Date: Sun, 5 Apr 1998 08:12:20 -0500 (CDT) From: dannyman <dannyman@arh0300.urh.uiuc.edu> To: FreeBSD-gnats-submit@FreeBSD.ORG Cc: dannyman@arh0300.urh.uiuc.edu, freebsd-current@FreeBSD.ORG Subject: usleep is hosed, timezone problems in current Message-ID: <199804051312.IAA11235@arh0300.urh.uiuc.edu>
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>Submitter-Id: current-users
>Originator: dannyman
>Synopsis: problems with usleep and adjkerntz
>Severity: serious
>Priority: high
>Category: i386
>Release: FreeBSD 3.0-CURRENT i386
>Class: sw-bug
>Environment:
FreeBSD arh0300.urh.uiuc.edu 3.0-CURRENT FreeBSD 3.0-CURRENT #8: Sun Apr 5 01:22:12 CST 1998 dannyman@arh0300.urh.uiuc.edu:/newhome/src/sys/compile/STUMPY i386
>Description:
just did a make buildowld ; make installworld on CVSup run at 0430h
saturday morning localtime. :)
usleep is not returning proper return codes. even when it works just fine,
it returns -1 consistently, and appears to set errno at whimsy (i've gotten
35 and 2) ...
also, I appear to be on what I guess to be UTC ... i tried to reset my tz
with tzsetup ... no avail ... I ran ntpdate and things were corrected,
after my X display went blank for awhile. awhile later the screen went
blank for a few seconds again and I'm back now ... well, should be 0309h
CDT (just should have shifted from CST 0209h ...) 5 April ... date says;
Sun Apr 5 08:10:13 CDT 1998
UTC afaik :)
>How-To-Repeat:
#include <unistd.h>
#include <errno.h>
main() {
extern int errno;
printf("usleep return: %d\n", usleep(1));
printf("errno: %d\n", errno);
}
I had a program that was running while(!usleep(val)) and is currently
kludged to while(usleep(val)) just fine ...
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