C++ (Cpp) wait_for_fb_wakeの例

コード例 #1

ファイル: autosuspend_earlysuspend.c プロジェクト: nctusenselab/android_system_core

void start_earlysuspend_thread(void)
{
    char buf[80];
    int ret;

    ret = access(EARLYSUSPEND_WAIT_FOR_FB_SLEEP, F_OK);
    if (ret < 0) {
        return;
    }

    ret = access(EARLYSUSPEND_WAIT_FOR_FB_WAKE, F_OK);
    if (ret < 0) {
        return;
    }

    wait_for_fb_wake();

    ALOGI("Starting early suspend unblocker thread\n");
    ret = pthread_create(&earlysuspend_thread, NULL, earlysuspend_thread_func, NULL);
    if (ret) {
        strerror_r(errno, buf, sizeof(buf));
        ALOGE("Error creating thread: %s\n", buf);
        return;
    }

    wait_for_earlysuspend = true;
}

コード例 #2

ファイル: autosuspend_earlysuspend.c プロジェクト: nctusenselab/android_system_core

static void *earlysuspend_thread_func(void *arg)
{
    char buf[80];
    char wakeup_count[20];
    int wakeup_count_len;
    int ret;

    while (1) {
        if (wait_for_fb_sleep()) {
            ALOGE("Failed reading wait_for_fb_sleep, exiting earlysuspend thread\n");
            return NULL;
        }
        pthread_mutex_lock(&earlysuspend_mutex);
        earlysuspend_state = EARLYSUSPEND_MEM;
        pthread_cond_signal(&earlysuspend_cond);
        pthread_mutex_unlock(&earlysuspend_mutex);

        if (wait_for_fb_wake()) {
            ALOGE("Failed reading wait_for_fb_wake, exiting earlysuspend thread\n");
            return NULL;
        }
        pthread_mutex_lock(&earlysuspend_mutex);
        earlysuspend_state = EARLYSUSPEND_ON;
        pthread_cond_signal(&earlysuspend_cond);
        pthread_mutex_unlock(&earlysuspend_mutex);
    }
}

コード例 #3

ファイル: autosuspend_earlysuspend.c プロジェクト: 00zhengfu00/platform_system_core

static void *earlysuspend_thread_func(void __unused *arg)
{
    while (1) {
        if (wait_for_fb_sleep()) {
            ALOGE("Failed reading wait_for_fb_sleep, exiting earlysuspend thread\n");
            return NULL;
        }
        pthread_mutex_lock(&earlysuspend_mutex);
        earlysuspend_state = EARLYSUSPEND_MEM;
        pthread_cond_signal(&earlysuspend_cond);
        pthread_mutex_unlock(&earlysuspend_mutex);

        if (wait_for_fb_wake()) {
            ALOGE("Failed reading wait_for_fb_wake, exiting earlysuspend thread\n");
            return NULL;
        }
        pthread_mutex_lock(&earlysuspend_mutex);
        earlysuspend_state = EARLYSUSPEND_ON;
        pthread_cond_signal(&earlysuspend_cond);
        pthread_mutex_unlock(&earlysuspend_mutex);
    }
}