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Date: Sat, 4 Aug 2012 05:10:06 GMT
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To: freebsd-standards@FreeBSD.org
From: "Jukka A. Ukkonen" <jau@oxit.fi>
Cc: 
Subject: Re: standards/170346: Changes to support waitid() and related stuff
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The following reply was made to PR standards/170346; it has been noted by GNATS.

From: "Jukka A. Ukkonen" <jau@oxit.fi>
To: bug-followup@FreeBSD.org, jau@iki.fi
Cc:  
Subject: Re: standards/170346: Changes to support waitid() and related stuff
Date: Sat, 04 Aug 2012 07:51:29 +0300

 This is a multi-part message in MIME format.
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 Oops! Sorry!
 It seems I forgot the actual waitid() function from the patch.
 Here is the missing part.
 
 --jau
 
 
 
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 Content-Type: text/plain; charset=UTF-8;
  name="waitid-wait6.patch"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: attachment;
  filename="waitid-wait6.patch"
 
 --- /dev/null	2012-08-04 07:33:00.000000000 +0300
 +++ lib/libc/gen/waitid.c	2012-07-30 12:43:59.000000000 +0300
 @@ -0,0 +1,57 @@
 +
 +#include "namespace.h"
 +#include <sys/types.h>
 +#include <sys/wait.h>
 +#include <stddef.h>
 +#include <string.h>
 +#include <signal.h>
 +#include <errno.h>
 +#include "un-namespace.h"
 +
 +int
 +__waitid (idtype, id, info, flags)
 +    idtype_t	idtype;
 +    id_t	id;
 +    siginfo_t	*info;
 +    int		flags;
 +{
 +    int	    status;
 +    pid_t   ret;
 +
 +    /* 
 +     *	NOTICE!
 +     *	The traditional PID/PGID == 0 to wait for
 +     *	any process in the caller's own process group
 +     *	still works when the idtype is set to either
 +     *	P_PID or P_PGID.
 +     */
 +
 +    if (info) {
 +	memset (info, '\0', sizeof (*info));
 +    }
 +
 +    /*
 +     *	In case you wish to start waiting for any
 +     *	processes
 +     *	- running in a certain jail (zone),
 +     *	- running on a certain cpu, or
 +     *	- nailed to a certain CPU set,
 +     *	- etc.
 +     *  you will have to extend the kern_wait6() in
 +     *  the kernel to support such idtype_t flavours.
 +     */
 +
 +    ret = _wait6 (idtype, id, &status, flags, NULL, info);
 +
 +    if (ret < 0) {
 +	ret = -1;
 +    }
 +    else {
 +	ret = 0;
 +    }
 +
 +    return ((int) ret);
 +}
 +
 +__weak_reference(__waitid, waitid);
 +__weak_reference(__waitid, _waitid);
 
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