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#include <assert.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
bool should_exit;
pthread_t thread;
void *workerThread(void* arg) {
pthread_mutex_lock(&mutex);
while (!should_exit)
pthread_cond_wait(&cond, &mutex);
pthread_mutex_unlock(&mutex);
return NULL;
}
void terminateThread() {
pthread_mutex_lock(&mutex);
should_exit = true;
pthread_cond_signal(&cond);
pthread_mutex_unlock(&mutex);
int res = 0;
int rc = pthread_join(thread, (void**)&res);
assert(rc == 0);
assert(res == 0);
printf("done waiting - thread successfully terminated\n");
}
int main(int argc, char* argv[]) {
int rc = atexit(terminateThread);
assert(rc == 0);
rc = pthread_create(&thread, NULL, workerThread, NULL);
assert(rc == 0);
return 0;
}
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