pthread: copy priority inheritance fix from espressif
commit 202e6c8984255b551e29e3182e091cf7cd0153b0
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@ -591,12 +591,15 @@ int pthread_mutex_destroy(pthread_mutex_t *mutex)
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return EBUSY;
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}
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// FreeRTOS mutex must not be deleted while taken (breaks priority inheritance):
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vTaskSuspendAll();
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pthread_mutex_unlock(mutex);
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if (mux->type == PTHREAD_MUTEX_RECURSIVE) {
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res = xSemaphoreGiveRecursive(mux->sem);
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} else {
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res = xSemaphoreGive(mux->sem);
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}
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if (res != pdTRUE) {
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assert(false && "Failed to release mutex!");
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}
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vSemaphoreDelete(mux->sem);
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xTaskResumeAll();
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free(mux);
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return 0;
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