--- /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) 1991-2004 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the Darwin version of this package.
+--
+-- The following signals are reserved by the run time:
+--
+-- SIGSTOP, SIGKILL
+--
+-- The pragma Unreserve_All_Interrupts affects the following signal(s):
+--
+-- SIGINT: made available for Ada handler
+
+-- 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
+
+ SIGURG : constant Interrupt_ID :=
+ System.OS_Interface.SIGURG; -- urgent condition on IO channel
+
+ SIGSTOP : constant Interrupt_ID :=
+ System.OS_Interface.SIGSTOP; -- stop (cannot be caught or ignored)
+
+ SIGTSTP : constant Interrupt_ID :=
+ System.OS_Interface.SIGTSTP; -- user stop requested from tty
+
+ SIGCONT : constant Interrupt_ID :=
+ System.OS_Interface.SIGCONT; -- stopped process has been continued
+
+ SIGCHLD : constant Interrupt_ID :=
+ System.OS_Interface.SIGCHLD; -- 4.3BSD's/POSIX name for SIGCLD
+
+ SIGTTIN : constant Interrupt_ID :=
+ System.OS_Interface.SIGTTIN; -- background tty read attempted
+
+ SIGTTOU : constant Interrupt_ID :=
+ System.OS_Interface.SIGTTOU; -- background tty write attempted
+
+ SIGIO : constant Interrupt_ID := -- input/output possible,
+ System.OS_Interface.SIGIO; -- SIGPOLL alias (Solaris)
+
+ SIGXCPU : constant Interrupt_ID :=
+ System.OS_Interface.SIGXCPU; -- CPU time limit exceeded
+
+ SIGXFSZ : constant Interrupt_ID :=
+ System.OS_Interface.SIGXFSZ; -- filesize limit exceeded
+
+ SIGVTALRM : constant Interrupt_ID :=
+ System.OS_Interface.SIGVTALRM; -- virtual timer expired
+
+ SIGPROF : constant Interrupt_ID :=
+ System.OS_Interface.SIGPROF; -- profiling timer expired
+
+ SIGWINCH : constant Interrupt_ID :=
+ System.OS_Interface.SIGWINCH; -- window size change
+
+ SIGINFO : constant Interrupt_ID :=
+ System.OS_Interface.SIGINFO; -- information request
+
+ 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 --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-1994, Florida State University --
+-- Copyright (C) 1995-2004, 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is Darwin pthreads version of this package.
+
+-- This package includes 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;
+
+ 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");
+
+ EINTR : constant := 4;
+ ENOMEM : constant := 12;
+ EINVAL : constant := 22;
+ EAGAIN : constant := 35;
+ ETIMEDOUT : constant := 60;
+
+ -------------
+ -- Signals --
+ -------------
+
+ Max_Interrupt : constant := 31;
+ type Signal is new int range 0 .. Max_Interrupt;
+ for Signal'Size use int'Size;
+
+ 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
+ SIGURG : constant := 16; -- urgent condition on IO channel
+ SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
+ SIGTSTP : constant := 18; -- user stop requested from tty
+ SIGCONT : constant := 19; -- stopped process has been continued
+ SIGCHLD : constant := 20; -- child status change
+ SIGTTIN : constant := 21; -- background tty read attempted
+ SIGTTOU : constant := 22; -- background tty write attempted
+ SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias)
+ SIGXCPU : constant := 24; -- CPU time limit exceeded
+ SIGXFSZ : constant := 25; -- filesize limit exceeded
+ SIGVTALRM : constant := 26; -- virtual timer expired
+ SIGPROF : constant := 27; -- profiling timer expired
+ SIGWINCH : constant := 28; -- window size change
+ SIGINFO : constant := 29; -- information request
+ SIGUSR1 : constant := 30; -- user defined signal 1
+ SIGUSR2 : constant := 31; -- user defined signal 2
+
+ SIGADAABORT : constant := SIGABRT;
+ -- Change this if you want to use another signal for task abort.
+ -- SIGTERM might be a good one.
+
+ type Signal_Set is array (Natural range <>) of Signal;
+
+ Unmasked : constant Signal_Set :=
+ (SIGTTIN, SIGTTOU, SIGSTOP, SIGTSTP);
+
+ Reserved : constant Signal_Set :=
+ (SIGKILL, SIGSTOP);
+
+ 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 siginfo_t is private;
+ type ucontext_t is private;
+
+ type Signal_Handler is access procedure
+ (signo : Signal;
+ info : access siginfo_t;
+ context : access ucontext_t);
+
+ type struct_sigaction is record
+ sa_handler : System.Address;
+ sa_mask : sigset_t;
+ sa_flags : int;
+ end record;
+ pragma Convention (C, struct_sigaction);
+ type struct_sigaction_ptr is access all struct_sigaction;
+
+ SIG_BLOCK : constant := 1;
+ SIG_UNBLOCK : constant := 2;
+ SIG_SETMASK : constant := 3;
+
+ SIG_DFL : constant := 0;
+ SIG_IGN : constant := 1;
+
+ SA_SIGINFO : constant := 16#0040#;
+
+ 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.
+
+ 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;
+
+ 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_OTHER : constant := 1;
+ SCHED_RR : constant := 2;
+ SCHED_FIFO : constant := 4;
+
+ -------------
+ -- 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;
+
+ type pthread_mutex_ptr is access all pthread_mutex_t;
+ type pthread_cond_ptr is access all pthread_cond_t;
+
+ PTHREAD_CREATE_DETACHED : constant := 2;
+
+ -----------
+ -- 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 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 System.Address;
+ pragma Inline (Get_Stack_Base);
+ -- returns the stack base of the specified thread.
+ -- Only call this function when Stack_Base_Available is True.
+
+ function Get_Page_Size return size_t;
+ function Get_Page_Size return System.Address;
+ pragma Import (C, Get_Page_Size, "getpagesize");
+ -- returns the size of a page, or 0 if this is not relevant on this
+ -- target
+
+ PROT_NONE : constant := 0;
+ PROT_READ : constant := 1;
+ PROT_WRITE : constant := 2;
+ PROT_EXEC : constant := 4;
+ PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
+
+ PROT_ON : constant := PROT_NONE;
+ PROT_OFF : constant := PROT_ALL;
+
+ function mprotect (addr : System.Address;
+ len : size_t;
+ prot : int) return int;
+ pragma Import (C, mprotect);
+
+ ---------------------------------------
+ -- Nonstandard Thread Initialization --
+ ---------------------------------------
+
+ procedure pthread_init;
+
+ -------------------------
+ -- 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, "sigprocmask");
+
+ --------------------------
+ -- 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_INHERIT : constant := 1;
+ PTHREAD_PRIO_PROTECT : constant := 2;
+
+ function pthread_mutexattr_setprotocol
+ (attr : access pthread_mutexattr_t;
+ protocol : int) return int;
+ pragma Import
+ (C, pthread_mutexattr_setprotocol, "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; -- scheduling priority
+ end record;
+
+ 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, "pthread_attr_setinheritsched");
+
+ function pthread_attr_setschedpolicy
+ (attr : access pthread_attr_t;
+ policy : int) return int;
+ pragma Import (C, pthread_attr_setschedpolicy, "pthread_attr_setsched");
+
+ function sched_yield return int;
+
+ ---------------------------
+ -- 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, "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 array_type_1 is array (Integer range 0 .. 3) of unsigned_long;
+ type sigset_t is record
+ X_X_sigbits : array_type_1;
+ end record;
+ pragma Convention (C, sigset_t);
+
+ type pid_t is new long;
+
+ 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 int;
+ CLOCK_REALTIME : constant clockid_t := 0;
+
+ type struct_timeval is record
+ tv_sec : long;
+ tv_usec : long;
+ end record;
+ pragma Convention (C, struct_timeval);
+
+ --
+ -- Darwin specific signal implementation
+ --
+ type Pad_Type is array (0 .. 7) of int;
+ type siginfo_t is record
+ si_signo : int; -- signal number
+ si_errno : int; -- errno association
+ si_code : int; -- signal code
+ si_pid : int; -- sending process
+ si_uid : unsigned; -- sender's ruid
+ si_status : int; -- exit value
+ si_addr : System.Address; -- faulting instruction
+ si_value : System.Address; -- signal value
+ si_band : long; -- band event for SIGPOLL
+ pad : Pad_Type; -- RFU
+ end record;
+ pragma Convention (C, siginfo_t);
+
+ type stack_t is record
+ ss_sp : System.Address;
+ ss_size : int;
+ ss_flags : int;
+ end record;
+ pragma Convention (C, stack_t);
+
+ type mcontext_t is new System.Address;
+
+ type ucontext_t is record
+ uc_onstack : int;
+ uc_sigmask : sigset_t; -- Signal Mask Used By This Context
+ uc_stack : stack_t; -- Stack Used By This Context
+ uc_link : System.Address; -- Pointer To Resuming Context
+ uc_mcsize : size_t; -- Size of The Machine Context
+ uc_mcontext : mcontext_t; -- Machine Specific Context
+ end record;
+ pragma Convention (C, ucontext_t);
+
+ --
+ -- Darwin specific pthread implementation
+ --
+ type pthread_t is new System.Address;
+
+ type pthread_lock_t is new long;
+
+ type sched_param_pad is array (0 .. 3) of plain_char;
+ type sched_param is record
+ sched_priority : int;
+ opaque : sched_param_pad;
+ end record;
+ pragma Convention (C, sched_param);
+ type boolean_t is new int;
+
+ type pthread_attr_t is record
+ sig : long;
+ lock : pthread_lock_t;
+ detached : int;
+ inherit : int;
+ policy : int;
+ param : sched_param;
+ stackaddr : System.Address;
+ stacksize : long;
+ freeStackOnExit : boolean_t;
+ end record;
+ pragma Convention (C, pthread_attr_t);
+
+ type pthread_mutexattr_t is record
+ sig : long;
+ prioceiling : int;
+ protocol : int;
+ end record;
+ pragma Convention (C, pthread_mutexattr_t);
+
+ type mach_port_t is new unsigned_long;
+
+ type pthread_mutex_t is record
+ sig : long;
+ lock : pthread_lock_t;
+ prioceiling : int;
+ priority : int;
+ protocol : int;
+ owner : pthread_t;
+ next : pthread_mutex_ptr;
+ prev : pthread_mutex_ptr;
+ busy : pthread_cond_ptr;
+ field : int;
+ sem : mach_port_t;
+ end record;
+ pragma Convention (C, pthread_mutex_t);
+
+ type pthread_condattr_t is record
+ sig : long;
+ unsupported : int;
+ end record;
+ pragma Convention (C, pthread_condattr_t);
+
+ type pthread_cond_t is record
+ sig : long;
+ lock : pthread_lock_t;
+ sem : mach_port_t;
+ next : pthread_cond_ptr;
+ prev : pthread_cond_ptr;
+ busy : pthread_mutex_ptr;
+ waiters : short;
+ sigspending : short;
+ end record;
+ pragma Convention (C, pthread_cond_t);
+
+ type pthread_once_t is record
+ sig : long;
+ lock : pthread_lock_t;
+ end record;
+ pragma Convention (C, pthread_once_t);
+
+ type rwlockattr_rfu_array is array (0 .. 1) of int;
+
+ type pthread_rwlockattr_t is record
+ sig : long;
+ pshared : int;
+ rfu : rwlockattr_rfu_array;
+ end record;
+ pragma Convention (C, pthread_rwlockattr_t);
+
+ type rwlock_rfu_array is array (0 .. 2) of int;
+
+ type pthread_rwlock_t is record
+ sig : long;
+ lock : pthread_mutex_t;
+ state : int;
+ read_signal : pthread_cond_t;
+ write_signal : pthread_cond_t;
+ block_writers : int;
+ pshared : int;
+ rfu : rwlock_rfu_array;
+ end record;
+ pragma Convention (C, pthread_rwlock_t);
+
+ type pthread_key_t is new unsigned_long;
+
+end System.OS_Interface;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M --
+-- --
+-- S p e c --
+-- (Darwin/PPC Version) --
+-- --
+-- Copyright (C) 1992-2004 Free Software Foundation, Inc. --
+-- --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the contents of the part following the private keyword. --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+package System is
+pragma Pure (System);
+-- Note that we take advantage of the implementation permission to
+-- make this unit Pure instead of Preelaborable, see RM 13.7(36)
+
+ type Name is (SYSTEM_NAME_GNAT);
+ System_Name : constant Name := SYSTEM_NAME_GNAT;
+
+ -- System-Dependent Named Numbers
+
+ Min_Int : constant := Long_Long_Integer'First;
+ Max_Int : constant := Long_Long_Integer'Last;
+
+ Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
+ Max_Nonbinary_Modulus : constant := Integer'Last;
+
+ Max_Base_Digits : constant := Long_Long_Float'Digits;
+ Max_Digits : constant := Long_Long_Float'Digits;
+
+ Max_Mantissa : constant := 63;
+ Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
+
+ Tick : constant := 0.01;
+
+ -- Storage-related Declarations
+
+ type Address is private;
+ Null_Address : constant Address;
+
+ Storage_Unit : constant := 8;
+ Word_Size : constant := 32;
+ Memory_Size : constant := 2 ** 32;
+
+ -- Address comparison
+
+ function "<" (Left, Right : Address) return Boolean;
+ function "<=" (Left, Right : Address) return Boolean;
+ function ">" (Left, Right : Address) return Boolean;
+ function ">=" (Left, Right : Address) return Boolean;
+ function "=" (Left, Right : Address) return Boolean;
+
+ pragma Import (Intrinsic, "<");
+ pragma Import (Intrinsic, "<=");
+ pragma Import (Intrinsic, ">");
+ pragma Import (Intrinsic, ">=");
+ pragma Import (Intrinsic, "=");
+
+ -- Other System-Dependent Declarations
+
+ type Bit_Order is (High_Order_First, Low_Order_First);
+ Default_Bit_Order : constant Bit_Order := High_Order_First;
+
+ -- Priority-related Declarations (RM D.1)
+
+ -- The values defined here are derived from the following Darwin
+ -- sources:
+ --
+ -- Libc/pthreads/pthread.c
+ -- pthread_init calls host_info to retrieve the HOST_PRIORITY_INFO.
+ -- This file includes "pthread_internals".
+ -- Libc/pthreads/pthread_internals.h
+ -- This file includes <mach/mach.h>.
+ -- xnu/osfmk/mach/mach.h
+ -- This file includes <mach/mach_types.h>.
+ -- xnu/osfmk/mach/mach_types.h
+ -- This file includes <mach/host_info.h>.
+ -- xnu/osfmk/mach/host_info.h
+ -- This file contains the definition of the host_info_t data structure
+ -- and the function prototype for host_info.
+ -- xnu/osfmk/kern/host.c
+ -- This file defines the function host_info which sets the
+ -- priority_info field of struct host_info_t. This file includes
+ -- <kern/processor.h>.
+ -- xnu/osfmk/kern/processor.h
+ -- This file includes <kern/sched.h>.
+ -- xnu/osfmk/kern/sched.h
+ -- This file defines the values for each level of priority.
+
+ Max_Interrupt_Priority : constant Positive := 63;
+ Max_Priority : constant Positive := Max_Interrupt_Priority - 1;
+
+ subtype Any_Priority is Integer range 0 .. Max_Interrupt_Priority;
+ subtype Priority is Any_Priority range 0 .. Max_Priority;
+ subtype Interrupt_Priority is Any_Priority
+ range Priority'Last + 1 .. Max_Interrupt_Priority;
+
+ Default_Priority : constant Priority :=
+ (Priority'Last - Priority'First) / 2;
+
+private
+
+ type Address is mod Memory_Size;
+ Null_Address : constant Address := 0;
+
+ --------------------------------------
+ -- System Implementation Parameters --
+ --------------------------------------
+
+ -- These parameters provide information about the target that is used
+ -- by the compiler. They are in the private part of System, where they
+ -- can be accessed using the special circuitry in the Targparm unit
+ -- whose source should be consulted for more detailed descriptions
+ -- of the individual switch values.
+
+ AAMP : constant Boolean := False;
+ Backend_Divide_Checks : constant Boolean := False;
+ Backend_Overflow_Checks : constant Boolean := False;
+ Command_Line_Args : constant Boolean := True;
+ Configurable_Run_Time : constant Boolean := False;
+ Denorm : constant Boolean := True;
+ Duration_32_Bits : constant Boolean := False;
+ Exit_Status_Supported : constant Boolean := True;
+ Fractional_Fixed_Ops : constant Boolean := False;
+ Frontend_Layout : constant Boolean := False;
+ Functions_Return_By_DSP : constant Boolean := False;
+ Machine_Overflows : constant Boolean := False;
+ Machine_Rounds : constant Boolean := True;
+ OpenVMS : constant Boolean := False;
+ Signed_Zeros : constant Boolean := True;
+ Stack_Check_Default : constant Boolean := False;
+ Stack_Check_Probes : constant Boolean := False;
+ Support_64_Bit_Divides : constant Boolean := True;
+ Support_Aggregates : constant Boolean := True;
+ Support_Composite_Assign : constant Boolean := True;
+ Support_Composite_Compare : constant Boolean := True;
+ Support_Long_Shifts : constant Boolean := True;
+ Suppress_Standard_Library : constant Boolean := False;
+ Use_Ada_Main_Program_Name : constant Boolean := False;
+ ZCX_By_Default : constant Boolean := False;
+ GCC_ZCX_Support : constant Boolean := False;
+ Front_End_ZCX_Support : constant Boolean := False;
+
+ -- Obsolete entries, to be removed eventually (bootstrap issues!)
+
+ -- High_Integrity_Mode : constant Boolean := False;
+ -- Long_Shifts_Inlined : constant Boolean := True;
+
+end System;