Date: Wed, 14 Jul 1999 07:52:55 -0400 From: "Mikhail V. Evstiounin" <evs@telerama.com> To: <questions@FreeBSD.ORG> Subject: Re: result of pclose Message-ID: <005f01becdef$71bc5b80$6f27abcd@mvehpc.evs.slip.lm.com>
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-----Original Message----- From: Thomas David Rivers <rivers@dignus.com> To: mi@kot.ne.mediaone.net <mi@kot.ne.mediaone.net>; questions@FreeBSD.ORG <questions@FreeBSD.ORG> Date: Wednesday, July 14, 1999 7:08 AM Subject: Re: result of pclose >> According to pclose(3), its result must be the exit code of the process. >> Is this a bug, or do I misunderstand the manual? Thanks! >> >> -mi >> > > That is the exit code of the process. > > The exit code returns is in a format called the `status area', > and is exactly the same as that returned by the wait(2) > system call. > > The wait(2) man page describes the macros you need to use to > get the return code of the process. > > What you want to do is something like: > > rc = WEXITSTATUS(pclose(pipe)); Actually, you want check both parts - what process returns and how it ends: normal, been killed or crashes. > > - Dave Rivers - > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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