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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
/*
* Verify that Pin can trace an application that uses asynchronous cancel.
*/
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <pthread.h>
#include <sched.h>
#include <unistd.h>
#define TIMEOUT 3*60
static void *Thread(void *);
static void Terminate(int);
static volatile int Ready = 0;
int main()
{
pthread_t tid;
pthread_create(&tid, 0, Thread, 0);
while (!Ready)
sched_yield();
pthread_cancel(tid);
pthread_join(tid, 0);
printf("Thread was cancelled\n");
return 0;
}
volatile unsigned Val;
volatile unsigned A = 5;
volatile unsigned B = 4;
static void *Thread(void *dummy)
{
struct sigaction act;
/*
* This causes the thread to terminate even if it doesn't receive the cancel
* request. The handler prints an error message, which causes the test to
* fail.
*/
act.sa_handler = Terminate;
act.sa_flags = 0;
sigemptyset(&act.sa_mask);
sigaction(SIGALRM, &act, 0);
alarm(TIMEOUT);
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, 0);
Ready = 1;
for (;;)
Val = A / B;
}
static void Terminate(int sig)
{
printf("Thread not cancelled\n");
exit(1);
}