源码如下
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <pthread.h>
- unsigned int value1, value2, count;
- pthread_mutex_t mutex1,mutex2;
- void *function(void *arg);
- void *function(void *arg)
- {
- pthread_mutex_lock(&mutex2);
- printf("new thread get mutex2\n");
- sleep(1);
- pthread_mutex_lock(&mutex1);
- printf("new thread get mutex1\n");
- pthread_mutex_unlock(&mutex1);
- printf("new thread release mutex1\n");
- pthread_mutex_unlock(&mutex2);
- printf("new thread release mutex2\n");
- return NULL;
- }
- int main(int argc, char *argv[])
- {
- pthread_t a_thread;
-
- if (pthread_mutex_init(&mutex1, NULL) < 0)
- {
- perror("fail to mutex_init");
- exit(-1);
- }
- if (pthread_mutex_init(&mutex2, NULL) < 0)
- {
- perror("fail to mutex_init");
- exit(-1);
- }
- if (pthread_create(&a_thread, NULL, function, NULL) < 0)
- {
- perror("fail to pthread_create");
- exit(-1);
- }
- while ( 1 )
- {
- pthread_mutex_lock(&mutex1);
- printf("main thread get mutex1\n");
- sleep(1);
- pthread_mutex_lock(&mutex2);
- printf("main thread get mutex2\n");
- pthread_mutex_unlock(&mutex2);
- printf("main thread release mutex2\n");
- pthread_mutex_unlock(&mutex1);
- printf("main thread release mutex1\n");
- }
- return 0;
- }
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楼主
