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j883376
2013-05-09 10:44:08 -04:00
parent ffcff4aea1
commit 4bdd8b2502
393 changed files with 22463 additions and 23238 deletions
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common/ipc_mutex.h
+44 -44
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@@ -1,19 +1,19 @@
/* EQEMu: Everquest Server Emulator
Copyright (C) 2001-2013 EQEMu Development Team (http://eqemulator.net)
/* EQEMu: Everquest Server Emulator
Copyright (C) 2001-2013 EQEMu Development Team (http://eqemulator.net)
This program 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; version 2 of the License.
This program 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; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY except by those people which sell it, which
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY except by those people which sell it, which
are required to give you total support for your newly bought product;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _MUTEX_H_
@@ -23,43 +23,43 @@
namespace EQEmu {
//! Interprocess Named Binary Semaphore (Mutex)
/*!
Important to note: while this can be used to synchronize processes, it is not in itself re-entrant or thread-safe
and thus should be used from one thread and non-recursively. It was intended to be a simple synchronization method
for our MemoryMappedFile loading.
*/
class IPCMutex {
struct Implementation;
public:
//! Constructor
/*!
Creates a named binary semaphore, basically a semaphore that is init S <- 1
\param name The name of this mutex.
*/
IPCMutex(std::string name);
//! Interprocess Named Binary Semaphore (Mutex)
/*!
Important to note: while this can be used to synchronize processes, it is not in itself re-entrant or thread-safe
and thus should be used from one thread and non-recursively. It was intended to be a simple synchronization method
for our MemoryMappedFile loading.
*/
class IPCMutex {
struct Implementation;
public:
//! Constructor
/*!
Creates a named binary semaphore, basically a semaphore that is init S <- 1
\param name The name of this mutex.
*/
IPCMutex(std::string name);
//! Destructor
~IPCMutex();
//! Destructor
~IPCMutex();
//! Lock the mutex
/*!
Same basic function as P(): for(;;) { if(S > 0) { S -= 1; break; } }
*/
bool Lock();
//! Lock the mutex
/*!
Same basic function as P(): for(;;) { if(S > 0) { S -= 1; break; } }
*/
bool Lock();
//! Unlocks the mutex
/*!
Same basic function as V(): S += 1;
*/
bool Unlock();
private:
IPCMutex(const IPCMutex&);
const IPCMutex& operator=(const IPCMutex&);
//! Unlocks the mutex
/*!
Same basic function as V(): S += 1;
*/
bool Unlock();
private:
IPCMutex(const IPCMutex&);
const IPCMutex& operator=(const IPCMutex&);
bool locked_; //!< Whether this mutex is locked or not
Implementation *imp_;
};
bool locked_; //!< Whether this mutex is locked or not
Implementation *imp_;
};
}
#endif