47 lines
907 B
C
47 lines
907 B
C
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#include <pthread.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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void *thr_fn1(void *arg) {
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printf("thread 1 returning\n");
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return (void *)1;
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}
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void *thr_fn2(void *arg) {
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printf("thread 2 exiting\n");
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pthread_exit((void *)2);
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}
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int main(void) {
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int err;
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pthread_t tid1, tid2;
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void *tret;
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err = pthread_create(&tid1, NULL, thr_fn1, NULL);
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if(err != 0) {
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printf("thread 1 create error\n");
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return -1;
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}
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err = pthread_create(&tid2, NULL, thr_fn2, NULL);
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if(err != 0) {
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printf("thread 2 create error\n");
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return -1;
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}
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err = pthread_join(tid1, &tret);
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if(err != 0) {
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printf("thread 1 join error\n");
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return -1;
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}
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printf("thread 1 exit code %ld\n", (long)tret);
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err = pthread_join(tid2, &tret);
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if(err != 0) {
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printf("thread 2 join error\n");
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return -1;
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}
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printf("thread 2 exit code %ld\n", (long)tret);
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return 0;
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}
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