Re: Strangeness with signals

Simon Kirby
2005-09-28T03:47:01Z

On Tue, Sep 27, 2005 at 06:19:24PM -0700, Philippe Troin wrote:

> The SIGWINCH and SIGCHLD signals are not generated if their
> disposition is set to SIG_DFL. I believe SIGCONT and SIGURG also
> behave similarly. If you want to see them from your application, you
> have to establish a (potentially empty) signal handler.

Ok, and this is what I did in the example; however, is it expected that
it does not help to set a handler in sa_handler and call sigaction()?
In fact, it does not matter what sa_handler is set to (it can still be
SIG_IGN), but sa_sigaction must point to a valid handler.

Simon-