sim/testsuite/cris/c/rtsigprocmask1.c

   1 /* Compiler options:
   2 #progos: linux
   3 #cc: additional_flags=-pthread
   4 #xerror:
   5 #output: Unimplemented rt_sigprocmask syscall (0x3, 0x0, 0x3dff*\n
   6 #output: program stopped with signal 4 (*).\n
   7
   8    Testing a signal handler corner case.  */
   9
  10 #include <stddef.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 #include <unistd.h>
  14 #include <signal.h>
  15 #include <pthread.h>
  16 #include <errno.h>
  17
  18 static void *
  19 process (void *arg)
  20 {
  21   while (1)
  22     sched_yield ();
  23   return NULL;
  24 }
  25
  26 int
  27 main (void)
  28 {
  29   int retcode;
  30   pthread_t th_a;
  31   void *retval;
  32   sigset_t sigs;
  33
  34   if (sigemptyset (&sigs) != 0)
  35     abort ();
  36
  37   retcode = pthread_create (&th_a, NULL, process, NULL);
  38   if (retcode != 0)
  39     abort ();
  40
  41   /* An invalid parameter 1 should cause this to halt the simulator.  */
  42   retcode
  43     = pthread_sigmask (SIG_BLOCK + SIG_UNBLOCK + SIG_SETMASK, NULL, &sigs);
  44   /* Direct return of the error number; i.e. not using -1 and errno,
  45      is the actual documented behavior.  */
  46   if (retcode == ENOSYS)
  47     printf ("ENOSYS\n");
  48
  49   printf ("xyzzy\n");
  50   return 0;
  51 }