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Diffstat (limited to 'gcc/ada/5gosinte.ads')
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diff --git a/gcc/ada/5gosinte.ads b/gcc/ada/5gosinte.ads new file mode 100644 index 00000000000..7b9c0cc04ea --- /dev/null +++ b/gcc/ada/5gosinte.ads @@ -0,0 +1,698 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 -- +-- -- +-- $Revision: 1.20 $ +-- -- +-- Copyright (C) 1997-2001 Free Software Foundation, Inc. -- +-- -- +-- GNARL is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNARL; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNARL was developed by the GNARL team at Florida State University. It is -- +-- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- +-- State University (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- This is an Irix (old pthread library) 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 Elaborate_Body. +-- It is designed to be a bottom-level (leaf) package. + +with Interfaces; +with Interfaces.C; +with Interfaces.C.Strings; + +package System.OS_Interface is + + pragma Preelaborate; + + pragma Linker_Options ("-lathread"); + + 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; + subtype chars_ptr is Interfaces.C.Strings.chars_ptr; + + ----------- + -- Errno -- + ----------- + + function errno return int; + pragma Import (C, errno, "__get_errno"); + + EINTR : constant := 4; -- interrupted system call + EAGAIN : constant := 11; -- No more processes + ENOMEM : constant := 12; -- Not enough core + EINVAL : constant := 22; -- Invalid argument + ETIMEDOUT : constant := 145; -- Connection timed out + + ------------- + -- Signals -- + ------------- + + Max_Interrupt : constant := 64; + 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 + SIGUSR1 : constant := 16; -- user defined signal 1 + SIGUSR2 : constant := 17; -- user defined signal 2 + SIGCLD : constant := 18; -- alias for SIGCHLD + SIGCHLD : constant := 18; -- child status change + SIGPWR : constant := 19; -- power-fail restart + SIGWINCH : constant := 20; -- window size change + SIGURG : constant := 21; -- urgent condition on IO channel + SIGPOLL : constant := 22; -- pollable event occurred + SIGIO : constant := 22; -- I/O possible (Solaris SIGPOLL alias) + SIGSTOP : constant := 23; -- stop (cannot be caught or ignored) + SIGTSTP : constant := 24; -- user stop requested from tty + SIGCONT : constant := 25; -- stopped process has been continued + SIGTTIN : constant := 26; -- background tty read attempted + SIGTTOU : constant := 27; -- background tty write attempted + SIGVTALRM : constant := 28; -- virtual timer expired + SIGPROF : constant := 29; -- profiling timer expired + SIGXCPU : constant := 30; -- CPU time limit exceeded + SIGXFSZ : constant := 31; -- filesize limit exceeded + SIGK32 : constant := 32; -- reserved for kernel (IRIX) + SIGCKPT : constant := 33; -- Checkpoint warning + SIGRESTART : constant := 34; -- Restart warning + SIGUME : constant := 35; -- Uncorrectable memory error + -- Signals defined for Posix 1003.1c. + SIGPTINTR : constant := 47; + SIGPTRESCHED : constant := 48; + -- Posix 1003.1b signals + SIGRTMIN : constant := 49; -- Posix 1003.1b signals + SIGRTMAX : constant := 64; -- Posix 1003.1b signals + + type sigset_t is private; + type sigset_t_ptr is access all sigset_t; + + function sigaddset (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigaddset, "sigaddset"); + + function sigdelset (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigdelset, "sigdelset"); + + function sigfillset (set : access sigset_t) return int; + pragma Import (C, sigfillset, "sigfillset"); + + function sigismember (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigismember, "sigismember"); + + function sigemptyset (set : access sigset_t) return int; + pragma Import (C, sigemptyset, "sigemptyset"); + + type siginfo_t is record + si_signo : int; + si_code : int; + si_errno : int; + bit_field_substitute_1 : String (1 .. 116); + end record; + pragma Convention (C, siginfo_t); + + type array_type_2 is array (Integer range 0 .. 1) of int; + type struct_sigaction is record + sa_flags : int; + sa_handler : System.Address; + sa_mask : sigset_t; + sa_resv : array_type_2; + end record; + pragma Convention (C, struct_sigaction); + type struct_sigaction_ptr is access all struct_sigaction; + + SIG_BLOCK : constant := 1; + SIG_UNBLOCK : constant := 2; + SIG_SETMASK : constant := 3; + + SIG_DFL : constant := 0; + SIG_IGN : constant := 1; + + function sigaction + (sig : Signal; + act : struct_sigaction_ptr; + oact : struct_sigaction_ptr := null) return int; + pragma Import (C, sigaction, "sigaction"); + + ---------- + -- Time -- + ---------- + + type time_t is new int; + + type timespec is record + tv_sec : time_t; + tv_nsec : long; + end record; + pragma Convention (C, timespec); + type timespec_ptr is access all timespec; + + function To_Duration (TS : timespec) return Duration; + pragma Inline (To_Duration); + + function To_Timespec (D : Duration) return timespec; + pragma Inline (To_Timespec); + + type timer_t is new Integer; + type clockid_t is private; + + CLOCK_REALTIME : constant clockid_t; + CLOCK_SGI_FAST : constant clockid_t; + CLOCK_SGI_CYCLE : constant clockid_t; + + SGI_CYCLECNTR_SIZE : constant := 165; + function syssgi (request : Interfaces.C.int) return Interfaces.C.ptrdiff_t; + + pragma Import (C, syssgi, "syssgi"); + + 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; tp : access timespec) return int; + pragma Import (C, clock_getres, "clock_getres"); + + type struct_timeval is record + tv_sec : time_t; + tv_usec : time_t; + end record; + pragma Convention (C, struct_timeval); + + function To_Duration (TV : struct_timeval) return Duration; + pragma Inline (To_Duration); + + function To_Timeval (D : Duration) return struct_timeval; + pragma Inline (To_Timeval); + + function gettimeofday + (tv : access struct_timeval; + tz : System.Address := System.Null_Address) return int; + pragma Import (C, gettimeofday, "gettimeofday"); + + ------------------------- + -- Priority Scheduling -- + ------------------------- + + SCHED_FIFO : constant := 0; + SCHED_RR : constant := 0; + SCHED_OTHER : constant := 0; + + ------------- + -- 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"); + + --------------------------------------- + -- Nonstandard Thread Initialization -- + --------------------------------------- + + procedure pthread_init; + pragma Inline (pthread_init); + -- This is a dummy procedure to share some GNULLI files + + ------------- + -- Threads -- + ------------- + + type Thread_Body is access + function (arg : System.Address) return System.Address; + + type pthread_t is private; -- thread identifier + subtype Thread_Id is pthread_t; + + type pthread_mutex_t is private; -- mutex identifier + type pthread_cond_t is private; -- cond identifier + type pthread_attr_t is private; -- pthread attributes + type pthread_mutexattr_t is private; -- mutex attributes + type pthread_condattr_t is private; -- mutex attributes + type sem_t is private; -- semaphore identifier + type pthread_key_t is private; -- per thread key + + subtype pthread_once_t is int; -- dynamic package initialization + subtype resource_t is long; -- sproc. resource info. + type start_addr is access function (arg : Address) return Address; + type sproc_start_addr is access function (arg : Address) return int; + type callout_addr is + access function (arg : Address; arg1 : Address) return Address; + + -- SGI specific types + + subtype sproc_t is Address; -- sproc identifier + subtype sproc_attr_t is Address; -- sproc attributes + + subtype spcb_p is Address; + subtype ptcb_p is Address; + + -- Pthread Error Types + + FUNC_OK : constant := 0; + FUNC_ERR : constant := -1; + + -- pthread run-time initialization data structure + + type pthread_init_struct is record + conf_initsize : int; -- shared area size + max_sproc_count : int; -- maximum number of sprocs + sproc_stack_size : size_t; -- sproc stack size + os_default_priority : int; -- default IRIX pri for main process + os_sched_signal : int; -- default OS scheduling signal + guard_pages : int; -- number of guard pages per stack + init_sproc_count : int; -- initial number of sprocs + end record; + + -- + -- Pthread Attribute Initialize / Destroy + -- + + function pthread_attr_init (attr : access pthread_attr_t) return int; + pragma Import (C, pthread_attr_init, "pthread_attr_init"); + + function pthread_attr_destroy (attr : access pthread_attr_t) return int; + pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy"); + + -- + -- Thread Attributes + -- + + 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_attr_setdetachstate + (attr : access pthread_attr_t; detachstate : int) return int; + pragma Import (C, pthread_attr_setdetachstate); + + function pthread_attr_setname + (attr : access pthread_attr_t; name : chars_ptr) return int; + pragma Import (C, pthread_attr_setname, "pthread_attr_setname"); + + -- + -- Thread Scheduling Attributes + -- + + function pthread_attr_setscope + (attr : access pthread_attr_t; contentionscope : int) return int; + pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope"); + + function pthread_attr_setinheritsched + (attr : access pthread_attr_t; inherit : int) return int; + pragma Import + (C, pthread_attr_setinheritsched, "pthread_attr_setinheritsched"); + + function pthread_attr_setsched + (attr : access pthread_attr_t; scheduler : int) return int; + pragma Import (C, pthread_attr_setsched, "pthread_attr_setsched"); + + function pthread_attr_setprio + (attr : access pthread_attr_t; priority : int) return int; + pragma Import (C, pthread_attr_setprio, "pthread_attr_setprio"); + + -- + -- SGI Extensions to Thread Attributes + -- + + -- Bound to sproc attribute values + + PTHREAD_BOUND : constant := 1; + PTHREAD_NOT_BOUND : constant := 0; + + function pthread_attr_setresources + (attr : access pthread_attr_t; resources : resource_t) return int; + pragma Import (C, pthread_attr_setresources, "pthread_attr_setresources"); + + function pthread_attr_set_boundtosproc + (attr : access pthread_attr_t; bound_to_sproc : int) return int; + pragma Import + (C, pthread_attr_set_boundtosproc, "pthread_attr_set_boundtosproc"); + + function pthread_attr_set_bsproc + (attr : access pthread_attr_t; bsproc : spcb_p) return int; + pragma Import (C, pthread_attr_set_bsproc, "pthread_attr_set_bsproc"); + + function pthread_attr_set_tslice + (attr : access pthread_attr_t; + ts_interval : access struct_timeval) return int; + pragma Import (C, pthread_attr_set_tslice, "pthread_attr_set_tslice"); + + -- + -- Thread Creation & Management + -- + + function pthread_create + (thread : access pthread_t; + attr : access pthread_attr_t; + start_routine : start_addr; + arg : Address) return int; + pragma Import (C, pthread_create, "pthread_create"); + + procedure pthread_exit (status : Address); + pragma Import (C, pthread_exit, "pthread_exit"); + + procedure pthread_yield (arg : Address := System.Null_Address); + pragma Import (C, pthread_yield, "pthread_yield"); + + function pthread_self return pthread_t; + pragma Import (C, pthread_self, "pthread_self"); + + function pthread_kill (thread : pthread_t; sig : int) return int; + pragma Import (C, pthread_kill, "pthread_kill"); + + -- + -- SGI Extensions to POSIX thread operations + -- + + function pthread_setprio (thread : pthread_t; priority : int) return int; + pragma Import (C, pthread_setprio, "pthread_setprio"); + + function pthread_suspend (thread : pthread_t) return int; + pragma Import (C, pthread_suspend, "pthread_suspend"); + + function pthread_resume (thread : pthread_t) return int; + pragma Import (C, pthread_resume, "pthread_resume"); + + function pthread_get_current_ada_tcb return Address; + pragma Import (C, pthread_get_current_ada_tcb); + + function pthread_set_ada_tcb + (thread : pthread_t; data : Address) return int; + pragma Import (C, pthread_set_ada_tcb, "pthread_set_ada_tcb"); + + -- Mutex Initialization / Destruction + + 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_mutexattr_setqueueorder + (attr : access pthread_mutexattr_t; order : int) return int; + pragma Import (C, pthread_mutexattr_setqueueorder); + + function pthread_mutexattr_setceilingprio + (attr : access pthread_mutexattr_t; priority : int) return int; + pragma Import (C, pthread_mutexattr_setceilingprio); + + -- Mutex Attributes + + -- Threads queueing order + + MUTEX_PRIORITY : constant := 0; -- wait in priority order + MUTEX_FIFO : constant := 1; -- first-in-first-out + MUTEX_PRIORITY_INHERIT : constant := 2; -- priority inhertance mutex + MUTEX_PRIORITY_CEILING : constant := 3; -- priority ceiling mutex + + -- Mutex debugging options + + MUTEX_NO_DEBUG : constant := 0; -- no debugging on mutex + MUTEX_DEBUG : constant := 1; -- debugging is on + + -- Mutex spin on lock operations + + MUTEX_NO_SPIN : constant := 0; -- no spin, try once only + MUTEX_SPIN_ONLY : constant := -1; -- spin forever + -- cnt > 0, limited spin + -- Mutex sharing attributes + + MUTEX_SHARED : constant := 0; -- shared between processes + MUTEX_NOTSHARED : constant := 1; -- not shared between processes + + -- Mutex Operations + + 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"); + + -- Condition Initialization / Destruction + + 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"); + + -- Condition Attributes + + COND_PRIORITY : constant := 0; -- wait in priority order + COND_FIFO : constant := 1; -- first-in-first-out + + -- Condition debugging options + + COND_NO_DEBUG : constant := 0; -- no debugging on mutex + COND_DEBUG : constant := 1; -- debugging is on + + -- Condition sharing attributes + + COND_SHARED : constant := 0; -- shared between processes + COND_NOTSHARED : constant := 1; -- not shared between processes + + -- Condition Operations + + 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 struct_timeval) return int; + pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait"); + + -- Thread-Specific Data + + type foo_h_proc_1 is access procedure (value : Address); + + function pthread_key_create + (key : access pthread_key_t; destructor : foo_h_proc_1) return int; + pragma Import (C, pthread_key_create, "pthread_key_create"); + + function pthread_setspecific + (key : pthread_key_t; value : Address) return int; + pragma Import (C, pthread_setspecific, "pthread_setspecific"); + + function pthread_getspecific + (key : pthread_key_t; value : access Address) return int; + pragma Import (C, pthread_getspecific, "pthread_getspecific"); + + type foo_h_proc_2 is access procedure; + + function pthread_exec_begin (init : access pthread_init_struct) return int; + pragma Import (C, pthread_exec_begin, "pthread_exec_begin"); + + function sproc_create + (sproc_id : access sproc_t; + attr : access sproc_attr_t; + start_routine : sproc_start_addr; + arg : Address) return int; + pragma Import (C, sproc_create, "sproc_create"); + + function sproc_self return sproc_t; + pragma Import (C, sproc_self, "sproc_self"); + + -- if equal fast TRUE is returned - common case + -- if not equal thread resource must NOT be null in order to compare bits + + -- + -- Sproc attribute initialize / destroy + -- + + function sproc_attr_init (attr : access sproc_attr_t) return int; + pragma Import (C, sproc_attr_init, "sproc_attr_init"); + + function sproc_attr_destroy (attr : access sproc_attr_t) return int; + pragma Import (C, sproc_attr_destroy, "sproc_attr_destroy"); + + function sproc_attr_setresources + (attr : access sproc_attr_t; resources : resource_t) return int; + pragma Import (C, sproc_attr_setresources, "sproc_attr_setresources"); + + function sproc_attr_getresources + (attr : access sproc_attr_t; + resources : access resource_t) return int; + pragma Import (C, sproc_attr_getresources, "sproc_attr_getresources"); + + function sproc_attr_setcpu + (attr : access sproc_attr_t; cpu_num : int) return int; + pragma Import (C, sproc_attr_setcpu, "sproc_attr_setcpu"); + + function sproc_attr_getcpu + (attr : access sproc_attr_t; cpu_num : access int) return int; + pragma Import (C, sproc_attr_getcpu, "sproc_attr_getcpu"); + + function sproc_attr_setresident + (attr : access sproc_attr_t; resident : int) return int; + pragma Import (C, sproc_attr_setresident, "sproc_attr_setresident"); + + function sproc_attr_getresident + (attr : access sproc_attr_t; resident : access int) return int; + pragma Import (C, sproc_attr_getresident, "sproc_attr_getresident"); + + function sproc_attr_setname + (attr : access sproc_attr_t; name : chars_ptr) return int; + pragma Import (C, sproc_attr_setname, "sproc_attr_setname"); + + function sproc_attr_getname + (attr : access sproc_attr_t; name : chars_ptr) return int; + pragma Import (C, sproc_attr_getname, "sproc_attr_getname"); + + function sproc_attr_setstacksize + (attr : access sproc_attr_t; stacksize : size_t) return int; + pragma Import (C, sproc_attr_setstacksize, "sproc_attr_setstacksize"); + + function sproc_attr_getstacksize + (attr : access sproc_attr_t; stacksize : access size_t) return int; + pragma Import (C, sproc_attr_getstacksize, "sproc_attr_getstacksize"); + + function sproc_attr_setprio + (attr : access sproc_attr_t; priority : int) return int; + pragma Import (C, sproc_attr_setprio, "sproc_attr_setprio"); + + function sproc_attr_getprio + (attr : access sproc_attr_t; priority : access int) return int; + pragma Import (C, sproc_attr_getprio, "sproc_attr_getprio"); + + function sproc_attr_setbthread + (attr : access sproc_attr_t; bthread : ptcb_p) return int; + pragma Import (C, sproc_attr_setbthread, "sproc_attr_setbthread"); + + function sproc_attr_getbthread + (attr : access sproc_attr_t; bthread : access ptcb_p) return int; + pragma Import (C, sproc_attr_getbthread, "sproc_attr_getbthread"); + + SPROC_NO_RESOURCES : constant := 0; + SPROC_ANY_CPU : constant := -1; + SPROC_MY_PRIORITY : constant := -1; + SPROC_SWAPPED : constant := 0; + SPROC_RESIDENT : constant := 1; + + type isr_address is access procedure; + + function intr_attach (sig : int; isr : isr_address) return int; + pragma Import (C, intr_attach, "intr_attach"); + + Intr_Attach_Reset : constant Boolean := False; + -- True if intr_attach is reset after an interrupt handler is called + + function intr_exchange + (sig : int; + isr : isr_address; + oisr : access isr_address) return int; + pragma Import (C, intr_exchange, "intr_exchange"); + + function intr_current_isr + (sig : int; + oisr : access isr_address) + return int; + pragma Import (C, intr_current_isr, "intr_current_isr"); + +private + + type clockid_t is new int; + + CLOCK_REALTIME : constant clockid_t := 1; + CLOCK_SGI_CYCLE : constant clockid_t := 2; + CLOCK_SGI_FAST : constant clockid_t := 3; + + type pthread_t is new Address; -- thread identifier + type pthread_mutex_t is new Address; -- mutex identifier + type pthread_cond_t is new Address; -- cond identifier + type pthread_attr_t is new Address; -- pthread attributes + type pthread_mutexattr_t is new Address; -- mutex attributes + type pthread_condattr_t is new Address; -- mutex attributes + type sem_t is new Address; -- semaphore identifier + type pthread_key_t is new Address; -- per thread key + + type sigbits_t is array (Integer range 0 .. 3) of unsigned; + type sigset_t is record + sigbits : sigbits_t; + end record; + pragma Convention (C, sigset_t); + + type pid_t is new long; + +end System.OS_Interface; 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