| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 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. -- |
| -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- 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; |