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From hgo...@apache.org
Subject cvs commit: jakarta-tomcat/proposals/web-connector/native/common jk_mt.h
Date Thu, 03 May 2001 14:30:04 GMT
hgomez      01/05/03 07:30:04

  Added:       proposals/web-connector/native/common jk_mt.h
  Log:
  multi-threading defines
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat/proposals/web-connector/native/common/jk_mt.h
  
  Index: jk_mt.h
  ===================================================================
  /*
   * Copyright (c) 1997-1999 The Java Apache Project.  All rights reserved.
   *
   * 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. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the Java Apache 
   *    Project for use in the Apache JServ servlet engine project
   *    <http://java.apache.org/>."
   *
   * 4. The names "Apache JServ", "Apache JServ Servlet Engine" and 
   *    "Java Apache Project" must not be used to endorse or promote products 
   *    derived from this software without prior written permission.
   *
   * 5. Products derived from this software may not be called "Apache JServ"
   *    nor may "Apache" nor "Apache JServ" appear in their names without 
   *    prior written permission of the Java Apache Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the Java Apache 
   *    Project for use in the Apache JServ servlet engine project
   *    <http://java.apache.org/>."
   *    
   * THIS SOFTWARE IS PROVIDED BY THE JAVA APACHE PROJECT "AS IS" AND ANY
   * EXPRESSED 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 JAVA APACHE PROJECT OR
   * ITS 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.
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Java Apache Group. For more information
   * on the Java Apache Project and the Apache JServ Servlet Engine project,
   * please see <http://java.apache.org/>.
   *
   */
  
  /***************************************************************************
   * Description: Multi thread portability code for JK                       *
   * Author:      Gal Shachor <shachor@il.ibm.com>                           *
   * Version:     $Revision: 1.1 $                                            *
   ***************************************************************************/
  
  #ifndef _JK_MT_H
  #define _JK_MT_H
  
  #include "jk_global.h"
  
  /*
   * All WIN32 code is MT, UNIX code that uses pthreads is marked by the POSIX 
   * _REENTRANT define.
   */
  #if defined (WIN32) || defined(_REENTRANT)
  
      /*
       * Marks execution under MT compilation
       */
      #define _MT_CODE
  
      #ifdef WIN32
  
          #include <windows.h>
  
          typedef CRITICAL_SECTION JK_CRIT_SEC;
  
          #define JK_INIT_CS(x, rc) InitializeCriticalSection(x); rc = JK_TRUE;
          #define JK_DELETE_CS(x, rc) DeleteCriticalSection(x); rc = JK_TRUE;
          #define JK_ENTER_CS(x, rc) EnterCriticalSection(x); rc = JK_TRUE;
          #define JK_LEAVE_CS(x, rc) LeaveCriticalSection(x); rc = JK_TRUE;
  
      #else /* Unix pthreads */
  
          #include <pthread.h>
  
          typedef pthread_mutex_t	JK_CRIT_SEC;
  
          #define JK_INIT_CS(x, rc)\
              if(pthread_mutex_init(x, NULL)) rc = JK_FALSE; else rc = JK_TRUE; 
  
          #define JK_DELETE_CS(x, rc)\
              if(pthread_mutex_lock(x)) rc = JK_FALSE; else rc = JK_TRUE; 
  
          #define JK_ENTER_CS(x, rc)\
              if(pthread_mutex_unlock(x)) rc = JK_FALSE; else rc = JK_TRUE; 
  
          #define JK_LEAVE_CS(x, rc)\
              if(pthread_mutex_destroy(x)) rc = JK_FALSE; else rc = JK_TRUE; 
      #endif /* Unix pthreads */
  
  #else /* Not an MT code */
  
      typedef void *JK_CRIT_SEC;
  
      #define JK_INIT_CS(x, rc) rc = JK_TRUE;
      #define JK_DELETE_CS(x, rc) rc = JK_TRUE;
      #define JK_ENTER_CS(x, rc) rc = JK_TRUE;
      #define JK_LEAVE_CS(x, rc) rc = JK_TRUE;
  
  #endif /* Not an MT code */
  
  #endif /* _JK_MT_H */
  
  
  

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