mirror of
https://github.com/eclipse-threadx/threadx.git
synced 2025-11-16 12:34:48 +00:00
101 lines
5.4 KiB
C
101 lines
5.4 KiB
C
/***************************************************************************
|
|
* Copyright (c) 2024 Microsoft Corporation
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the MIT License which is available at
|
|
* https://opensource.org/licenses/MIT.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
**************************************************************************/
|
|
|
|
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
/** */
|
|
/** POSIX wrapper for THREADX */
|
|
/** */
|
|
/** */
|
|
/** */
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
|
|
/* Include necessary system files. */
|
|
|
|
#include "tx_api.h" /* Threadx API */
|
|
#include "pthread.h" /* Posix API */
|
|
#include "px_int.h" /* Posix helper functions */
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* FUNCTION RELEASE */
|
|
/* */
|
|
/* pthread_cond_destroy PORTABLE C */
|
|
/* 6.1.7 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* William E. Lamie, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* The pthread_cond_destroy function shall destroy the given condition */
|
|
/* variable specified by cond; the object becomes, in effect, */
|
|
/* uninitialized. */
|
|
/* A destroyed condition variable object can be reinitialized using */
|
|
/* pthread_cond_init;referencing the object after it has been destroyed*/
|
|
/* returns error. */
|
|
/* */
|
|
/* INPUT */
|
|
/* */
|
|
/* cond condition variable object */
|
|
/* */
|
|
/* OUTPUT */
|
|
/* */
|
|
/* OK If successful */
|
|
/* EINVAL If error */
|
|
/* */
|
|
/* CALLS */
|
|
/* */
|
|
/* tx_semaphore_delete Deletes a semaphore internal to */
|
|
/* to the cond variable */
|
|
/* */
|
|
/* CALLED BY */
|
|
/* */
|
|
/* Application Code */
|
|
/* */
|
|
/* RELEASE HISTORY */
|
|
/* */
|
|
/* DATE NAME DESCRIPTION */
|
|
/* */
|
|
/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
|
|
/* */
|
|
/**************************************************************************/
|
|
INT pthread_cond_destroy(pthread_cond_t *cond)
|
|
{
|
|
|
|
TX_SEMAPHORE *semaphore_ptr;
|
|
UINT status;
|
|
|
|
if (cond->in_use == TX_FALSE)
|
|
{
|
|
posix_errno = EINVAL;
|
|
posix_set_pthread_errno(EINVAL);
|
|
return(EINVAL);
|
|
}
|
|
else
|
|
{
|
|
cond->in_use = TX_FALSE;
|
|
/* Get the condition variable's internal semaphore. */
|
|
/* Simply convert the Condition variable control block into a semaphore a cast */
|
|
semaphore_ptr = (&( cond->cond_semaphore ));
|
|
status = tx_semaphore_delete(semaphore_ptr);
|
|
if (status != TX_SUCCESS)
|
|
{
|
|
posix_errno = EINVAL;
|
|
posix_set_pthread_errno(EINVAL);
|
|
return(EINVAL);
|
|
}
|
|
return(OK);
|
|
}
|
|
}
|
|
|