Re: SIGINT with gtk_main

[Chris Vine <chris cvine freeserve co uk>]

On Wednesday 21 March 2007 20:59, zz excite it wrote:
[snip]
> Hi,
>
> maybe adding this to main
>
> 	/*signal(SIGHUP,SIG_IGN); */ 			/* ignore SIGHUP */
> 	/*signal(SIGTERM,signal_handler);*/	/* catch SIGTERM */
> 	signal(SIGINT,signal_handler);		/* catch SIGINT  */
>
>
> and using this handler
>
> static void signal_handler(int sig) __attribute__(( __noreturn__ ));
> static void signal_handler(int sig)
> {
> 	switch (sig) {
> 		case SIGINT:
> 			puts("SIGINT signal catched");
> 			break;
> 		case SIGTERM:
> 			puts("SIGTERM signal catched");
> 			break;
> 	}
> 	/* Do something useful here */
> 	exit(EXIT_FAILURE);
> }

As puts() is not guaranteed to be async-signal-safe, this is undefined 
behaviour.

Chris