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/* 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;
}
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