Date: Thu, 31 Mar 2005 17:37:20 +1000 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: zean zean <fbsd.hackers@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: the best form to wait the finish of execution of a child... Message-ID: <20050331073720.GE71384@cirb503493.alcatel.com.au> In-Reply-To: <a9e342b5050330101771e53d6f@mail.gmail.com> References: <a9e342b5050330101771e53d6f@mail.gmail.com>
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On Wed, 2005-Mar-30 14:17:43 -0400, zean zean wrote:
>Excuse for my badly English. which is the best form to wait the
>finish of execution of a child.
That's virtually impossible to answer as a general case. The best
form depends on exactly what you want to do.
>My idea is:
>
>pid_t chilpid;
>
>while(childpid != wait(&status))
>;
If you want to wait for a specific pid, look at waitpid() or wait4():
if (waitpid(childpid, &status, 0) == -1) {
handle error
}
--
Peter Jeremy
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