/usr/include/qpid/sys/Mutex.h is in libqpidcommon2-dev 0.16-9ubuntu2.
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 84 85 86 87 88 89 90 91 | #ifndef _sys_Mutex_h
#define _sys_Mutex_h
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
namespace qpid {
namespace sys {
/**
* Scoped lock template: calls lock() in ctor, unlock() in dtor.
* L can be any class with lock() and unlock() functions.
*/
template <class L>
class ScopedLock
{
public:
ScopedLock(L& l) : mutex(l) { l.lock(); }
~ScopedLock() { mutex.unlock(); }
private:
L& mutex;
};
template <class L>
class ScopedUnlock
{
public:
ScopedUnlock(L& l) : mutex(l) { l.unlock(); }
~ScopedUnlock() { mutex.lock(); }
private:
L& mutex;
};
template <class L>
class ScopedRlock
{
public:
ScopedRlock(L& l) : mutex(l) { l.rlock(); }
~ScopedRlock() { mutex.unlock(); }
private:
L& mutex;
};
template <class L>
class ScopedWlock
{
public:
ScopedWlock(L& l) : mutex(l) { l.wlock(); }
~ScopedWlock() { mutex.unlock(); }
private:
L& mutex;
};
template <class L>
class ConditionalScopedLock
{
public:
ConditionalScopedLock(L& l) : mutex(l) { acquired = l.trylock(); }
~ConditionalScopedLock() { if (acquired) mutex.unlock(); }
bool lockAcquired() { return acquired; }
private:
L& mutex;
bool acquired;
};
}}
#ifdef USE_APR_PLATFORM
#include "apr/Mutex.h"
#elif defined (_WIN32)
#include "windows/Mutex.h"
#else
#include "posix/Mutex.h"
#endif
#endif /*!_sys_Mutex_h*/
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