mirror of
https://github.com/azure-rtos/threadx
synced 2025-01-30 08:02:57 +08:00
88 lines
5.1 KiB
C
88 lines
5.1 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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#include "tx_thread.h" /* Internal ThreadX thread management. */
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* sigdelset 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 deletes the individual signal specified by the signo */
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/* from the signal set pointed to by set. */
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/* */
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/* INPUT */
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/* */
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/* set Pointer to set of signals */
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/* signo Signal */
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/* */
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/* OUTPUT */
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/* */
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/* OK If successful */
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/* ERROR If error occurs */
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/* */
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/* CALLS */
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/* */
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/* posix_set_pthread_errno */
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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 sigdelset(sigset_t *set, int signo)
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{
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/* Determine if the desired signal is valid. */
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if ((signo < 0) || (signo > SIGRTMAX))
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{
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/* Return an error. */
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posix_set_pthread_errno(EINVAL);
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return(EINVAL);
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}
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/* All is okay, clear the appropriate signal bit. */
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set -> signal_set = set -> signal_set & ~(((unsigned long) 1) << signo);
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/* Return success! */
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return(OK);
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}
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