static char* test_two_reverse(void *context)
{
while(fire_head());
fire_mask = 0;
nx_timer_schedule(timers[0], 4);
nx_timer_schedule(timers[1], 2);
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
int count = fire_head();
if (count < 1) return "First failed to fire";
if (count > 1) return "Second fired prematurely";
if (fire_mask != 2) return "Incorrect fire mask 2";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
if (fire_head() < 1) return "Second failed to fire";
if (fire_mask != 3) return "Incorrect fire mask 3";
return 0;
}
static int writable_handler(qd_container_t *container, pn_connection_t *conn, qd_connection_t* qd_conn)
{
const qd_node_type_t *nt;
int event_count = 0;
//
// Note the locking structure in this function. Generally this would be unsafe, but since
// this particular list is only ever appended to and never has items inserted or deleted,
// this usage is safe in this case.
//
sys_mutex_lock(container->lock);
qdc_node_type_t *nt_item = DEQ_HEAD(container->node_type_list);
sys_mutex_unlock(container->lock);
while (nt_item) {
nt = nt_item->ntype;
if (nt->writable_handler)
event_count += nt->writable_handler(nt->type_context, qd_conn, 0);
sys_mutex_lock(container->lock);
nt_item = DEQ_NEXT(nt_item);
sys_mutex_unlock(container->lock);
}
return event_count;
}
static void notify_opened(qd_container_t *container, qd_connection_t *conn, void *context)
{
const qd_node_type_t *nt;
//
// Note the locking structure in this function. Generally this would be unsafe, but since
// this particular list is only ever appended to and never has items inserted or deleted,
// this usage is safe in this case.
//
sys_mutex_lock(container->lock);
qdc_node_type_t *nt_item = DEQ_HEAD(container->node_type_list);
sys_mutex_unlock(container->lock);
while (nt_item) {
nt = nt_item->ntype;
if (qd_connection_inbound(conn)) {
if (nt->inbound_conn_opened_handler)
nt->inbound_conn_opened_handler(nt->type_context, conn, context);
} else {
if (nt->outbound_conn_opened_handler)
nt->outbound_conn_opened_handler(nt->type_context, conn, context);
}
sys_mutex_lock(container->lock);
nt_item = DEQ_NEXT(nt_item);
sys_mutex_unlock(container->lock);
}
}
static char* test_two_duplicate(void *context)
{
while(fire_head());
fire_mask = 0;
nx_timer_schedule(timers[0], 2);
nx_timer_schedule(timers[1], 2);
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
int count = fire_head();
if (count != 2) return "Expected two firings";
fire_head();
if (fire_mask != 3) return "Incorrect fire mask 3";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
if (fire_head() > 0) return "Spurious timer fires";
return 0;
}
static char* test_single(void *context)
{
while(fire_head());
fire_mask = 0;
nx_timer_schedule(timers[0], 2);
if (fire_head() > 0) return "Premature firing 1";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
if (fire_head() > 0) return "Premature firing 2";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
if (fire_head() < 1) return "Failed to fire";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
if (fire_head() != 0) return "Spurious fires";
if (fire_mask != 1) return "Incorrect fire mask";
if (timers[0]->state != TIMER_IDLE) return "Expected idle timer state";
return 0;
}
static char* test_separated(void *context)
{
int count;
while(fire_head());
fire_mask = 0;
nx_timer_schedule(timers[0], 2);
nx_timer_schedule(timers[1], 4);
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
count = fire_head();
if (count < 1) return "First failed to fire";
if (count > 1) return "Second fired prematurely";
if (fire_mask != 1) return "Incorrect fire mask 1";
nx_timer_schedule(timers[2], 2);
nx_timer_schedule(timers[3], 4);
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
count = fire_head();
fire_head();
if (count < 1) return "Second failed to fire";
if (count < 2) return "Third failed to fire";
if (fire_mask != 7) return "Incorrect fire mask 7";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
count = fire_head();
if (count < 1) return "Fourth failed to fire";
if (fire_mask != 15) return "Incorrect fire mask 15";
sys_mutex_lock(lock);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
nx_timer_visit_LH(time++);
sys_mutex_unlock(lock);
count = fire_head();
if (count > 0) return "Spurious fire";
return 0;
}
RJ_API int rj_m_conn_send(rj_net_m_conn_h handle, int conn_id, int net_ch_id, rj_ndp_pk_t *p_ndp, char *p_data)
{
rj_net_multi_conn_t *p_m_conn = (rj_net_multi_conn_t *)(handle);
assert (NULL != p_m_conn);
assert ((NULL != p_ndp) && (NULL != p_data));
if ((NULL != p_m_conn) && (NULL != p_ndp) && (NULL != p_data))
{
sys_mutex_lock(p_m_conn->p_sys_mutex);
rj_net_conn_h net_conn = find_conn(p_m_conn->conn_list, conn_id);
if (NULL != net_conn)
{
int ret = rj_conn_send(net_conn, net_ch_id, p_ndp, p_data);
sys_mutex_unlock(p_m_conn->p_sys_mutex);
return ret;
}
else
{
// 没有找到通道信息
// 调用者通过收发数据接口, 得到通道错误信息
// 调用者再调用 rj_m_conn_stop_conn 关闭通道
// 到这里, 说明是调用者关闭了通道, 还来发送数据, 这是调用者使用错误
assert(false);
}
sys_mutex_unlock(p_m_conn->p_sys_mutex);
}
assert(false);
return RN_TCP_PARAM_ERR;
}
RJ_API void rj_m_conn_stop_conn(rj_net_m_conn_h handle, int conn_id)
{
rj_net_multi_conn_t *p_m_conn = (rj_net_multi_conn_t *)(handle);
assert (NULL != p_m_conn);
if (NULL != p_m_conn)
{
sys_mutex_lock(p_m_conn->p_sys_mutex);
// 找到连接, 并关闭
rj_net_conn_h net_conn = find_conn(p_m_conn->conn_list, conn_id);
if (NULL != net_conn)
{
rj_list_remove(p_m_conn->conn_list, (void*)net_conn);
rj_conn_stop(net_conn);
rj_conn_destroy(net_conn);
}
// 简单处理: 直接将当前接收的连接置空
// 下次接收数据的时候, 直接从连接列表头部开始
p_m_conn->curr_conn = rj_list_end(p_m_conn->conn_list);
sys_mutex_unlock(p_m_conn->p_sys_mutex);
}
}
static void dx_alloc_init(dx_alloc_type_desc_t *desc)
{
sys_mutex_lock(init_lock);
desc->total_size = desc->type_size;
if (desc->additional_size)
desc->total_size += *desc->additional_size;
//dx_log("ALLOC", LOG_TRACE, "Initialized Allocator - type=%s type-size=%d total-size=%d",
// desc->type_name, desc->type_size, desc->total_size);
if (!desc->global_pool) {
if (desc->config == 0)
desc->config = desc->total_size > 256 ?
&dx_alloc_default_config_big : &dx_alloc_default_config_small;
assert (desc->config->local_free_list_max >= desc->config->transfer_batch_size);
desc->global_pool = NEW(dx_alloc_pool_t);
DEQ_INIT(desc->global_pool->free_list);
desc->lock = sys_mutex();
desc->stats = NEW(dx_alloc_stats_t);
memset(desc->stats, 0, sizeof(dx_alloc_stats_t));
}
item_t *type_item = NEW(item_t);
DEQ_ITEM_INIT(type_item);
type_item->desc = desc;
DEQ_INSERT_TAIL(type_list, type_item);
sys_mutex_unlock(init_lock);
}
static void task1(void *pdata)
{
int timeout;
int i;
INT8U err;
char *p;
while(1)
{
dprintf("task1,%s\r\n",pdata);
//dprintf("sys_jiffies:%d\r\n",sys_jiffies());
//dprintf("sys_now:%dms\r\n",sys_now());
//p = OSQPend(mbox, 1, &err);
timeout = sys_arch_mbox_fetch(&sys_mbox, (void **)&p, 0);
sys_mutex_lock(&sys_mutex);
if(timeout != -1)
dprintf("task1 received mbox: %s\r\n",p);
sys_mutex_unlock(&sys_mutex);
//else
//OSTaskResume(9);
#if 0
if(err != OS_NO_ERR)
{
dprintf("task1 OSQPend err:%d\r\n",err);
OSTaskResume(9);
}
else
dprintf("task1 received mbox: %s\r\n",p);
#endif
}
}
/**
* Outgoing Link Writable Handler
*/
static int router_writable_link_handler(void* context, dx_link_t *link)
{
dx_router_t *router = (dx_router_t*) context;
int grant_delivery = 0;
pn_delivery_t *delivery;
dx_router_link_t *rlink = (dx_router_link_t*) dx_link_get_context(link);
pn_link_t *pn_link = dx_link_pn(link);
uint64_t tag;
sys_mutex_lock(router->lock);
if (DEQ_SIZE(rlink->out_fifo) > 0) {
grant_delivery = 1;
tag = router->dtag++;
}
sys_mutex_unlock(router->lock);
if (grant_delivery) {
pn_delivery(pn_link, pn_dtag((char*) &tag, 8));
delivery = pn_link_current(pn_link);
if (delivery) {
router_tx_handler(context, link, delivery);
return 1;
}
}
return 0;
}
/**
* New Outgoing Link Handler
*/
static int router_outgoing_link_handler(void* context, dx_link_t *link)
{
dx_router_t *router = (dx_router_t*) context;
pn_link_t *pn_link = dx_link_pn(link);
const char *r_tgt = pn_terminus_get_address(pn_link_remote_target(pn_link));
sys_mutex_lock(router->lock);
dx_router_link_t *rlink = new_dx_router_link_t();
rlink->link = link;
DEQ_INIT(rlink->out_fifo);
dx_link_set_context(link, rlink);
dx_field_iterator_t *iter = dx_field_iterator_string(r_tgt, ITER_VIEW_NO_HOST);
int result = hash_insert(router->out_hash, iter, rlink);
dx_field_iterator_free(iter);
if (result == 0) {
pn_terminus_copy(pn_link_source(pn_link), pn_link_remote_source(pn_link));
pn_terminus_copy(pn_link_target(pn_link), pn_link_remote_target(pn_link));
pn_link_open(pn_link);
sys_mutex_unlock(router->lock);
dx_log(module, LOG_TRACE, "Registered new local address: %s", r_tgt);
return 0;
}
dx_log(module, LOG_TRACE, "Address '%s' not registered as it already exists", r_tgt);
pn_link_close(pn_link);
sys_mutex_unlock(router->lock);
return 0;
}
static void push_event(action_t action, const char *type, void *object) {
if (!event_lock) return; /* Unit tests don't call qd_entity_cache_initialize */
sys_mutex_lock(event_lock);
entity_event_t *event = entity_event(action, type, object);
DEQ_INSERT_TAIL(event_list, event);
sys_mutex_unlock(event_lock);
}
/* Free TX buffers that are complete */
STATIC void lpc_tx_reclaim_st(lpc_enetdata_t *lpc_enetif, u32_t cidx)
{
#if NO_SYS == 0
/* Get exclusive access */
sys_mutex_lock(&lpc_enetif->tx_lock_mutex);
#endif
while (cidx != lpc_enetif->lpc_last_tx_idx) {
if (lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] != NULL) {
LWIP_DEBUGF(EMAC_DEBUG | LWIP_DBG_TRACE,
("lpc_tx_reclaim_st: Freeing packet %p (index %d)\n",
lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx],
lpc_enetif->lpc_last_tx_idx));
pbuf_free(lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx]);
lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] = NULL;
}
#if NO_SYS == 0
xSemaphoreGive(lpc_enetif->xtx_count_sem);
#endif
lpc_enetif->lpc_last_tx_idx++;
if (lpc_enetif->lpc_last_tx_idx >= LPC_NUM_BUFF_TXDESCS) {
lpc_enetif->lpc_last_tx_idx = 0;
}
}
#if NO_SYS == 0
/* Restore access */
sys_mutex_unlock(&lpc_enetif->tx_lock_mutex);
#endif
}
void qd_message_free(qd_message_t *in_msg)
{
if (!in_msg) return;
uint32_t rc;
qd_message_pvt_t *msg = (qd_message_pvt_t*) in_msg;
qd_buffer_list_free_buffers(&msg->ma_to_override);
qd_buffer_list_free_buffers(&msg->ma_trace);
qd_buffer_list_free_buffers(&msg->ma_ingress);
qd_message_content_t *content = msg->content;
sys_mutex_lock(content->lock);
rc = --content->ref_count;
sys_mutex_unlock(content->lock);
if (rc == 0) {
if (content->parsed_message_annotations)
qd_parse_free(content->parsed_message_annotations);
qd_buffer_t *buf = DEQ_HEAD(content->buffers);
while (buf) {
DEQ_REMOVE_HEAD(content->buffers);
qd_buffer_free(buf);
buf = DEQ_HEAD(content->buffers);
}
sys_mutex_free(content->lock);
free_qd_message_content_t(content);
}
free_qd_message_t((qd_message_t*) msg);
}
int
sys_threadpool_add_task(sys_threadpool *pool,
void(*task_proc)(void *),
void *args,
uint64_t *id)
{
sys_task task;
if (!pool)
return SYS_INVALID_ARGS;
if (pool->shutdown)
return SYS_TP_SHUTTING_DOWN;
sys_mutex_lock(pool->task_mutex);
task.id = pool->next_task_id++;
task.proc = task_proc;
task.args = args;
task.worker = NULL;
rt_queue_push(&pool->task_queue, &task);
sys_cond_var_signal(pool->task_notify);
sys_mutex_unlock(pool->task_mutex);
if (id)
*id = task.id;
return SYS_OK;
}
/** \brief Free TX buffers that are complete
*
* \param[in] lpc_enetif Pointer to driver data structure
* \param[in] cidx EMAC current descriptor comsumer index
*/
static void lpc_tx_reclaim_st(struct lpc_enetdata *lpc_enetif, u32_t cidx)
{
#if NO_SYS == 0
/* Get exclusive access */
sys_mutex_lock(&lpc_enetif->TXLockMutex);
#endif
while (cidx != lpc_enetif->lpc_last_tx_idx) {
if (lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] != NULL) {
LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
("lpc_tx_reclaim_st: Freeing packet %p (index %d)\r\n",
lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx],
lpc_enetif->lpc_last_tx_idx));
pbuf_free(lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx]);
lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] = NULL;
}
#if NO_SYS == 0
osSemaphoreRelease(lpc_enetif->xTXDCountSem.id);
#endif
lpc_enetif->lpc_last_tx_idx++;
if (lpc_enetif->lpc_last_tx_idx >= LPC_NUM_BUFF_TXDESCS)
lpc_enetif->lpc_last_tx_idx = 0;
}
#if NO_SYS == 0
/* Restore access */
sys_mutex_unlock(&lpc_enetif->TXLockMutex);
#endif
}
/**
* Remove (the only) strong reference.
*
* If it were real strong/weak pointers, we should also call
* destructor for the referenced object, but
*/
void
pollmgr_refptr_unref(struct pollmgr_refptr *rp)
{
sys_mutex_lock(&rp->lock);
LWIP_ASSERT1(rp->strong == 1);
--rp->strong;
if (rp->strong > 0) {
sys_mutex_unlock(&rp->lock);
}
else {
size_t weak;
/* void *ptr = rp->ptr; */
rp->ptr = NULL;
/* delete ptr; // see doc comment */
weak = rp->weak;
sys_mutex_unlock(&rp->lock);
if (weak == 0) {
pollmgr_refptr_delete(rp);
}
}
}
void qd_log_impl(qd_log_source_t *source, qd_log_level_t level, const char *file, int line, const char *fmt, ...)
{
if (!qd_log_enabled(source, level)) return;
qd_log_entry_t *entry = new_qd_log_entry_t();
DEQ_ITEM_INIT(entry);
entry->module = source->module;
entry->level = level;
entry->file = file ? strdup(file) : 0;
entry->line = line;
time(&entry->time);
va_list ap;
va_start(ap, fmt);
vsnprintf(entry->text, TEXT_MAX, fmt, ap);
va_end(ap);
write_log(source, entry);
// Bounded buffer of log entries, keep most recent.
sys_mutex_lock(log_lock);
DEQ_INSERT_TAIL(entries, entry);
if (DEQ_SIZE(entries) > LIST_MAX)
qd_log_entry_free_lh(DEQ_HEAD(entries));
sys_mutex_unlock(log_lock);
}
qd_log_source_t *qd_log_source(const char *module)
{
sys_mutex_lock(log_source_lock);
qd_log_source_t* src = qd_log_source_lh(module);
sys_mutex_unlock(log_source_lock);
return src;
}
uint64_t qdr_identifier(qdr_core_t* core)
{
sys_mutex_lock(core->id_lock);
uint64_t id = core->next_identifier++;
sys_mutex_unlock(core->id_lock);
return id;
}
/** \brief Free TX buffers that are complete
*
* \param[in] k64f_enet Pointer to driver data structure
*/
static void k64f_tx_reclaim(struct k64f_enetdata *k64f_enet)
{
uint8_t i;
volatile enet_bd_struct_t * bdPtr = (enet_bd_struct_t *)k64f_enet->tx_desc_start_addr;
/* Get exclusive access */
sys_mutex_lock(&k64f_enet->TXLockMutex);
// Traverse all descriptors, looking for the ones modified by the uDMA
i = k64f_enet->tx_consume_index;
while(i != k64f_enet->tx_produce_index && !(bdPtr[i].control & kEnetTxBdReady)) {
if (k64f_enet->txb_aligned[i]) {
free(k64f_enet->txb_aligned[i]);
k64f_enet->txb_aligned[i] = NULL;
} else if (k64f_enet->txb[i]) {
pbuf_free(k64f_enet->txb[i]);
k64f_enet->txb[i] = NULL;
}
osSemaphoreRelease(k64f_enet->xTXDCountSem.id);
bdPtr[i].controlExtend2 &= ~TX_DESC_UPDATED_MASK;
i = (i + 1) % ENET_TX_RING_LEN;
}
k64f_enet->tx_consume_index = i;
/* Restore access */
sys_mutex_unlock(&k64f_enet->TXLockMutex);
}
void qdr_action_enqueue(qdr_core_t *core, qdr_action_t *action)
{
sys_mutex_lock(core->action_lock);
DEQ_INSERT_TAIL(core->action_list, action);
sys_cond_signal(core->action_cond);
sys_mutex_unlock(core->action_lock);
}
void report_mem_leak(void)
{
unsigned short index;
MEM_LEAK * leak_info;
char *info;
sys_mutex_lock(&mem_mutex);
printf("ptr_start =%p\n",ptr_start);
info = (char *)zalloc(name_length);
if(info) {
for(leak_info = ptr_start; leak_info != NULL; leak_info = leak_info->next)
{
printf("%p\n",leak_info);
sprintf(info, "address : %p\n", leak_info->mem_info.address);
printf("%s\n",info);
sprintf(info, "size : %d bytes\n", leak_info->mem_info.size);
printf("%s\n",info);
snprintf(info,name_length,"file : %s\n", leak_info->mem_info.file_name);
printf("%s\n",info);
sprintf(info, "line : %d\n", leak_info->mem_info.line);
printf("%s\n",info);
}
clear();
free(info);
}
sys_mutex_unlock(&mem_mutex);
sys_mutex_free(&mem_mutex);
}
qd_log_source_t *qd_log_source_reset(const char *module)
{
sys_mutex_lock(log_source_lock);
qd_log_source_t* src = qd_log_source_lh(module);
qd_log_source_defaults(src);
sys_mutex_unlock(log_source_lock);
return src;
}
void sys_lock_tcpip_core(void)
{
sys_mutex_lock(&lock_tcpip_core);
if (lwip_core_lock_count == 0) {
lwip_core_lock_holder_thread = xTaskGetCurrentTaskHandle();
}
lwip_core_lock_count++;
}
static void
call_synced_function(struct threadsync_data *call_data, snmp_threadsync_called_fn fn)
{
sys_mutex_lock(&call_data->threadsync_node->instance->sem_usage_mutex);
call_data->threadsync_node->instance->sync_fn(fn, call_data);
sys_sem_wait(&call_data->threadsync_node->instance->sem);
sys_mutex_unlock(&call_data->threadsync_node->instance->sem_usage_mutex);
}
void sys_process_exit(ppu_thread& ppu, s32 status)
{
sysPrxForUser.warning("sys_process_exit(status=%d)", status);
sys_mutex_lock(ppu, *g_ppu_exit_mutex, 0);
// TODO (process atexit)
return _sys_process_exit(ppu, status, 0, 0);
}
RJ_API int rj_m_conn_recv(rj_net_m_conn_h handle, int *p_conn_id, rj_net_r_h *p_recv_data)
{
rj_net_multi_conn_t *p_m_conn = (rj_net_multi_conn_t *)(handle);
assert (NULL != p_m_conn);
assert (NULL != p_conn_id);
assert (NULL != p_recv_data);
if ((NULL != p_m_conn) && (NULL != p_conn_id) && (NULL != p_recv_data))
{
sys_mutex_lock(p_m_conn->p_sys_mutex);
//如果连接为0, 则直接退出
if(rj_list_size(p_m_conn->conn_list) <= 0)
{
sys_mutex_unlock(p_m_conn->p_sys_mutex);
return RN_TCP_OTHER;
}
//当前待接收的通道为空, 则取得一个连接
if (rj_list_end(p_m_conn->conn_list) == p_m_conn->curr_conn)
{
assert (NULL != p_m_conn->conn_list);
p_m_conn->curr_conn = rj_list_begin(p_m_conn->conn_list);
}
assert (rj_list_end(p_m_conn->conn_list) != p_m_conn->curr_conn);
// 取到需要接收的通道后, 取这个通道的数据
rj_net_conn_h net_conn = (rj_net_conn_h)rj_iter_data(p_m_conn->curr_conn);
if (NULL != net_conn)
{
// 将接收通道, 移到下一个通道
p_m_conn->curr_conn = rj_iter_add(p_m_conn->curr_conn);
// 取得这个连接的id
*p_conn_id = rj_conn_id(net_conn);
// 接收这个通道的数据
// 注意: 这个地方取得接收结果, 可能为通道已断开
// 调用者后续需要调用 rj_m_conn_stop_conn 来关闭通道
int ret = rj_conn_recv(net_conn, p_recv_data);
sys_mutex_unlock(p_m_conn->p_sys_mutex);
return ret;
}
else
{
// 内部逻辑错误
assert(false);
}
sys_mutex_unlock(p_m_conn->p_sys_mutex);
}
assert(false);
return RN_TCP_PARAM_ERR;
}
void qdr_agent_enqueue_response_CT(qdr_core_t *core, qdr_query_t *query)
{
sys_mutex_lock(core->query_lock);
DEQ_INSERT_TAIL(core->outgoing_query_list, query);
bool notify = DEQ_SIZE(core->outgoing_query_list) == 1;
sys_mutex_unlock(core->query_lock);
if (notify)
qd_timer_schedule(core->agent_timer, 0);
}