C++ (Cpp) timespec_adjust_delta Exemples

Exemple #1

Fichier : timer.c Projet : Byreddys/glusterfs

gf_timer_t *
gf_timer_call_after (glusterfs_ctx_t *ctx,
                     struct timespec delta,
                     gf_timer_cbk_t callbk,
                     void *data)
{
        gf_timer_registry_t *reg = NULL;
        gf_timer_t *event = NULL;
        gf_timer_t *trav = NULL;
        uint64_t at = 0;

        if (ctx == NULL)
        {
                gf_msg_callingfn ("timer", GF_LOG_ERROR, EINVAL,
                                  LG_MSG_INVALID_ARG, "invalid argument");
                return NULL;
        }

        reg = gf_timer_registry_init (ctx);

        if (!reg) {
                gf_msg_callingfn ("timer", GF_LOG_ERROR, 0,
                                  LG_MSG_TIMER_REGISTER_ERROR, "!reg");
                return NULL;
        }

        event = GF_CALLOC (1, sizeof (*event), gf_common_mt_gf_timer_t);
        if (!event) {
                return NULL;
        }
        timespec_now (&event->at);
        timespec_adjust_delta (&event->at, delta);
        at = TS (event->at);
        event->callbk = callbk;
        event->data = data;
        event->xl = THIS;
        LOCK (&reg->lock);
        {
                trav = reg->active.prev;
                while (trav != &reg->active) {
                        if (TS (trav->at) < at)
                                break;
                        trav = trav->prev;
                }
                event->prev = trav;
                event->next = event->prev->next;
                event->prev->next = event;
                event->next->prev = event;
        }
        UNLOCK (&reg->lock);
        return event;
}

Exemple #2

Fichier : timer.c Projet : chenzhongtao/mg_glusterfs

// 插入一个事件到定时器链表中
gf_timer_t *
gf_timer_call_after (glusterfs_ctx_t *ctx,
                     struct timespec delta,
                     gf_timer_cbk_t callbk,
                     void *data)
{
        gf_timer_registry_t *reg = NULL;
        gf_timer_t *event = NULL;
        gf_timer_t *trav = NULL;
        uint64_t at = 0;

        if (ctx == NULL)
        {
                gf_log_callingfn ("timer", GF_LOG_ERROR, "invalid argument");
                return NULL;
        }

        reg = gf_timer_registry_init (ctx);

        if (!reg) {
                gf_log_callingfn ("timer", GF_LOG_ERROR, "!reg");
                return NULL;
        }

        event = GF_CALLOC (1, sizeof (*event), gf_common_mt_gf_timer_t);
        if (!event) {
                return NULL;
        }
        timespec_now (&event->at);
        timespec_adjust_delta (&event->at, delta);
        at = TS (event->at);
        event->callbk = callbk;
        event->data = data;
        event->xl = THIS;
        pthread_mutex_lock (&reg->lock);
        {
                //列表最后一个
                trav = reg->active.prev;
                //找最后一个时间比我早的(链表是按时间排序的)
                while (trav != &reg->active) {
                        if (TS (trav->at) < at)
                                break;
                        trav = trav->prev;
                }
                event->prev = trav;
                event->next = event->prev->next;
                event->prev->next = event;
                event->next->prev = event;
        }
        pthread_mutex_unlock (&reg->lock);
        return event;
}

Exemple #3

Fichier : timer.c Projet : newpant/glusterfs

gf_timer_t *
gf_timer_call_after (glusterfs_ctx_t *ctx,
                     struct timespec delta,
                     gf_timer_cbk_t callbk,
                     void *data)
{
        gf_timer_registry_t *reg = NULL;
        gf_timer_t *event = NULL;
        gf_timer_t *trav = NULL;
        uint64_t at = 0;

        if (ctx == NULL)
        {
                gf_msg_callingfn ("timer", GF_LOG_ERROR, EINVAL,
                                  LG_MSG_INVALID_ARG, "invalid argument");
                return NULL;
        }

        /* ctx and its fields are not accessed inside mutex!?
         * TODO: Even with this there is a possiblity of race
         * when cleanup_started is set after checking for it
         */
        if (ctx->cleanup_started) {
                gf_msg_callingfn ("timer", GF_LOG_INFO, 0,
                                  LG_MSG_CTX_CLEANUP_STARTED, "ctx cleanup "
                                  "started");
                return NULL;
        }

        reg = gf_timer_registry_init (ctx);

        if (!reg) {
                gf_msg_callingfn ("timer", GF_LOG_ERROR, 0,
                                  LG_MSG_TIMER_REGISTER_ERROR, "!reg");
                return NULL;
        }

        event = GF_CALLOC (1, sizeof (*event), gf_common_mt_gf_timer_t);
        if (!event) {
                return NULL;
        }
        timespec_now (&event->at);
        timespec_adjust_delta (&event->at, delta);
        at = TS (event->at);
        event->callbk = callbk;
        event->data = data;
        event->xl = THIS;
        pthread_mutex_lock (&reg->lock);
        {
                trav = reg->active.prev;
                while (trav != &reg->active) {
                        if (TS (trav->at) < at)
                                break;
                        trav = trav->prev;
                }
                event->prev = trav;
                event->next = event->prev->next;
                event->prev->next = event;
                event->next->prev = event;
        }
        pthread_mutex_unlock (&reg->lock);
        return event;
}