===================================================================
@@ -0,0 +1,804 @@
+------------------------------------------------------------------------------
+-- --
+-- 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) 1995-2014, 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 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/i386-gnu/bits/shm.h __getpagesize or getpagesize??
+ 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
+
+ -- 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);
+
+ -- function pthread_setaffinity_np
+ -- (thread : pthread_t;
+ -- cpusetsize : size_t;
+ -- cpuset : access cpu_set_t) return int;
+ -- pragma Import (C, pthread_setaffinity_np,
+ -- "__gnat_pthread_setaffinity_np");
+
+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;
===================================================================
@@ -1296,6 +1296,35 @@ ifeq ($(strip $(filter-out %86 kfreebsd%
MISCLIB = -lutil
endif
+# i[3456]86-pc-gnu i.e. GNU Hurd
+ifeq ($(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))),)
LIBGNAT_TARGET_PAIRS = \
a-intnam.ads<a-intnam-freebsd.ads \