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GetTimeInMillis: simplify monotonic test

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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.
(cherry picked from 004d00e668 commit)
This commit is contained in:
Daniel Stone 2006-10-26 01:10:08 +03:00 • committed by Daniel Stone
parent b0f0f4bcb6
commit 273eb52974
2 changed files with 4 additions and 17 deletions
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2
configure.ac
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@ -515,7 +515,7 @@ XEXT_LIB='$(top_builddir)/Xext/libXext.la'
XEXTXORG_LIB='$(top_builddir)/Xext/libXextbuiltin.la'
dnl Core modules for most extensions, et al.
REQUIRED_MODULES="randrproto renderproto [fixesproto >= 4.0] damageproto xcmiscproto xextproto [xproto >= 7.0.9] xtrans xf86miscproto xf86vidmodeproto xf86bigfontproto [scrnsaverproto >= 1.1] bigreqsproto resourceproto fontsproto inputproto xf86dgaproto [kbproto >= 1.0.3]"
REQUIRED_MODULES="randrproto renderproto [fixesproto >= 4.0] damageproto xcmiscproto xextproto xproto xtrans xf86miscproto xf86vidmodeproto xf86bigfontproto [scrnsaverproto >= 1.1] bigreqsproto resourceproto fontsproto inputproto xf86dgaproto [kbproto >= 1.0.3]"
REQUIRED_LIBS="xfont xau fontenc"
AM_CONDITIONAL(XV, [test "x$XV" = xyes])

19
os/utils.c
View file

@ -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);