From 68551d0cf274eacbf5c6de959e7bf812a6ee7eba Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 2 Apr 2011 15:25:22 +0000 Subject: Kernel build mostly successful git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3454 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/lib/signal/sig_ismember.c | 101 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 nuttx/lib/signal/sig_ismember.c (limited to 'nuttx/lib/signal/sig_ismember.c') diff --git a/nuttx/lib/signal/sig_ismember.c b/nuttx/lib/signal/sig_ismember.c new file mode 100644 index 000000000..88dc8d819 --- /dev/null +++ b/nuttx/lib/signal/sig_ismember.c @@ -0,0 +1,101 @@ +/**************************************************************************** + * lib/signal/sig_ismember.c + * + * Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Type Declarations + ****************************************************************************/ + +/**************************************************************************** + * Global Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Function: sigismember + * + * Description: + * This function tests whether the signal specified by signo is a member + * of the set specified by set. + * + * Parameters: + * set - Signal set to test + * signo - Signal to test for + * + * Return Value: + * 1 (true), if the specified signal is a member of the set, + * 0 (OK or FALSE), if it is not, or + * -1 (ERROR) if the signal number is invalid. + * + * Assumptions: + * + ****************************************************************************/ + +int sigismember(FAR const sigset_t *set, int signo) +{ + int ret = ERROR; + + /* Verify the signal */ + + if (GOOD_SIGNO(signo)) + { + /* Check if the signal is in the set */ + + ret = ((*set & SIGNO2SET(signo)) != 0); + } + + return ret; +} + -- cgit v1.2.3