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main.cpp
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51 lines (36 loc) · 953 Bytes
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#include <iostream>
#include <pthread.h>
#include <unistd.h>
void *job1(void *args)
{
pthread_key_t key = *(pthread_key_t *)args;
// 设置值
int num1 = 1;
pthread_setspecific(key, (void *)&num1);
// 获取值，一键多值
void *res = pthread_getspecific(key);
std::cout << "thread1: " << *(int *)res << '\n';
return nullptr;
}
void *job2(void *args)
{
pthread_key_t key = *(pthread_key_t *)args;
sleep(1);
int num2 = 2;
pthread_setspecific(key, (void *)&num2);
void *res = pthread_getspecific(key);
std::cout << "thread2: " << *(int *)res << '\n';
return nullptr;
}
int main()
{
pthread_t tid1, tid2;
pthread_key_t key;
pthread_key_create(&key, nullptr);
pthread_create(&tid1, nullptr, job1, (void *)&key);
pthread_create(&tid2, nullptr, job2, (void *)&key);
pthread_detach(tid1);
pthread_detach(tid2);
pthread_exit(nullptr);
return 0;
}