From d2173ba1e87abc89cd22106c381d6a48b1b06b84 Mon Sep 17 00:00:00 2001
From: xutao <xutao@espressif.com>
Date: Tue, 17 Nov 2020 14:33:19 +0800
Subject: [PATCH]     pthread: fix the priority inheritance

    When `pthread_mutex_destroy` is used to release mutex, `pthread_mutex_lock_internal` is used,
     which results in the increase of `uxmutexehold` and no recovery base priority
---
 components/pthread/pthread.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/components/pthread/pthread.c b/components/pthread/pthread.c
index ce0c064ce3..a2cfd980b5 100644
--- a/components/pthread/pthread.c
+++ b/components/pthread/pthread.c
@@ -593,6 +593,15 @@ int pthread_mutex_destroy(pthread_mutex_t *mutex)
         return EBUSY;
     }
 
+    if (mux->type == PTHREAD_MUTEX_RECURSIVE) {
+        res = xSemaphoreGiveRecursive(mux->sem);
+    } else {
+        res = xSemaphoreGive(mux->sem);
+    }
+    if (res != pdTRUE) {
+        assert(false && "Failed to release mutex!");
+    }
+
     vSemaphoreDelete(mux->sem);
     free(mux);