Messages in this thread | | | Subject | Re: Strangeness with signals | From | Philippe Troin <> | Date | 28 Sep 2005 08:30:06 -0700 |
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Simon Kirby <sim@netnation.com> writes:
> 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.
As long as sa_handler (or sa_sigaction) is not SIG_DFL (which is NULL on linux).
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