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MutexLock.h
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/*---------------------------------------------------------------------\
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| ____ _ __ __ ___ |
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| |__ / \ / / . \ . \ |
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| / / \ V /| _/ _/ |
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| / /__ | | | | | | |
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| /_____||_| |_| |_| |
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| |
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\---------------------------------------------------------------------*/
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#ifndef ZYPP_THREAD_MUTEXLOCK_H
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#define ZYPP_THREAD_MUTEXLOCK_H
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#include "
zypp/thread/Mutex.h
"
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#include <cassert>
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namespace
zypp
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{
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namespace
thread
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{
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// -------------------------------------------------------------
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class
MutexLock
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{
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public
:
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explicit
MutexLock
(
Mutex
&mutex,
bool
init_locked=
true
)
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:
m_mutex
(&mutex)
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,
m_locked
(false)
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{
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if
(init_locked)
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lock
();
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}
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MutexLock
(
const
MutexLock
&ref)
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:
m_mutex
( ref.
m_mutex
)
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,
m_locked
(ref.
m_locked
)
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{
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ref.
m_locked
=
false
;
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}
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~MutexLock
()
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{
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try
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{
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if
(
m_locked
)
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unlock
();
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}
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catch
( ... )
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{
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// don't let exceptions escape
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}
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}
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void
lock
()
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{
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assert(
m_locked
==
false
);
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m_mutex
->
lock
();
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m_locked
=
true
;
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}
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void
unlock
()
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{
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assert(
m_locked
==
true
);
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m_mutex
->
unlock
();
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m_locked
=
false
;
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}
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bool
trylock
()
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{
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assert(
m_locked
==
false
);
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m_locked
=
m_mutex
->
trylock
();
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return
m_locked
;
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}
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bool
locked
()
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{
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return
m_locked
;
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}
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private
:
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Mutex
*
m_mutex
;
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mutable
bool
m_locked
;
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//friend class Condition;
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};
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}
// namespace thread
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}
// namespace zypp
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#endif // ZYPP_THREAD_MUTEXLOCK_H
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/*
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** vim: set ts=2 sts=2 sw=2 ai et:
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*/
zypp
thread
MutexLock.h
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