我致力于此,但我没有找到我的问题的解决方案。这是我的代码。此代码在 pthread_create 和 pthread_join 行上给出错误。我尝试了一切来解决这个问题,但我不能这样做。
#include <stdio.h>
#include <pthread.h>
#define array_size 1000
#define no_threads 10
float a[array_size];
int global_index = 0;
int sum = 0;
pthread_t mutex_t ,mutex1;
void *slave(void *ignored)
{
int local_index, partial_sum = 0;
do {
pthread_t mutex_t ,lock(mutex1);
local_index = global_index;
global_index++;
pthread_t mutex ,unlock(mutex1);
if (local_index < array_size)
partial_sum += *(a + local_index);
}
while
(local_index < array_size);
pthread_t mutex , lock(mutex1);
sum += partial_sum;
pthread_t mutex_t , unlock(mutex1);
return 0;
}
main()
{
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