/// <summary>
/// Tries to open an existing semaphore.
/// </summary>
/// <param name="name"></param>
/// <param name="namedEvent"></param>
/// <returns></returns>
public static new bool TryOpenExisting(string name, out NamedEvent namedEvent)
{
var semaphore = new NamedSemaphore(name, Native.OpenFlags.O_RDWR);
if (semaphore.semaphoreHandle.IsInvalid)
{
namedEvent = null;
return(false);
}
namedEvent = semaphore;
return(true);
}
/// <summary>
/// Creates or opens a named semaphore.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static new NamedSemaphore CreateOrOpen(string name)
{
var namedSemaphore = new NamedSemaphore(name, Native.OpenFlags.O_CREAT);
if (namedSemaphore.semaphoreHandle.IsInvalid)
{
throw new IOException(
$"Failed to create a NamedSemaphore {name}",
innerException: new Win32Exception(Marshal.GetLastWin32Error()));
}
return(namedSemaphore);
}
/// <summary>
/// Creates or opens a named semaphore.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static new NamedSemaphore CreateOrOpen(string name)
{
var namedSemaphore = new NamedSemaphore(name, Native.OpenFlags.O_CREAT);
return(namedSemaphore);
}