File: rtsigprocmask1.c

package info (click to toggle)
gdb-doc 13.1-1
  • links: PTS, VCS
  • area: non-free
  • in suites: bookworm
  • size: 234,284 kB
  • sloc: ansic: 1,988,072; asm: 373,465; exp: 187,579; cpp: 75,697; makefile: 69,432; sh: 24,829; yacc: 11,654; python: 9,602; ada: 6,680; xml: 6,073; perl: 5,077; pascal: 3,357; f90: 2,555; tcl: 1,902; lisp: 1,578; cs: 879; lex: 759; sed: 228; awk: 154; objc: 137; fortran: 57
file content (51 lines) | stat: -rw-r--r-- 1,045 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
/* Compiler options:
#progos: linux
#cc: additional_flags=-pthread
#xerror:
#output: Unimplemented rt_sigprocmask syscall (0x3, 0x0, 0x3dff*\n
#output: program stopped with signal 4 (*).\n

   Testing a signal handler corner case.  */

#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <pthread.h>
#include <errno.h>

static void *
process (void *arg)
{
  while (1)
    sched_yield ();
  return NULL;
}

int
main (void)
{
  int retcode;
  pthread_t th_a;
  void *retval;
  sigset_t sigs;

  if (sigemptyset (&sigs) != 0)
    abort ();

  retcode = pthread_create (&th_a, NULL, process, NULL);
  if (retcode != 0)
    abort ();

  /* An invalid parameter 1 should cause this to halt the simulator.  */
  retcode
    = pthread_sigmask (SIG_BLOCK + SIG_UNBLOCK + SIG_SETMASK, NULL, &sigs);
  /* Direct return of the error number; i.e. not using -1 and errno,
     is the actual documented behavior.  */
  if (retcode == ENOSYS)
    printf ("ENOSYS\n");

  printf ("xyzzy\n");
  return 0;
}