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[svn] Check that _POSIX_CLOCK_MONOTONIC >= 0 before using it.

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hniksic 2005-04-07 16:38:08 -07:00
parent fbea09290b
commit c159a45df1
2 changed files with 4 additions and 1 deletions
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3
src/ChangeLog
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@ -1,5 +1,8 @@
2005-04-08 Hrvoje Niksic <hniksic@xemacs.org>
* ptimer.c (ptimer_init): In fact, _POSIX_MONOTONIC_CLOCK needs to
be >= 0.
* ptimer.c (ptimer_init): Check whether _POSIX_MONOTONIC_CLOCK is
defined instead of whether it's greater than 0. glibc defines it
to 0, but still makes it available via sysconf.

2
src/ptimer.c
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@ -183,7 +183,7 @@ ptimer_init (void)
{
struct timespec res;
#ifdef _POSIX_MONOTONIC_CLOCK
#if _POSIX_MONOTONIC_CLOCK >= 0 /* -1 means not supported */
if (sysconf (_SC_MONOTONIC_CLOCK) > 0)
posix_clock_id = CLOCK_MONOTONIC;
else