--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT 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) 1991-2015, 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 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the DragonFly BSD THREADS version of this package
+
+with System.OS_Interface;
+
+package Ada.Interrupts.Names is
+
+ -- All identifiers in this unit are implementation defined
+
+ pragma Implementation_Defined;
+
+ -- 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
+
+ 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
+
+ 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
+
+ SIGCLD : constant Interrupt_ID :=
+ System.OS_Interface.SIGCLD; -- child status change
+
+ 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
+
+ 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
+------------------------------------------------------------------------------
+-- --
+-- GNAT 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) 1995-2015, 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 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- 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 the DragonFly BSD PTHREADS version of this package
+
+-- This package encapsulates all direct interfaces to OS services
+-- that are needed by the tasking run-time (libgnarl).
+
+-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
+-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
+
+with Ada.Unchecked_Conversion;
+
+with Interfaces.C;
+
+package System.OS_Interface is
+ pragma Preelaborate;
+
+ pragma Linker_Options ("-pthread");
+
+ 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 Inline (Errno);
+
+ EAGAIN : constant := 35;
+ EINTR : constant := 4;
+ EINVAL : constant := 22;
+ ENOMEM : constant := 12;
+ 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
+ SIGCLD : constant := 20; -- alias for SIGCHLD
+ 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 (BSD)
+ 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;
+
+ -- Interrupts that must be unmasked at all times. DragonFlyBSD
+ -- pthreads will not allow an application to mask out any
+ -- interrupt needed by the threads library.
+ Unmasked : constant Signal_Set :=
+ (SIGTRAP, SIGBUS, SIGTTIN, SIGTTOU, SIGTSTP);
+
+ -- DragonFlyBSD will uses SIGPROF for timing. Do not allow a
+ -- handler to attach to this signal.
+ Reserved : constant Signal_Set := (0 .. 0 => SIGPROF);
+
+ 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");
+
+ -- sigcontext is architecture dependent, so define it private
+ type struct_sigcontext is private;
+
+ type old_struct_sigaction is record
+ sa_handler : System.Address;
+ sa_mask : sigset_t;
+ sa_flags : int;
+ end record;
+ pragma Convention (C, old_struct_sigaction);
+
+ type new_struct_sigaction is record
+ sa_handler : System.Address;
+ sa_flags : int;
+ sa_mask : sigset_t;
+ end record;
+ pragma Convention (C, new_struct_sigaction);
+
+ subtype struct_sigaction is new_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#;
+ SA_ONSTACK : constant := 16#0001#;
+
+ 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 whether time slicing is supported (i.e SCHED_RR is supported)
+
+ type timespec is private;
+
+ function nanosleep (rqtp, rmtp : access timespec) return int;
+ pragma Import (C, nanosleep, "nanosleep");
+
+ type clockid_t is new unsigned_long;
+
+ function clock_getres
+ (clock_id : clockid_t;
+ res : access timespec) return int;
+ pragma Import (C, clock_getres, "clock_getres");
+
+ 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_timezone is record
+ tz_minuteswest : int;
+ tz_dsttime : int;
+ end record;
+ pragma Convention (C, struct_timezone);
+
+ procedure usleep (useconds : unsigned_long);
+ pragma Import (C, usleep, "usleep");
+
+ -------------------------
+ -- Priority Scheduling --
+ -------------------------
+
+ SCHED_FIFO : constant := 1;
+ SCHED_OTHER : constant := 2;
+ SCHED_RR : constant := 3;
+
+ function To_Target_Priority
+ (Prio : System.Any_Priority) return Interfaces.C.int;
+ -- Maps System.Any_Priority to a POSIX priority
+
+ -------------
+ -- 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;
+ pragma Convention (C, Thread_Body);
+
+ function Thread_Body_Access is new
+ Ada.Unchecked_Conversion (System.Address, Thread_Body);
+
+ 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;
+
+ PTHREAD_CREATE_DETACHED : constant := 1;
+ PTHREAD_CREATE_JOINABLE : constant := 0;
+
+ PTHREAD_SCOPE_PROCESS : constant := 0;
+ PTHREAD_SCOPE_SYSTEM : constant := 2;
+
+ -- Read/Write lock not supported on DragonFly. To add support both types
+ -- pthread_rwlock_t and pthread_rwlockattr_t must properly be defined
+ -- with the associated routines pthread_rwlock_[init/destroy] and
+ -- pthread_rwlock_[rdlock/wrlock/unlock].
+
+ subtype pthread_rwlock_t is pthread_mutex_t;
+ subtype pthread_rwlockattr_t is pthread_mutexattr_t;
+
+ -----------
+ -- Stack --
+ -----------
+
+ type stack_t is record
+ ss_sp : System.Address;
+ ss_size : size_t;
+ ss_flags : int;
+ end record;
+ pragma Convention (C, stack_t);
+
+ function sigaltstack
+ (ss : not null access stack_t;
+ oss : access stack_t) return int;
+ pragma Import (C, sigaltstack, "sigaltstack");
+
+ Alternate_Stack : aliased System.Address;
+ -- This is a dummy definition, never used (Alternate_Stack_Size is null)
+
+ Alternate_Stack_Size : constant := 0;
+ -- No alternate signal stack is used on this platform
+
+ Stack_Base_Available : constant Boolean := False;
+ -- Indicates whether 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 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 Address;
+ pragma Import (C, Get_Page_Size, "getpagesize");
+ -- Returns the size of a page
+
+ 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 : Address; len : size_t; prot : int) return int;
+ pragma Import (C, mprotect);
+
+ ---------------------------------------
+ -- Nonstandard Thread Initialization --
+ ---------------------------------------
+
+ -- FSU_THREADS requires pthread_init, which is nonstandard and this should
+ -- be invoked during the elaboration of s-taprop.adb.
+
+ -- DragonFlyBSD does not require this so we provide an empty Ada body
+
+ 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");
+
+ function pthread_sigmask
+ (how : int;
+ set : access sigset_t;
+ oset : access sigset_t) 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, "pthread_mutexattr_setprotocol");
+
+ function pthread_mutexattr_getprotocol
+ (attr : access pthread_mutexattr_t;
+ protocol : access int) return int;
+ pragma Import
+ (C, pthread_mutexattr_getprotocol, "pthread_mutexattr_getprotocol");
+
+ function pthread_mutexattr_setprioceiling
+ (attr : access pthread_mutexattr_t;
+ prioceiling : int) return int;
+ pragma Import
+ (C, pthread_mutexattr_setprioceiling,
+ "pthread_mutexattr_setprioceiling");
+
+ function pthread_mutexattr_getprioceiling
+ (attr : access pthread_mutexattr_t;
+ prioceiling : access int) return int;
+ pragma Import
+ (C, pthread_mutexattr_getprioceiling,
+ "pthread_mutexattr_getprioceiling");
+
+ type struct_sched_param is record
+ sched_priority : int;
+ end record;
+ pragma Convention (C, struct_sched_param);
+
+ function pthread_getschedparam
+ (thread : pthread_t;
+ policy : access int;
+ param : access struct_sched_param) return int;
+ pragma Import (C, pthread_getschedparam, "pthread_getschedparam");
+
+ 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_getscope
+ (attr : access pthread_attr_t;
+ contentionscope : access int) return int;
+ pragma Import (C, pthread_attr_getscope, "pthread_attr_getscope");
+
+ 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_getinheritsched
+ (attr : access pthread_attr_t;
+ inheritsched : access int) return int;
+ pragma Import
+ (C, pthread_attr_getinheritsched, "pthread_attr_getinheritsched");
+
+ function pthread_attr_setschedpolicy
+ (attr : access pthread_attr_t;
+ policy : int) return int;
+ pragma Import (C, pthread_attr_setschedpolicy,
+ "pthread_attr_setschedpolicy");
+
+ function pthread_attr_getschedpolicy
+ (attr : access pthread_attr_t;
+ policy : access int) return int;
+ pragma Import (C, pthread_attr_getschedpolicy,
+ "pthread_attr_getschedpolicy");
+
+ function pthread_attr_setschedparam
+ (attr : access pthread_attr_t;
+ sched_param : int) return int;
+ pragma Import (C, pthread_attr_setschedparam, "pthread_attr_setschedparam");
+
+ function pthread_attr_getschedparam
+ (attr : access pthread_attr_t;
+ sched_param : access int) return int;
+ pragma Import (C, pthread_attr_getschedparam, "pthread_attr_getschedparam");
+
+ function sched_yield return int;
+ pragma Import (C, sched_yield, "pthread_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, "pthread_attr_setdetachstate");
+
+ function pthread_attr_getdetachstate
+ (attr : access pthread_attr_t;
+ detachstate : access int) return int;
+ pragma Import
+ (C, pthread_attr_getdetachstate, "pthread_attr_getdetachstate");
+
+ function pthread_attr_getstacksize
+ (attr : access pthread_attr_t;
+ stacksize : access size_t) return int;
+ pragma Import
+ (C, pthread_attr_getstacksize, "pthread_attr_getstacksize");
+
+ 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");
+
+ function pthread_detach (thread : pthread_t) return int;
+ pragma Import (C, pthread_detach, "pthread_detach");
+
+ 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);
+ pragma Convention (C, destructor_pointer);
+
+ function pthread_key_create
+ (key : access pthread_key_t;
+ destructor : destructor_pointer) return int;
+ pragma Import (C, pthread_key_create, "pthread_key_create");
+
+ ------------------------------------
+ -- Non-portable Pthread Functions --
+ ------------------------------------
+
+ function pthread_set_name_np
+ (thread : pthread_t;
+ name : System.Address) return int;
+ pragma Import (C, pthread_set_name_np, "pthread_set_name_np");
+
+private
+
+ type sigset_t is array (1 .. 4) of unsigned;
+
+ -- In DragonFlyBSD the component sa_handler turns out to
+ -- be one a union type, and the selector is a macro:
+ -- #define sa_handler __sigaction_u._handler
+ -- #define sa_sigaction __sigaction_u._sigaction
+
+ -- Should we add a signal_context type here ???
+ -- How could it be done independent of the CPU architecture ???
+ -- sigcontext type is opaque, so it is architecturally neutral.
+ -- It is always passed as an access type, so define it as an empty record
+ -- since the contents are not used anywhere.
+
+ type struct_sigcontext is null record;
+ pragma Convention (C, struct_sigcontext);
+
+ type pid_t is new int;
+
+ type time_t is new long;
+
+ type timespec is record
+ ts_sec : time_t;
+ ts_nsec : long;
+ end record;
+ pragma Convention (C, timespec);
+
+ type pthread_t is new System.Address;
+ type pthread_attr_t is new System.Address;
+ type pthread_mutex_t is new System.Address;
+ type pthread_mutexattr_t is new System.Address;
+ type pthread_cond_t is new System.Address;
+ type pthread_condattr_t is new System.Address;
+ type pthread_key_t is new int;
+
+end System.OS_Interface;
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