signal

The sigaction program

Usage

sigaction [ -budi sig ] prog

where prog is one or more arguments specifying a program to run.

The sigaction program sets signals according to the given options and then executes prog.

Description

Each option takes a signal as its argument, accepting either a number or one of the (case insensitive) strings ALRM, CHLD, CONT, HUP, INT, PIPE, or TERM.

Options are:

-b sig: Block sig.
-u sig: Unblock sig.
-d sig: Set default behavior for sig.
-i sig: Ignore sig.