Linux c的多线程编程实例(初学)

原文链接: http://www.cnblogs.com/MySparrow/archive/2011/10/20/2219449.html
#include 
#include
#include
#include <string.h>
#include
#define MAX 10
pthread_t thread[2];
pthread_mutex_t mut;
int number=0, i;
void *thread1(void *)
{
printf ("thread1 : I'm thread 1\n");
for (i = 0; i < MAX; i++)
{
printf("thread1 : number = %d\n",number);
pthread_mutex_lock(&mut);
number++;
pthread_mutex_unlock(&mut);
sleep(2);
}
printf("thread1 :the main function is waiting for me?\n");
pthread_exit(NULL);
}
void *thread2(void *)
{
printf("thread2 : I'm thread 2\n");
for (i = 0; i < MAX; i++)
{
printf("thread2 : number = %d\n",number);
pthread_mutex_lock(&mut);
number++;
pthread_mutex_unlock(&mut);
sleep(3);
}
printf("thread2 :the main function is waiting for me? \n");
pthread_exit(NULL);
}
void thread_create(void)
{
int temp;
memset(&thread, 0, sizeof(thread)); //comment1
/*Create thread*/
if((temp = pthread_create(&thread[0], NULL, thread1, NULL)) != 0) //comment2
printf("Thread 1 fail to create!\n");
else
printf("Thread 1 created!\n");
if((temp = pthread_create(&thread[1], NULL, thread2, NULL)) != 0) //comment3
printf("Thread 2 fail to create!");
else
printf("Thread 2 created!\n");
}
void thread_wait(void)
{
/*Wait thread end*/
if(thread[0] !=0) { //comment4
pthread_join(thread[0],NULL);
printf("Thread 1 completed\n");
}
if(thread[1] !=0) { //comment5
pthread_join(thread[1],NULL);
printf("Thread 2 completed.\n");
}
}
int main()
{
/*init mutex*/
pthread_mutex_init(&mut,NULL);
printf("Main function,creating thread...\n");
thread_create();
printf("Main function,waiting for thread end....\n");
thread_wait();
return 0;
}

转载于:https://www.cnblogs.com/MySparrow/archive/2011/10/20/2219449.html

你可能感兴趣的:(Linux c的多线程编程实例(初学))