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  • Committer: Monty Taylor
  • Date: 2010-12-02 22:51:54 UTC
  • mto: (1975.1.1 build)
  • mto: This revision was merged to the branch mainline in revision 1976.
  • Revision ID: mordred@inaugust.com-20101202225154-h54ifmga9x6cckgs
Refactored syslog module and changed it to use sys_var directly.

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plugin/innobase/include/os0sync.ic
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/*****************************************************************************
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Copyright (C) 1995, 2009, Innobase Oy. All Rights Reserved.
 
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Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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#include <pthread.h>
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/**********************************************************//**
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Acquires ownership of a fast mutex.
 
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Acquires ownership of a fast mutex. Currently in Windows this is the same
 
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as os_fast_mutex_lock!
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@return 0 if success, != 0 if was reserved by another thread */
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UNIV_INLINE
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ulint
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        os_fast_mutex_t*        fast_mutex)     /*!< in: mutex to acquire */
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{
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#ifdef __WIN__
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        if (TryEnterCriticalSection(fast_mutex)) {
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                return(0);
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        } else {
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                return(1);
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        }
 
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        EnterCriticalSection(fast_mutex);
 
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        return(0);
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#else
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        /* NOTE that the MySQL my_pthread.h redefines pthread_mutex_trylock
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        so that it returns 0 on success. In the operating system