-- PLEASE DO NOT add any with-clauses to this package
+-- or remove the pragma Elaborate_Body.
+-- It is designed to be a bottom-level (leaf) package.
+
+with Interfaces.C;
+package System.OS_Interface is
+ pragma Preelaborate;
+
+ -- This interface assumes that "unsigned" is a 32-bit entity. This
+ -- will correspond to RTEMS object ids.
+
+ subtype rtems_id is Interfaces.C.unsigned;
+
+ subtype int is Interfaces.C.int;
+ subtype short is Interfaces.C.short;
+ subtype long is Interfaces.C.long;
+ subtype unsigned is Interfaces.C.unsigned;
+ subtype unsigned_short is Interfaces.C.unsigned_short;
+ subtype unsigned_long is Interfaces.C.unsigned_long;
+ subtype unsigned_char is Interfaces.C.unsigned_char;
+ subtype plain_char is Interfaces.C.plain_char;
+ subtype size_t is Interfaces.C.size_t;
+
+ -----------
+ -- Errno --
+ -----------
+
+ function errno return int;
+ pragma Import (C, errno, "__get_errno");
+
+ EAGAIN : constant := 11;
+ EINTR : constant := 4;
+ EINVAL : constant := 22;
+ ENOMEM : constant := 12;
+ ETIMEDOUT : constant := 116;
+
+ -------------
+ -- Signals --
+ -------------
+
+ Max_Interrupt : constant := 31;
+ type Signal is new int range 0 .. Max_Interrupt;
+
+ SIGXCPU : constant := 0; -- XCPU
+ SIGHUP : constant := 1; -- hangup
+ SIGINT : constant := 2; -- interrupt (rubout)
+ SIGQUIT : constant := 3; -- quit (ASCD FS)
+ SIGILL : constant := 4; -- illegal instruction (not reset)
+ SIGTRAP : constant := 5; -- trace trap (not reset)
+ SIGIOT : constant := 6; -- IOT instruction
+ SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
+ SIGEMT : constant := 7; -- EMT instruction
+ SIGFPE : constant := 8; -- floating point exception
+ SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
+ SIGBUS : constant := 10; -- bus error
+ SIGSEGV : constant := 11; -- segmentation violation
+ SIGSYS : constant := 12; -- bad argument to system call
+ SIGPIPE : constant := 13; -- write on a pipe with no one to read it
+ SIGALRM : constant := 14; -- alarm clock
+ SIGTERM : constant := 15; -- software termination signal from kill
+ SIGUSR1 : constant := 16; -- user defined signal 1
+ SIGUSR2 : constant := 17; -- user defined signal 2
+
+ SIGADAABORT : constant := SIGABRT;
+
+ type Signal_Set is array (Natural range <>) of Signal;
+
+ Unmasked : constant Signal_Set := (SIGTRAP, SIGALRM, SIGEMT);
+ Reserved : constant Signal_Set := (1 .. 1 => SIGKILL);
+
+ type sigset_t is private;
+
+ function sigaddset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigaddset, "sigaddset");
+
+ function sigdelset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigdelset, "sigdelset");
+
+ function sigfillset (set : access sigset_t) return int;
+ pragma Import (C, sigfillset, "sigfillset");
+
+ function sigismember (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigismember, "sigismember");
+
+ function sigemptyset (set : access sigset_t) return int;
+ pragma Import (C, sigemptyset, "sigemptyset");
+
+ type struct_sigaction is record
+ sa_flags : int;
+ sa_mask : sigset_t;
+ sa_handler : System.Address;
+ end record;
+ pragma Convention (C, struct_sigaction);
+ type struct_sigaction_ptr is access all struct_sigaction;
+
+ SA_SIGINFO : constant := 16#02#;
+
+ SIG_BLOCK : constant := 1;
+ SIG_UNBLOCK : constant := 2;
+ SIG_SETMASK : constant := 3;
+
+ SIG_DFL : constant := 0;
+ SIG_IGN : constant := 1;
+
+ function sigaction
+ (sig : Signal;
+ act : struct_sigaction_ptr;
+ oact : struct_sigaction_ptr) return int;
+ pragma Import (C, sigaction, "sigaction");
+
+ ----------
+ -- Time --
+ ----------
+
+ Time_Slice_Supported : constant Boolean := True;
+ -- Indicates wether time slicing is supported (i.e SCHED_RR is supported)
+
+ type timespec is private;
+
+ type clockid_t is private;
+
+ CLOCK_REALTIME : constant clockid_t;
+
+ function clock_gettime
+ (clock_id : clockid_t;
+ tp : access timespec) return int;
+ pragma Import (C, clock_gettime, "clock_gettime");
+
+ function To_Duration (TS : timespec) return Duration;
+ pragma Inline (To_Duration);
+
+ function To_Timespec (D : Duration) return timespec;
+ pragma Inline (To_Timespec);
+
+ type struct_timeval is private;
+
+ function To_Duration (TV : struct_timeval) return Duration;
+ pragma Inline (To_Duration);
+
+ function To_Timeval (D : Duration) return struct_timeval;
+ pragma Inline (To_Timeval);
+
+ -------------------------
+ -- Priority Scheduling --
+ -------------------------
+
+ SCHED_FIFO : constant := 1;
+ SCHED_RR : constant := 2;
+ SCHED_OTHER : constant := 0;
+
+ -------------
+ -- Process --
+ -------------
+
+ type pid_t is private;
+
+ function kill (pid : pid_t; sig : Signal) return int;
+ pragma Import (C, kill, "kill");
+
+ function getpid return pid_t;
+ pragma Import (C, getpid, "getpid");
+
+ ---------
+ -- LWP --
+ ---------
+
+ function lwp_self return System.Address;
+ -- lwp_self does not exist on this thread library, revert to pthread_self
+ -- which is the closest approximation (with getpid). This function is
+ -- needed to share 7staprop.adb across POSIX-like targets.
+ pragma Import (C, lwp_self, "pthread_self");
+
+ -------------
+ -- Threads --
+ -------------
+
+ type Thread_Body is access
+ function (arg : System.Address) return System.Address;
+
+ type pthread_t is private;
+ subtype Thread_Id is pthread_t;
+
+ type pthread_mutex_t is limited private;
+ type pthread_cond_t is limited private;
+ type pthread_attr_t is limited private;
+ type pthread_mutexattr_t is limited private;
+ type pthread_condattr_t is limited private;
+ type pthread_key_t is private;
+
+ No_Key : constant pthread_key_t;
+
+ PTHREAD_CREATE_DETACHED : constant := 0;
+
+ -----------
+ -- Stack --
+ -----------
+
+ Stack_Base_Available : constant Boolean := False;
+ -- Indicates wether the stack base is available on this target.
+ -- This allows us to share s-osinte.adb between all the FSU/RTEMS
+ -- run time.
+ -- Note that this value can only be true if pthread_t has a complete
+ -- definition that corresponds exactly to the C header files.
+
+ function Get_Stack_Base (thread : pthread_t) return Address;
+ pragma Inline (Get_Stack_Base);
+ -- returns the stack base of the specified thread.
+ -- Only call this function when Stack_Base_Available is True.
+
+ -- These two functions are only needed to share s-taprop.adb with
+ -- FSU threads.
+
+ function Get_Page_Size return size_t;
+ function Get_Page_Size return Address;
+ -- returns the size of a page, or 0 if this is not relevant on this
+ -- target (which is the case for RTEMS)
+
+ PROT_ON : constant := 0;
+ PROT_OFF : constant := 0;
+
+ function mprotect (addr : Address; len : size_t; prot : int) return int;
+ pragma Import (C, mprotect);
+
+ -----------------------------------------
+ -- Nonstandard Thread Initialization --
+ -----------------------------------------
+
+ procedure pthread_init;
+ -- FSU_THREADS requires pthread_init, which is nonstandard
+ -- and this should be invoked during the elaboration of s-taprop.adb
+ --
+ -- RTEMS does not require this so we provide an empty Ada body.
+
+ -------------------------
+ -- POSIX.1c Section 3 --
+ -------------------------
+
+ function sigwait
+ (set : access sigset_t;
+ sig : access Signal) return int;
+ pragma Import (C, sigwait, "sigwait");
+
+ function pthread_kill
+ (thread : pthread_t;
+ sig : Signal) return int;
+ pragma Import (C, pthread_kill, "pthread_kill");
+
+ type sigset_t_ptr is access all sigset_t;
+
+ function pthread_sigmask
+ (how : int;
+ set : sigset_t_ptr;
+ oset : sigset_t_ptr) return int;
+ pragma Import (C, pthread_sigmask, "pthread_sigmask");
+
+ ----------------------------
+ -- POSIX.1c Section 11 --
+ ----------------------------
+
+ function pthread_mutexattr_init
+ (attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
+
+ function pthread_mutexattr_destroy
+ (attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
+
+ function pthread_mutex_init
+ (mutex : access pthread_mutex_t;
+ attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
+
+ function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
+
+ function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
+
+ function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
+
+ function pthread_condattr_init
+ (attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
+
+ function pthread_condattr_destroy
+ (attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
+
+ function pthread_cond_init
+ (cond : access pthread_cond_t;
+ attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_cond_init, "pthread_cond_init");
+
+ function pthread_cond_destroy (cond : access pthread_cond_t) return int;
+ pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
+
+ function pthread_cond_signal (cond : access pthread_cond_t) return int;
+ pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
+
+ function pthread_cond_wait
+ (cond : access pthread_cond_t;
+ mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
+
+ function pthread_cond_timedwait
+ (cond : access pthread_cond_t;
+ mutex : access pthread_mutex_t;
+ abstime : access timespec) return int;
+ pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
+
+ Relative_Timed_Wait : constant Boolean := False;
+ -- pthread_cond_timedwait requires an absolute delay time
+
+ --------------------------
+ -- POSIX.1c Section 13 --
+ --------------------------
+
+ PTHREAD_PRIO_NONE : constant := 0;
+ PTHREAD_PRIO_PROTECT : constant := 2;
+ PTHREAD_PRIO_INHERIT : constant := 1;
+
+ function pthread_mutexattr_setprotocol
+ (attr : access pthread_mutexattr_t;
+ protocol : int) return int;
+ pragma Import (C, pthread_mutexattr_setprotocol);
+
+ function pthread_mutexattr_setprioceiling
+ (attr : access pthread_mutexattr_t;
+ prioceiling : int) return int;
+ pragma Import
+ (C, pthread_mutexattr_setprioceiling,
+ "pthread_mutexattr_setprioceiling");
+
+ type struct_sched_param is record
+ sched_priority : int;
+ ss_low_priority : timespec;
+ ss_replenish_period : timespec;
+ ss_initial_budget : timespec;
+ end record;
+ pragma Convention (C, struct_sched_param);
+
+ function pthread_setschedparam
+ (thread : pthread_t;
+ policy : int;
+ param : access struct_sched_param) return int;
+ pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
+
+ function pthread_attr_setscope
+ (attr : access pthread_attr_t;
+ contentionscope : int) return int;
+ pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
+
+ function pthread_attr_setinheritsched
+ (attr : access pthread_attr_t;
+ inheritsched : int) return int;
+ pragma Import (C, pthread_attr_setinheritsched);
+
+ function pthread_attr_setschedpolicy
+ (attr : access pthread_attr_t;
+ policy : int) return int;
+ pragma Import (C, pthread_attr_setschedpolicy);
+
+ function pthread_attr_setschedparam
+ (attr : access pthread_attr_t;
+ sched_param : int) return int;
+ pragma Import (C, pthread_attr_setschedparam);
+
+ function sched_yield return int;
+ pragma Import (C, sched_yield, "sched_yield");
+
+ ---------------------------
+ -- P1003.1c - Section 16 --
+ ---------------------------
+
+ function pthread_attr_init (attributes : access pthread_attr_t) return int;
+ pragma Import (C, pthread_attr_init, "pthread_attr_init");
+
+ function pthread_attr_destroy
+ (attributes : access pthread_attr_t) return int;
+ pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
+
+ function pthread_attr_setdetachstate
+ (attr : access pthread_attr_t;
+ detachstate : int) return int;
+ pragma Import (C, pthread_attr_setdetachstate);
+
+ function pthread_attr_setstacksize
+ (attr : access pthread_attr_t;
+ stacksize : size_t) return int;
+ pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
+
+ function pthread_create
+ (thread : access pthread_t;
+ attributes : access pthread_attr_t;
+ start_routine : Thread_Body;
+ arg : System.Address) return int;
+ pragma Import (C, pthread_create, "pthread_create");
+
+ procedure pthread_exit (status : System.Address);
+ pragma Import (C, pthread_exit, "pthread_exit");
+
+ function pthread_self return pthread_t;
+ pragma Import (C, pthread_self, "pthread_self");
+
+ --------------------------
+ -- POSIX.1c Section 17 --
+ --------------------------
+
+ function pthread_setspecific
+ (key : pthread_key_t;
+ value : System.Address) return int;
+ pragma Import (C, pthread_setspecific, "pthread_setspecific");
+
+ function pthread_getspecific (key : pthread_key_t) return System.Address;
+ pragma Import (C, pthread_getspecific, "pthread_getspecific");
+
+ type destructor_pointer is access procedure (arg : System.Address);
+
+ function pthread_key_create
+ (key : access pthread_key_t;
+ destructor : destructor_pointer) return int;
+ pragma Import (C, pthread_key_create, "pthread_key_create");
+
+private
+
+ type sigset_t is new int;
+
+ type pid_t is new int;
+
+ type time_t is new long;
+
+ type timespec is record
+ tv_sec : time_t;
+ tv_nsec : long;
+ end record;
+ pragma Convention (C, timespec);
+
+ type clockid_t is new rtems_id;
+ CLOCK_REALTIME : constant clockid_t := 1;
+
+ type struct_timeval is record
+ tv_sec : int;
+ tv_usec : int;
+ end record;
+ pragma Convention (C, struct_timeval);
+
+ type pthread_attr_t is record
+ is_initialized : int;
+ stackaddr : System.Address;
+ stacksize : int;
+ contentionscope : int;
+ inheritsched : int;
+ schedpolicy : int;
+ schedparam : struct_sched_param;
+ cputime_clocked_allowed : int;
+ deatchstate : int;
+ end record;
+ pragma Convention (C, pthread_attr_t);
+
+ type pthread_condattr_t is record
+ flags : int;
+ end record;
+ pragma Convention (C, pthread_condattr_t);
+
+ type pthread_mutexattr_t is record
+ is_initialized : int;
+ process_shared : int;
+ prio_ceiling : int;
+ protocol : int;
+ recursive : int;
+ end record;
+ pragma Convention (C, pthread_mutexattr_t);
+
+ type pthread_t is new rtems_id;
+
+ type pthread_mutex_t is new rtems_id;
+
+ type pthread_cond_t is new rtems_id;
+
+ type pthread_key_t is new rtems_id;
+
+ No_Key : constant pthread_key_t := 0;
+
+end System.OS_Interface;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- S Y S T E M . P A R A M E T E R S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1997-1998 Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the RTEMS specific version
+
+with Interfaces.C;
+
+package body System.Parameters is
+
+ function ada_pthread_minimum_stack_size return Interfaces.C.size_t;
+ pragma Import (C, ada_pthread_minimum_stack_size,
+ "_ada_pthread_minimum_stack_size");
+
+ ------------------------
+ -- Default_Stack_Size --
+ ------------------------
+
+ function Default_Stack_Size return Size_Type is
+ begin
+ return Size_Type (ada_pthread_minimum_stack_size);
+ end Default_Stack_Size;
+
+ ------------------------
+ -- Minimum_Stack_Size --
+ ------------------------
+
+ function Minimum_Stack_Size return Size_Type is
+
+ begin
+ return Size_Type (ada_pthread_minimum_stack_size);
+ end Minimum_Stack_Size;
+
+ -------------------------
+ -- Adjust_Storage_Size --
+ -------------------------
+
+ function Adjust_Storage_Size (Size : Size_Type) return Size_Type is
+ begin
+ if Size = Unspecified_Size then
+ return Default_Stack_Size;
+
+ elsif Size < Minimum_Stack_Size then
+ return Minimum_Stack_Size;
+
+ else
+ return Size;
+ end if;
+ end Adjust_Storage_Size;
+
+end System.Parameters;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . T A S K _ P R I M I T I V E S . O P E R A T I O N S . --
+-- S P E C I F I C --
+-- --
+-- B o d y --
+-- --
+-- $Revision: 1.2 $
+-- --
+-- Copyright (C) 1991-2003, Florida State University --
+-- --
+-- GNARL is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. It is --
+-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
+-- State University (http://www.gnat.com). --
+-- --
+------------------------------------------------------------------------------
+
+-- This is a RTEMS version of this package which uses a special
+-- variable for Ada self which is contexted switch implicitly by RTEMS.
+--
+-- This is the same as the POSIX version except that an RTEMS variable
+-- is used instead of a POSIX key.
+
+separate (System.Task_Primitives.Operations)
+package body Specific is
+
+ -- The following gives the Ada run-time direct access to a variable
+ -- context switched by RTEMS at the lowest level.
+
+ RTEMS_Ada_Self : System.Address;
+ pragma Import (C, RTEMS_Ada_Self, "rtems_ada_self");
+
+ ----------------
+ -- Initialize --
+ ----------------
+
+ procedure Initialize (Environment_Task : Task_Id) is
+ pragma Warnings (Off, Environment_Task);
+
+ begin
+ ATCB_Key := No_Key;
+ RTEMS_Ada_Self := To_Address (Environment_Task);
+ end Initialize;
+
+ -------------------
+ -- Is_Valid_Task --
+ -------------------
+
+ function Is_Valid_Task return Boolean is
+ begin
+ return RTEMS_Ada_Self /= System.Null_Address;
+ end Is_Valid_Task;
+
+ ---------
+ -- Set --
+ ---------
+
+ procedure Set (Self_Id : Task_Id) is
+ begin
+ RTEMS_Ada_Self := To_Address (Self_Id);
+ end Set;
+
+ ----------
+ -- Self --
+ ----------
+
+ -- To make Ada tasks and C threads interoperate better, we have added some
+ -- functionality to Self. Suppose a C main program (with threads) calls an
+ -- Ada procedure and the Ada procedure calls the tasking runtime system.
+ -- Eventually, a call will be made to self. Since the call is not coming
+ -- from an Ada task, there will be no corresponding ATCB.
+
+ -- What we do in Self is to catch references that do not come from
+ -- recognized Ada tasks, and create an ATCB for the calling thread.
+
+ -- The new ATCB will be "detached" from the normal Ada task master
+ -- hierarchy, much like the existing implicitly created signal-server
+ -- tasks.
+
+ function Self return Task_Id is
+ Result : System.Address;
+
+ begin
+ Result := RTEMS_Ada_Self;
+
+ -- If the key value is Null, then it is a non-Ada task.
+
+ if Result /= System.Null_Address then
+ return To_Task_Id (Result);
+ else
+ return Register_Foreign_Thread;
+ end if;
+ end Self;
+
+end Specific;
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