incubator-nuttx/libs/libc/signal/sig_emptyset.c

64 lines
2.1 KiB
C

/****************************************************************************
* libs/libc/signal/sig_emptyset.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <signal.h>
#include <nuttx/signal.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sigemptyset
*
* Description:
* This function initializes the signal set specified by set such that all
* signals are excluded.
*
* Input Parameters:
* set - Signal set to initialize
*
* Returned Value:
* 0 (OK), or -1 (ERROR) if the signal set cannot be initialized.
*
* Assumptions:
*
****************************************************************************/
int sigemptyset(FAR sigset_t *set)
{
int ndx;
/* Remove all signals from the set */
for (ndx = 0; ndx < _SIGSET_NELEM; ndx++)
{
set->_elem[ndx] = _NO_SIGNALS;
}
return OK;
}