newlib-cygwin/winsup/testsuite/winsup.api/pthread/cancel9.c

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/*
* File: cancel9.c
*
* Test Synopsis: Test if waitpid 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"
#include <assert.h>
#include <sys/wait.h>
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static pid_t pid;
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static void *Thread(void *punused)
{
int res;
pid = fork ();
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assert (pid != -1);
switch (pid)
{
case 0:
sleep (10);
break;
default:
assert (waitpid (pid, &res, 0) != -1);
}
return NULL;
}
int main (void)
{
int res;
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void * result;
pthread_t t;
assert (pthread_create (&t, NULL, Thread, NULL) == 0);
sleep (5);
assert (pthread_cancel (t) == 0);
assert (pthread_join (t, &result) == 0);
assert (result == PTHREAD_CANCELED);
assert (waitpid (pid, &res, 0) != -1);
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return 0;
}