mirror of
https://github.com/azure-rtos/threadx
synced 2025-02-06 08:08:27 +08:00
103 lines
5.3 KiB
C
103 lines
5.3 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_setcancelstate PORTABLE C */
|
||
/* 6.1.7 */
|
||
/* AUTHOR */
|
||
/* */
|
||
/* William E. Lamie, Microsoft Corporation */
|
||
/* */
|
||
/* DESCRIPTION */
|
||
/* */
|
||
/* The pthread_setcancelstate()function shall atomically both set the */
|
||
/* calling thread<61>s cancelability state to the indicated state and */
|
||
/* return the previous cancelability state at the location referenced */
|
||
/* by oldstate.Legal values for state are PTHREAD_CANCEL_ENABLE and */
|
||
/* PTHREAD_CANCEL_DISABLE. */
|
||
/* */
|
||
/* INPUT */
|
||
/* */
|
||
/* state New cancelability state to be set */
|
||
/* oldstate Pointer to old cancelability state */
|
||
/* */
|
||
/* OUTPUT */
|
||
/* */
|
||
/* 0 if successful */
|
||
/* Value in case of any error */
|
||
/* */
|
||
/* CALLS */
|
||
/* */
|
||
/* None */
|
||
/* */
|
||
/* CALLED BY */
|
||
/* */
|
||
/* Application Code */
|
||
/* */
|
||
/* RELEASE HISTORY */
|
||
/* */
|
||
/* DATE NAME DESCRIPTION */
|
||
/* */
|
||
/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
|
||
/* */
|
||
/**************************************************************************/
|
||
INT pthread_setcancelstate (INT state, INT *oldstate)
|
||
{
|
||
|
||
TX_INTERRUPT_SAVE_AREA
|
||
|
||
TX_THREAD *thread_ptr;
|
||
POSIX_TCB *pthread_ptr;
|
||
|
||
/* First check for validity of the new cancel state to be set */
|
||
if ( (state == PTHREAD_CANCEL_ENABLE) || (state == PTHREAD_CANCEL_DISABLE) )
|
||
{
|
||
TX_DISABLE
|
||
|
||
/* Get the thread identifier of the currently running thread */
|
||
thread_ptr = tx_thread_identify();
|
||
/* get posix TCB for this pthread */
|
||
pthread_ptr = (POSIX_TCB *)thread_ptr;
|
||
*oldstate = pthread_ptr->cancel_state;
|
||
pthread_ptr->cancel_state = state;
|
||
|
||
TX_RESTORE
|
||
|
||
return(OK);
|
||
}
|
||
else
|
||
{
|
||
posix_errno = EINVAL;
|
||
posix_set_pthread_errno(EINVAL);
|
||
return (EINVAL);
|
||
}
|
||
}
|