git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9a1ba7 PMR |
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 | -- -- | |
| cccef051 | 9 | -- Copyright (C) 1995-2023, 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; | |
| 175c2f98 | 43 | with System.Parameters; |
| 8d9a1ba7 PMR |
44 | |
| 45 | package System.OS_Interface is | |
| 46 | pragma Preelaborate; | |
| 47 | ||
| 48 | subtype int is Interfaces.C.int; | |
| 49 | subtype char is Interfaces.C.char; | |
| 50 | subtype short is Interfaces.C.short; | |
| 51 | subtype long is Interfaces.C.long; | |
| 52 | subtype unsigned is Interfaces.C.unsigned; | |
| 53 | subtype unsigned_short is Interfaces.C.unsigned_short; | |
| 54 | subtype unsigned_long is Interfaces.C.unsigned_long; | |
| 55 | subtype unsigned_char is Interfaces.C.unsigned_char; | |
| 56 | subtype plain_char is Interfaces.C.plain_char; | |
| 57 | subtype size_t is Interfaces.C.size_t; | |
| 58 | ||
| 59 | ----------- | |
| 60 | -- Errno -- | |
| 61 | ----------- | |
| 62 | ||
| 63 | function errno return int; | |
| 64 | pragma Import (C, errno, "__get_errno"); | |
| 65 | ||
| 66 | EPERM : constant := 1; | |
| 67 | EINTR : constant := 4; | |
| 68 | EAGAIN : constant := 11; | |
| 69 | ENOMEM : constant := 12; | |
| 70 | EINVAL : constant := 22; | |
| 71 | ETIMEDOUT : constant := 260; | |
| 72 | ||
| 73 | ------------- | |
| 74 | -- Signals -- | |
| 75 | ------------- | |
| 76 | ||
| 77 | Max_Interrupt : constant := 64; | |
| 78 | type Signal is new int range 0 .. Max_Interrupt; | |
| 79 | for Signal'Size use int'Size; | |
| 80 | ||
| 81 | SIGHUP : constant := 1; | |
| 82 | SIGINT : constant := 2; | |
| 83 | SIGQUIT : constant := 3; | |
| 84 | SIGILL : constant := 4; | |
| 85 | SIGTRAP : constant := 5; | |
| 86 | SIGIOT : constant := 6; | |
| 87 | SIGABRT : constant := 6; | |
| 88 | SIGDEADLK : constant := 7; | |
| 89 | SIGFPE : constant := 8; | |
| 90 | SIGKILL : constant := 9; | |
| 91 | SIGBUS : constant := 10; | |
| 92 | SIGSEGV : constant := 11; | |
| 93 | SIGSYS : constant := 12; | |
| 94 | SIGPIPE : constant := 13; | |
| 95 | SIGALRM : constant := 14; | |
| 96 | SIGTERM : constant := 15; | |
| 97 | SIGUSR1 : constant := 16; | |
| 98 | SIGUSR2 : constant := 17; | |
| 99 | SIGCLD : constant := 18; | |
| 100 | SIGCHLD : constant := 18; | |
| 101 | SIGPWR : constant := 19; | |
| 102 | SIGWINCH : constant := 20; | |
| 103 | SIGURG : constant := 21; | |
| 104 | SIGPOLL : constant := 22; | |
| 105 | SIGIO : constant := 22; | |
| 106 | SIGSTOP : constant := 23; | |
| 107 | SIGTSTP : constant := 24; | |
| 108 | SIGCONT : constant := 25; | |
| 109 | SIGTTIN : constant := 26; | |
| 110 | SIGTTOU : constant := 27; | |
| 111 | SIGVTALRM : constant := 28; | |
| 112 | SIGPROF : constant := 29; | |
| 113 | SIGXCPU : constant := 30; | |
| 114 | SIGXFSZ : constant := 31; | |
| 115 | ||
| 116 | SIGRTMIN : constant := 41; | |
| 117 | SITRTMAX : constant := 56; | |
| 118 | ||
| 119 | SIGSELECT : constant := 57; | |
| 120 | SIGPHOTON : constant := 58; | |
| 121 | ||
| 122 | SIGADAABORT : constant := SIGABRT; | |
| 123 | -- Change this to use another signal for task abort. SIGTERM might be a | |
| 124 | -- good one. | |
| 125 | ||
| 126 | type Signal_Set is array (Natural range <>) of Signal; | |
| 127 | ||
| 128 | Unmasked : constant Signal_Set := ( | |
| 129 | SIGTRAP, | |
| 130 | -- To enable debugging on multithreaded applications, mark SIGTRAP to | |
| 131 | -- be kept unmasked. | |
| 132 | ||
| 133 | SIGBUS, | |
| 134 | ||
| 135 | SIGTTIN, SIGTTOU, SIGTSTP, | |
| 136 | -- Keep these three signals unmasked so that background processes and IO | |
| 137 | -- behaves as normal "C" applications | |
| 138 | ||
| 139 | SIGPROF, | |
| 140 | -- To avoid confusing the profiler | |
| 141 | ||
| 142 | SIGKILL, SIGSTOP); | |
| 143 | -- These two signals actually can't be masked (POSIX won't allow it) | |
| 144 | ||
| 3ec54569 | 145 | Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGSEGV); |
| 8d9a1ba7 PMR |
146 | |
| 147 | type sigset_t is private; | |
| 148 | ||
| 149 | function sigaddset (set : access sigset_t; sig : Signal) return int; | |
| 150 | pragma Import (C, sigaddset, "sigaddset"); | |
| 151 | ||
| 152 | function sigdelset (set : access sigset_t; sig : Signal) return int; | |
| 153 | pragma Import (C, sigdelset, "sigdelset"); | |
| 154 | ||
| 155 | function sigfillset (set : access sigset_t) return int; | |
| 156 | pragma Import (C, sigfillset, "sigfillset"); | |
| 157 | ||
| 158 | function sigismember (set : access sigset_t; sig : Signal) return int; | |
| 159 | pragma Import (C, sigismember, "sigismember"); | |
| 160 | ||
| 161 | function sigemptyset (set : access sigset_t) return int; | |
| 162 | pragma Import (C, sigemptyset, "sigemptyset"); | |
| 163 | ||
| 3ec54569 | 164 | type pad7 is array (1 .. 7) of int; |
| 8d9a1ba7 PMR |
165 | type siginfo_t is record |
| 166 | si_signo : int; | |
| 167 | si_code : int; | |
| 168 | si_errno : int; | |
| 3ec54569 | 169 | X_data : pad7; |
| 8d9a1ba7 PMR |
170 | end record; |
| 171 | pragma Convention (C, siginfo_t); | |
| 172 | ||
| 173 | type struct_sigaction is record | |
| 174 | sa_handler : System.Address; | |
| 3ec54569 | 175 | sa_flags : int; |
| 8d9a1ba7 PMR |
176 | sa_mask : sigset_t; |
| 177 | end record; | |
| 178 | pragma Convention (C, struct_sigaction); | |
| 179 | ||
| 180 | type struct_sigaction_ptr is access all struct_sigaction; | |
| 181 | ||
| 182 | SIG_BLOCK : constant := 0; | |
| 183 | SIG_UNBLOCK : constant := 1; | |
| 184 | SIG_SETMASK : constant := 2; | |
| 185 | SIG_PENDING : constant := 5; | |
| 186 | ||
| 187 | SA_NOCLDSTOP : constant := 16#0001#; | |
| 188 | SA_SIGINFO : constant := 16#0002#; | |
| 189 | SA_RESETHAND : constant := 16#0004#; | |
| 190 | SA_ONSTACK : constant := 16#0008#; | |
| 191 | SA_NODEFER : constant := 16#0010#; | |
| 192 | SA_NOCLDWAIT : constant := 16#0020#; | |
| 193 | ||
| 194 | SS_ONSTACK : constant := 1; | |
| 195 | SS_DISABLE : constant := 2; | |
| 196 | ||
| 197 | SIG_DFL : constant := 0; | |
| 198 | SIG_IGN : constant := 1; | |
| 199 | ||
| 200 | function sigaction | |
| 201 | (sig : Signal; | |
| 202 | act : struct_sigaction_ptr; | |
| 203 | oact : struct_sigaction_ptr) return int; | |
| 204 | pragma Import (C, sigaction, "sigaction"); | |
| 205 | ||
| 206 | ---------- | |
| 207 | -- Time -- | |
| 208 | ---------- | |
| 209 | ||
| 210 | Time_Slice_Supported : constant Boolean := True; | |
| 211 | -- Indicates whether time slicing is supported | |
| 212 | ||
| 213 | type timespec is private; | |
| 214 | ||
| 215 | type clockid_t is new int; | |
| 216 | ||
| 217 | function clock_gettime | |
| 218 | (clock_id : clockid_t; tp : access timespec) return int; | |
| 219 | pragma Import (C, clock_gettime, "clock_gettime"); | |
| 220 | ||
| 221 | function clock_getres | |
| 222 | (clock_id : clockid_t; | |
| 223 | res : access timespec) return int; | |
| 224 | pragma Import (C, clock_getres, "clock_getres"); | |
| 225 | ||
| 226 | function To_Duration (TS : timespec) return Duration; | |
| 227 | pragma Inline (To_Duration); | |
| 228 | ||
| 229 | function To_Timespec (D : Duration) return timespec; | |
| 230 | pragma Inline (To_Timespec); | |
| 231 | ||
| 8d9a1ba7 PMR |
232 | ------------------------- |
| 233 | -- Priority Scheduling -- | |
| 234 | ------------------------- | |
| 235 | ||
| 8d9a1ba7 PMR |
236 | SCHED_FIFO : constant := 1; |
| 237 | SCHED_RR : constant := 2; | |
| 3ec54569 | 238 | SCHED_OTHER : constant := 3; |
| 8d9a1ba7 PMR |
239 | |
| 240 | function To_Target_Priority | |
| 241 | (Prio : System.Any_Priority) return Interfaces.C.int | |
| 242 | with Inline_Always; | |
| 243 | -- Maps System.Any_Priority to a POSIX priority | |
| 244 | ||
| 245 | ------------- | |
| 246 | -- Process -- | |
| 247 | ------------- | |
| 248 | ||
| 249 | type pid_t is private; | |
| 250 | ||
| 251 | function kill (pid : pid_t; sig : Signal) return int; | |
| 252 | pragma Import (C, kill, "kill"); | |
| 253 | ||
| 254 | function getpid return pid_t; | |
| 255 | pragma Import (C, getpid, "getpid"); | |
| 256 | ||
| 257 | ------------- | |
| 258 | -- Threads -- | |
| 259 | ------------- | |
| 260 | ||
| 261 | type Thread_Body is access | |
| 262 | function (arg : System.Address) return System.Address; | |
| 263 | pragma Convention (C, Thread_Body); | |
| 264 | ||
| 265 | function Thread_Body_Access is new | |
| 266 | Ada.Unchecked_Conversion (System.Address, Thread_Body); | |
| 267 | ||
| 3ec54569 | 268 | type pthread_t is new int; |
| 8d9a1ba7 PMR |
269 | subtype Thread_Id is pthread_t; |
| 270 | ||
| 8d9a1ba7 PMR |
271 | type pthread_mutex_t is limited private; |
| 272 | type pthread_cond_t is limited private; | |
| 273 | type pthread_attr_t is limited private; | |
| 274 | type pthread_mutexattr_t is limited private; | |
| 275 | type pthread_condattr_t is limited private; | |
| 276 | type pthread_key_t is private; | |
| 277 | ||
| 278 | PTHREAD_CREATE_DETACHED : constant := 1; | |
| 279 | ||
| 3ec54569 PMR |
280 | PTHREAD_SCOPE_PROCESS : constant := 4; |
| 281 | PTHREAD_SCOPE_SYSTEM : constant := 0; | |
| 282 | ||
| 283 | PTHREAD_INHERIT_SCHED : constant := 0; | |
| 284 | PTHREAD_EXPLICIT_SCHED : constant := 2; | |
| 8d9a1ba7 PMR |
285 | |
| 286 | -- Read/Write lock not supported on Android. | |
| 287 | ||
| 288 | subtype pthread_rwlock_t is pthread_mutex_t; | |
| 289 | subtype pthread_rwlockattr_t is pthread_mutexattr_t; | |
| 290 | ||
| 291 | ----------- | |
| 292 | -- Stack -- | |
| 293 | ----------- | |
| 294 | ||
| 295 | type stack_t is record | |
| 296 | ss_sp : System.Address; | |
| 297 | ss_flags : int; | |
| 298 | ss_size : size_t; | |
| 299 | end record; | |
| 300 | pragma Convention (C, stack_t); | |
| 301 | ||
| 302 | function sigaltstack | |
| 303 | (ss : not null access stack_t; | |
| 3ec54569 | 304 | oss : access stack_t) return int |
| 3f89eb7f | 305 | with Inline; |
| 3ec54569 | 306 | -- Not supported on QNX |
| 8d9a1ba7 PMR |
307 | |
| 308 | Alternate_Stack : aliased System.Address; | |
| 309 | -- Dummy definition: alternate stack not available due to missing | |
| 3ec54569 | 310 | -- sigaltstack in QNX |
| 8d9a1ba7 PMR |
311 | |
| 312 | Alternate_Stack_Size : constant := 0; | |
| ff7aeceb | 313 | -- This must be kept in sync with init.c:__gnat_alternate_stack |
| 8d9a1ba7 PMR |
314 | |
| 315 | Stack_Base_Available : constant Boolean := False; | |
| 316 | -- Indicates whether the stack base is available on this target | |
| 317 | ||
| 318 | function Get_Stack_Base (thread : pthread_t) return System.Address | |
| 3f89eb7f | 319 | with Inline; |
| 8d9a1ba7 PMR |
320 | -- This is a dummy procedure to share some GNULLI files |
| 321 | ||
| 322 | function Get_Page_Size return int; | |
| 323 | pragma Import (C, Get_Page_Size, "getpagesize"); | |
| 324 | -- Returns the size of a page | |
| 325 | ||
| 3ec54569 PMR |
326 | PROT_NONE : constant := 16#00_00#; |
| 327 | PROT_READ : constant := 16#01_00#; | |
| 328 | PROT_WRITE : constant := 16#02_00#; | |
| 329 | PROT_EXEC : constant := 16#04_00#; | |
| 8d9a1ba7 PMR |
330 | PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC; |
| 331 | PROT_ON : constant := PROT_READ; | |
| 332 | PROT_OFF : constant := PROT_ALL; | |
| 333 | ||
| 334 | function mprotect (addr : Address; len : size_t; prot : int) return int; | |
| 335 | pragma Import (C, mprotect); | |
| 336 | ||
| 337 | --------------------------------------- | |
| 338 | -- Nonstandard Thread Initialization -- | |
| 339 | --------------------------------------- | |
| 340 | ||
| 341 | procedure pthread_init with Inline_Always; | |
| 342 | ||
| 343 | ------------------------- | |
| 344 | -- POSIX.1c Section 3 -- | |
| 345 | ------------------------- | |
| 346 | ||
| 347 | function sigwait (set : access sigset_t; sig : access Signal) return int; | |
| 348 | pragma Import (C, sigwait, "sigwait"); | |
| 349 | ||
| 350 | function pthread_kill (thread : pthread_t; sig : Signal) return int; | |
| 351 | pragma Import (C, pthread_kill, "pthread_kill"); | |
| 352 | ||
| 353 | function pthread_sigmask | |
| 354 | (how : int; | |
| 355 | set : access sigset_t; | |
| 356 | oset : access sigset_t) return int; | |
| 3ec54569 | 357 | pragma Import (C, pthread_sigmask, "pthread_sigmask"); |
| 8d9a1ba7 PMR |
358 | |
| 359 | -------------------------- | |
| 360 | -- POSIX.1c Section 11 -- | |
| 361 | -------------------------- | |
| 362 | ||
| 363 | function pthread_mutexattr_init | |
| 364 | (attr : access pthread_mutexattr_t) return int; | |
| 365 | pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init"); | |
| 366 | ||
| 367 | function pthread_mutexattr_destroy | |
| 368 | (attr : access pthread_mutexattr_t) return int; | |
| 369 | pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy"); | |
| 370 | ||
| 371 | function pthread_mutex_init | |
| 372 | (mutex : access pthread_mutex_t; | |
| 373 | attr : access pthread_mutexattr_t) return int; | |
| 374 | pragma Import (C, pthread_mutex_init, "pthread_mutex_init"); | |
| 375 | ||
| 376 | function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int; | |
| 377 | pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy"); | |
| 378 | ||
| 379 | function pthread_mutex_lock (mutex : access pthread_mutex_t) return int; | |
| 380 | pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock"); | |
| 381 | ||
| 382 | function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int; | |
| 383 | pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock"); | |
| 384 | ||
| 3ec54569 PMR |
385 | function pthread_mutex_setprioceiling |
| 386 | (mutex : access pthread_mutex_t; | |
| 387 | prioceiling : int; | |
| 388 | old_ceiling : access int) return int; | |
| 389 | pragma Import (C, pthread_mutex_setprioceiling); | |
| 390 | ||
| 8d9a1ba7 PMR |
391 | function pthread_condattr_init |
| 392 | (attr : access pthread_condattr_t) return int; | |
| 393 | pragma Import (C, pthread_condattr_init, "pthread_condattr_init"); | |
| 394 | ||
| 395 | function pthread_condattr_destroy | |
| 396 | (attr : access pthread_condattr_t) return int; | |
| 397 | pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy"); | |
| 398 | ||
| 399 | function pthread_cond_init | |
| 400 | (cond : access pthread_cond_t; | |
| 401 | attr : access pthread_condattr_t) return int; | |
| 402 | pragma Import (C, pthread_cond_init, "pthread_cond_init"); | |
| 403 | ||
| 404 | function pthread_cond_destroy (cond : access pthread_cond_t) return int; | |
| 405 | pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy"); | |
| 406 | ||
| 407 | function pthread_cond_signal (cond : access pthread_cond_t) return int; | |
| 408 | pragma Import (C, pthread_cond_signal, "pthread_cond_signal"); | |
| 409 | ||
| 410 | function pthread_cond_wait | |
| 411 | (cond : access pthread_cond_t; | |
| 412 | mutex : access pthread_mutex_t) return int; | |
| 413 | pragma Import (C, pthread_cond_wait, "pthread_cond_wait"); | |
| 414 | ||
| 415 | function pthread_cond_timedwait | |
| 416 | (cond : access pthread_cond_t; | |
| 417 | mutex : access pthread_mutex_t; | |
| 418 | abstime : access timespec) return int; | |
| 419 | pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait"); | |
| 420 | ||
| 8d9a1ba7 PMR |
421 | -------------------------- |
| 422 | -- POSIX.1c Section 13 -- | |
| 423 | -------------------------- | |
| 424 | ||
| d0567dc0 PMR |
425 | PTHREAD_PRIO_INHERIT : constant := 0; |
| 426 | PTHREAD_PRIO_NONE : constant := 1; | |
| 427 | PTHREAD_PRIO_PROTECT : constant := 2; | |
| 8d9a1ba7 PMR |
428 | |
| 429 | function pthread_mutexattr_setprotocol | |
| 430 | (attr : access pthread_mutexattr_t; | |
| 3ec54569 PMR |
431 | protocol : int) return int; |
| 432 | pragma Import (C, pthread_mutexattr_setprotocol); | |
| 433 | ||
| 434 | function pthread_mutexattr_getprotocol | |
| 435 | (attr : access pthread_mutexattr_t; | |
| 436 | protocol : access int) return int; | |
| 437 | pragma Import (C, pthread_mutexattr_getprotocol); | |
| 8d9a1ba7 PMR |
438 | |
| 439 | function pthread_mutexattr_setprioceiling | |
| 440 | (attr : access pthread_mutexattr_t; | |
| 3ec54569 PMR |
441 | prioceiling : int) return int; |
| 442 | pragma Import (C, pthread_mutexattr_setprioceiling); | |
| 443 | ||
| 444 | function pthread_mutexattr_getprioceiling | |
| 445 | (attr : access pthread_mutexattr_t; | |
| 446 | prioceiling : access int) return int; | |
| 447 | pragma Import (C, pthread_mutexattr_getprioceiling); | |
| 448 | ||
| 449 | function pthread_mutex_getprioceiling | |
| 450 | (attr : access pthread_mutex_t; | |
| 451 | prioceiling : access int) return int; | |
| 452 | pragma Import (C, pthread_mutex_getprioceiling); | |
| 453 | ||
| 454 | type pad8 is array (1 .. 8) of int; | |
| 455 | pragma Convention (C, pad8); | |
| 8d9a1ba7 PMR |
456 | |
| 457 | type struct_sched_param is record | |
| 3ec54569 PMR |
458 | sched_priority : int := 0; -- scheduling priority |
| 459 | sched_curpriority : int := 0; | |
| 460 | reserved : pad8 := (others => 0); | |
| 8d9a1ba7 PMR |
461 | end record; |
| 462 | pragma Convention (C, struct_sched_param); | |
| 463 | ||
| 464 | function pthread_setschedparam | |
| 465 | (thread : pthread_t; | |
| 466 | policy : int; | |
| 467 | param : access struct_sched_param) return int; | |
| 468 | pragma Import (C, pthread_setschedparam, "pthread_setschedparam"); | |
| 469 | ||
| 3ec54569 PMR |
470 | function pthread_getschedparam |
| 471 | (thread : pthread_t; | |
| 472 | policy : access int; | |
| 473 | param : access struct_sched_param) return int; | |
| 474 | pragma Import (C, pthread_getschedparam, "pthread_getschedparam"); | |
| 475 | ||
| 476 | function pthread_setschedprio | |
| 477 | (thread : pthread_t; | |
| 478 | priority : int) return int; | |
| 479 | pragma Import (C, pthread_setschedprio); | |
| 480 | ||
| 481 | function pthread_attr_setschedparam | |
| 482 | (attr : access pthread_attr_t; | |
| 483 | param : access struct_sched_param) return int; | |
| 484 | pragma Import (C, pthread_attr_setschedparam); | |
| 485 | ||
| 486 | function pthread_attr_setinheritsched | |
| 487 | (attr : access pthread_attr_t; | |
| 488 | inheritsched : int) return int; | |
| 489 | pragma Import (C, pthread_attr_setinheritsched); | |
| 490 | ||
| 8d9a1ba7 PMR |
491 | function pthread_attr_setscope |
| 492 | (attr : access pthread_attr_t; | |
| 493 | scope : int) return int; | |
| 494 | pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope"); | |
| 495 | ||
| 496 | function pthread_attr_setschedpolicy | |
| 497 | (attr : access pthread_attr_t; | |
| 498 | policy : int) return int; | |
| 499 | pragma Import | |
| 500 | (C, pthread_attr_setschedpolicy, "pthread_attr_setschedpolicy"); | |
| 501 | ||
| 502 | function sched_yield return int; | |
| 503 | pragma Import (C, sched_yield, "sched_yield"); | |
| 504 | ||
| 505 | --------------------------- | |
| 506 | -- P1003.1c - Section 16 -- | |
| 507 | --------------------------- | |
| 508 | ||
| 509 | function pthread_attr_init | |
| 510 | (attributes : access pthread_attr_t) return int; | |
| 511 | pragma Import (C, pthread_attr_init, "pthread_attr_init"); | |
| 512 | ||
| 513 | function pthread_attr_destroy | |
| 514 | (attributes : access pthread_attr_t) return int; | |
| 515 | pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy"); | |
| 516 | ||
| 517 | function pthread_attr_setdetachstate | |
| 518 | (attr : access pthread_attr_t; | |
| 519 | detachstate : int) return int; | |
| 3ec54569 | 520 | pragma Import (C, pthread_attr_setdetachstate); |
| 8d9a1ba7 PMR |
521 | |
| 522 | function pthread_attr_setstacksize | |
| 523 | (attr : access pthread_attr_t; | |
| 524 | stacksize : size_t) return int; | |
| 3ec54569 | 525 | pragma Import (C, pthread_attr_setstacksize); |
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526 | |
| 527 | function pthread_create | |
| 528 | (thread : access pthread_t; | |
| 529 | attributes : access pthread_attr_t; | |
| 530 | start_routine : Thread_Body; | |
| 531 | arg : System.Address) return int; | |
| 532 | pragma Import (C, pthread_create, "pthread_create"); | |
| 533 | ||
| 534 | procedure pthread_exit (status : System.Address); | |
| 535 | pragma Import (C, pthread_exit, "pthread_exit"); | |
| 536 | ||
| 537 | function pthread_self return pthread_t; | |
| 538 | pragma Import (C, pthread_self, "pthread_self"); | |
| 539 | ||
| 540 | function lwp_self return System.Address; | |
| 541 | pragma Import (C, lwp_self, "pthread_self"); | |
| 542 | ||
| 543 | -------------------------- | |
| 544 | -- POSIX.1c Section 17 -- | |
| 545 | -------------------------- | |
| 546 | ||
| 547 | function pthread_setspecific | |
| 548 | (key : pthread_key_t; | |
| 549 | value : System.Address) return int; | |
| 550 | pragma Import (C, pthread_setspecific, "pthread_setspecific"); | |
| 551 | ||
| 552 | function pthread_getspecific (key : pthread_key_t) return System.Address; | |
| 553 | pragma Import (C, pthread_getspecific, "pthread_getspecific"); | |
| 554 | ||
| 555 | type destructor_pointer is access procedure (arg : System.Address); | |
| 556 | pragma Convention (C, destructor_pointer); | |
| 557 | ||
| 558 | function pthread_key_create | |
| 559 | (key : access pthread_key_t; | |
| 560 | destructor : destructor_pointer) return int; | |
| 561 | pragma Import (C, pthread_key_create, "pthread_key_create"); | |
| 562 | ||
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563 | private |
| 564 | ||
| d874abd8 DR |
565 | type sigset_t is |
| 566 | array (0 .. OS_Constants.SIZEOF_sigset - 1) of unsigned_char; | |
| 8d9a1ba7 | 567 | pragma Convention (C, sigset_t); |
| d874abd8 | 568 | for sigset_t'Alignment use Interfaces.C.unsigned_long'Alignment; |
| 8d9a1ba7 PMR |
569 | |
| 570 | type pid_t is new int; | |
| 571 | ||
| 175c2f98 DR |
572 | type time_t is range -2 ** (System.Parameters.time_t_bits - 1) |
| 573 | .. 2 ** (System.Parameters.time_t_bits - 1) - 1; | |
| 8d9a1ba7 PMR |
574 | |
| 575 | type timespec is record | |
| 576 | tv_sec : time_t; | |
| 577 | tv_nsec : long; | |
| 578 | end record; | |
| 579 | pragma Convention (C, timespec); | |
| 580 | ||
| 581 | type unsigned_long_long_t is mod 2 ** 64; | |
| 582 | -- Local type only used to get the alignment of this type below | |
| 583 | ||
| 584 | subtype char_array is Interfaces.C.char_array; | |
| 585 | ||
| 586 | type pthread_attr_t is record | |
| 587 | Data : char_array (1 .. OS_Constants.PTHREAD_ATTR_SIZE); | |
| 588 | end record; | |
| 589 | pragma Convention (C, pthread_attr_t); | |
| 590 | for pthread_attr_t'Alignment use Interfaces.C.unsigned_long'Alignment; | |
| 591 | ||
| 592 | type pthread_condattr_t is record | |
| 593 | Data : char_array (1 .. OS_Constants.PTHREAD_CONDATTR_SIZE); | |
| 594 | end record; | |
| 595 | pragma Convention (C, pthread_condattr_t); | |
| 596 | for pthread_condattr_t'Alignment use Interfaces.C.int'Alignment; | |
| 597 | ||
| 598 | type pthread_mutexattr_t is record | |
| 599 | Data : char_array (1 .. OS_Constants.PTHREAD_MUTEXATTR_SIZE); | |
| 7385cd35 | 600 | end record; |
| 8d9a1ba7 PMR |
601 | pragma Convention (C, pthread_mutexattr_t); |
| 602 | for pthread_mutexattr_t'Alignment use Interfaces.C.int'Alignment; | |
| 603 | ||
| 604 | type pthread_mutex_t is record | |
| 605 | Data : char_array (1 .. OS_Constants.PTHREAD_MUTEX_SIZE); | |
| 606 | end record; | |
| 607 | pragma Convention (C, pthread_mutex_t); | |
| 608 | for pthread_mutex_t'Alignment use Interfaces.C.unsigned_long'Alignment; | |
| 609 | ||
| 610 | type pthread_cond_t is record | |
| 611 | Data : char_array (1 .. OS_Constants.PTHREAD_COND_SIZE); | |
| 612 | end record; | |
| 613 | pragma Convention (C, pthread_cond_t); | |
| 614 | for pthread_cond_t'Alignment use unsigned_long_long_t'Alignment; | |
| 615 | ||
| 3ec54569 | 616 | type pthread_key_t is new int; |
| 8d9a1ba7 PMR |
617 | |
| 618 | end System.OS_Interface; |