diff options
Diffstat (limited to 'storage/innodb_plugin/include/os0sync.ic')
-rw-r--r-- | storage/innodb_plugin/include/os0sync.ic | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/storage/innodb_plugin/include/os0sync.ic b/storage/innodb_plugin/include/os0sync.ic deleted file mode 100644 index 1f3ce38fa65..00000000000 --- a/storage/innodb_plugin/include/os0sync.ic +++ /dev/null @@ -1,53 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program 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 General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/os0sync.ic -The interface to the operating system synchronization primitives. - -Created 9/6/1995 Heikki Tuuri -*******************************************************/ - -#ifdef __WIN__ -#include <winbase.h> -#endif - -/**********************************************************//** -Acquires ownership of a fast mutex. Currently in Windows this is the same -as os_fast_mutex_lock! -@return 0 if success, != 0 if was reserved by another thread */ -UNIV_INLINE -ulint -os_fast_mutex_trylock( -/*==================*/ - os_fast_mutex_t* fast_mutex) /*!< in: mutex to acquire */ -{ -#ifdef __WIN__ - EnterCriticalSection(fast_mutex); - - return(0); -#else - /* NOTE that the MySQL my_pthread.h redefines pthread_mutex_trylock - so that it returns 0 on success. In the operating system - libraries, HP-UX-10.20 follows the old Posix 1003.4a Draft 4 and - returns 1 on success (but MySQL remaps that to 0), while Linux, - FreeBSD, Solaris, AIX, Tru64 Unix, HP-UX-11.0 return 0 on success. */ - - return((ulint) pthread_mutex_trylock(fast_mutex)); -#endif -} |