--- /dev/null 2012-01-30 20:41:15.189616186 +0100 +++ b/src/gcc/ada/s-osinte-gnu.ads 2012-04-11 19:34:45.000000000 +0200 @@ -0,0 +1,750 @@ +------------------------------------------------------------------------------ +-- -- +-- 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) 1995-2011, 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, 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 GNU/Hurd 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) +-- SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal +-- SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal +-- SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal + + 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 private; + + CLOCK_REALTIME : constant clockid_t; + + -- 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_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; + + -- 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_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 + -- 1_024 == 1024?? + 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; + + -- FIXME: + -- 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 + + -- In FreeBSD 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 + 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; + + -- From: /usr/include/pthread/pthreadtypes.h: + -- typedef struct __pthread_attr pthread_attr_t; + -- /usr/include/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/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/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/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/bits/condition.h:struct __pthread_cond{} + -- pthread_condattr_t: see above! + -- /usr/include/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/bits/thread-specific.h: + -- typedef int __pthread_key; + type pthread_key_t is new int; + +end System.OS_Interface;