xref: /nrf52832-nimble/packages/NimBLE-latest/porting/npl/linux/src/os_atomic.c (revision 042d53a763ad75cb1465103098bb88c245d95138)
1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied.  See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  */
19 
20 #include <stdint.h>
21 #include <pthread.h>
22 
23 #include "nimble/nimble_npl.h"
24 
25 static pthread_mutex_t s_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
26 
ble_npl_hw_enter_critical(void)27 uint32_t ble_npl_hw_enter_critical(void)
28 {
29     pthread_mutex_lock(&s_mutex);
30     return 0;
31 }
32 
ble_npl_hw_exit_critical(uint32_t ctx)33 void ble_npl_hw_exit_critical(uint32_t ctx)
34 {
35     pthread_mutex_unlock(&s_mutex);
36 }
37