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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libobjc/] [objc/] [objc-sync.h] - Rev 827
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/* GNU Objective C Runtime @synchronized implementation Copyright (C) 2010 Free Software Foundation, Inc. Contributed by Nicola Pero <nicola.pero@meta-innovation.com> This file is part of GCC. GCC 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; either version 3, or (at your option) any later version. GCC 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. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __objc_sync_INCLUDE_GNU #define __objc_sync_INCLUDE_GNU #include "objc.h" #include "objc-decls.h" #ifdef __cplusplus extern "C" { #endif /* These functions are automatically called by @synchronized(). */ /* 'objc_sync_enter' is automatically called when entering a @synchronized() block. It locks the recursive lock associated with 'object'. If 'object' is nil, it does nothing. It returns OBJC_SYNC_SUCCESS on success; see the enumeration below for error values. Note that you should not rely on the behaviour when 'object' is nil because it could change. */ objc_EXPORT int objc_sync_enter (id object); /* 'objc_sync_exit' is automatically called when exiting from a @synchronized() block. It unlocks the recursive lock associated with 'object'. If 'object' is nil, it does nothing. It returns OBJC_SYNC_SUCCESS on success; see the enumeration below for error values. */ objc_EXPORT int objc_sync_exit (id object); /* All the possible return values for objc_sync_enter() and objc_sync_exit(). */ enum { OBJC_SYNC_SUCCESS = 0, OBJC_SYNC_NOT_OWNING_THREAD_ERROR = -1, OBJC_SYNC_TIMED_OUT = -2, OBJC_SYNC_NOT_INITIALIZED = -3 }; #ifdef __cplusplus } #endif #endif /* not __objc_sync_INCLUDE_GNU */
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