/************************************************************ * sem_findnamed.c * * Copyright (C) 2007 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 Gregory Nutt 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 #include #include "sem_internal.h" /************************************************************ * Compilation Switches ************************************************************/ /************************************************************ * Definitions ************************************************************/ /************************************************************ * Private Type Declarations ************************************************************/ /************************************************************ * Global Variables ************************************************************/ /************************************************************ * Private Variables ************************************************************/ /************************************************************ * Private Functions ************************************************************/ /************************************************************ * Public Functions ************************************************************/ /************************************************************ * Function: sem_findnamed * * Description: * Search the g_nsems list to find the semaphore with * the matching name. * * Parameters: * name - semaphore name * * Return Value: * Pointer to the semaphore or NULL if not found * ************************************************************/ nsem_t *sem_findnamed(const char *name) { nsem_t *psem; /* Search the list of named semaphores */ for (psem = (nsem_t*)g_nsems.head; (psem); psem = psem->flink) { if (!strcmp(name, psem->name)) { break; } } return(psem); }