Messages in this thread |  | | From | Matthias Urlichs <> | Subject | Re: Bug in waitpid() | Date | Fri, 1 Nov 1996 10:10:31 +0100 |
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In linux.dev.kernel, article <19961101021103.946.qmail@fomalhout.lunix.org>, ton@linux.cc.kuleuven.ac.be writes: > > Since I have no access to the POSIX standards, I am not sure what the correct > semantics are, but from books I get the impression that SIGCHLD means more > something like "a child that still has to be waited for died" rather than > "a child died".
AFAIK, that's somewhat undefined. Besides, how often you get a SIGCHLD is also undefined, so the reaper should call wait4(...,WNOHANG) in a loop until there are no more dead child processes.
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