Date: Wed, 23 Jan 2002 00:50:01 -0800 (PST) From: Maxim Konovalov <maxim@macomnet.ru> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/34195: setting the action for SIGCHLD to SIG_IGN will create zombies Message-ID: <200201230850.g0N8o1O88271@freefall.freebsd.org>
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The following reply was made to PR misc/34195; it has been noted by GNATS. From: Maxim Konovalov <maxim@macomnet.ru> To: Ali Imran <ai32@drexel.edu> Cc: freebsd-gnats-submit@FreeBSD.ORG Subject: Re: misc/34195: setting the action for SIGCHLD to SIG_IGN will create zombies Date: Wed, 23 Jan 2002 11:42:11 +0300 (MSK) Hello, [...] > >Description: > Single UNIX Specification Version 2 states that: > .. > If the action for the SIGCHLD signal is set > to SIG_IGN, child processes of the calling > processes will not be transformed into zombie > processes when they terminate. If the calling > .. > However FreeBSD creates zombies. > > I don't know if this is "traditional" BSD > beahvior and considered a "feature" and not > a bug. Yes, it is a traditional BSD way. JFYI, there was an attempt to commit the SIGCHLD SIG_IGN signal handlin code, it was MFCed to -stable and then backed out from -stable and -current. Please take a look at http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/kern/kern_exit.c for more details. -- Maxim Konovalov, MAcomnet, Internet-Intranet Dept., system engineer phone: +7 (095) 796-9079, mailto: maxim@macomnet.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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