/**************************************************************************** * libs/libc/pthread/pthread_mutexattr_setrobust.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: pthread_mutexattr_setrobust * * Description: * Set the mutex robustness in the mutex attributes. * * Input Parameters: * attr - The mutex attributes in which to set the mutex type. * robust - The mutex type value to set. * * Returned Value: * 0, if the mutex robustness was successfully set in 'attr', or * EINVAL, if 'attr' is NULL or 'robust' unrecognized. * * Assumptions: * ****************************************************************************/ int pthread_mutexattr_setrobust(pthread_mutexattr_t *attr, int robust) { #if defined(CONFIG_PTHREAD_MUTEX_UNSAFE) if (attr != NULL && robust == PTHREAD_MUTEX_STALLED) { return OK; } return EINVAL; #elif defined(CONFIG_PTHREAD_MUTEX_BOTH) if (attr != NULL && (robust == PTHREAD_MUTEX_STALLED || robust == PTHREAD_MUTEX_ROBUST)) { attr->robust = robust; return OK; } return EINVAL; #else /* Default: CONFIG_PTHREAD_MUTEX_ROBUST */ if (attr != NULL && robust == _PTHREAD_MFLAGS_ROBUST) { return OK; } return EINVAL; #endif }