pthread-test

// 基于线程的并发编程,向线程传递参数2(传递结构体) // Test_3_createThread #include <stdio.h> #include <pthread.h> #include <stdlib.h> #define NUM_Threads 5 typedef struct thread_data{ int threadid; char message; }THDATA,*PTHDATA; void * PrintHello(void * pthreadid) { while(1) { PTHDATA tid = (PTHDATA)pthreadid; printf("This is Pthread : %d ;info : %c \n",tid->threadid, tid->message); } return 0; } int main(void) { pthread_t Pthread[NUM_Threads]; THDATA index[NUM_Threads]; int i, ret; for (i = 0; i < NUM_Threads; i++) { printf("main() : create thread %d \n",i); index[i].threadid = i; index[i].message = 'A'+i%10; ret = pthread_create(&Pthread[i], NULL, PrintHello, (void *)&index[i]); if (0 != ret) { printf("Error: create thread failed\n"); exit(-1); } } pthread_exit(NULL); return 0; } /* * 在CLion（Ubuntu）中输出结果是 main() : 创建线程 0 main() : 创建线程 1 This is Pthread : 0 ;info : A main() : 创建线程 2 main() : 创建线程 3 This is Pthread : 2 ;info : C main() : 创建线程 4 This is Pthread : 3 ;info : D This is Pthread : 4 ;info : E This is Pthread : 1 ;info : B * */