38 lines
795 B
C
38 lines
795 B
C
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define NUM_THREADS 3
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pthread_barrier_t barrier;
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void *thread_func(void *arg) {
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int thread_id = *(int*) arg;
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printf("Thread %d is waiting at the barrier\n", thread_id);
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pthread_barrier_wait(&barrier);
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printf("Thread %d has passed the barrier\n", thread_id);
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return NULL;
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}
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int main() {
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pthread_t threads[NUM_THREADS];
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int thread_ids[NUM_THREADS];
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pthread_barrier_init(&barrier, NULL, NUM_THREADS);
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for (int i = 0; i < NUM_THREADS; i++) {
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thread_ids[i] = i;
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pthread_create(threads + i, NULL, thread_func, &thread_ids[i]);
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}
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for (int i = 0; i < NUM_THREADS; i++) {
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pthread_join(threads[i], NULL);
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}
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pthread_barrier_destroy(&barrier);
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return 0;
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}
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