操作系统与Linux.zip

#include <stdio.h> #include <stdlib.h> #include <pthread.h> void* thread1(void* _val) { printf("thread 1 returning ...\n"); return (void*)1; } void* thread2(void* _val) { printf("thread 2 exiting....\n"); pthread_exit((void*)2); } void* thread3(void* _val) { while(1) { printf("pthread 3 is runninng, wait for be cancal..\n"); sleep(1); } return NULL; } int main() { pthread_t tid; void* tret; //pthread 1 return pthread_create(&tid, NULL, thread1, NULL); pthread_join(tid, &tret); printf("thread return, thread id is : %u, return code is: %d\n",\ (unsigned long long)tid, (int)tret); //pthread 2 exit pthread_create(&tid, NULL, thread2, NULL); pthread_join(tid, &tret); printf("thread return, thread id is : %u, return code is: %d\n",\ (unsigned long long)tid, (int)tret); //pthread 3 cancel by other pthread_create(&tid, NULL, thread3, NULL); sleep(3); pthread_cancel(tid); pthread_join(tid, &tret); printf("thread return, thread id is : %u, return code is: %d\n",\ (unsigned long long)tid, (int)tret); return 0; }