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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [psxtests/] [psx04/] [init.c] - Blame information for rev 484

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/*
2
 *  COPYRIGHT (c) 1989-1999.
3
 *  On-Line Applications Research Corporation (OAR).
4
 *
5
 *  The license and distribution terms for this file may be
6
 *  found in the file LICENSE in this distribution or at
7
 *  http://www.OARcorp.com/rtems/license.html.
8
 *
9
 *  $Id: init.c,v 1.2 2001-09-27 12:02:24 chris Exp $
10
 */
11
 
12
#define CONFIGURE_INIT
13
#include "system.h"
14
#include <signal.h>
15
#include <errno.h>
16
 
17
volatile int Signal_occurred;
18
volatile int Signal_count;
19
 
20
void Signal_handler(
21
  int signo
22
)
23
{
24
  Signal_count++;
25
  printf(
26
    "Signal: %d caught by 0x%x (%d)\n",
27
    signo,
28
    pthread_self(),
29
    Signal_count
30
  );
31
  Signal_occurred = 1;
32
}
33
 
34
void Signal_info_handler(
35
  int        signo,
36
  siginfo_t *info,
37
  void      *context
38
)
39
{
40
  Signal_count++;
41
  printf(
42
    "Signal_info: %d caught by 0x%x (%d) si_signo= %d si_code= %d value= %d\n",
43
    signo,
44
    pthread_self(),
45
    Signal_count,
46
    info->si_signo,
47
    info->si_code,
48
    info->si_value.sival_int
49
  );
50
  Signal_occurred = 1;
51
}
52
 
53
void *POSIX_Init(
54
  void *argument
55
)
56
{
57
  int               status;
58
  struct sigaction  act;
59
  sigset_t          mask;
60
  sigset_t          pending_set;
61
  sigset_t          oset;
62
  struct timespec   timeout;
63
  siginfo_t         info;
64
 
65
  puts( "\n\n*** POSIX TEST 4 ***" );
66
 
67
  /* set the time of day, and print our buffer in multiple ways */
68
 
69
  set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 );
70
 
71
  /* get id of this thread */
72
 
73
  Init_id = pthread_self();
74
  printf( "Init's ID is 0x%08x\n", Init_id );
75
 
76
/* install a signal handler for SIGUSR1 */
77
 
78
  status = sigemptyset( &act.sa_mask );
79
  assert( !status );
80
  printf( "Init: sigemptyset -  set= 0x%08x\n", act.sa_mask );
81
 
82
  /* test sigfillset following the above sigemptyset */
83
 
84
  status = sigfillset( &act.sa_mask );
85
  assert( !status );
86
  printf( "Init: sigfillset -  set= 0x%08x\n", act.sa_mask );
87
 
88
  /* test sigdelset */
89
 
90
  status = sigdelset( &act.sa_mask, SIGUSR1 );
91
  assert( !status );
92
  printf( "Init: sigdelset - delete SIGUSR1 set= 0x%08x\n", act.sa_mask );
93
 
94
  /* test sigismember - FALSE */
95
 
96
  status = sigismember( &act.sa_mask, SIGUSR1 );
97
  assert( !status );
98
  puts( "Init: sigismember - FALSE since SIGUSR1 is not a member" );
99
 
100
  /* test sigismember - TRUE */
101
 
102
  status = sigismember( &act.sa_mask, SIGUSR2 );
103
  assert( status );
104
  puts( "Init: sigismember - TRUE since SIGUSR2 is a member" );
105
 
106
  /* return the set to empty */
107
 
108
  act.sa_handler = Signal_handler;
109
  act.sa_flags   = 0;
110
 
111
  sigaction( SIGUSR1, &act, NULL );
112
 
113
  /* simple signal to process */
114
 
115
  Signal_count = 0;
116
  Signal_occurred = 0;
117
 
118
  puts( "Init: send SIGUSR1 to process" );
119
  status = kill( getpid(), SIGUSR1 );
120
  assert( !status );
121
 
122
/* end of install a signal handler for SIGUSR1 */
123
 
124
  Signal_occurred = 0;
125
 
126
  /* now block the signal, send it, see if it is pending, and unblock it */
127
 
128
  empty_line();
129
 
130
  status = sigemptyset( &mask );
131
  assert( !status );
132
 
133
  status = sigaddset( &mask, SIGUSR1 );
134
  assert( !status );
135
 
136
  puts( "Init: Block SIGUSR1" );
137
  act.sa_handler = Signal_handler;
138
  act.sa_flags   = 0;
139
 
140
  sigaction( SIGUSR1, &act, NULL );
141
 
142
  /* simple signal to process */
143
 
144
  Signal_count = 0;
145
  Signal_occurred = 0;
146
 
147
  puts( "Init: send SIGUSR1 to process" );
148
  status = kill( getpid(), SIGUSR1 );
149
  assert( !status );
150
 
151
  Signal_occurred = 0;
152
 
153
  /* now block the signal, send it, see if it is pending, and unblock it */
154
 
155
  empty_line();
156
 
157
  status = sigemptyset( &mask );
158
  assert( !status );
159
 
160
  status = sigaddset( &mask, SIGUSR1 );
161
  assert( !status );
162
 
163
  puts( "Init: Block SIGUSR1" );
164
  status = sigprocmask( SIG_BLOCK, &mask, NULL );
165
  assert( !status );
166
 
167
  status = sigpending( &pending_set );
168
  assert( !status );
169
  printf( "Init: Signals pending 0x%08x\n", pending_set );
170
 
171
  puts( "Init: send SIGUSR1 to process" );
172
  status = kill( getpid(), SIGUSR1 );
173
  assert( !status );
174
 
175
  status = sigpending( &pending_set );
176
  assert( !status );
177
  printf( "Init: Signals pending 0x%08x\n", pending_set );
178
 
179
  puts( "Init: Unblock SIGUSR1" );
180
  status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
181
  assert( !status );
182
 
183
  /* now let another task get interrupted by a signal */
184
 
185
  empty_line();
186
 
187
  puts( "Init: create a thread interested in SIGUSR1" );
188
  status = pthread_create( &Task1_id, NULL, Task_1, NULL );
189
  assert( !status );
190
 
191
  puts( "Init: Block SIGUSR1" );
192
  status = sigprocmask( SIG_BLOCK, &mask, NULL );
193
  assert( !status );
194
 
195
  status = sigpending( &pending_set );
196
  assert( !status );
197
  printf( "Init: Signals pending 0x%08x\n", pending_set );
198
 
199
  puts( "Init: sleep so the other task can block" );
200
  status = sleep( 1 );
201
  assert( !status );
202
 
203
     /* switch to task 1 */
204
 
205
  puts( "Init: send SIGUSR1 to process" );
206
  status = kill( getpid(), SIGUSR1 );
207
  assert( !status );
208
 
209
  status = sigpending( &pending_set );
210
  assert( !status );
211
  printf( "Init: Signals pending 0x%08x\n", pending_set );
212
 
213
  puts( "Init: sleep so the other task can catch signal" );
214
  status = sleep( 1 );
215
  assert( !status );
216
 
217
     /* switch to task 1 */
218
 
219
  /* test alarm */
220
 
221
  empty_line();
222
 
223
  /* install a signal handler for SIGALRM and unblock it */
224
 
225
  status = sigemptyset( &act.sa_mask );
226
  assert( !status );
227
 
228
  act.sa_handler = Signal_handler;
229
  act.sa_flags   = 0;
230
 
231
  sigaction( SIGALRM, &act, NULL );
232
 
233
  status = sigemptyset( &mask );
234
  assert( !status );
235
 
236
  status = sigaddset( &mask, SIGALRM );
237
  assert( !status );
238
 
239
  puts( "Init: Unblock SIGALRM" );
240
  status = sigprocmask( SIG_UNBLOCK, &mask, NULL );
241
  assert( !status );
242
 
243
  /* schedule the alarm */
244
 
245
  puts( "Init: Firing alarm in 5 seconds" );
246
  status = alarm( 5 );
247
  printf( "Init: %d seconds left on previous alarm\n", status );
248
  assert( !status );
249
 
250
  puts( "Init: Firing alarm in 2 seconds" );
251
  status = alarm( 2 );
252
  printf( "Init: %d seconds left on previous alarm\n", status );
253
  assert( status );
254
 
255
  puts( "Init: Wait 4 seconds for alarm" );
256
  status = sleep( 4 );
257
  printf( "Init: %d seconds left in sleep\n", status );
258
  assert( status );
259
 
260
  /* test SIG_SETMASK case and returning oset of pthread_sigmask */
261
 
262
  empty_line();
263
 
264
  status = sigemptyset( &mask );
265
  assert( !status );
266
 
267
  status = sigaddset( &mask, SIGUSR1 );
268
  assert( !status );
269
 
270
  status = sigaddset( &mask, SIGUSR2 );
271
  assert( !status );
272
 
273
  puts( "Init: Block SIGUSR1 and SIGUSR2 only" );
274
  status = pthread_sigmask( SIG_SETMASK, &mask, &oset );
275
  printf( "Init: Previous blocked set was 0x%08x\n", oset );
276
  assert( !status );
277
 
278
  /* test inquiry about current blocked set with pthread_sigmask */
279
 
280
  status = pthread_sigmask( 0, NULL, &oset );
281
  printf( "Init: Current blocked set is 0x%08x\n", oset );
282
  assert( !status );
283
 
284
  /* return blocked mask to no signals blocked */
285
 
286
  status = sigemptyset( &mask );
287
  assert( !status );
288
 
289
  puts( "Init: Unblock all signals" );
290
  status = pthread_sigmask( SIG_SETMASK, &mask, &oset );
291
  printf( "Init: Previous blocked set was 0x%08x\n", oset );
292
  assert( !status );
293
 
294
  /* test sigsuspend */
295
 
296
  empty_line();
297
 
298
  puts( "Init: create a thread to send Init SIGUSR1" );
299
  status = pthread_create( &Task2_id, NULL, Task_2, NULL );
300
  assert( !status );
301
 
302
  status = sigemptyset( &mask );
303
  assert( !status );
304
 
305
  puts( "Init: sigsuspend for any signal" );
306
  status = sigsuspend( &mask );
307
  assert( status );
308
  printf( "Init: awakended from sigsuspend status=%08d \n", status );
309
 
310
  /* test a SIGINFO case, these are signals sent to a process only */
311
 
312
  empty_line();
313
 
314
  puts( "Init: create a thread to sent Process SIGUSR1 with SA_SIGINFO" );
315
  status = pthread_create( &Task3_id, NULL, Task_3, NULL );
316
  assert( !status );
317
 
318
  /* set action on SIGUSR1 to an info case */
319
  act.sa_handler   = Signal_handler;
320
  act.sa_flags     = SA_SIGINFO;
321
  act.sa_sigaction = Signal_info_handler;
322
 
323
  sigaction( SIGUSR1, &act, NULL );
324
 
325
  puts( "Init: sleep so the Task_3 can sigqueue SIGUSR1" );
326
  status = sleep( 1 );
327
  assert( !status );
328
 
329
     /* switch to task 1 */
330
 
331
  puts( "Init: sigqueue occurred" );
332
 
333
  /* Send SIGUSR1, Task_3 has issued a sigwaitinfo */
334
 
335
  status = sigemptyset( &mask );
336
  assert( !status );
337
 
338
  status = sigaddset( &mask, SIGUSR1 );
339
  assert( !status );
340
 
341
  puts( "Init: Block SIGUSR1" );
342
  status = sigprocmask( SIG_BLOCK, &mask, NULL );
343
  assert( !status );
344
 
345
  puts( "Init: send SIGUSR1 to process" );
346
  status = kill( getpid(), SIGUSR1 );
347
  assert( !status );
348
 
349
  puts( "Init: sleep so the Task_3 can receive SIGUSR1" );
350
  status = sleep( 1 );
351
  assert( !status );
352
 
353
  /* Send SIGUSR1, Task_3 has issued a sigwait */
354
 
355
  status = sigemptyset( &mask );
356
  assert( !status );
357
 
358
  status = sigaddset( &mask, SIGUSR1 );
359
  assert( !status );
360
 
361
  puts( "Init: Block SIGUSR1" );
362
  status = sigprocmask( SIG_BLOCK, &mask, NULL );
363
  assert( !status );
364
 
365
  puts( "Init: send SIGUSR1 to process" );
366
  status = kill( getpid(), SIGUSR1 );
367
  assert( !status );
368
 
369
  puts( "Init: sleep so the Task_3 can receive SIGUSR1" );
370
  status = sleep( 1 );
371
  assert( !status );
372
 
373
  /* Send SIGUSR1, Task_3 has issued a sigwaitinfo */
374
 
375
  status = sigemptyset( &mask );
376
  assert( !status );
377
 
378
  status = sigaddset( &mask, SIGUSR2 );
379
  assert( !status );
380
 
381
  puts( "Init: Block SIGUSR2" );
382
  status = sigprocmask( SIG_BLOCK, &mask, NULL );
383
  assert( !status );
384
 
385
  puts( "Init: send SIGUSR2 to process" );
386
  status = kill( getpid(), SIGUSR2 );
387
  assert( !status );
388
 
389
  puts( "Init: sleep so the Task_3 can receive SIGUSR2" );
390
  status = sleep( 1 );
391
  assert( !status );
392
 
393
  /* Suspend for signal that has already be sent */
394
 
395
  puts( "Init: sigsuspend for any signal" );
396
  status = sigsuspend( &mask );
397
  assert( status );
398
  printf( "Init: awakended from sigsuspend status=%d \n", status );
399
 
400
  /* generate error cases for psignal */
401
 
402
  empty_line();
403
 
404
  status = sigemptyset( NULL );
405
  if ( status != -1 )
406
    printf( "status = %d\n", status );
407
  assert( errno == EINVAL );
408
  puts( "Init: sigemptyset - EINVAL (set invalid)" );
409
 
410
  status = sigfillset( NULL );
411
  if ( status != -1 )
412
    printf( "status = %d\n", status );
413
  assert( errno == EINVAL );
414
  puts( "Init: sigfillset - EINVAL (set invalid)" );
415
 
416
  status = sigaddset( NULL, SIGUSR1 );
417
  if ( status != -1 )
418
    printf( "status = %d\n", status );
419
  assert( errno == EINVAL );
420
  puts( "Init: sigaddset - EINVAL (set invalid)" );
421
 
422
  status = sigaddset( &mask, 0 );
423
  assert( !status );
424
  puts( "Init: sigaddset - SUCCESSFUL (signal = 0)" );
425
 
426
  status = sigaddset( &mask, 999 );
427
  if ( status != -1 )
428
    printf( "status = %d\n", status );
429
  assert( errno == EINVAL );
430
  puts( "Init: sigaddset - EINVAL (set invalid)" );
431
 
432
  status = sigdelset( NULL, SIGUSR1 );
433
  if ( status != -1 )
434
    printf( "status = %d\n", status );
435
  assert( errno == EINVAL );
436
  puts( "Init: sigdelset - EINVAL (set invalid)" );
437
 
438
  status = sigdelset( &mask, 0 );
439
  assert( !status );
440
  puts( "Init: sigdelset - SUCCESSFUL (signal = 0)" );
441
 
442
  status = sigdelset( &mask, 999 );
443
  if ( status != -1 )
444
    printf( "status = %d\n", status );
445
  assert( errno == EINVAL );
446
  puts( "Init: sigdelset - EINVAL (set invalid)" );
447
 
448
  status = sigismember( NULL, SIGUSR1 );
449
  if ( status != -1 )
450
    printf( "status = %d\n", status );
451
  assert( errno == EINVAL );
452
  puts( "Init: sigismember - EINVAL (set invalid)" );
453
 
454
  status = sigismember( &mask, 0 );
455
  assert( !status );
456
  puts( "Init: sigismember - SUCCESSFUL (signal = 0)" );
457
 
458
  status = sigismember( &mask, 999 );
459
  if ( status != -1 )
460
    printf( "status = %d\n", status );
461
  assert( errno == EINVAL );
462
  puts( "Init: sigismember - EINVAL (signal invalid)" );
463
 
464
  status = sigaction( 0, &act, 0 );
465
  assert( !status );
466
  puts( "Init: sigaction - SUCCESSFUL (signal = 0)" );
467
 
468
  status = sigaction( 999, &act, NULL );
469
  if ( status != -1 )
470
    printf( "status = %d\n", status );
471
  assert( errno == EINVAL );
472
  puts( "Init: sigaction - EINVAL (signal invalid)" );
473
 
474
  status = sigaction( SIGKILL, &act, NULL );
475
  if ( status != -1 )
476
    printf( "status = %d\n", status );
477
  assert( errno == EINVAL );
478
  puts( "Init: sigaction - EINVAL (SIGKILL)" );
479
 
480
  status = pthread_sigmask( SIG_BLOCK, NULL, NULL );
481
  if ( status != -1 )
482
    printf( "status = %d\n", status );
483
  assert( errno == EINVAL );
484
  puts( "Init: pthread_sigmask - EINVAL (set and oset invalid)" );
485
 
486
  status = pthread_sigmask( 999, &pending_set, NULL );
487
  if ( status != -1 )
488
    printf( "status = %d\n", status );
489
  assert( errno == EINVAL );
490
  puts( "Init: pthread_sigmask - EINVAL (how invalid)" );
491
 
492
  status = sigpending( NULL );
493
  if ( status != -1 )
494
    printf( "status = %d\n", status );
495
  assert( errno == EINVAL );
496
  puts( "Init: sigpending - EINVAL (set invalid)" );
497
 
498
  timeout.tv_nsec = -1;
499
  status = sigtimedwait( &mask, &info, &timeout );
500
  if ( status != -1 )
501
    printf( "status = %d\n", status );
502
  assert( errno == EINVAL );
503
  puts( "Init: pthread_sigmask - EINVAL (timout->nsec invalid < 0)" );
504
 
505
  timeout.tv_nsec = 0x7fffffff;
506
  status = sigtimedwait( &mask, &info, &timeout );
507
  if ( status != -1 )
508
    printf( "status = %d\n", status );
509
  assert( errno == EINVAL );
510
  puts( "Init: pthread_sigmask - EINVAL (timout->nsec invalid to large)" );
511
 
512
  status = pthread_kill( Init_id, 999 );
513
  if ( status != -1 )
514
    printf( "status = %d\n", status );
515
  assert( errno == EINVAL );
516
  puts( "Init: pthread_kill - EINVAL (sig invalid)" );
517
 
518
/*
519
 *  This is now implemented.  We should delete this but for now
520
 *  we will just comment this out.
521
 *
522
 *   status = pthread_kill( 0, SIGUSR1 );
523
 *   if ( status != -1 )
524
 *     printf( "status = %d\n", status );
525
 *   assert( errno == ENOSYS );
526
 *   puts( "Init: pthread_kill - ENOSYS (signal SA_SIGINFO)" );
527
 */
528
 
529
  status = pthread_kill( 0, SIGUSR2 );
530
  if ( status != -1 )
531
    printf( "status = %d\n", status );
532
  assert( errno == ESRCH );
533
  puts( "Init: pthread_kill - ESRCH (signal SA_SIGINFO)" );
534
 
535
  status = pthread_kill( Init_id, 0 );
536
  assert( !status );
537
  puts( "Init: pthread_kill - SUCCESSFUL (signal = 0)" );
538
 
539
  act.sa_handler = SIG_IGN;
540
  act.sa_flags = 0;
541
  sigaction( SIGUSR2, &act, NULL );
542
  status = pthread_kill( Init_id, SIGUSR2 );
543
  assert( !status );
544
  puts( "Init: pthread_kill - SUCCESSFUL (signal = SIG_IGN)" );
545
 
546
  status = kill( 0x7fffffff, SIGUSR1 );
547
  if ( status != -1 )
548
    printf( "status = %d\n", status );
549
  assert( errno == ESRCH );
550
  puts( "Init: kill - ESRCH (pid invalid)" );
551
 
552
  status = kill( getpid(), 0 );
553
  assert( !status );
554
  puts( "Init: kill - SUCCESSFUL (signal = 0)" );
555
 
556
  status = kill( getpid(), 999 );
557
  if ( status != -1 )
558
    printf( "status = %d\n", status );
559
  assert( errno == EINVAL );
560
  puts( "Init: kill - EINVAL (sig invalid)" );
561
 
562
  /* exit this thread */
563
 
564
  puts( "*** END OF POSIX TEST 4 ***" );
565
  exit( 0 );
566
 
567
  return NULL; /* just so the compiler thinks we returned something */
568
}

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