signals?

[Brian Ellis]

In article <846 at usl.usl.edu> pcb at usl.usl.edu (Peter C. Bahrs) writes:
>I want to send the server an urgent message from within a client
>application.  I want the server to stop what it is doing, handle
>the request and continue (interrupt-ish).
>I think I want to set a signal on incoming socket messages?

	You can arrange to have SIGIO delivered to your server when
	a read is possible from a descriptor (your socket). see fcntl(2).
	Or you could open up a second socket and use out-of-band stuff.

	-brian ellis (bri at boulder.Colorado.EDU)