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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.cpp
+72 -72
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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
*/
#include "ipc_mutex.h"
@@ -30,91 +30,91 @@
namespace EQEmu {
struct IPCMutex::Implementation {
struct IPCMutex::Implementation {
#ifdef _WINDOWS
HANDLE mut_;
HANDLE mut_;
#else
int fd_;
int fd_;
#endif
};
};
IPCMutex::IPCMutex(std::string name) : locked_(false) {
imp_ = new Implementation;
IPCMutex::IPCMutex(std::string name) : locked_(false) {
imp_ = new Implementation;
#ifdef _WINDOWS
std::string final_name = "EQEmuMutex_";
final_name += name;
std::string final_name = "EQEmuMutex_";
final_name += name;
imp_->mut_ = CreateMutex(nullptr,
FALSE,
final_name.c_str());
imp_->mut_ = CreateMutex(nullptr,
FALSE,
final_name.c_str());
if(!imp_->mut_) {
EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
}
if(!imp_->mut_) {
EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
}
#else
std::string final_name = name;
final_name += ".lock";
std::string final_name = name;
final_name += ".lock";
imp_->fd_ = open(final_name.c_str(),
O_RDWR | O_CREAT | O_CLOEXEC,
S_IRUSR | S_IWUSR);
imp_->fd_ = open(final_name.c_str(),
O_RDWR | O_CREAT | O_CLOEXEC,
S_IRUSR | S_IWUSR);
if(imp_->fd_ == -1) {
EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
}
if(imp_->fd_ == -1) {
EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
}
#endif
}
}
IPCMutex::~IPCMutex() {
IPCMutex::~IPCMutex() {
#ifdef _WINDOWS
if(locked_) {
ReleaseMutex(imp_->mut_);
}
CloseHandle(imp_->mut_);
if(locked_) {
ReleaseMutex(imp_->mut_);
}
CloseHandle(imp_->mut_);
#else
if(locked_) {
lockf(imp_->fd_, F_ULOCK, 0);
}
close(imp_->fd_);
if(locked_) {
lockf(imp_->fd_, F_ULOCK, 0);
}
close(imp_->fd_);
#endif
delete imp_;
}
delete imp_;
}
bool IPCMutex::Lock() {
if(locked_) {
return false;
}
bool IPCMutex::Lock() {
if(locked_) {
return false;
}
#ifdef _WINDOWS
DWORD wait_result = WaitForSingleObject(imp_->mut_, INFINITE);
if(wait_result != WAIT_OBJECT_0) {
return false;
}
DWORD wait_result = WaitForSingleObject(imp_->mut_, INFINITE);
if(wait_result != WAIT_OBJECT_0) {
return false;
}
#else
if(lockf(imp_->fd_, F_LOCK, 0) != 0) {
return false;
}
if(lockf(imp_->fd_, F_LOCK, 0) != 0) {
return false;
}
#endif
locked_ = true;
return true;
}
locked_ = true;
return true;
}
bool IPCMutex::Unlock() {
if(!locked_) {
return false;
}
bool IPCMutex::Unlock() {
if(!locked_) {
return false;
}
#ifdef _WINDOWS
if(!ReleaseMutex(imp_->mut_)) {
return false;
}
if(!ReleaseMutex(imp_->mut_)) {
return false;
}
#else
if(lockf(imp_->fd_, F_ULOCK, 0) != 0) {
return false;
}
if(lockf(imp_->fd_, F_ULOCK, 0) != 0) {
return false;
}
#endif
locked_ = false;
return true;
}
locked_ = false;
return true;
}
}