1
所以我有两个线程和互斥体的生产者和消费者问题有点麻烦。我想要做的是让制作人用10 1填充一个数组。然后消费者消费每个1并使其为0.这种填充和排空重复10次。以下是我迄今为止,但它卡住在第一个周期:生产者和消费者的互斥和线程编程
#include <stdio.h>
#include <pthread.h>
#define N 10
pthread_mutex_t mut;
pthread_cond_t condc,condp;
int queue[N];
int buffer;
void* prod() {
int i;
for(i = 0; i<10; i++) {
pthread_mutex_lock(&mut);
while(queue[N] != 0) {
pthread_cond_wait(&condp, &mut);
}
int k = 0;
for(k=0; k<10; k++) {
queue[k] = 1;
}
pthread_cond_signal(&condc);
pthread_mutex_unlock(&mut);
printf("\nproduced\n");
}
pthread_exit(0);
}
void* cons() {
int i;
for(i = 0; i<10; i++) {
pthread_mutex_lock(&mut);
while(queue[N] == 0) {
pthread_cond_wait(&condc, &mut);
}
int k = 0;
for(k=0; k<10; k++) {
queue[k] = 0;
}
pthread_cond_signal(&condp);
pthread_mutex_unlock(&mut);
printf("\nconsumed\n");
}
pthread_exit(0);
}
main() {
pthread_t producer, consumer;
pthread_mutex_init(&mut, 0);
pthread_cond_init(&condc, 0);
pthread_cond_init(&condp, 0);
pthread_create(&consumer,NULL,&cons, NULL);
pthread_create(&producer,NULL,&prod, NULL);
pthread_join(producer,0);
pthread_join(consumer,0);
pthread_cond_destroy(&condc);
pthread_cond_destroy(&condp);
pthread_mutex_destroy(&mut);
return 0;
}
'queue [N]'是什么意思? –
它只是填满了数组 – samuelk71
我的意思是你为什么要访问数组之外的内存? –