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Makefile.in: Add support for x86 GNU/Hurd. 

* gcc-interface/Makefile.in: Add support for x86 GNU/Hurd.
	* s-osinte-gnu.ads: New file.

From-SVN: r234252
This commit is contained in:
Svante Signell 2016-03-16 10:04:01 +00:00 committed by Eric Botcazou
parent 7662b718e1
commit b462f86075
3 changed files with 836 additions and 1 deletions
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5
gcc/ada/ChangeLog
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@ -1,3 +1,8 @@
2016-03-16 Svante Signell <svante.signell@gmail.com>
* gcc-interface/Makefile.in: Add support for x86 GNU/Hurd.
* s-osinte-gnu.ads: New file.
2016-03-13 Eric Botcazou <ebotcazou@adacore.com> 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
* system-vxworks-m68k.ads (Stack_Check_Probes): Set to True. * system-vxworks-m68k.ads (Stack_Check_Probes): Set to True.

31
gcc/ada/gcc-interface/Makefile.in
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@ -1,5 +1,5 @@
# Makefile for GNU Ada Compiler (GNAT). # Makefile for GNU Ada Compiler (GNAT).
# Copyright (C) 1994-2015 Free Software Foundation, Inc. # Copyright (C) 1994-2016 Free Software Foundation, Inc.
#This file is part of GCC. #This file is part of GCC.
@ -1420,6 +1420,35 @@ ifeq ($(strip $(filter-out %86 kfreebsd%,$(target_cpu) $(target_os))),)
MISCLIB = -lutil MISCLIB = -lutil
endif endif
# i[3456]86-pc-gnu i.e. GNU Hurd
ifeq ($(strip $(filter-out %86 pc gnu,$(target_cpu) $(target_vendor) $(target_os))),)
LIBGNAT_TARGET_PAIRS = \
a-intnam.ads<a-intnam-freebsd.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-intman.adb<s-intman-posix.adb \
s-osinte.adb<s-osinte-posix.adb \
s-osinte.ads<s-osinte-gnu.ads \
s-osprim.adb<s-osprim-posix.adb \
s-taprop.adb<s-taprop-posix.adb \
s-taspri.ads<s-taspri-posix.ads \
s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
$(ATOMICS_TARGET_PAIRS) \
$(X86_TARGET_PAIRS) \
system.ads<system-freebsd-x86.ads
TOOLS_TARGET_PAIRS = \
mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
indepsw.adb<indepsw-gnu.adb
EXTRA_GNATRTL_NONTASKING_OBJS=g-sse.o g-ssvety.o
EH_MECHANISM=-gcc
THREADSLIB = -lpthread
GNATLIB_SHARED = gnatlib-shared-dual
GMEM_LIB = gmemlib
LIBRARY_VERSION := $(LIB_VERSION)
endif
ifeq ($(strip $(filter-out x86_64 kfreebsd%,$(target_cpu) $(target_os))),) ifeq ($(strip $(filter-out x86_64 kfreebsd%,$(target_cpu) $(target_os))),)
LIBGNAT_TARGET_PAIRS = \ LIBGNAT_TARGET_PAIRS = \
a-intnam.ads<a-intnam-freebsd.ads \ a-intnam.ads<a-intnam-freebsd.ads \

801
gcc/ada/s-osinte-gnu.ads Normal file
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@ -0,0 +1,801 @@
------------------------------------------------------------------------------
-- --
-- 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) 1995-2016, 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. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- This is the GNU/Hurd (POSIX Threads) version of this package
-- 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
-- Preelaborate. This package is designed to be a bottom-level (leaf) package
with Interfaces.C;
with Unchecked_Conversion;
package System.OS_Interface is
pragma Preelaborate;
pragma Linker_Options ("-lpthread");
pragma Linker_Options ("-lrt");
subtype int is Interfaces.C.int;
subtype char is Interfaces.C.char;
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 --
-----------
-- From /usr/include/i386-gnu/bits/errno.h
function errno return int;
pragma Import (C, errno, "__get_errno");
EAGAIN : constant := 1073741859;
EINTR : constant := 1073741828;
EINVAL : constant := 1073741846;
ENOMEM : constant := 1073741836;
EPERM : constant := 1073741825;
ETIMEDOUT : constant := 1073741884;
-------------
-- Signals --
-------------
-- From /usr/include/i386-gnu/bits/signum.h
Max_Interrupt : constant := 32;
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)
SIGPOLL : constant := 23; -- I/O possible (same as SIGIO?)
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 (NetBSD/FreeBSD)
SIGUSR1 : constant := 30; -- user defined signal 1
SIGUSR2 : constant := 31; -- user defined signal 2
SIGLOST : constant := 32; -- Resource lost (Sun); server died (GNU)
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 := (
SIGTRAP,
-- To enable debugging on multithreaded applications, mark SIGTRAP to
-- be kept unmasked.
SIGBUS,
SIGTTIN, SIGTTOU, SIGTSTP,
-- Keep these three signals unmasked so that background processes
-- and IO behaves as normal "C" applications
SIGPROF,
-- To avoid confusing the profiler
SIGKILL, SIGSTOP);
-- These two signals actually cannot be masked;
-- POSIX simply won't allow it.
Reserved : constant Signal_Set :=
-- I am not sure why the following signal is reserved.
-- I guess they are not supported by this version of GNU/Hurd.
(0 .. 0 => SIGVTALRM);
type sigset_t is private;
-- From /usr/include/signal.h /usr/include/i386-gnu/bits/sigset.h
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;
-- From /usr/include/i386-gnu/bits/sigaction.h: Note: arg. order differs
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;
-- From /usr/include/i386-gnu/bits/sigaction.h
SIG_BLOCK : constant := 1;
SIG_UNBLOCK : constant := 2;
SIG_SETMASK : constant := 3;
-- From /usr/include/i386-gnu/bits/signum.h
SIG_ERR : constant := 1;
SIG_DFL : constant := 0;
SIG_IGN : constant := 1;
SIG_HOLD : constant := 2;
-- From /usr/include/i386-gnu/bits/sigaction.h
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 int;
CLOCK_REALTIME : constant clockid_t := 0;
-- From: /usr/include/time.h
function clock_gettime
(clock_id : clockid_t;
tp : access timespec)
return int;
pragma Import (C, clock_gettime, "clock_gettime");
function clock_getres
(clock_id : clockid_t;
res : access timespec) return int;
pragma Import (C, clock_getres, "clock_getres");
function To_Duration (TS : timespec) return Duration;
pragma Inline (To_Duration);
function To_Timespec (D : Duration) return timespec;
pragma Inline (To_Timespec);
-- From: /usr/include/unistd.h
function sysconf (name : int) return long;
pragma Import (C, sysconf);
-- From /usr/include/i386-gnu/bits/confname.h
SC_CLK_TCK : constant := 2;
SC_NPROCESSORS_ONLN : constant := 84;
-------------------------
-- Priority Scheduling --
-------------------------
-- From /usr/include/i386-gnu/bits/sched.h
SCHED_OTHER : constant := 0;
SCHED_FIFO : constant := 1;
SCHED_RR : constant := 2;
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;
-- From: /usr/include/signal.h
function kill (pid : pid_t; sig : Signal) return int;
pragma Import (C, kill, "kill");
-- From: /usr/include/unistd.h
function getpid return pid_t;
pragma Import (C, getpid, "getpid");
---------
-- LWP --
---------
-- From: /usr/include/pthread/pthread.h
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
Unchecked_Conversion (System.Address, Thread_Body);
-- From: /usr/include/bits/pthread.h:typedef int __pthread_t;
-- /usr/include/pthread/pthreadtypes.h:typedef __pthread_t pthread_t;
type pthread_t is new unsigned_long;
subtype Thread_Id is pthread_t;
function To_pthread_t is new Unchecked_Conversion
(unsigned_long, pthread_t);
type pthread_mutex_t is limited private;
type pthread_rwlock_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_rwlockattr_t is limited private;
type pthread_condattr_t is limited private;
type pthread_key_t is private;
-- From /usr/include/pthread/pthreadtypes.h
PTHREAD_CREATE_DETACHED : constant := 1;
PTHREAD_CREATE_JOINABLE : constant := 0;
PTHREAD_SCOPE_PROCESS : constant := 1;
PTHREAD_SCOPE_SYSTEM : constant := 0;
-----------
-- Stack --
-----------
-- From: /usr/include/i386-gnu/bits/sigstack.h
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
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.
-- From: /usr/include/unistd.h __getpagesize or getpagesize??
function Get_Page_Size return int;
pragma Import (C, Get_Page_Size, "__getpagesize");
-- Returns the size of a page
-- From /usr/include/i386-gnu/bits/mman.h
PROT_NONE : constant := 0;
PROT_READ : constant := 4;
PROT_WRITE : constant := 2;
PROT_EXEC : constant := 1;
PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
PROT_ON : constant := PROT_NONE;
PROT_OFF : constant := PROT_ALL;
-- From /usr/include/i386-gnu/bits/mman.h
function mprotect (addr : Address; len : size_t; prot : int) return int;
pragma Import (C, mprotect);
---------------------------------------
-- Nonstandard Thread Initialization --
---------------------------------------
procedure pthread_init;
pragma Inline (pthread_init);
-- This is a dummy procedure to share some GNULLI files
-------------------------
-- POSIX.1c Section 3 --
-------------------------
-- From: /usr/include/signal.h:
-- sigwait (__const sigset_t *__restrict __set, int *__restrict __sig)
function sigwait (set : access sigset_t; sig : access Signal) return int;
pragma Import (C, sigwait, "sigwait");
-- From: /usr/include/pthread/pthread.h:
-- extern int pthread_kill (pthread_t thread, int signo);
function pthread_kill (thread : pthread_t; sig : Signal) return int;
pragma Import (C, pthread_kill, "pthread_kill");
-- From: /usr/include/i386-gnu/bits/sigthread.h
-- extern int pthread_sigmask (int __how, __const __sigset_t *__newmask,
-- __sigset_t *__oldmask) __THROW;
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 --
--------------------------
-- From: /usr/include/pthread/pthread.h and
-- /usr/include/pthread/pthreadtypes.h
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_rwlockattr_init
(attr : access pthread_rwlockattr_t) return int;
pragma Import (C, pthread_rwlockattr_init, "pthread_rwlockattr_init");
function pthread_rwlockattr_destroy
(attr : access pthread_rwlockattr_t) return int;
pragma Import (C, pthread_rwlockattr_destroy, "pthread_rwlockattr_destroy");
PTHREAD_RWLOCK_PREFER_READER_NP : constant := 0;
PTHREAD_RWLOCK_PREFER_WRITER_NP : constant := 1;
PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP : constant := 2;
function pthread_rwlockattr_setkind_np
(attr : access pthread_rwlockattr_t;
pref : int) return int;
pragma Import
(C, pthread_rwlockattr_setkind_np, "pthread_rwlockattr_setkind_np");
function pthread_rwlock_init
(mutex : access pthread_rwlock_t;
attr : access pthread_rwlockattr_t) return int;
pragma Import (C, pthread_rwlock_init, "pthread_rwlock_init");
function pthread_rwlock_destroy
(mutex : access pthread_rwlock_t) return int;
pragma Import (C, pthread_rwlock_destroy, "pthread_rwlock_destroy");
function pthread_rwlock_rdlock (mutex : access pthread_rwlock_t) return int;
pragma Import (C, pthread_rwlock_rdlock, "pthread_rwlock_rdlock");
function pthread_rwlock_wrlock (mutex : access pthread_rwlock_t) return int;
pragma Import (C, pthread_rwlock_wrlock, "pthread_rwlock_wrlock");
function pthread_rwlock_unlock (mutex : access pthread_rwlock_t) return int;
pragma Import (C, pthread_rwlock_unlock, "pthread_rwlock_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 --
--------------------------
-- From /usr/include/pthread/pthreadtypes.h
PTHREAD_PRIO_NONE : constant := 0;
PTHREAD_PRIO_PROTECT : constant := 2;
PTHREAD_PRIO_INHERIT : constant := 1;
-- From: /usr/include/pthread/pthread.h
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; -- scheduling priority
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_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_setschedpolicy");
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, "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");
-- From: /usr/include/pthread/pthread.h
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);
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");
-- From /usr/include/i386-gnu/bits/sched.h
CPU_SETSIZE : constant := 1_024;
type bit_field is array (1 .. CPU_SETSIZE) of Boolean;
for bit_field'Size use CPU_SETSIZE;
pragma Pack (bit_field);
pragma Convention (C, bit_field);
type cpu_set_t is record
bits : bit_field;
end record;
pragma Convention (C, cpu_set_t);
private
type sigset_t is array (1 .. 4) of unsigned;
-- In GNU/Hurd the component sa_handler turns out to
-- be one a union type, and the selector is a macro:
-- #define sa_handler __sigaction_handler.sa_handler
-- #define sa_sigaction __sigaction_handler.sa_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
tv_sec : time_t;
tv_nsec : long;
end record;
pragma Convention (C, timespec);
-- From: /usr/include/pthread/pthreadtypes.h:
-- typedef struct __pthread_attr pthread_attr_t;
-- /usr/include/i386-gnu/bits/thread-attr.h: struct __pthread_attr...
-- /usr/include/pthread/pthreadtypes.h: enum __pthread_contentionscope
-- enum __pthread_detachstate detachstate;
-- enum __pthread_inheritsched inheritsched;
-- enum __pthread_contentionscope contentionscope;
-- Not used: schedpolicy : int;
type pthread_attr_t is record
schedparam : struct_sched_param;
stackaddr : System.Address;
stacksize : size_t;
guardsize : size_t;
detachstate : int;
inheritsched : int;
contentionscope : int;
schedpolicy : int;
end record;
pragma Convention (C, pthread_attr_t);
-- From: /usr/include/pthread/pthreadtypes.h:
-- typedef struct __pthread_condattr pthread_condattr_t;
-- From: /usr/include/i386-gnu/bits/condition-attr.h:
-- struct __pthread_condattr {
-- enum __pthread_process_shared pshared;
-- __Clockid_T Clock;}
-- From: /usr/include/pthread/pthreadtypes.h:
-- enum __pthread_process_shared
type pthread_condattr_t is record
pshared : int;
clock : clockid_t;
end record;
pragma Convention (C, pthread_condattr_t);
-- From: /usr/include/pthread/pthreadtypes.h:
-- typedef struct __pthread_mutexattr pthread_mutexattr_t; and
-- /usr/include/i386-gnu/bits/mutex-attr.h
-- struct __pthread_mutexattr {
-- int prioceiling;
-- enum __pthread_mutex_protocol protocol;
-- enum __pthread_process_shared pshared;
-- enum __pthread_mutex_type mutex_type;};
type pthread_mutexattr_t is record
prioceiling : int;
protocol : int;
pshared : int;
mutex_type : int;
end record;
pragma Convention (C, pthread_mutexattr_t);
-- From: /usr/include/pthread/pthreadtypes.h
-- typedef struct __pthread_mutex pthread_mutex_t; and
-- /usr/include/i386-gnu/bits/mutex.h:
-- struct __pthread_mutex {
-- __pthread_spinlock_t __held;
-- __pthread_spinlock_t __lock;
-- /* in cthreads, mutex_init does not initialized the third
-- pointer, as such, we cannot rely on its value for anything. */
-- char *cthreadscompat1;
-- struct __pthread *__queue;
-- struct __pthread_mutexattr *attr;
-- void *data;
-- /* up to this point, we are completely compatible with cthreads
-- and what libc expects. */
-- void *owner;
-- unsigned locks;
-- /* if null then the default attributes apply. */
-- };
type pthread_mutex_t is record
held : int;
lock : int;
cthreadcompat : System.Address;
queue : System.Address;
attr : System.Address;
data : System.Address;
owner : System.Address;
locks : unsigned;
end record;
pragma Convention (C, pthread_mutex_t);
-- pointer needed?
-- type pthread_mutex_t_ptr is access pthread_mutex_t;
-- From: /usr/include/pthread/pthreadtypes.h:
-- typedef struct __pthread_cond pthread_cond_t;
-- typedef struct __pthread_condattr pthread_condattr_t;
-- /usr/include/i386-gnu/bits/condition.h:struct __pthread_cond{}
-- pthread_condattr_t: see above!
-- /usr/include/i386-gnu/bits/condition.h:
-- struct __pthread_condimpl *__impl;
type pthread_cond_t is record
lock : int;
queue : System.Address;
condattr : System.Address;
impl : System.Address;
data : System.Address;
end record;
pragma Convention (C, pthread_cond_t);
-- From: /usr/include/pthread/pthreadtypes.h:
-- typedef __pthread_key pthread_key_t; and
-- /usr/include/i386-gnu/bits/thread-specific.h:
-- typedef int __pthread_key;
type pthread_key_t is new int;
-- From: /usr/include/i386-gnu/bits/rwlock-attr.h:
-- struct __pthread_rwlockattr {
-- enum __pthread_process_shared pshared; };
type pthread_rwlockattr_t is record
pshared : int;
end record;
pragma Convention (C, pthread_rwlockattr_t);
-- From: /usr/include/i386-gnu/bits/rwlock.h:
-- struct __pthread_rwlock {
-- __pthread_spinlock_t __held;
-- __pthread_spinlock_t __lock;
-- int readers;
-- struct __pthread *readerqueue;
-- struct __pthread *writerqueue;
-- struct __pthread_rwlockattr *__attr;
-- void *__data; };
type pthread_rwlock_t is record
held : int;
lock : int;
readers : int;
readerqueue : System.Address;
writerqueue : System.Address;
attr : pthread_rwlockattr_t;
data : int;
end record;
pragma Convention (C, pthread_rwlock_t);
end System.OS_Interface;