#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
int i = 0;
void * thread_func(void *arg)
{ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
printf("YOU WILL NOT STOP ME!!!\n");
for (i=0; i < 4; i++) {
sleep(1);
printf("I'm still running!\n");
}
printf("Now you can stop me!\n");
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
//pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
//pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
printf("Wait when you stop me!\n");
pthread_testcancel();
}
int main(int argc, char * argv[])
{ pthread_t
thread;
pthread_create(&thread, NULL, thread_func, NULL);
while (i < 1) sleep(1);
pthread_cancel(thread);
printf("Requested to cancel the thread\n");
pthread_join(thread, NULL);
printf("The thread is stopped.\n");
return EXIT_SUCCESS;
}