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Prevent multiple instances from running on Windows systems.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3566 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2010-09-30 00:27:23 +00:00
parent dbbf71788d
commit 0ebcdaabd9
1 changed files with 32 additions and 2 deletions
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34
libretroshare/src/rsserver/rsinit.cc
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@ -87,6 +87,7 @@ class RsInitConfig
#ifndef WINDOWS_SYS #ifndef WINDOWS_SYS
static int lockHandle; static int lockHandle;
#else #else
static HANDLE lockHandle;
#endif #endif
/* These fields are needed for login */ /* These fields are needed for login */
@ -145,6 +146,7 @@ std::string RsInitConfig::preferedId;
#ifndef WINDOWS_SYS #ifndef WINDOWS_SYS
int RsInitConfig::lockHandle; int RsInitConfig::lockHandle;
#else #else
HANDLE RsInitConfig::lockHandle;
#endif #endif
std::string RsInitConfig::configDir; std::string RsInitConfig::configDir;
@ -222,6 +224,7 @@ void RsInit::InitRsConfig()
RsInitConfig::lockHandle = -1; RsInitConfig::lockHandle = -1;
#else #else
RsInitConfig::dirSeperator = '\\'; // For windows. RsInitConfig::dirSeperator = '\\'; // For windows.
RsInitConfig::lockHandle = NULL;
#endif #endif
@ -928,10 +931,10 @@ int RsInit::GetPGPLoginDetails(std::string id, std::string &name, std::stri
*/ */
int RsInit::LockConfigDirectory(const std::string& accountDir) int RsInit::LockConfigDirectory(const std::string& accountDir)
{ {
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
#ifndef WINDOWS_SYS
const std::string lockFile = accountDir + RsInitConfig::dirSeperator + "lock"; const std::string lockFile = accountDir + RsInitConfig::dirSeperator + "lock";
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
#ifndef WINDOWS_SYS
if(RsInitConfig::lockHandle != -1) if(RsInitConfig::lockHandle != -1)
close(RsInitConfig::lockHandle); close(RsInitConfig::lockHandle);
@ -971,6 +974,28 @@ int RsInit::LockConfigDirectory(const std::string& accountDir)
return 0; return 0;
#else #else
if (RsInitConfig::lockHandle) {
CloseHandle(RsInitConfig::lockHandle);
}
std::wstring wlockFile;
librs::util::ConvertUtf8ToUtf16(lockFile, wlockFile);
// open the file in write mode, create it if necessary
RsInitConfig::lockHandle = CreateFile(wlockFile.c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
if (RsInitConfig::lockHandle == INVALID_HANDLE_VALUE) {
DWORD lasterror = GetLastError();
std::cerr << "Could not open lock file " << lockFile.c_str() << std::flush;
perror(NULL);
if (lasterror == ERROR_SHARING_VIOLATION || lasterror == ERROR_ACCESS_DENIED) {
return 1;
}
return 2;
}
return 0; return 0;
#endif #endif
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/ /******************************** WINDOWS/UNIX SPECIFIC PART ******************/
@ -990,6 +1015,11 @@ void RsInit::UnlockConfigDirectory()
RsInitConfig::lockHandle = -1; RsInitConfig::lockHandle = -1;
} }
#else #else
if(RsInitConfig::lockHandle)
{
CloseHandle(RsInitConfig::lockHandle);
RsInitConfig::lockHandle = NULL;
}
#endif #endif
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/ /******************************** WINDOWS/UNIX SPECIFIC PART ******************/
} }