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mdns: use binary semaphore instead of mutex when searching

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mdns_search_once_t::lock is used to synchronize tasks (taken by one
task and given by the other) so it should not be a mutex.
Convert to semaphore, and rename to indicate its purpose.


* Original commit: espressif/esp-idf@eef0b5090a
This commit is contained in:
Ivan Grokhotkov
2019-03-04 16:59:09 +08:00
committed by suren-gabrielyan-espressif
parent b6efc688b5
commit 34f6d8dd33
2 changed files with 7 additions and 12 deletions
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5
components/mdns/private_include/mdns_private.h
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@ -115,9 +115,6 @@
#define PCB_STATE_IS_ANNOUNCING(s) (s->state > PCB_PROBE_3 && s->state < PCB_RUNNING)
#define PCB_STATE_IS_RUNNING(s) (s->state == PCB_RUNNING)
#define MDNS_SEARCH_LOCK() xSemaphoreTake(_mdns_server->search.lock, portMAX_DELAY)
#define MDNS_SEARCH_UNLOCK() xSemaphoreGive(_mdns_server->search.lock)
#ifndef HOOK_MALLOC_FAILED
#define HOOK_MALLOC_FAILED ESP_LOGE(TAG, "Cannot allocate memory (line: %d, free heap: %d bytes)", __LINE__, esp_get_free_heap_size());
#endif
@ -318,7 +315,7 @@ typedef struct mdns_search_once_s {
uint32_t started_at;
uint32_t sent_at;
uint32_t timeout;
SemaphoreHandle_t lock;
SemaphoreHandle_t done_semaphore;
uint16_t type;
uint8_t max_results;
uint8_t num_results;