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mirror of https://github.com/azure-rtos/threadx synced 2025-01-30 08:02:57 +08:00
2021-07-28 07:24:02 +00:00

88 lines
5.1 KiB
C

/**************************************************************************/
/* */
/* 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 */
#include "tx_thread.h" /* Internal ThreadX thread management. */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* sigdelset PORTABLE C */
/* 6.1.7 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function deletes the individual signal specified by the signo */
/* from the signal set pointed to by set. */
/* */
/* INPUT */
/* */
/* set Pointer to set of signals */
/* signo Signal */
/* */
/* OUTPUT */
/* */
/* OK If successful */
/* ERROR If error occurs */
/* */
/* CALLS */
/* */
/* posix_set_pthread_errno */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
/* */
/**************************************************************************/
int sigdelset(sigset_t *set, int signo)
{
/* Determine if the desired signal is valid. */
if ((signo < 0) || (signo > SIGRTMAX))
{
/* Return an error. */
posix_set_pthread_errno(EINVAL);
return(EINVAL);
}
/* All is okay, clear the appropriate signal bit. */
set -> signal_set = set -> signal_set & ~(((unsigned long) 1) << signo);
/* Return success! */
return(OK);
}