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#include "stdio.h"
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#include "string.h"
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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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void * thr_fn1(void *arg)
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{
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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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{
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printf("thread 2 returning\n");
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return (void *)2;
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}
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void * thr_fn3(void *arg)
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{
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while(1)
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{
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printf("thread 3 writing\n");
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sleep(1);
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}
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}
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int main(void)
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{
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pthread_t tid = 0;
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void *tret = NULL;
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pthread_create(&tid,NULL,thr_fn1,NULL);
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pthread_join(tid,&tret);
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printf("thread 1 exit code %d\n",tret);
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pthread_create(&tid,NULL,thr_fn2,NULL);
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pthread_join(tid,&tret);
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printf("thread 2 exit code %d\n",tret);
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pthread_create(&tid,NULL,thr_fn3,NULL);
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sleep(3);
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pthread_cancel(tid);/*强制结束thr_fn3*/
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pthread_join(tid,&tret);
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printf("thread 2 exit code %d\n",tret);
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return 0;
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}
编 译:gcc -o pthread_create pthread_create.c -l pthread
运行结果:
thread 1 returning
thread 1 exit code 1
thread 2 returning
thread 2 exit code 2
thread 3 writing
thread 3 writing
thread 3 writing
thread 2 exit code -1
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