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/* Compiler options:
#progos: linux
#cc: additional_flags=-pthread
#output: abb ok\n
Testing a pthread corner case. Output will change with glibc
releases. */
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <stdlib.h>
static void *
process (void *arg)
{
int i;
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
abort ();
write (2, "a", 1);
for (i = 0; i < 10; i++)
{
sched_yield ();
pthread_testcancel ();
write (2, "b", 1);
}
return NULL;
}
int
main (void)
{
int retcode;
pthread_t th_a;
void *retval;
retcode = pthread_create (&th_a, NULL, process, NULL);
sched_yield ();
sched_yield ();
sched_yield ();
sched_yield ();
retcode = pthread_cancel (th_a);
retcode = pthread_join (th_a, &retval);
if (retcode != 0)
abort ();
fprintf (stderr, " ok\n");
return 0;
}
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