public static bool MutexExists(Process process, string mutexType, string mutexName, bool partial)
{
Log(string.Format("Checking if mutex '{0}' of type '{1}' exists in process '{2} (pid {3})'", mutexName, mutexType, process.MainWindowTitle, process.Id));
// 4 tries
for (int i = 0; i < 4; i++)
{
try
{
var handles = Win32Processes.GetHandles(process, mutexType, "", mutexName);
if (partial)
{
bool foundHandle = false;
foreach (var handle in handles)
{
string strObjectName = Win32Processes.getObjectName(handle, Process.GetProcessById(handle.ProcessID));
if (!string.IsNullOrWhiteSpace(strObjectName) && strObjectName.Contains(mutexName))
{
Log(string.Format("Found mutex that contains search criteria. Located at {0}", strObjectName));
if (!foundHandle)
{
foundHandle = true;
}
}
}
return(foundHandle);
}
else
{
if (handles.Count > 0)
{
Log("Found the following mutexes:");
foreach (var handle in handles)
{
string strObjectName = Win32Processes.getObjectName(handle, Process.GetProcessById(handle.ProcessID));
Log(strObjectName);
}
return(true);
}
}
}
catch (IndexOutOfRangeException)
{
Log(string.Format("The process name '{0}' is not currently running", process.MainWindowTitle));
}
catch (ArgumentException)
{
Log(string.Format("The mutex '{0}' was not found in the process '{1}'", mutexName, process.MainWindowTitle));
}
}
return(false);
}
public static bool KillMutex(Process process, string mutexType, string mutexName, bool partial)
{
Log(string.Format("Attempting to kill mutex"));
// 4 tries
for (int i = 1; i < 4; i++)
{
Log("Attempt #" + i);
Console.WriteLine("Loop " + i);
if (partial)
{
var handles = Win32Processes.GetHandles(process, mutexType);
foreach (var handle in handles)
{
string strObjectName = Win32Processes.getObjectName(handle, Process.GetProcessById(handle.ProcessID));
if (!string.IsNullOrWhiteSpace(strObjectName) && strObjectName.Contains(mutexName))
{
Log(string.Format("Killing mutex located at '{0}'", strObjectName));
IntPtr ipHandle = IntPtr.Zero;
if (!Win32API.DuplicateHandle(Process.GetProcessById(handle.ProcessID).Handle, handle.Handle, Win32API.GetCurrentProcess(), out ipHandle, 0, false, Win32API.DUPLICATE_CLOSE_SOURCE))
{
Log(string.Format("DuplicateHandle() failed, error = {0}", Marshal.GetLastWin32Error()));
Console.WriteLine("DuplicateHandle() failed, error = {0}", Marshal.GetLastWin32Error());
}
else
{
Log("Mutex was killed successfully");
return(true);
}
}
//Log("----------------END-----------------");
}
return(true);
}
else
{
var handles = Win32Processes.GetHandles(process, mutexType, "", mutexName);
if (handles.Count == 0)
{
Log(string.Format("{0} not found in process handles", mutexName));
continue;
}
foreach (var handle in handles)
{
string strObjectName = Win32Processes.getObjectName(handle, Process.GetProcessById(handle.ProcessID));
Log(string.Format("Killing mutex {0}", strObjectName));
if (!string.IsNullOrWhiteSpace(strObjectName) && strObjectName.EndsWith(mutexName))
{
IntPtr ipHandle = IntPtr.Zero;
if (!Win32API.DuplicateHandle(Process.GetProcessById(handle.ProcessID).Handle, handle.Handle, Win32API.GetCurrentProcess(), out ipHandle, 0, false, Win32API.DUPLICATE_CLOSE_SOURCE))
{
Console.WriteLine("DuplicateHandle() failed, error = {0}", Marshal.GetLastWin32Error());
}
else
{
Log("Mutex was killed successfully");
return(true);
}
}
}
}
}
Log("Mutex was not killed");
//Log("----------------END-----------------");
return(false);
}