cond.c

来自「linux下的多线程调试工具」· C语言 代码 · 共 46 行

#define _XOPEN_SOURCE 600

#include <pthread.h>
#include <stdio.h>
#include <time.h>
#include "alias.h"

struct timespec wait = {0, 10000000};
struct timespec rem;
#define WAIT nanosleep (&wait, &rem)

pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t condition;
FILE *fd;

void *func () {
    new_thread_alias (fd, "func");
    pthread_cond_wait (&condition, &mutex);
    pthread_cond_wait (&condition, &mutex);
}

int main () {
    pthread_t thread;
    pthread_condattr_t attr;

    fd = alias_init ("alias");
    new_thread_alias (fd, "main");
    new_object_alias (fd, &condition, "condition");
    new_object_alias (fd, &mutex, "mutex");

    pthread_cond_init (&condition, &attr);
    pthread_create (&thread, NULL, func, NULL);
    WAIT;
    pthread_cond_signal (&condition);
    WAIT;
    pthread_cond_broadcast (&condition);
    WAIT;
    pthread_cond_signal (&condition);
    pthread_cond_broadcast (&condition);
    pthread_join (thread, NULL);
    pthread_cond_destroy (&condition);

    return 0;
}