|
111
|
1 ------------------------------------------------------------------------------
|
|
|
2 -- --
|
|
|
3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
|
|
|
4 -- --
|
|
|
5 -- S Y S T E M . O S _ I N T E R F A C E --
|
|
|
6 -- --
|
|
|
7 -- S p e c --
|
|
|
8 -- --
|
|
|
9 -- Copyright (C) 1991-2017, Florida State University --
|
|
131
|
10 -- Copyright (C) 1995-2018, Free Software Foundation, Inc. --
|
|
111
|
11 -- --
|
|
|
12 -- GNAT is free software; you can redistribute it and/or modify it under --
|
|
|
13 -- terms of the GNU General Public License as published by the Free Soft- --
|
|
|
14 -- ware Foundation; either version 3, or (at your option) any later ver- --
|
|
|
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
|
|
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
|
|
17 -- or FITNESS FOR A PARTICULAR PURPOSE. --
|
|
|
18 -- --
|
|
|
19 -- As a special exception under Section 7 of GPL version 3, you are granted --
|
|
|
20 -- additional permissions described in the GCC Runtime Library Exception, --
|
|
|
21 -- version 3.1, as published by the Free Software Foundation. --
|
|
|
22 -- --
|
|
|
23 -- You should have received a copy of the GNU General Public License and --
|
|
|
24 -- a copy of the GCC Runtime Library Exception along with this program; --
|
|
|
25 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
|
|
26 -- <http://www.gnu.org/licenses/>. --
|
|
|
27 -- --
|
|
|
28 -- GNARL was developed by the GNARL team at Florida State University. --
|
|
|
29 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
|
|
|
30 -- --
|
|
|
31 ------------------------------------------------------------------------------
|
|
|
32
|
|
|
33 -- This is Darwin pthreads version of this package
|
|
|
34
|
|
|
35 -- This package includes all direct interfaces to OS services that are needed
|
|
|
36 -- by the tasking run-time (libgnarl).
|
|
|
37
|
|
|
38 -- PLEASE DO NOT add any with-clauses to this package or remove the pragma
|
|
|
39 -- Elaborate_Body. It is designed to be a bottom-level (leaf) package.
|
|
|
40
|
|
|
41 with Interfaces.C;
|
|
|
42 with System.OS_Constants;
|
|
|
43
|
|
|
44 package System.OS_Interface is
|
|
|
45 pragma Preelaborate;
|
|
|
46
|
|
|
47 subtype int is Interfaces.C.int;
|
|
|
48 subtype short is Interfaces.C.short;
|
|
|
49 subtype long is Interfaces.C.long;
|
|
|
50 subtype unsigned is Interfaces.C.unsigned;
|
|
|
51 subtype unsigned_short is Interfaces.C.unsigned_short;
|
|
|
52 subtype unsigned_long is Interfaces.C.unsigned_long;
|
|
|
53 subtype unsigned_char is Interfaces.C.unsigned_char;
|
|
|
54 subtype plain_char is Interfaces.C.plain_char;
|
|
|
55 subtype size_t is Interfaces.C.size_t;
|
|
|
56
|
|
|
57 -----------
|
|
|
58 -- Errno --
|
|
|
59 -----------
|
|
|
60
|
|
|
61 function errno return int;
|
|
|
62 pragma Import (C, errno, "__get_errno");
|
|
|
63
|
|
|
64 EINTR : constant := 4;
|
|
|
65 ENOMEM : constant := 12;
|
|
|
66 EINVAL : constant := 22;
|
|
|
67 EAGAIN : constant := 35;
|
|
|
68 ETIMEDOUT : constant := 60;
|
|
|
69
|
|
|
70 -------------
|
|
|
71 -- Signals --
|
|
|
72 -------------
|
|
|
73
|
|
|
74 Max_Interrupt : constant := 31;
|
|
|
75 type Signal is new int range 0 .. Max_Interrupt;
|
|
|
76 for Signal'Size use int'Size;
|
|
|
77
|
|
|
78 SIGHUP : constant := 1; -- hangup
|
|
|
79 SIGINT : constant := 2; -- interrupt (rubout)
|
|
|
80 SIGQUIT : constant := 3; -- quit (ASCD FS)
|
|
|
81 SIGILL : constant := 4; -- illegal instruction (not reset)
|
|
|
82 SIGTRAP : constant := 5; -- trace trap (not reset)
|
|
|
83 SIGIOT : constant := 6; -- IOT instruction
|
|
|
84 SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
|
|
|
85 SIGEMT : constant := 7; -- EMT instruction
|
|
|
86 SIGFPE : constant := 8; -- floating point exception
|
|
|
87 SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
|
|
|
88 SIGBUS : constant := 10; -- bus error
|
|
|
89 SIGSEGV : constant := 11; -- segmentation violation
|
|
|
90 SIGSYS : constant := 12; -- bad argument to system call
|
|
|
91 SIGPIPE : constant := 13; -- write on a pipe with no one to read it
|
|
|
92 SIGALRM : constant := 14; -- alarm clock
|
|
|
93 SIGTERM : constant := 15; -- software termination signal from kill
|
|
|
94 SIGURG : constant := 16; -- urgent condition on IO channel
|
|
|
95 SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
|
|
|
96 SIGTSTP : constant := 18; -- user stop requested from tty
|
|
|
97 SIGCONT : constant := 19; -- stopped process has been continued
|
|
|
98 SIGCHLD : constant := 20; -- child status change
|
|
|
99 SIGTTIN : constant := 21; -- background tty read attempted
|
|
|
100 SIGTTOU : constant := 22; -- background tty write attempted
|
|
|
101 SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias)
|
|
|
102 SIGXCPU : constant := 24; -- CPU time limit exceeded
|
|
|
103 SIGXFSZ : constant := 25; -- filesize limit exceeded
|
|
|
104 SIGVTALRM : constant := 26; -- virtual timer expired
|
|
|
105 SIGPROF : constant := 27; -- profiling timer expired
|
|
|
106 SIGWINCH : constant := 28; -- window size change
|
|
|
107 SIGINFO : constant := 29; -- information request
|
|
|
108 SIGUSR1 : constant := 30; -- user defined signal 1
|
|
|
109 SIGUSR2 : constant := 31; -- user defined signal 2
|
|
|
110
|
|
|
111 SIGADAABORT : constant := SIGABRT;
|
|
|
112 -- Change this if you want to use another signal for task abort.
|
|
|
113 -- SIGTERM might be a good one.
|
|
|
114
|
|
|
115 type Signal_Set is array (Natural range <>) of Signal;
|
|
|
116
|
|
|
117 Unmasked : constant Signal_Set :=
|
|
|
118 (SIGTTIN, SIGTTOU, SIGSTOP, SIGTSTP);
|
|
|
119
|
|
|
120 Reserved : constant Signal_Set :=
|
|
|
121 (SIGKILL, SIGSTOP);
|
|
|
122
|
|
|
123 Exception_Signals : constant Signal_Set :=
|
|
|
124 (SIGFPE, SIGILL, SIGSEGV, SIGBUS);
|
|
|
125 -- These signals (when runtime or system) will be caught and converted
|
|
|
126 -- into an Ada exception.
|
|
|
127
|
|
|
128 type sigset_t is private;
|
|
|
129
|
|
|
130 function sigaddset (set : access sigset_t; sig : Signal) return int;
|
|
|
131 pragma Import (C, sigaddset, "sigaddset");
|
|
|
132
|
|
|
133 function sigdelset (set : access sigset_t; sig : Signal) return int;
|
|
|
134 pragma Import (C, sigdelset, "sigdelset");
|
|
|
135
|
|
|
136 function sigfillset (set : access sigset_t) return int;
|
|
|
137 pragma Import (C, sigfillset, "sigfillset");
|
|
|
138
|
|
|
139 function sigismember (set : access sigset_t; sig : Signal) return int;
|
|
|
140 pragma Import (C, sigismember, "sigismember");
|
|
|
141
|
|
|
142 function sigemptyset (set : access sigset_t) return int;
|
|
|
143 pragma Import (C, sigemptyset, "sigemptyset");
|
|
|
144
|
|
|
145 type siginfo_t is private;
|
|
|
146 type ucontext_t is private;
|
|
|
147
|
|
|
148 type Signal_Handler is access procedure
|
|
|
149 (signo : Signal;
|
|
|
150 info : access siginfo_t;
|
|
|
151 context : access ucontext_t);
|
|
|
152
|
|
|
153 type struct_sigaction is record
|
|
|
154 sa_handler : System.Address;
|
|
|
155 sa_mask : sigset_t;
|
|
|
156 sa_flags : int;
|
|
|
157 end record;
|
|
|
158 pragma Convention (C, struct_sigaction);
|
|
|
159 type struct_sigaction_ptr is access all struct_sigaction;
|
|
|
160
|
|
|
161 SIG_BLOCK : constant := 1;
|
|
|
162 SIG_UNBLOCK : constant := 2;
|
|
|
163 SIG_SETMASK : constant := 3;
|
|
|
164
|
|
|
165 SIG_DFL : constant := 0;
|
|
|
166 SIG_IGN : constant := 1;
|
|
|
167
|
|
|
168 SA_SIGINFO : constant := 16#0040#;
|
|
|
169 SA_ONSTACK : constant := 16#0001#;
|
|
|
170
|
|
|
171 function sigaction
|
|
|
172 (sig : Signal;
|
|
|
173 act : struct_sigaction_ptr;
|
|
|
174 oact : struct_sigaction_ptr) return int;
|
|
|
175 pragma Import (C, sigaction, "sigaction");
|
|
|
176
|
|
|
177 ----------
|
|
|
178 -- Time --
|
|
|
179 ----------
|
|
|
180
|
|
|
181 Time_Slice_Supported : constant Boolean := True;
|
|
|
182 -- Indicates whether time slicing is supported
|
|
|
183
|
|
|
184 type timespec is private;
|
|
|
185
|
|
|
186 type clockid_t is new int;
|
|
|
187
|
|
|
188 function clock_gettime
|
|
|
189 (clock_id : clockid_t;
|
|
|
190 tp : access timespec) return int;
|
|
|
191
|
|
|
192 function clock_getres
|
|
|
193 (clock_id : clockid_t;
|
|
|
194 res : access timespec) return int;
|
|
|
195
|
|
|
196 function To_Duration (TS : timespec) return Duration;
|
|
|
197 pragma Inline (To_Duration);
|
|
|
198
|
|
|
199 function To_Timespec (D : Duration) return timespec;
|
|
|
200 pragma Inline (To_Timespec);
|
|
|
201
|
|
|
202 -------------------------
|
|
|
203 -- Priority Scheduling --
|
|
|
204 -------------------------
|
|
|
205
|
|
|
206 SCHED_OTHER : constant := 1;
|
|
|
207 SCHED_RR : constant := 2;
|
|
|
208 SCHED_FIFO : constant := 4;
|
|
|
209
|
|
|
210 function To_Target_Priority
|
|
|
211 (Prio : System.Any_Priority) return Interfaces.C.int;
|
|
|
212 -- Maps System.Any_Priority to a POSIX priority
|
|
|
213
|
|
|
214 -------------
|
|
|
215 -- Process --
|
|
|
216 -------------
|
|
|
217
|
|
|
218 type pid_t is private;
|
|
|
219
|
|
|
220 function kill (pid : pid_t; sig : Signal) return int;
|
|
|
221 pragma Import (C, kill, "kill");
|
|
|
222
|
|
|
223 function getpid return pid_t;
|
|
|
224 pragma Import (C, getpid, "getpid");
|
|
|
225
|
|
|
226 ---------
|
|
|
227 -- LWP --
|
|
|
228 ---------
|
|
|
229
|
|
|
230 function lwp_self return System.Address;
|
|
|
231 pragma Import (C, lwp_self, "__gnat_lwp_self");
|
|
|
232 -- Return the mach thread bound to the current thread. The value is not
|
|
|
233 -- used by the run-time library but made available to debuggers.
|
|
|
234
|
|
|
235 -------------
|
|
|
236 -- Threads --
|
|
|
237 -------------
|
|
|
238
|
|
|
239 type Thread_Body is access
|
|
|
240 function (arg : System.Address) return System.Address;
|
|
|
241 pragma Convention (C, Thread_Body);
|
|
|
242
|
|
|
243 type pthread_t is private;
|
|
|
244 subtype Thread_Id is pthread_t;
|
|
|
245
|
|
|
246 type pthread_mutex_t is limited private;
|
|
|
247 type pthread_cond_t is limited private;
|
|
|
248 type pthread_attr_t is limited private;
|
|
|
249 type pthread_mutexattr_t is limited private;
|
|
|
250 type pthread_condattr_t is limited private;
|
|
|
251 type pthread_key_t is private;
|
|
|
252
|
|
|
253 type pthread_mutex_ptr is access all pthread_mutex_t;
|
|
|
254 type pthread_cond_ptr is access all pthread_cond_t;
|
|
|
255
|
|
|
256 PTHREAD_CREATE_DETACHED : constant := 2;
|
|
|
257
|
|
|
258 PTHREAD_SCOPE_PROCESS : constant := 2;
|
|
|
259 PTHREAD_SCOPE_SYSTEM : constant := 1;
|
|
|
260
|
|
|
261 -- Read/Write lock not supported on Darwin. To add support both types
|
|
|
262 -- pthread_rwlock_t and pthread_rwlockattr_t must properly be defined
|
|
|
263 -- with the associated routines pthread_rwlock_[init/destroy] and
|
|
|
264 -- pthread_rwlock_[rdlock/wrlock/unlock].
|
|
|
265
|
|
|
266 subtype pthread_rwlock_t is pthread_mutex_t;
|
|
|
267 subtype pthread_rwlockattr_t is pthread_mutexattr_t;
|
|
|
268
|
|
|
269 -----------
|
|
|
270 -- Stack --
|
|
|
271 -----------
|
|
|
272
|
|
|
273 type stack_t is record
|
|
|
274 ss_sp : System.Address;
|
|
|
275 ss_size : size_t;
|
|
|
276 ss_flags : int;
|
|
|
277 end record;
|
|
|
278 pragma Convention (C, stack_t);
|
|
|
279
|
|
|
280 function sigaltstack
|
|
|
281 (ss : not null access stack_t;
|
|
|
282 oss : access stack_t) return int;
|
|
|
283 pragma Import (C, sigaltstack, "sigaltstack");
|
|
|
284
|
|
|
285 Alternate_Stack : aliased System.Address;
|
|
|
286 pragma Import (C, Alternate_Stack, "__gnat_alternate_stack");
|
|
|
287 -- The alternate signal stack for stack overflows
|
|
|
288
|
|
|
289 Alternate_Stack_Size : constant := 32 * 1024;
|
|
|
290 -- This must be in keeping with init.c:__gnat_alternate_stack
|
|
|
291
|
|
|
292 Stack_Base_Available : constant Boolean := False;
|
|
|
293 -- Indicates whether the stack base is available on this target. This
|
|
|
294 -- allows us to share s-osinte.adb between all the FSU run time. Note that
|
|
|
295 -- this value can only be true if pthread_t has a complete definition that
|
|
|
296 -- corresponds exactly to the C header files.
|
|
|
297
|
|
|
298 function Get_Stack_Base (thread : pthread_t) return System.Address;
|
|
|
299 pragma Inline (Get_Stack_Base);
|
|
|
300 -- returns the stack base of the specified thread. Only call this function
|
|
|
301 -- when Stack_Base_Available is True.
|
|
|
302
|
|
|
303 function Get_Page_Size return int;
|
|
|
304 pragma Import (C, Get_Page_Size, "getpagesize");
|
|
|
305 -- Returns the size of a page
|
|
|
306
|
|
|
307 PROT_NONE : constant := 0;
|
|
|
308 PROT_READ : constant := 1;
|
|
|
309 PROT_WRITE : constant := 2;
|
|
|
310 PROT_EXEC : constant := 4;
|
|
|
311 PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
|
|
|
312
|
|
|
313 PROT_ON : constant := PROT_NONE;
|
|
|
314 PROT_OFF : constant := PROT_ALL;
|
|
|
315
|
|
|
316 function mprotect
|
|
|
317 (addr : System.Address;
|
|
|
318 len : size_t;
|
|
|
319 prot : int) return int;
|
|
|
320 pragma Import (C, mprotect);
|
|
|
321
|
|
|
322 ---------------------------------------
|
|
|
323 -- Nonstandard Thread Initialization --
|
|
|
324 ---------------------------------------
|
|
|
325
|
|
|
326 procedure pthread_init;
|
|
|
327
|
|
|
328 -------------------------
|
|
|
329 -- POSIX.1c Section 3 --
|
|
|
330 -------------------------
|
|
|
331
|
|
|
332 function sigwait (set : access sigset_t; sig : access Signal) return int;
|
|
|
333 pragma Import (C, sigwait, "sigwait");
|
|
|
334
|
|
|
335 function pthread_kill (thread : pthread_t; sig : Signal) return int;
|
|
|
336 pragma Import (C, pthread_kill, "pthread_kill");
|
|
|
337
|
|
|
338 function pthread_sigmask
|
|
|
339 (how : int;
|
|
|
340 set : access sigset_t;
|
|
|
341 oset : access sigset_t) return int;
|
|
|
342 pragma Import (C, pthread_sigmask, "pthread_sigmask");
|
|
|
343
|
|
|
344 --------------------------
|
|
|
345 -- POSIX.1c Section 11 --
|
|
|
346 --------------------------
|
|
|
347
|
|
|
348 function pthread_mutexattr_init
|
|
|
349 (attr : access pthread_mutexattr_t) return int;
|
|
|
350 pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
|
|
|
351
|
|
|
352 function pthread_mutexattr_destroy
|
|
|
353 (attr : access pthread_mutexattr_t) return int;
|
|
|
354 pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
|
|
|
355
|
|
|
356 function pthread_mutex_init
|
|
|
357 (mutex : access pthread_mutex_t;
|
|
|
358 attr : access pthread_mutexattr_t) return int;
|
|
|
359 pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
|
|
|
360
|
|
|
361 function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
|
|
|
362 pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
|
|
|
363
|
|
|
364 function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
|
|
|
365 pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
|
|
|
366
|
|
|
367 function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
|
|
|
368 pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
|
|
|
369
|
|
|
370 function pthread_condattr_init
|
|
|
371 (attr : access pthread_condattr_t) return int;
|
|
|
372 pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
|
|
|
373
|
|
|
374 function pthread_condattr_destroy
|
|
|
375 (attr : access pthread_condattr_t) return int;
|
|
|
376 pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
|
|
|
377
|
|
|
378 function pthread_cond_init
|
|
|
379 (cond : access pthread_cond_t;
|
|
|
380 attr : access pthread_condattr_t) return int;
|
|
|
381 pragma Import (C, pthread_cond_init, "pthread_cond_init");
|
|
|
382
|
|
|
383 function pthread_cond_destroy (cond : access pthread_cond_t) return int;
|
|
|
384 pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
|
|
|
385
|
|
|
386 function pthread_cond_signal (cond : access pthread_cond_t) return int;
|
|
|
387 pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
|
|
|
388
|
|
|
389 function pthread_cond_wait
|
|
|
390 (cond : access pthread_cond_t;
|
|
|
391 mutex : access pthread_mutex_t) return int;
|
|
|
392 pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
|
|
|
393
|
|
|
394 function pthread_cond_timedwait
|
|
|
395 (cond : access pthread_cond_t;
|
|
|
396 mutex : access pthread_mutex_t;
|
|
|
397 abstime : access timespec) return int;
|
|
|
398 pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
|
|
|
399
|
|
|
400 --------------------------
|
|
|
401 -- POSIX.1c Section 13 --
|
|
|
402 --------------------------
|
|
|
403
|
|
|
404 PTHREAD_PRIO_NONE : constant := 0;
|
|
|
405 PTHREAD_PRIO_INHERIT : constant := 1;
|
|
|
406 PTHREAD_PRIO_PROTECT : constant := 2;
|
|
|
407
|
|
|
408 function pthread_mutexattr_setprotocol
|
|
|
409 (attr : access pthread_mutexattr_t;
|
|
|
410 protocol : int) return int;
|
|
|
411 pragma Import
|
|
|
412 (C, pthread_mutexattr_setprotocol, "pthread_mutexattr_setprotocol");
|
|
|
413
|
|
|
414 function pthread_mutexattr_setprioceiling
|
|
|
415 (attr : access pthread_mutexattr_t;
|
|
|
416 prioceiling : int) return int;
|
|
|
417 pragma Import
|
|
|
418 (C, pthread_mutexattr_setprioceiling,
|
|
|
419 "pthread_mutexattr_setprioceiling");
|
|
|
420
|
|
|
421 type padding is array (int range <>) of Interfaces.C.char;
|
|
|
422
|
|
|
423 type struct_sched_param is record
|
|
|
424 sched_priority : int; -- scheduling priority
|
|
|
425 opaque : padding (1 .. 4);
|
|
|
426 end record;
|
|
|
427 pragma Convention (C, struct_sched_param);
|
|
|
428
|
|
|
429 function pthread_setschedparam
|
|
|
430 (thread : pthread_t;
|
|
|
431 policy : int;
|
|
|
432 param : access struct_sched_param) return int;
|
|
|
433 pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
|
|
|
434
|
|
|
435 function pthread_attr_setscope
|
|
|
436 (attr : access pthread_attr_t;
|
|
|
437 contentionscope : int) return int;
|
|
|
438 pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
|
|
|
439
|
|
|
440 function pthread_attr_setinheritsched
|
|
|
441 (attr : access pthread_attr_t;
|
|
|
442 inheritsched : int) return int;
|
|
|
443 pragma Import
|
|
|
444 (C, pthread_attr_setinheritsched, "pthread_attr_setinheritsched");
|
|
|
445
|
|
|
446 function pthread_attr_setschedpolicy
|
|
|
447 (attr : access pthread_attr_t;
|
|
|
448 policy : int) return int;
|
|
|
449 pragma Import (C, pthread_attr_setschedpolicy, "pthread_attr_setsched");
|
|
|
450
|
|
|
451 function sched_yield return int;
|
|
|
452
|
|
|
453 ---------------------------
|
|
|
454 -- P1003.1c - Section 16 --
|
|
|
455 ---------------------------
|
|
|
456
|
|
|
457 function pthread_attr_init (attributes : access pthread_attr_t) return int;
|
|
|
458 pragma Import (C, pthread_attr_init, "pthread_attr_init");
|
|
|
459
|
|
|
460 function pthread_attr_destroy
|
|
|
461 (attributes : access pthread_attr_t) return int;
|
|
|
462 pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
|
|
|
463
|
|
|
464 function pthread_attr_setdetachstate
|
|
|
465 (attr : access pthread_attr_t;
|
|
|
466 detachstate : int) return int;
|
|
|
467 pragma Import
|
|
|
468 (C, pthread_attr_setdetachstate, "pthread_attr_setdetachstate");
|
|
|
469
|
|
|
470 function pthread_attr_setstacksize
|
|
|
471 (attr : access pthread_attr_t;
|
|
|
472 stacksize : size_t) return int;
|
|
|
473 pragma Import
|
|
|
474 (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
|
|
|
475
|
|
|
476 function pthread_create
|
|
|
477 (thread : access pthread_t;
|
|
|
478 attributes : access pthread_attr_t;
|
|
|
479 start_routine : Thread_Body;
|
|
|
480 arg : System.Address) return int;
|
|
|
481 pragma Import (C, pthread_create, "pthread_create");
|
|
|
482
|
|
|
483 procedure pthread_exit (status : System.Address);
|
|
|
484 pragma Import (C, pthread_exit, "pthread_exit");
|
|
|
485
|
|
|
486 function pthread_self return pthread_t;
|
|
|
487 pragma Import (C, pthread_self, "pthread_self");
|
|
|
488
|
|
|
489 --------------------------
|
|
|
490 -- POSIX.1c Section 17 --
|
|
|
491 --------------------------
|
|
|
492
|
|
|
493 function pthread_setspecific
|
|
|
494 (key : pthread_key_t;
|
|
|
495 value : System.Address) return int;
|
|
|
496 pragma Import (C, pthread_setspecific, "pthread_setspecific");
|
|
|
497
|
|
|
498 function pthread_getspecific (key : pthread_key_t) return System.Address;
|
|
|
499 pragma Import (C, pthread_getspecific, "pthread_getspecific");
|
|
|
500
|
|
|
501 type destructor_pointer is access procedure (arg : System.Address);
|
|
|
502 pragma Convention (C, destructor_pointer);
|
|
|
503
|
|
|
504 function pthread_key_create
|
|
|
505 (key : access pthread_key_t;
|
|
|
506 destructor : destructor_pointer) return int;
|
|
|
507 pragma Import (C, pthread_key_create, "pthread_key_create");
|
|
|
508
|
|
|
509 private
|
|
|
510
|
|
|
511 type sigset_t is new unsigned;
|
|
|
512
|
|
|
513 type int32_t is new int;
|
|
|
514
|
|
|
515 type pid_t is new int32_t;
|
|
|
516
|
|
|
517 type time_t is new long;
|
|
|
518
|
|
|
519 type timespec is record
|
|
|
520 tv_sec : time_t;
|
|
|
521 tv_nsec : long;
|
|
|
522 end record;
|
|
|
523 pragma Convention (C, timespec);
|
|
|
524
|
|
|
525 --
|
|
|
526 -- Darwin specific signal implementation
|
|
|
527 --
|
|
|
528 type Pad_Type is array (1 .. 7) of unsigned_long;
|
|
|
529 type siginfo_t is record
|
|
|
530 si_signo : int; -- signal number
|
|
|
531 si_errno : int; -- errno association
|
|
|
532 si_code : int; -- signal code
|
|
|
533 si_pid : int; -- sending process
|
|
|
534 si_uid : unsigned; -- sender's ruid
|
|
|
535 si_status : int; -- exit value
|
|
|
536 si_addr : System.Address; -- faulting instruction
|
|
|
537 si_value : System.Address; -- signal value
|
|
|
538 si_band : long; -- band event for SIGPOLL
|
|
|
539 pad : Pad_Type; -- RFU
|
|
|
540 end record;
|
|
|
541 pragma Convention (C, siginfo_t);
|
|
|
542
|
|
|
543 type mcontext_t is new System.Address;
|
|
|
544
|
|
|
545 type ucontext_t is record
|
|
|
546 uc_onstack : int;
|
|
|
547 uc_sigmask : sigset_t; -- Signal Mask Used By This Context
|
|
|
548 uc_stack : stack_t; -- Stack Used By This Context
|
|
|
549 uc_link : System.Address; -- Pointer To Resuming Context
|
|
|
550 uc_mcsize : size_t; -- Size of The Machine Context
|
|
|
551 uc_mcontext : mcontext_t; -- Machine Specific Context
|
|
|
552 end record;
|
|
|
553 pragma Convention (C, ucontext_t);
|
|
|
554
|
|
|
555 --
|
|
|
556 -- Darwin specific pthread implementation
|
|
|
557 --
|
|
|
558 type pthread_t is new System.Address;
|
|
|
559
|
|
|
560 type pthread_attr_t is record
|
|
|
561 sig : long;
|
|
|
562 opaque : padding (1 .. System.OS_Constants.PTHREAD_ATTR_SIZE);
|
|
|
563 end record;
|
|
|
564 pragma Convention (C, pthread_attr_t);
|
|
|
565
|
|
|
566 type pthread_mutexattr_t is record
|
|
|
567 sig : long;
|
|
|
568 opaque : padding (1 .. System.OS_Constants.PTHREAD_MUTEXATTR_SIZE);
|
|
|
569 end record;
|
|
|
570 pragma Convention (C, pthread_mutexattr_t);
|
|
|
571
|
|
|
572 type pthread_mutex_t is record
|
|
|
573 sig : long;
|
|
|
574 opaque : padding (1 .. System.OS_Constants.PTHREAD_MUTEX_SIZE);
|
|
|
575 end record;
|
|
|
576 pragma Convention (C, pthread_mutex_t);
|
|
|
577
|
|
|
578 type pthread_condattr_t is record
|
|
|
579 sig : long;
|
|
|
580 opaque : padding (1 .. System.OS_Constants.PTHREAD_CONDATTR_SIZE);
|
|
|
581 end record;
|
|
|
582 pragma Convention (C, pthread_condattr_t);
|
|
|
583
|
|
|
584 type pthread_cond_t is record
|
|
|
585 sig : long;
|
|
|
586 opaque : padding (1 .. System.OS_Constants.PTHREAD_COND_SIZE);
|
|
|
587 end record;
|
|
|
588 pragma Convention (C, pthread_cond_t);
|
|
|
589
|
|
|
590 type pthread_once_t is record
|
|
|
591 sig : long;
|
|
|
592 opaque : padding (1 .. System.OS_Constants.PTHREAD_ONCE_SIZE);
|
|
|
593 end record;
|
|
|
594 pragma Convention (C, pthread_once_t);
|
|
|
595
|
|
|
596 type pthread_key_t is new unsigned_long;
|
|
|
597
|
|
|
598 end System.OS_Interface;
|
