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/*
* File: cancel8.c
*
* Test Synopsis: Test if usleep is a cancellation point.
*
* Test Method (Validation or Falsification):
* -
*
* Requirements Tested:
* -
*
* Features Tested:
* -
*
* Cases Tested:
* -
*
* Description:
* -
*
* Environment:
* -
*
* Input:
* - None.
*
* Output:
* - File name, Line number, and failed expression on failure.
* - No output on success.
*
* Assumptions:
* - have working pthread_create, pthread_cancel, pthread_setcancelstate
* pthread_join
*
* Pass Criteria:
* - Process returns zero exit status.
*
* Fail Criteria:
* - Process returns non-zero exit status.
*/
#include "test.h"
static int has5secsleeped = 0;
static void *Thread(void *punused)
{
assert (pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL) == 0);
/* thread should usleep 5 seconds and not get canceled */
usleep(5000000);
has5secsleeped = 1;
assert (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) == 0);
/* thread should cancel here */
usleep(5000000);
return NULL;
}
int main (void)
{
void * result;
pthread_t t;
assert (pthread_create (&t, NULL, Thread, NULL) == 0);
assert (pthread_cancel (t) == 0);
assert (pthread_join (t, &result) == 0);
assert (has5secsleeped == 1);
assert (result == PTHREAD_CANCELED);
return 0;
}
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