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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 | -- -- | |
4b490c1e | 9 | -- Copyright (C) 1995-2020, Free Software Foundation, Inc. -- |
8d9a1ba7 PMR |
10 | -- -- |
11 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
12 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
14 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
15 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
17 | -- -- | |
18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
19 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
20 | -- version 3.1, as published by the Free Software Foundation. -- | |
21 | -- -- | |
22 | -- You should have received a copy of the GNU General Public License and -- | |
23 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
25 | -- <http://www.gnu.org/licenses/>. -- | |
26 | -- -- | |
27 | -- GNARL was developed by the GNARL team at Florida State University. -- | |
28 | -- Extensive contributions were provided by Ada Core Technologies, Inc. -- | |
29 | -- -- | |
30 | ------------------------------------------------------------------------------ | |
31 | ||
32 | -- This is a QNX/Neutrino version of this package | |
33 | ||
34 | -- This package encapsulates all direct interfaces to OS services | |
35 | -- that are needed by the tasking run-time (libgnarl). | |
36 | ||
37 | -- PLEASE DO NOT add any with-clauses to this package or remove the pragma | |
38 | -- Preelaborate. This package is designed to be a bottom-level (leaf) package. | |
39 | ||
40 | with Ada.Unchecked_Conversion; | |
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 char is Interfaces.C.char; | |
49 | subtype short is Interfaces.C.short; | |
50 | subtype long is Interfaces.C.long; | |
51 | subtype unsigned is Interfaces.C.unsigned; | |
52 | subtype unsigned_short is Interfaces.C.unsigned_short; | |
53 | subtype unsigned_long is Interfaces.C.unsigned_long; | |
54 | subtype unsigned_char is Interfaces.C.unsigned_char; | |
55 | subtype plain_char is Interfaces.C.plain_char; | |
56 | subtype size_t is Interfaces.C.size_t; | |
57 | ||
58 | ----------- | |
59 | -- Errno -- | |
60 | ----------- | |
61 | ||
62 | function errno return int; | |
63 | pragma Import (C, errno, "__get_errno"); | |
64 | ||
65 | EPERM : constant := 1; | |
66 | EINTR : constant := 4; | |
67 | EAGAIN : constant := 11; | |
68 | ENOMEM : constant := 12; | |
69 | EINVAL : constant := 22; | |
70 | ETIMEDOUT : constant := 260; | |
71 | ||
72 | ------------- | |
73 | -- Signals -- | |
74 | ------------- | |
75 | ||
76 | Max_Interrupt : constant := 64; | |
77 | type Signal is new int range 0 .. Max_Interrupt; | |
78 | for Signal'Size use int'Size; | |
79 | ||
80 | SIGHUP : constant := 1; | |
81 | SIGINT : constant := 2; | |
82 | SIGQUIT : constant := 3; | |
83 | SIGILL : constant := 4; | |
84 | SIGTRAP : constant := 5; | |
85 | SIGIOT : constant := 6; | |
86 | SIGABRT : constant := 6; | |
87 | SIGDEADLK : constant := 7; | |
88 | SIGFPE : constant := 8; | |
89 | SIGKILL : constant := 9; | |
90 | SIGBUS : constant := 10; | |
91 | SIGSEGV : constant := 11; | |
92 | SIGSYS : constant := 12; | |
93 | SIGPIPE : constant := 13; | |
94 | SIGALRM : constant := 14; | |
95 | SIGTERM : constant := 15; | |
96 | SIGUSR1 : constant := 16; | |
97 | SIGUSR2 : constant := 17; | |
98 | SIGCLD : constant := 18; | |
99 | SIGCHLD : constant := 18; | |
100 | SIGPWR : constant := 19; | |
101 | SIGWINCH : constant := 20; | |
102 | SIGURG : constant := 21; | |
103 | SIGPOLL : constant := 22; | |
104 | SIGIO : constant := 22; | |
105 | SIGSTOP : constant := 23; | |
106 | SIGTSTP : constant := 24; | |
107 | SIGCONT : constant := 25; | |
108 | SIGTTIN : constant := 26; | |
109 | SIGTTOU : constant := 27; | |
110 | SIGVTALRM : constant := 28; | |
111 | SIGPROF : constant := 29; | |
112 | SIGXCPU : constant := 30; | |
113 | SIGXFSZ : constant := 31; | |
114 | ||
115 | SIGRTMIN : constant := 41; | |
116 | SITRTMAX : constant := 56; | |
117 | ||
118 | SIGSELECT : constant := 57; | |
119 | SIGPHOTON : constant := 58; | |
120 | ||
121 | SIGADAABORT : constant := SIGABRT; | |
122 | -- Change this to use another signal for task abort. SIGTERM might be a | |
123 | -- good one. | |
124 | ||
125 | type Signal_Set is array (Natural range <>) of Signal; | |
126 | ||
127 | Unmasked : constant Signal_Set := ( | |
128 | SIGTRAP, | |
129 | -- To enable debugging on multithreaded applications, mark SIGTRAP to | |
130 | -- be kept unmasked. | |
131 | ||
132 | SIGBUS, | |
133 | ||
134 | SIGTTIN, SIGTTOU, SIGTSTP, | |
135 | -- Keep these three signals unmasked so that background processes and IO | |
136 | -- behaves as normal "C" applications | |
137 | ||
138 | SIGPROF, | |
139 | -- To avoid confusing the profiler | |
140 | ||
141 | SIGKILL, SIGSTOP); | |
142 | -- These two signals actually can't be masked (POSIX won't allow it) | |
143 | ||
3ec54569 | 144 | Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGSEGV); |
8d9a1ba7 PMR |
145 | |
146 | type sigset_t is private; | |
147 | ||
148 | function sigaddset (set : access sigset_t; sig : Signal) return int; | |
149 | pragma Import (C, sigaddset, "sigaddset"); | |
150 | ||
151 | function sigdelset (set : access sigset_t; sig : Signal) return int; | |
152 | pragma Import (C, sigdelset, "sigdelset"); | |
153 | ||
154 | function sigfillset (set : access sigset_t) return int; | |
155 | pragma Import (C, sigfillset, "sigfillset"); | |
156 | ||
157 | function sigismember (set : access sigset_t; sig : Signal) return int; | |
158 | pragma Import (C, sigismember, "sigismember"); | |
159 | ||
160 | function sigemptyset (set : access sigset_t) return int; | |
161 | pragma Import (C, sigemptyset, "sigemptyset"); | |
162 | ||
3ec54569 | 163 | type pad7 is array (1 .. 7) of int; |
8d9a1ba7 PMR |
164 | type siginfo_t is record |
165 | si_signo : int; | |
166 | si_code : int; | |
167 | si_errno : int; | |
3ec54569 | 168 | X_data : pad7; |
8d9a1ba7 PMR |
169 | end record; |
170 | pragma Convention (C, siginfo_t); | |
171 | ||
172 | type struct_sigaction is record | |
173 | sa_handler : System.Address; | |
3ec54569 | 174 | sa_flags : int; |
8d9a1ba7 PMR |
175 | sa_mask : sigset_t; |
176 | end record; | |
177 | pragma Convention (C, struct_sigaction); | |
178 | ||
179 | type struct_sigaction_ptr is access all struct_sigaction; | |
180 | ||
181 | SIG_BLOCK : constant := 0; | |
182 | SIG_UNBLOCK : constant := 1; | |
183 | SIG_SETMASK : constant := 2; | |
184 | SIG_PENDING : constant := 5; | |
185 | ||
186 | SA_NOCLDSTOP : constant := 16#0001#; | |
187 | SA_SIGINFO : constant := 16#0002#; | |
188 | SA_RESETHAND : constant := 16#0004#; | |
189 | SA_ONSTACK : constant := 16#0008#; | |
190 | SA_NODEFER : constant := 16#0010#; | |
191 | SA_NOCLDWAIT : constant := 16#0020#; | |
192 | ||
193 | SS_ONSTACK : constant := 1; | |
194 | SS_DISABLE : constant := 2; | |
195 | ||
196 | SIG_DFL : constant := 0; | |
197 | SIG_IGN : constant := 1; | |
198 | ||
199 | function sigaction | |
200 | (sig : Signal; | |
201 | act : struct_sigaction_ptr; | |
202 | oact : struct_sigaction_ptr) return int; | |
203 | pragma Import (C, sigaction, "sigaction"); | |
204 | ||
205 | ---------- | |
206 | -- Time -- | |
207 | ---------- | |
208 | ||
209 | Time_Slice_Supported : constant Boolean := True; | |
210 | -- Indicates whether time slicing is supported | |
211 | ||
212 | type timespec is private; | |
213 | ||
214 | type clockid_t is new int; | |
215 | ||
216 | function clock_gettime | |
217 | (clock_id : clockid_t; tp : access timespec) return int; | |
218 | pragma Import (C, clock_gettime, "clock_gettime"); | |
219 | ||
220 | function clock_getres | |
221 | (clock_id : clockid_t; | |
222 | res : access timespec) return int; | |
223 | pragma Import (C, clock_getres, "clock_getres"); | |
224 | ||
225 | function To_Duration (TS : timespec) return Duration; | |
226 | pragma Inline (To_Duration); | |
227 | ||
228 | function To_Timespec (D : Duration) return timespec; | |
229 | pragma Inline (To_Timespec); | |
230 | ||
8d9a1ba7 PMR |
231 | ------------------------- |
232 | -- Priority Scheduling -- | |
233 | ------------------------- | |
234 | ||
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235 | SCHED_FIFO : constant := 1; |
236 | SCHED_RR : constant := 2; | |
3ec54569 | 237 | SCHED_OTHER : constant := 3; |
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238 | |
239 | function To_Target_Priority | |
240 | (Prio : System.Any_Priority) return Interfaces.C.int | |
241 | with Inline_Always; | |
242 | -- Maps System.Any_Priority to a POSIX priority | |
243 | ||
244 | ------------- | |
245 | -- Process -- | |
246 | ------------- | |
247 | ||
248 | type pid_t is private; | |
249 | ||
250 | function kill (pid : pid_t; sig : Signal) return int; | |
251 | pragma Import (C, kill, "kill"); | |
252 | ||
253 | function getpid return pid_t; | |
254 | pragma Import (C, getpid, "getpid"); | |
255 | ||
256 | ------------- | |
257 | -- Threads -- | |
258 | ------------- | |
259 | ||
260 | type Thread_Body is access | |
261 | function (arg : System.Address) return System.Address; | |
262 | pragma Convention (C, Thread_Body); | |
263 | ||
264 | function Thread_Body_Access is new | |
265 | Ada.Unchecked_Conversion (System.Address, Thread_Body); | |
266 | ||
3ec54569 | 267 | type pthread_t is new int; |
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268 | subtype Thread_Id is pthread_t; |
269 | ||
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270 | type pthread_mutex_t is limited private; |
271 | type pthread_cond_t is limited private; | |
272 | type pthread_attr_t is limited private; | |
273 | type pthread_mutexattr_t is limited private; | |
274 | type pthread_condattr_t is limited private; | |
275 | type pthread_key_t is private; | |
276 | ||
277 | PTHREAD_CREATE_DETACHED : constant := 1; | |
278 | ||
3ec54569 PMR |
279 | PTHREAD_SCOPE_PROCESS : constant := 4; |
280 | PTHREAD_SCOPE_SYSTEM : constant := 0; | |
281 | ||
282 | PTHREAD_INHERIT_SCHED : constant := 0; | |
283 | PTHREAD_EXPLICIT_SCHED : constant := 2; | |
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284 | |
285 | -- Read/Write lock not supported on Android. | |
286 | ||
287 | subtype pthread_rwlock_t is pthread_mutex_t; | |
288 | subtype pthread_rwlockattr_t is pthread_mutexattr_t; | |
289 | ||
290 | ----------- | |
291 | -- Stack -- | |
292 | ----------- | |
293 | ||
294 | type stack_t is record | |
295 | ss_sp : System.Address; | |
296 | ss_flags : int; | |
297 | ss_size : size_t; | |
298 | end record; | |
299 | pragma Convention (C, stack_t); | |
300 | ||
301 | function sigaltstack | |
302 | (ss : not null access stack_t; | |
3ec54569 | 303 | oss : access stack_t) return int |
3f89eb7f | 304 | with Inline; |
3ec54569 | 305 | -- Not supported on QNX |
8d9a1ba7 PMR |
306 | |
307 | Alternate_Stack : aliased System.Address; | |
308 | -- Dummy definition: alternate stack not available due to missing | |
3ec54569 | 309 | -- sigaltstack in QNX |
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310 | |
311 | Alternate_Stack_Size : constant := 0; | |
3ec54569 | 312 | -- This must be kept in sync with init.c:__gnat_alternate_stack |
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313 | |
314 | Stack_Base_Available : constant Boolean := False; | |
315 | -- Indicates whether the stack base is available on this target | |
316 | ||
317 | function Get_Stack_Base (thread : pthread_t) return System.Address | |
3f89eb7f | 318 | with Inline; |
8d9a1ba7 PMR |
319 | -- This is a dummy procedure to share some GNULLI files |
320 | ||
321 | function Get_Page_Size return int; | |
322 | pragma Import (C, Get_Page_Size, "getpagesize"); | |
323 | -- Returns the size of a page | |
324 | ||
3ec54569 PMR |
325 | PROT_NONE : constant := 16#00_00#; |
326 | PROT_READ : constant := 16#01_00#; | |
327 | PROT_WRITE : constant := 16#02_00#; | |
328 | PROT_EXEC : constant := 16#04_00#; | |
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329 | PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC; |
330 | PROT_ON : constant := PROT_READ; | |
331 | PROT_OFF : constant := PROT_ALL; | |
332 | ||
333 | function mprotect (addr : Address; len : size_t; prot : int) return int; | |
334 | pragma Import (C, mprotect); | |
335 | ||
336 | --------------------------------------- | |
337 | -- Nonstandard Thread Initialization -- | |
338 | --------------------------------------- | |
339 | ||
340 | procedure pthread_init with Inline_Always; | |
341 | ||
342 | ------------------------- | |
343 | -- POSIX.1c Section 3 -- | |
344 | ------------------------- | |
345 | ||
346 | function sigwait (set : access sigset_t; sig : access Signal) return int; | |
347 | pragma Import (C, sigwait, "sigwait"); | |
348 | ||
349 | function pthread_kill (thread : pthread_t; sig : Signal) return int; | |
350 | pragma Import (C, pthread_kill, "pthread_kill"); | |
351 | ||
352 | function pthread_sigmask | |
353 | (how : int; | |
354 | set : access sigset_t; | |
355 | oset : access sigset_t) return int; | |
3ec54569 | 356 | pragma Import (C, pthread_sigmask, "pthread_sigmask"); |
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357 | |
358 | -------------------------- | |
359 | -- POSIX.1c Section 11 -- | |
360 | -------------------------- | |
361 | ||
362 | function pthread_mutexattr_init | |
363 | (attr : access pthread_mutexattr_t) return int; | |
364 | pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init"); | |
365 | ||
366 | function pthread_mutexattr_destroy | |
367 | (attr : access pthread_mutexattr_t) return int; | |
368 | pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy"); | |
369 | ||
370 | function pthread_mutex_init | |
371 | (mutex : access pthread_mutex_t; | |
372 | attr : access pthread_mutexattr_t) return int; | |
373 | pragma Import (C, pthread_mutex_init, "pthread_mutex_init"); | |
374 | ||
375 | function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int; | |
376 | pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy"); | |
377 | ||
378 | function pthread_mutex_lock (mutex : access pthread_mutex_t) return int; | |
379 | pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock"); | |
380 | ||
381 | function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int; | |
382 | pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock"); | |
383 | ||
3ec54569 PMR |
384 | function pthread_mutex_setprioceiling |
385 | (mutex : access pthread_mutex_t; | |
386 | prioceiling : int; | |
387 | old_ceiling : access int) return int; | |
388 | pragma Import (C, pthread_mutex_setprioceiling); | |
389 | ||
8d9a1ba7 PMR |
390 | function pthread_condattr_init |
391 | (attr : access pthread_condattr_t) return int; | |
392 | pragma Import (C, pthread_condattr_init, "pthread_condattr_init"); | |
393 | ||
394 | function pthread_condattr_destroy | |
395 | (attr : access pthread_condattr_t) return int; | |
396 | pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy"); | |
397 | ||
398 | function pthread_cond_init | |
399 | (cond : access pthread_cond_t; | |
400 | attr : access pthread_condattr_t) return int; | |
401 | pragma Import (C, pthread_cond_init, "pthread_cond_init"); | |
402 | ||
403 | function pthread_cond_destroy (cond : access pthread_cond_t) return int; | |
404 | pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy"); | |
405 | ||
406 | function pthread_cond_signal (cond : access pthread_cond_t) return int; | |
407 | pragma Import (C, pthread_cond_signal, "pthread_cond_signal"); | |
408 | ||
409 | function pthread_cond_wait | |
410 | (cond : access pthread_cond_t; | |
411 | mutex : access pthread_mutex_t) return int; | |
412 | pragma Import (C, pthread_cond_wait, "pthread_cond_wait"); | |
413 | ||
414 | function pthread_cond_timedwait | |
415 | (cond : access pthread_cond_t; | |
416 | mutex : access pthread_mutex_t; | |
417 | abstime : access timespec) return int; | |
418 | pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait"); | |
419 | ||
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420 | -------------------------- |
421 | -- POSIX.1c Section 13 -- | |
422 | -------------------------- | |
423 | ||
d0567dc0 PMR |
424 | PTHREAD_PRIO_INHERIT : constant := 0; |
425 | PTHREAD_PRIO_NONE : constant := 1; | |
426 | PTHREAD_PRIO_PROTECT : constant := 2; | |
8d9a1ba7 PMR |
427 | |
428 | function pthread_mutexattr_setprotocol | |
429 | (attr : access pthread_mutexattr_t; | |
3ec54569 PMR |
430 | protocol : int) return int; |
431 | pragma Import (C, pthread_mutexattr_setprotocol); | |
432 | ||
433 | function pthread_mutexattr_getprotocol | |
434 | (attr : access pthread_mutexattr_t; | |
435 | protocol : access int) return int; | |
436 | pragma Import (C, pthread_mutexattr_getprotocol); | |
8d9a1ba7 PMR |
437 | |
438 | function pthread_mutexattr_setprioceiling | |
439 | (attr : access pthread_mutexattr_t; | |
3ec54569 PMR |
440 | prioceiling : int) return int; |
441 | pragma Import (C, pthread_mutexattr_setprioceiling); | |
442 | ||
443 | function pthread_mutexattr_getprioceiling | |
444 | (attr : access pthread_mutexattr_t; | |
445 | prioceiling : access int) return int; | |
446 | pragma Import (C, pthread_mutexattr_getprioceiling); | |
447 | ||
448 | function pthread_mutex_getprioceiling | |
449 | (attr : access pthread_mutex_t; | |
450 | prioceiling : access int) return int; | |
451 | pragma Import (C, pthread_mutex_getprioceiling); | |
452 | ||
453 | type pad8 is array (1 .. 8) of int; | |
454 | pragma Convention (C, pad8); | |
8d9a1ba7 PMR |
455 | |
456 | type struct_sched_param is record | |
3ec54569 PMR |
457 | sched_priority : int := 0; -- scheduling priority |
458 | sched_curpriority : int := 0; | |
459 | reserved : pad8 := (others => 0); | |
8d9a1ba7 PMR |
460 | end record; |
461 | pragma Convention (C, struct_sched_param); | |
462 | ||
463 | function pthread_setschedparam | |
464 | (thread : pthread_t; | |
465 | policy : int; | |
466 | param : access struct_sched_param) return int; | |
467 | pragma Import (C, pthread_setschedparam, "pthread_setschedparam"); | |
468 | ||
3ec54569 PMR |
469 | function pthread_getschedparam |
470 | (thread : pthread_t; | |
471 | policy : access int; | |
472 | param : access struct_sched_param) return int; | |
473 | pragma Import (C, pthread_getschedparam, "pthread_getschedparam"); | |
474 | ||
475 | function pthread_setschedprio | |
476 | (thread : pthread_t; | |
477 | priority : int) return int; | |
478 | pragma Import (C, pthread_setschedprio); | |
479 | ||
480 | function pthread_attr_setschedparam | |
481 | (attr : access pthread_attr_t; | |
482 | param : access struct_sched_param) return int; | |
483 | pragma Import (C, pthread_attr_setschedparam); | |
484 | ||
485 | function pthread_attr_setinheritsched | |
486 | (attr : access pthread_attr_t; | |
487 | inheritsched : int) return int; | |
488 | pragma Import (C, pthread_attr_setinheritsched); | |
489 | ||
8d9a1ba7 PMR |
490 | function pthread_attr_setscope |
491 | (attr : access pthread_attr_t; | |
492 | scope : int) return int; | |
493 | pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope"); | |
494 | ||
495 | function pthread_attr_setschedpolicy | |
496 | (attr : access pthread_attr_t; | |
497 | policy : int) return int; | |
498 | pragma Import | |
499 | (C, pthread_attr_setschedpolicy, "pthread_attr_setschedpolicy"); | |
500 | ||
501 | function sched_yield return int; | |
502 | pragma Import (C, sched_yield, "sched_yield"); | |
503 | ||
504 | --------------------------- | |
505 | -- P1003.1c - Section 16 -- | |
506 | --------------------------- | |
507 | ||
508 | function pthread_attr_init | |
509 | (attributes : access pthread_attr_t) return int; | |
510 | pragma Import (C, pthread_attr_init, "pthread_attr_init"); | |
511 | ||
512 | function pthread_attr_destroy | |
513 | (attributes : access pthread_attr_t) return int; | |
514 | pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy"); | |
515 | ||
516 | function pthread_attr_setdetachstate | |
517 | (attr : access pthread_attr_t; | |
518 | detachstate : int) return int; | |
3ec54569 | 519 | pragma Import (C, pthread_attr_setdetachstate); |
8d9a1ba7 PMR |
520 | |
521 | function pthread_attr_setstacksize | |
522 | (attr : access pthread_attr_t; | |
523 | stacksize : size_t) return int; | |
3ec54569 | 524 | pragma Import (C, pthread_attr_setstacksize); |
8d9a1ba7 PMR |
525 | |
526 | function pthread_create | |
527 | (thread : access pthread_t; | |
528 | attributes : access pthread_attr_t; | |
529 | start_routine : Thread_Body; | |
530 | arg : System.Address) return int; | |
531 | pragma Import (C, pthread_create, "pthread_create"); | |
532 | ||
533 | procedure pthread_exit (status : System.Address); | |
534 | pragma Import (C, pthread_exit, "pthread_exit"); | |
535 | ||
536 | function pthread_self return pthread_t; | |
537 | pragma Import (C, pthread_self, "pthread_self"); | |
538 | ||
539 | function lwp_self return System.Address; | |
540 | pragma Import (C, lwp_self, "pthread_self"); | |
541 | ||
542 | -------------------------- | |
543 | -- POSIX.1c Section 17 -- | |
544 | -------------------------- | |
545 | ||
546 | function pthread_setspecific | |
547 | (key : pthread_key_t; | |
548 | value : System.Address) return int; | |
549 | pragma Import (C, pthread_setspecific, "pthread_setspecific"); | |
550 | ||
551 | function pthread_getspecific (key : pthread_key_t) return System.Address; | |
552 | pragma Import (C, pthread_getspecific, "pthread_getspecific"); | |
553 | ||
554 | type destructor_pointer is access procedure (arg : System.Address); | |
555 | pragma Convention (C, destructor_pointer); | |
556 | ||
557 | function pthread_key_create | |
558 | (key : access pthread_key_t; | |
559 | destructor : destructor_pointer) return int; | |
560 | pragma Import (C, pthread_key_create, "pthread_key_create"); | |
561 | ||
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562 | private |
563 | ||
3ec54569 | 564 | type sigset_t is array (1 .. 2) of Interfaces.Unsigned_32; |
8d9a1ba7 | 565 | pragma Convention (C, sigset_t); |
8d9a1ba7 PMR |
566 | |
567 | type pid_t is new int; | |
568 | ||
569 | type time_t is new long; | |
570 | ||
571 | type timespec is record | |
572 | tv_sec : time_t; | |
573 | tv_nsec : long; | |
574 | end record; | |
575 | pragma Convention (C, timespec); | |
576 | ||
577 | type unsigned_long_long_t is mod 2 ** 64; | |
578 | -- Local type only used to get the alignment of this type below | |
579 | ||
580 | subtype char_array is Interfaces.C.char_array; | |
581 | ||
582 | type pthread_attr_t is record | |
583 | Data : char_array (1 .. OS_Constants.PTHREAD_ATTR_SIZE); | |
584 | end record; | |
585 | pragma Convention (C, pthread_attr_t); | |
586 | for pthread_attr_t'Alignment use Interfaces.C.unsigned_long'Alignment; | |
587 | ||
588 | type pthread_condattr_t is record | |
589 | Data : char_array (1 .. OS_Constants.PTHREAD_CONDATTR_SIZE); | |
590 | end record; | |
591 | pragma Convention (C, pthread_condattr_t); | |
592 | for pthread_condattr_t'Alignment use Interfaces.C.int'Alignment; | |
593 | ||
594 | type pthread_mutexattr_t is record | |
595 | Data : char_array (1 .. OS_Constants.PTHREAD_MUTEXATTR_SIZE); | |
596 | end record; | |
597 | pragma Convention (C, pthread_mutexattr_t); | |
598 | for pthread_mutexattr_t'Alignment use Interfaces.C.int'Alignment; | |
599 | ||
600 | type pthread_mutex_t is record | |
601 | Data : char_array (1 .. OS_Constants.PTHREAD_MUTEX_SIZE); | |
602 | end record; | |
603 | pragma Convention (C, pthread_mutex_t); | |
604 | for pthread_mutex_t'Alignment use Interfaces.C.unsigned_long'Alignment; | |
605 | ||
606 | type pthread_cond_t is record | |
607 | Data : char_array (1 .. OS_Constants.PTHREAD_COND_SIZE); | |
608 | end record; | |
609 | pragma Convention (C, pthread_cond_t); | |
610 | for pthread_cond_t'Alignment use unsigned_long_long_t'Alignment; | |
611 | ||
3ec54569 | 612 | type pthread_key_t is new int; |
8d9a1ba7 PMR |
613 | |
614 | end System.OS_Interface; |