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fff98f6316
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3693 d0543943-73ff-0310-b7d9-9358b9ac24b2
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* File: pripcsem.c
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*
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* Description: implements the named semaphores API in prsemipc.h
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* for classic NSPR. If _PR_HAVE_NAMED_SEMAPHORES is not defined,
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* the named semaphore functions all fail with the error code
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* PR_NOT_IMPLEMENTED_ERROR.
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*/
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#include "primpl.h"
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#ifdef _PR_PTHREADS
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#error "This file should not be compiled for the pthreads version"
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#else
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#ifndef _PR_HAVE_NAMED_SEMAPHORES
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PRSem * _PR_MD_OPEN_SEMAPHORE(
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const char *osname, PRIntn flags, PRIntn mode, PRUintn value)
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{
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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return NULL;
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}
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PRStatus _PR_MD_WAIT_SEMAPHORE(PRSem *sem)
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{
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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return PR_FAILURE;
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}
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PRStatus _PR_MD_POST_SEMAPHORE(PRSem *sem)
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{
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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return PR_FAILURE;
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}
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PRStatus _PR_MD_CLOSE_SEMAPHORE(PRSem *sem)
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{
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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return PR_FAILURE;
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}
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PRStatus _PR_MD_DELETE_SEMAPHORE(const char *osname)
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{
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PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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return PR_FAILURE;
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}
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#endif /* !_PR_HAVE_NAMED_SEMAPHORES */
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PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
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const char *name, PRIntn flags, PRIntn mode, PRUintn value)
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{
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char osname[PR_IPC_NAME_SIZE];
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if (!_pr_initialized) _PR_ImplicitInitialization();
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if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem)
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== PR_FAILURE) {
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return NULL;
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}
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return _PR_MD_OPEN_SEMAPHORE(osname, flags, mode, value);
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}
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PR_IMPLEMENT(PRStatus) PR_WaitSemaphore(PRSem *sem)
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{
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return _PR_MD_WAIT_SEMAPHORE(sem);
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}
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PR_IMPLEMENT(PRStatus) PR_PostSemaphore(PRSem *sem)
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{
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return _PR_MD_POST_SEMAPHORE(sem);
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}
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PR_IMPLEMENT(PRStatus) PR_CloseSemaphore(PRSem *sem)
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{
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return _PR_MD_CLOSE_SEMAPHORE(sem);
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}
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PR_IMPLEMENT(PRStatus) PR_DeleteSemaphore(const char *name)
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{
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char osname[PR_IPC_NAME_SIZE];
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if (!_pr_initialized) _PR_ImplicitInitialization();
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if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem)
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== PR_FAILURE) {
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return PR_FAILURE;
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}
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return _PR_MD_DELETE_SEMAPHORE(osname);
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}
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#endif /* _PR_PTHREADS */
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