e4f63819a1
1. remove GKI(not use osi_free_and_reset) 2. modify mutex/semaphore to individual directory 3. set osi_malloc as malloc(previously use calloc) 4. change osi allocator debug osi_free 5. fix rebase of remove GKI
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2015 Google, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* 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 "semaphore.h"
|
|
|
|
/*-----------------------------------------------------------------------------------*/
|
|
// Creates and returns a new semaphore. The "init_count" argument specifies
|
|
// the initial state of the semaphore, "max_count" specifies the maximum value
|
|
// that can be reached.
|
|
int osi_sem_new(osi_sem_t *sem, uint32_t max_count, uint32_t init_count)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (sem) {
|
|
*sem = xSemaphoreCreateCounting(max_count, init_count);
|
|
if ((*sem) != NULL) {
|
|
ret = 0;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------------------------*/
|
|
// Give a semaphore
|
|
void osi_sem_give(osi_sem_t *sem)
|
|
{
|
|
xSemaphoreGive(*sem);
|
|
}
|
|
|
|
/*
|
|
Blocks the thread while waiting for the semaphore to be
|
|
signaled. If the "timeout" argument is non-zero, the thread should
|
|
only be blocked for the specified time (measured in
|
|
milliseconds).
|
|
|
|
*/
|
|
int
|
|
osi_sem_take(osi_sem_t *sem, uint32_t timeout)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (timeout == OSI_SEM_MAX_TIMEOUT) {
|
|
if (xSemaphoreTake(*sem, portMAX_DELAY) != pdTRUE) {
|
|
ret = -1;
|
|
}
|
|
} else {
|
|
if (xSemaphoreTake(*sem, timeout / portTICK_PERIOD_MS) != pdTRUE) {
|
|
ret = -2;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
// Deallocates a semaphore
|
|
void osi_sem_free(osi_sem_t *sem)
|
|
{
|
|
vSemaphoreDelete(*sem);
|
|
*sem = NULL;
|
|
}
|