28 lines
509 B
C
28 lines
509 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#include "common.h"
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#include "common_threads.h"
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sem_t s;
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void *child(void *arg) {
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sleep(4);
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printf("child\n");
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Sem_post(&s); // signal here: child is done
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return NULL;
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}
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int main(int argc, char *argv[]) {
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Sem_init(&s, 0);
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printf("parent: begin\n");
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pthread_t c;
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Pthread_create(&c, NULL, child, NULL);
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Sem_wait(&s); // wait here for child
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printf("parent: end\n");
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return 0;
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}
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