Avoid non-portable signal(SIGCHLD, SIG_IGN)
Alexandre Julliard
julliard at winehq.com
Sun Apr 13 12:42:35 CDT 2003
Joerg Wunsch <j at uriah.heep.sax.de> writes:
> #include <signal.h>
> #include <unistd.h>
> #include <stdlib.h>
>
> void
> createchild(void)
> {
> if (fork() == 0) {
> exit(0);
> }
> }
>
> int
> main(void)
> {
> createchild();
> createchild();
> createchild();
> sleep(1);
> system("ps");
> sleep(2);
> return 0;
> }
> ...
>
> Of course, now that i see that SUSP indeed standardized this oddness,
> i might change my opinion. Anyway, as demonstrated above,
> signal(SIGCHLD, SIG_IGN) doesn't work on FreeBSD the way you would
> expect it to work.
Well, if you really tested with the program above then it doesn't
demonstrate anything, since you don't set the SIGCHLD handler <g>
--
Alexandre Julliard
julliard at winehq.com
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