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Date: Mon, 19 Oct 1998 14:29:52 -0400 (EDT)
From: robert@fledge.watson.org
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To: FreeBSD-gnats-submit@FreeBSD.ORG
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Subject: kern/8376: clock_gettime and CLOCK_VIRTUAL -- not implemented
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>Number:         8376
>Category:       kern
>Synopsis:       CLOCK_VIRTUAL not implemented
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 19 14:50:00 PDT 1998
>Last-Modified:
>Originator:     Robert Watson
>Organization:
>Release:        FreeBSD 3.0-BETA i386
>Environment:

3.0-BETA

>Description:

This is either a documentation bug or a software bug.  Currently, clock_gettime
syscall does not implement CLOCK_VIRTUAL as described in clock_gettime(2).
EINVAL is returned.  Either a BUGS section should be added to clock_gettime(2)
to indicate that a described feature is not present, or the implementation
should be fixed.

>How-To-Repeat:
	struct timespec ts;
	if (clock_gettime(CLOCK_VIRTUAL, &ts) != 0) {
		perror("clock_gettime");
		exit(-1);
	}
>Fix:
	
Described in description.  I have not written up patches.  Presumably a fix
would require maintaining state in the proc structure -- this would be
inefficient in many ways as most processes don't use realtime clock data
about themselves.  Maintaining the accuracy of a lot of clocks is presumably
far less easy than maintaining it for a few.

>Audit-Trail:
>Unformatted:

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