/usr/include/x86_64-linux-gnu/qcc/ScopedMutexLock.h is in liballjoyn-common-dev-1604 16.04a-3.
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 74 75 76 77 78 79 80 81 82 83 | #ifndef _ALLJOYN_SCOPEDMUTEXLOCK_H
#define _ALLJOYN_SCOPEDMUTEXLOCK_H
/**
* @file
*
* This file defines a class that will ensure a mutex is unlocked when the method returns
*
*/
/******************************************************************************
* Copyright AllSeen Alliance. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************************/
#include <qcc/Mutex.h>
namespace qcc {
/**
* An implementation of a scoped mutex lock class.
*/
class ScopedMutexLock {
public:
/**
* Constructor
*
* @param lock The lock we want to manage
*/
ScopedMutexLock(Mutex& lock)
: lock(lock),
file(NULL),
line(0)
{
lock.Lock();
}
/**
* Constructor
*
* @param lock The lock we want to manage
* @param file The file for the lock trace
* @param file The line for the lock trace
*/
ScopedMutexLock(Mutex& lock, const char* file, uint32_t line)
: lock(lock),
file(file),
line(line)
{
lock.Lock(file, line);
}
~ScopedMutexLock()
{
if (file) {
lock.Unlock(file, line);
} else {
lock.Unlock();
}
}
private:
/* Private assigment operator - does nothing */
ScopedMutexLock& operator=(const ScopedMutexLock&);
Mutex& lock;
const char* file;
const uint32_t line;
};
}
#endif
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