复制代码 代码如下:

#include <stdio.h>

#include <pthread.h>

pthread_mutex_t Device_mutex ;

int count=0;

void thread_func1()

{

while(1)

{

pthread_mutex_lock(&Device_mutex);

printf("thread1: %dn",count);

pthread_mutex_unlock(&Device_mutex);

count++;

sleep(1);

}

}

void thread_func2()

{

while(1)

{

pthread_mutex_lock(&Device_mutex);

printf("thread2: %dn",count);

pthread_mutex_unlock(&Device_mutex);

count++;

sleep(1);

}

}

int main()

{

pthread_t thread1, thread2;

pthread_mutex_init(&Device_mutex,NULL);

if(pthread_create(&thread1,NULL,(void*)thread_func1,NULL) == -1)

{

printf("create IP81 Thread error !n");

exit(1);

}

sleep(1);

if(pthread_create(&thread2,NULL,(void *)thread_func2,NULL) == -1)

{

printf("create IP81_2 Thread error!n");

exit(1);

}

sleep(1);

pthread_join(thread1,NULL);

pthread_join(thread2,NULL);

pthread_mutex_destroy(&Device_mutex);

return 0;

}