Date: Sat, 13 Sep 1997 12:42:34 -0700 (PDT) From: Joerg Wunsch <joerg@FreeBSD.ORG> To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: cvs commit: src/sys/kern kern_exit.c kern_sig.c src/sys/sys proc.h signal.h Message-ID: <199709131942.MAA07534@freefall.freebsd.org>
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joerg 1997/09/13 12:42:33 PDT
Modified files:
sys/kern kern_exit.c kern_sig.c
sys/sys proc.h signal.h
Log:
Implement SA_NOCLDWAIT.
The implementation is done (unlike what i've originally been
contemplating) by reparenting kids of processes that have the
appropriate bit set to PID 1, and let PID 1 handle the zombie. This
is far less problematical than what would seem to be ``doing it
right'', for a number of reasons.
Of our currently shipping PID-1-intended programs, 50 % fail the above
assumption. ;-) (Read this: sysinstall doesn't do it right. This is
no problem as long as no program called by sysinstall actually uses
SA_NOCLDWAIT.)
ToDo: . clarify the correct SA_* flag inheritance, compared
to other systems,
. decide whether the compat cruft (osigvec(9)) should
deal with new system additions or not,
. merge OpenBSD's SA_SIGINFO implementation. ;)
Reviewed by: bde
Revision Changes Path
1.55 +16 -2 src/sys/kern/kern_exit.c
1.34 +16 -1 src/sys/kern/kern_sig.c
1.43 +4 -1 src/sys/sys/proc.h
1.12 +2 -1 src/sys/sys/signal.h
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