Re: [LIP] signal ( ) versus sigaction ( )

On Fri, Feb 20, 2004 at 11:25:54PM +0530, Shantanu Kumar wrote:
> Could anybody please explain the difference between signal() and
> sigaction() function calls? I have found independent instances where
> these two are used for identical tasks and any potential differences
> weren't obvious to me.

signal() is ISO C, sigaction() is POSIX.

sigaction() allows much finer control on signals. Get hold of APUE
and go through the chapter on signals. The handler function used with
sigaction() has a different prototype than the one used with signal() -
a whole lot of additional information is available to the signal handler
function when you use sigaction().

Binand

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