/usr/include/sigx-2.0/sigx/choose_lock.h is in libsigx-2.0-dev 2.0.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | #ifndef _SIGX_CHOOSE_LOCK_TRAIT_H_
#define _SIGX_CHOOSE_LOCK_TRAIT_H_
/*
* Copyright 2008 Klaus Triendl
*
* 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, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/** @file
* lock traits are used to choose the best lock type for a given mutex.
* E.g. For a mutex type boost::mutex lock type boost::mutex::scoped_lock
* is chosen
*/
#include <sigx/lockable_fwddecl.h>
namespace sigx
{
/** @addtogroup threadsafety
* @{
*/
/*enum locking_policy
{
readlock,
writelock
};*/
/** @short Metafunction that chooses an appropriate scoped lock for a mutex.
*
* The lock type should be a scoped lock because lock_acquirer is a scope-bound
* type.
*
* @note There is no default lock type choosing mechanism because there is no
* such thing as a default or commonly used mutex.
* This means that the using programmer has to specialize this metafunction
* for her mutexes and the locking policy
*/
template<typename T_mutex, locking_policy I_policy>
struct choose_lock;
#if 0
/** @short r/w lock trait for a CRecMutex
*/
template<locking_policy I_policy>
struct choose_lock<boost::mutex, I_policy>
{
typedef boost::mutex::scoped_lock type;
};
#endif
} // namespace sigx
#endif // end file guard
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