my_no_pthread.h

来自「能够连接各种数据库的API」· C头文件 代码 · 共 33 行

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA */

/*
  This undefs some pthread mutex locks when one isn't using threads
  to make thread safe code, that should also work in single thread
  environment, easier to use.
*/

#if !defined(_my_no_pthread_h) && !defined(THREADS)
#define _my_no_pthread_h

#define pthread_mutex_init(A,B)
#define pthread_mutex_lock(A)
#define pthread_mutex_unlock(A)
#define pthread_mutex_destroy(A)

#endif