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[KBSWITCH]

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Properly use the single instance mutex

svn path=/trunk/; revision=56160
This commit is contained in:
Pierre Schweitzer 2012-03-15 20:56:26 +00:00
parent a339649110
commit 73a2ef371a
1 changed files with 11 additions and 2 deletions
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13
reactos/base/applications/kbswitch/kbswitch.c
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@ -519,9 +519,15 @@ _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInst, LPTSTR lpCmdLine, INT nCmdSh
HANDLE hMutex;
hMutex = CreateMutex(NULL, FALSE, szKbSwitcherName);
if ((!hMutex) || (GetLastError() == ERROR_ALREADY_EXISTS))
if (!hMutex)
return 1;
if (GetLastError() == ERROR_ALREADY_EXISTS)
{
CloseHandle(hMutex);
return 1;
}
hInst = hInstance;
hProcessHeap = GetProcessHeap();
@ -537,7 +543,10 @@ _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInst, LPTSTR lpCmdLine, INT nCmdSh
WndClass.lpszClassName = szKbSwitcherName;
if (!RegisterClass(&WndClass))
{
CloseHandle(hMutex);
return 1;
}
CreateWindow(szKbSwitcherName, NULL, 0, 0, 0, 1, 1, HWND_DESKTOP, NULL, hInstance, NULL);
@ -547,7 +556,7 @@ _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInst, LPTSTR lpCmdLine, INT nCmdSh
DispatchMessage(&msg);
}
if (hMutex) CloseHandle(hMutex);
CloseHandle(hMutex);
return 0;
}