~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/* Copyright (C) 2000 MySQL AB
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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#if !defined(_my_no_pthread_h) && !defined(THREAD)
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#define _my_no_pthread_h
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/*
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  This block is to access some thread-related type definitions
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  even in builds which do not need thread functions,
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  as some variables (based on these types) are declared
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  even in non-threaded builds.
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  Case in point: 'mf_keycache.c'
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*/
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#include <pthread.h>
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/*
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  This undefs some pthread mutex locks when one isn't using threads
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  to make thread safe code, that should also work in single thread
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  environment, easier to use.
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*/
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#define pthread_mutex_init(A,B)
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#define pthread_mutex_lock(A)
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#define pthread_mutex_unlock(A)
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#define pthread_mutex_destroy(A)
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#define my_rwlock_init(A,B)
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#define rw_rdlock(A)
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#define rw_wrlock(A)
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#define rw_unlock(A)
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#define rwlock_destroy(A)
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#endif