Release 6.1.7
This commit is contained in:
103
utility/rtos_compatibility_layers/posix/px_pth_setcancelstate.c
Normal file
103
utility/rtos_compatibility_layers/posix/px_pth_setcancelstate.c
Normal file
@@ -0,0 +1,103 @@
|
||||
/**************************************************************************/
|
||||
/* */
|
||||
/* Copyright (c) Microsoft Corporation. All rights reserved. */
|
||||
/* */
|
||||
/* This software is licensed under the Microsoft Software License */
|
||||
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
|
||||
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
|
||||
/* and in the root directory of this software. */
|
||||
/* */
|
||||
/**************************************************************************/
|
||||
|
||||
|
||||
/**************************************************************************/
|
||||
/**************************************************************************/
|
||||
/** */
|
||||
/** 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.x */
|
||||
/* 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 */
|
||||
/* */
|
||||
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
|
||||
/* */
|
||||
/**************************************************************************/
|
||||
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);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user