CancellationToken parameter in Main method

[0xfeeddeadbeef]

Proposal

Would it be possible to add a CancellationToken parameter to program's Main method that will be triggered when either of these POSIX signals are received?

POSIX signal	Windows event
SIGHUP	CTRL_CLOSE_EVENT
SIGINT	CTRL_C_EVENT
SIGQUIT	CTRL_BREAK_EVENT
SIGTERM	CTRL_SHUTDOWN_EVENT

New Main method signatures:

static void Main(CancellationToken signal)
static void Main(string[] args, CancellationToken signal)
static Task Main(CancellationToken signal)
static Task Main(string[] args, CancellationToken signal)

C# compiler probably can generate the supporting code for this parameter by using the PosixSignalRegistration class.

Motivation

This is just a convenience. I'm aware that this can be achieved by using PosixSignalRegistration class directly: Example.

But, again, the string[] args parameter is a convenience too: it can easily be replaced by a call to Environment.GetCommandLineArgs method.

[0xfeeddeadbeef]

Looks like .NET Team is against this: dotnet/runtime#28510