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GetTimeInMillis: simplify monotonic test

Browse source 
We don't actually need to get the CPU clock ID, which means we don't need
the monotonic_usable test.  Since there's now only one branch, the
compiler will treat that as likely, so we don't need xproto 7.0.9 anymore.

The fallthrough to gettimeofday() is preserved.
This commit is contained in:
Daniel Stone 2006-10-26 01:10:08 +03:00 • committed by Daniel Stone
commit 004d00e668
2 changed files with 4 additions and 17 deletions
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19
os/utils.c
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@ -268,8 +268,6 @@ int auditTrailLevel = 1;
_X_EXPORT Bool Must_have_memory = FALSE;
static int monotonic_usable = -1;
#ifdef AIXV3
int SyncOn = 0;
extern int SelectWaitTime;
@ -550,22 +548,11 @@ _X_EXPORT CARD32
GetTimeInMillis(void)
{
struct timeval tv;
#ifdef MONOTONIC_CLOCK
struct timespec tp;
int spare = 0;
if (_X_UNLIKELY(monotonic_usable == -1)) {
if (clock_gettime(0, &tp) == 0 &&
clock_getcpuclockid(0, &spare) == 0)
monotonic_usable = 1;
else
monotonic_usable = 0;
}
if (_X_LIKELY(monotonic_usable == 1)) {
if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000);
}
if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000);
#endif
X_GETTIMEOFDAY(&tv);