File : s-osinte-solaris.ads
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) 1991-1994, Florida State University --
10 -- Copyright (C) 1995-2011, Free Software Foundation, Inc. --
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 -- --
20 -- --
21 -- --
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 a Solaris (native) version of this package
34
35 -- This package includes all direct interfaces to OS services
36 -- that are needed by the tasking run-time (libgnarl).
37
38 -- PLEASE DO NOT add any with-clauses to this package or remove the pragma
39 -- Preelaborate. This package is designed to be a bottom-level (leaf) package.
40
41 with Interfaces.C;
42
43 with Ada.Unchecked_Conversion;
44
45 package System.OS_Interface is
46 pragma Preelaborate;
47
48 pragma Linker_Options ("-lposix4");
49 pragma Linker_Options ("-lthread");
50
51 subtype int is Interfaces.C.int;
52 subtype short is Interfaces.C.short;
53 subtype long is Interfaces.C.long;
54 subtype unsigned is Interfaces.C.unsigned;
55 subtype unsigned_short is Interfaces.C.unsigned_short;
56 subtype unsigned_long is Interfaces.C.unsigned_long;
57 subtype unsigned_char is Interfaces.C.unsigned_char;
58 subtype plain_char is Interfaces.C.plain_char;
59 subtype size_t is Interfaces.C.size_t;
60
61 -----------
62 -- Errno --
63 -----------
64
65 function errno return int;
66 pragma Import (C, errno, "__get_errno");
67
68 EAGAIN : constant := 11;
69 EINTR : constant := 4;
70 EINVAL : constant := 22;
71 ENOMEM : constant := 12;
72 ETIME : constant := 62;
73 ETIMEDOUT : constant := 145;
74
75 -------------
76 -- Signals --
77 -------------
78
79 Max_Interrupt : constant := 45;
80 type Signal is new int range 0 .. Max_Interrupt;
81 for Signal'Size use int'Size;
82
83 SIGHUP : constant := 1; -- hangup
84 SIGINT : constant := 2; -- interrupt (rubout)
85 SIGQUIT : constant := 3; -- quit (ASCD FS)
86 SIGILL : constant := 4; -- illegal instruction (not reset)
87 SIGTRAP : constant := 5; -- trace trap (not reset)
88 SIGIOT : constant := 6; -- IOT instruction
89 SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
90 SIGEMT : constant := 7; -- EMT instruction
91 SIGFPE : constant := 8; -- floating point exception
92 SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
93 SIGBUS : constant := 10; -- bus error
94 SIGSEGV : constant := 11; -- segmentation violation
95 SIGSYS : constant := 12; -- bad argument to system call
96 SIGPIPE : constant := 13; -- write on a pipe with no one to read it
97 SIGALRM : constant := 14; -- alarm clock
98 SIGTERM : constant := 15; -- software termination signal from kill
99 SIGUSR1 : constant := 16; -- user defined signal 1
100 SIGUSR2 : constant := 17; -- user defined signal 2
101 SIGCLD : constant := 18; -- alias for SIGCHLD
102 SIGCHLD : constant := 18; -- child status change
103 SIGPWR : constant := 19; -- power-fail restart
104 SIGWINCH : constant := 20; -- window size change
105 SIGURG : constant := 21; -- urgent condition on IO channel
106 SIGPOLL : constant := 22; -- pollable event occurred
107 SIGIO : constant := 22; -- I/O possible (Solaris SIGPOLL alias)
108 SIGSTOP : constant := 23; -- stop (cannot be caught or ignored)
109 SIGTSTP : constant := 24; -- user stop requested from tty
110 SIGCONT : constant := 25; -- stopped process has been continued
111 SIGTTIN : constant := 26; -- background tty read attempted
112 SIGTTOU : constant := 27; -- background tty write attempted
113 SIGVTALRM : constant := 28; -- virtual timer expired
114 SIGPROF : constant := 29; -- profiling timer expired
115 SIGXCPU : constant := 30; -- CPU time limit exceeded
116 SIGXFSZ : constant := 31; -- filesize limit exceeded
117 SIGWAITING : constant := 32; -- process's lwps blocked (Solaris)
118 SIGLWP : constant := 33; -- used by thread library (Solaris)
119 SIGFREEZE : constant := 34; -- used by CPR (Solaris)
120 SIGTHAW : constant := 35; -- used by CPR (Solaris)
121 SIGCANCEL : constant := 36; -- thread cancellation signal (libthread)
122
123 type Signal_Set is array (Natural range <>) of Signal;
124
125 Unmasked : constant Signal_Set := (SIGTRAP, SIGLWP, SIGPROF);
126
127 -- Following signals should not be disturbed.
128 -- See c-posix-signals.c in FLORIST.
129
130 Reserved : constant Signal_Set :=
131 (SIGKILL, SIGSTOP, SIGWAITING, SIGCANCEL, SIGTRAP, SIGSEGV);
132
133 type sigset_t is private;
134
135 function sigaddset (set : access sigset_t; sig : Signal) return int;
136 pragma Import (C, sigaddset, "sigaddset");
137
138 function sigdelset (set : access sigset_t; sig : Signal) return int;
139 pragma Import (C, sigdelset, "sigdelset");
140
141 function sigfillset (set : access sigset_t) return int;
142 pragma Import (C, sigfillset, "sigfillset");
143
144 function sigismember (set : access sigset_t; sig : Signal) return int;
145 pragma Import (C, sigismember, "sigismember");
146
147 function sigemptyset (set : access sigset_t) return int;
148 pragma Import (C, sigemptyset, "sigemptyset");
149
150 type union_type_3 is new String (1 .. 116);
151 type siginfo_t is record
152 si_signo : int;
153 si_code : int;
154 si_errno : int;
155 X_data : union_type_3;
156 end record;
157 pragma Convention (C, siginfo_t);
158
159 -- The types mcontext_t and gregset_t are part of the ucontext_t
160 -- information, which is specific to Solaris2.4 for SPARC
161 -- The ucontext_t info seems to be used by the handler
162 -- for SIGSEGV to decide whether it is a Storage_Error (stack overflow) or
163 -- a Constraint_Error (bad pointer). The original code that did this
164 -- is suspect, so it is not clear whether we really need this part of
165 -- the signal context information, or perhaps something else.
166 -- More analysis is needed, after which these declarations may need to
167 -- be changed.
168
169 type greg_t is new int;
170
171 type gregset_t is array (0 .. 18) of greg_t;
172
173 type union_type_2 is new String (1 .. 128);
174 type record_type_1 is record
175 fpu_fr : union_type_2;
176 fpu_q : System.Address;
177 fpu_fsr : unsigned;
178 fpu_qcnt : unsigned_char;
179 fpu_q_entrysize : unsigned_char;
180 fpu_en : unsigned_char;
181 end record;
182 pragma Convention (C, record_type_1);
183
184 type array_type_7 is array (Integer range 0 .. 20) of long;
185 type mcontext_t is record
186 gregs : gregset_t;
187 gwins : System.Address;
188 fpregs : record_type_1;
189 filler : array_type_7;
190 end record;
191 pragma Convention (C, mcontext_t);
192
193 type record_type_2 is record
194 ss_sp : System.Address;
195 ss_size : int;
196 ss_flags : int;
197 end record;
198 pragma Convention (C, record_type_2);
199
200 type array_type_8 is array (Integer range 0 .. 22) of long;
201 type ucontext_t is record
202 uc_flags : unsigned_long;
203 uc_link : System.Address;
204 uc_sigmask : sigset_t;
205 uc_stack : record_type_2;
206 uc_mcontext : mcontext_t;
207 uc_filler : array_type_8;
208 end record;
209 pragma Convention (C, ucontext_t);
210
211 type Signal_Handler is access procedure
212 (signo : Signal;
213 info : access siginfo_t;
214 context : access ucontext_t);
215
216 type union_type_1 is new plain_char;
217 type array_type_2 is array (Integer range 0 .. 1) of int;
218 type struct_sigaction is record
219 sa_flags : int;
220 sa_handler : System.Address;
221 sa_mask : sigset_t;
222 sa_resv : array_type_2;
223 end record;
224 pragma Convention (C, struct_sigaction);
225 type struct_sigaction_ptr is access all struct_sigaction;
226
227 SIG_BLOCK : constant := 1;
228 SIG_UNBLOCK : constant := 2;
229 SIG_SETMASK : constant := 3;
230
231 SIG_DFL : constant := 0;
232 SIG_IGN : constant := 1;
233
234 function sigaction
235 (sig : Signal;
236 act : struct_sigaction_ptr;
237 oact : struct_sigaction_ptr) return int;
238 pragma Import (C, sigaction, "sigaction");
239
240 ----------
241 -- Time --
242 ----------
243
244 type timespec is private;
245
246 type clockid_t is new int;
247
248 function clock_gettime
249 (clock_id : clockid_t; tp : access timespec) return int;
250 pragma Import (C, clock_gettime, "clock_gettime");
251
252 function clock_getres
253 (clock_id : clockid_t; res : access timespec) return int;
254 pragma Import (C, clock_getres, "clock_getres");
255
256 function To_Duration (TS : timespec) return Duration;
257 pragma Inline (To_Duration);
258
259 function To_Timespec (D : Duration) return timespec;
260 pragma Inline (To_Timespec);
261
262 -------------
263 -- Process --
264 -------------
265
266 type pid_t is private;
267
268 function kill (pid : pid_t; sig : Signal) return int;
269 pragma Import (C, kill, "kill");
270
271 function getpid return pid_t;
272 pragma Import (C, getpid, "getpid");
273
274 -------------
275 -- Threads --
276 -------------
277
278 type Thread_Body is access
279 function (arg : System.Address) return System.Address;
280 pragma Convention (C, Thread_Body);
281
282 function Thread_Body_Access is new
283 Ada.Unchecked_Conversion (System.Address, Thread_Body);
284
285 THR_DETACHED : constant := 64;
286 THR_BOUND : constant := 1;
287 THR_NEW_LWP : constant := 2;
288 USYNC_THREAD : constant := 0;
289
290 type thread_t is new unsigned;
291 subtype Thread_Id is thread_t;
292 -- These types should be commented ???
293
294 function To_thread_t is new Ada.Unchecked_Conversion (Integer, thread_t);
295
296 type mutex_t is limited private;
297
298 type cond_t is limited private;
299
300 type thread_key_t is private;
301
302 function thr_create
303 (stack_base : System.Address;
304 stack_size : size_t;
305 start_routine : Thread_Body;
306 arg : System.Address;
307 flags : int;
308 new_thread : access thread_t) return int;
309 pragma Import (C, thr_create, "thr_create");
310
311 function thr_min_stack return size_t;
312 pragma Import (C, thr_min_stack, "thr_min_stack");
313
314 function thr_self return thread_t;
315 pragma Import (C, thr_self, "thr_self");
316
317 function mutex_init
318 (mutex : access mutex_t;
319 mtype : int;
320 arg : System.Address) return int;
321 pragma Import (C, mutex_init, "mutex_init");
322
323 function mutex_destroy (mutex : access mutex_t) return int;
324 pragma Import (C, mutex_destroy, "mutex_destroy");
325
326 function mutex_lock (mutex : access mutex_t) return int;
327 pragma Import (C, mutex_lock, "mutex_lock");
328
329 function mutex_unlock (mutex : access mutex_t) return int;
330 pragma Import (C, mutex_unlock, "mutex_unlock");
331
332 function cond_init
333 (cond : access cond_t;
334 ctype : int;
335 arg : int) return int;
336 pragma Import (C, cond_init, "cond_init");
337
338 function cond_wait
339 (cond : access cond_t; mutex : access mutex_t) return int;
340 pragma Import (C, cond_wait, "cond_wait");
341
342 function cond_timedwait
343 (cond : access cond_t;
344 mutex : access mutex_t;
345 abstime : access timespec) return int;
346 pragma Import (C, cond_timedwait, "cond_timedwait");
347
348 function cond_signal (cond : access cond_t) return int;
349 pragma Import (C, cond_signal, "cond_signal");
350
351 function cond_destroy (cond : access cond_t) return int;
352 pragma Import (C, cond_destroy, "cond_destroy");
353
354 function thr_setspecific
355 (key : thread_key_t; value : System.Address) return int;
356 pragma Import (C, thr_setspecific, "thr_setspecific");
357
358 function thr_getspecific
359 (key : thread_key_t;
360 value : access System.Address) return int;
361 pragma Import (C, thr_getspecific, "thr_getspecific");
362
363 function thr_keycreate
364 (key : access thread_key_t; destructor : System.Address) return int;
365 pragma Import (C, thr_keycreate, "thr_keycreate");
366
367 function thr_setprio (thread : thread_t; priority : int) return int;
368 pragma Import (C, thr_setprio, "thr_setprio");
369
370 procedure thr_exit (status : System.Address);
371 pragma Import (C, thr_exit, "thr_exit");
372
373 function thr_setconcurrency (new_level : int) return int;
374 pragma Import (C, thr_setconcurrency, "thr_setconcurrency");
375
376 function sigwait (set : access sigset_t; sig : access Signal) return int;
377 pragma Import (C, sigwait, "__posix_sigwait");
378
379 function thr_kill (thread : thread_t; sig : Signal) return int;
380 pragma Import (C, thr_kill, "thr_kill");
381
382 function thr_sigsetmask
383 (how : int;
384 set : access sigset_t;
385 oset : access sigset_t) return int;
386 pragma Import (C, thr_sigsetmask, "thr_sigsetmask");
387
388 function pthread_sigmask
389 (how : int;
390 set : access sigset_t;
391 oset : access sigset_t) return int;
392 pragma Import (C, pthread_sigmask, "thr_sigsetmask");
393
394 function thr_suspend (target_thread : thread_t) return int;
395 pragma Import (C, thr_suspend, "thr_suspend");
396
397 function thr_continue (target_thread : thread_t) return int;
398 pragma Import (C, thr_continue, "thr_continue");
399
400 procedure thr_yield;
401 pragma Import (C, thr_yield, "thr_yield");
402
403 ---------
404 -- LWP --
405 ---------
406
407 P_PID : constant := 0;
408 P_LWPID : constant := 8;
409
410 PC_GETCID : constant := 0;
411 PC_GETCLINFO : constant := 1;
412 PC_SETPARMS : constant := 2;
413 PC_GETPARMS : constant := 3;
414 PC_ADMIN : constant := 4;
415
416 PC_CLNULL : constant := -1;
417
418 RT_NOCHANGE : constant := -1;
419 RT_TQINF : constant := -2;
420 RT_TQDEF : constant := -3;
421
422 PC_CLNMSZ : constant := 16;
423
424 PC_VERSION : constant := 1;
425
426 type lwpid_t is new int;
427
428 type pri_t is new short;
429
430 type id_t is new long;
431
432 P_MYID : constant := -1;
433 -- The specified LWP or process is the current one
434
435 type struct_pcinfo is record
436 pc_cid : id_t;
437 pc_clname : String (1 .. PC_CLNMSZ);
438 rt_maxpri : short;
439 end record;
440 pragma Convention (C, struct_pcinfo);
441
442 type struct_pcparms is record
443 pc_cid : id_t;
444 rt_pri : pri_t;
445 rt_tqsecs : long;
446 rt_tqnsecs : long;
447 end record;
448 pragma Convention (C, struct_pcparms);
449
450 function priocntl
451 (ver : int;
452 id_type : int;
453 id : lwpid_t;
454 cmd : int;
455 arg : System.Address) return Interfaces.C.long;
456 pragma Import (C, priocntl, "__priocntl");
457
458 function lwp_self return lwpid_t;
459 pragma Import (C, lwp_self, "_lwp_self");
460
461 type processorid_t is new int;
462 type processorid_t_ptr is access all processorid_t;
463
464 -- Constants for function processor_bind
465
466 PBIND_QUERY : constant processorid_t := -2;
467 -- The processor bindings are not changed
468
469 PBIND_NONE : constant processorid_t := -1;
470 -- The processor bindings of the specified LWPs are cleared
471
472 -- Flags for function p_online
473
474 PR_OFFLINE : constant int := 1;
475 -- Processor is offline, as quiet as possible
476
477 PR_ONLINE : constant int := 2;
478 -- Processor online
479
480 PR_STATUS : constant int := 3;
481 -- Value passed to p_online to request status
482
483 function p_online (processorid : processorid_t; flag : int) return int;
484 pragma Import (C, p_online, "p_online");
485
486 function processor_bind
487 (id_type : int;
488 id : id_t;
489 proc_id : processorid_t;
490 obind : processorid_t_ptr) return int;
491 pragma Import (C, processor_bind, "processor_bind");
492
493 type psetid_t is new int;
494
495 function pset_create (pset : access psetid_t) return int;
496 pragma Import (C, pset_create, "pset_create");
497
498 function pset_assign
499 (pset : psetid_t;
500 proc_id : processorid_t;
501 opset : access psetid_t) return int;
502 pragma Import (C, pset_assign, "pset_assign");
503
504 function pset_bind
505 (pset : psetid_t;
506 id_type : int;
507 id : id_t;
508 opset : access psetid_t) return int;
509 pragma Import (C, pset_bind, "pset_bind");
510
511 procedure pthread_init;
512 -- Dummy procedure to share s-intman.adb with other Solaris targets
513
514 private
515
516 type array_type_1 is array (0 .. 3) of unsigned_long;
517 type sigset_t is record
518 X_X_sigbits : array_type_1;
519 end record;
520 pragma Convention (C, sigset_t);
521
522 type pid_t is new long;
523
524 type time_t is new long;
525
526 type timespec is record
527 tv_sec : time_t;
528 tv_nsec : long;
529 end record;
530 pragma Convention (C, timespec);
531
532 type array_type_9 is array (0 .. 3) of unsigned_char;
533 type record_type_3 is record
534 flag : array_type_9;
535 Xtype : unsigned_long;
536 end record;
537 pragma Convention (C, record_type_3);
538
539 type mutex_t is record
540 flags : record_type_3;
541 lock : String (1 .. 8);
542 data : String (1 .. 8);
543 end record;
544 pragma Convention (C, mutex_t);
545
546 type cond_t is record
547 flag : array_type_9;
548 Xtype : unsigned_long;
549 data : String (1 .. 8);
550 end record;
551 pragma Convention (C, cond_t);
552
553 type thread_key_t is new unsigned;
554
555 end System.OS_Interface;