mirror of
https://github.com/eclipse-threadx/threadx.git
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101 lines
5.3 KiB
C
101 lines
5.3 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** POSIX wrapper for THREADX */
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/** */
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/** */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/* Include necessary system files. */
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#include "tx_api.h" /* Threadx API */
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#include "pthread.h" /* Posix API */
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#include "px_int.h" /* Posix helper functions */
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* pthread_mutex_destroy PORTABLE C */
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/* 6.1.7 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function shall destroy the mutex object referenced by mutex; */
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/* the mutex object becomes,in effect, uninitialized.A destroyed mutex */
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/* object can be reinitialized using pthread_mutex_init() */
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/* It shall be safe to destroy an initialized mutex that is unlocked. */
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/* Attempting to destroy a locked mutex results in undefined behavior. */
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/* */
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/* INPUT */
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/* */
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/* mutex Address of the mutex */
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/* */
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/* OUTPUT */
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/* */
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/* 0 If successful */
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/* Value In case of any error */
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/* */
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/* CALLS */
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/* */
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/* tx_mutex_delete ThreadX Mutex service */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
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/* */
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/**************************************************************************/
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INT pthread_mutex_destroy(pthread_mutex_t *mutex)
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{
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TX_INTERRUPT_SAVE_AREA
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TX_MUTEX *mutex_ptr;
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INT status,retval;
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/* Disable interrupts. */
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TX_DISABLE
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mutex_ptr = (TX_MUTEX*) mutex;
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status = tx_mutex_delete(mutex_ptr);
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if (status == TX_SUCCESS)
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{
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mutex->in_use = TX_FALSE;
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retval = OK;
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}
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else
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{
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posix_errno = EINVAL;
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posix_set_pthread_errno(EINVAL);
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retval = EINVAL;
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}
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TX_RESTORE
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return(retval);
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}
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