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Merge branch 'bugfix/ringbuf_send_semaphore_release_order_v4.4' into 'release/v4.4'

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esp_ringbuf: Fix order of semaphore release in xRingbufferSend (v4.4)

See merge request espressif/esp-idf!16229
This commit is contained in:
Jiang Jiang Jian
2021-12-08 10:26:12 +00:00
parent b4a32e3812 92829f66c8
commit f2db4c7520
1 changed files with 11 additions and 19 deletions
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30
components/esp_ringbuf/ringbuf.c
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@@ -1,16 +1,8 @@
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD /*
// * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
// Licensed under the Apache License, Version 2.0 (the "License"); *
// you may not use this file except in compliance with the License. * SPDX-License-Identifier: Apache-2.0
// You may obtain a copy of the License at */
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@@ -1076,13 +1068,13 @@ BaseType_t xRingbufferSend(RingbufHandle_t xRingbuffer,
*/ */
} }
if (xReturnSemaphore == pdTRUE) {
xSemaphoreGive(rbGET_TX_SEM_HANDLE(pxRingbuffer)); //Give back semaphore so other tasks can send
}
if (xReturn == pdTRUE) { if (xReturn == pdTRUE) {
//Indicate item was successfully sent //Indicate item was successfully sent
xSemaphoreGive(rbGET_RX_SEM_HANDLE(pxRingbuffer)); xSemaphoreGive(rbGET_RX_SEM_HANDLE(pxRingbuffer));
} }
if (xReturnSemaphore == pdTRUE) {
xSemaphoreGive(rbGET_TX_SEM_HANDLE(pxRingbuffer)); //Give back semaphore so other tasks can send
}
return xReturn; return xReturn;
} }
@@ -1118,13 +1110,13 @@ BaseType_t xRingbufferSendFromISR(RingbufHandle_t xRingbuffer,
} }
portEXIT_CRITICAL_ISR(&pxRingbuffer->mux); portEXIT_CRITICAL_ISR(&pxRingbuffer->mux);
if (xReturnSemaphore == pdTRUE) {
xSemaphoreGiveFromISR(rbGET_TX_SEM_HANDLE(pxRingbuffer), pxHigherPriorityTaskWoken); //Give back semaphore so other tasks can send
}
if (xReturn == pdTRUE) { if (xReturn == pdTRUE) {
//Indicate item was successfully sent //Indicate item was successfully sent
xSemaphoreGiveFromISR(rbGET_RX_SEM_HANDLE(pxRingbuffer), pxHigherPriorityTaskWoken); xSemaphoreGiveFromISR(rbGET_RX_SEM_HANDLE(pxRingbuffer), pxHigherPriorityTaskWoken);
} }
if (xReturnSemaphore == pdTRUE) {
xSemaphoreGiveFromISR(rbGET_TX_SEM_HANDLE(pxRingbuffer), pxHigherPriorityTaskWoken); //Give back semaphore so other tasks can send
}
return xReturn; return xReturn;
} }