线程pthread_mutex_init()锁的应用

view sourceprint?

/* ************************************************************************

 *       Filename:  m_mutex.c

 *    Description:  

 *        Version:  1.0

 *        Created:  2011年04月22日 17时49分29秒

 *       Revision:  none

 *       Compiler:  gcc

 *         Author:  wenhao (wh), hnrain1004@gmail.com

 *        Company:  sunplusapp

 * ************************************************************************/

  

  

#include <stdio.h>

#include <stdlib.h>

#include <pthread.h>

  

void *function(void *arg);

pthread_mutex_t mutex;

int counter = 0;

int main(int argc,char *argv[])

{

    intrc1,rc2;

      

    char*str1="wenhaoll";

    char*str2="linglong";

    pthread_t thread1,thread2;

  

    pthread_mutex_init(&mutex,NULL);

    if((rc1 = pthread_create(&thread1,NULL,function,str1)))

    {

        fprintf(stdout,"thread 1 create failed: %d\n",rc1);

    }

  

    if(rc2=pthread_create(&thread2,NULL,function,str2))

    {

        fprintf(stdout,"thread 2 create failed: %d\n",rc2);

    }

  

    pthread_join(thread1,NULL);

    pthread_join(thread2,NULL);

    return0;

}

  

void *function(void *arg)

{

    char*m;

    m = (char*)arg;

    pthread_mutex_lock(&mutex);

    while(*m !='\0')

    {

        printf("%c",*m);

        fflush(stdout);

        m++;

        sleep(1);

    }

    printf("\n");

    pthread_mutex_unlock(&mutex);

}