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* times.cc (hires_ms::prime): More debugging.

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(hires_ms::usecs): Ditto.
This commit is contained in:
Christopher Faylor 2005-11-04 17:38:32 +00:00
parent 39dd399c50
commit f359a29fc8
3 changed files with 27 additions and 12 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2005-11-04 Christopher Faylor <cgf@timesys.com>
* times.cc (hires_ms::prime): More debugging.
(hires_ms::usecs): Ditto.
2005-11-03 Christopher Faylor <cgf@timesys.com> 2005-11-03 Christopher Faylor <cgf@timesys.com>
* times.cc (stupid_printf): Define and use throughout -- temporarily. * times.cc (stupid_printf): Define and use throughout -- temporarily.

2
winsup/cygwin/fork.cc
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@ -240,8 +240,8 @@ frok::child (void *)
cygbench ("fork-child"); cygbench ("fork-child");
ld_preload (); ld_preload ();
fixup_hooks_after_fork (); fixup_hooks_after_fork ();
cygwin_finished_initializing = true;
_my_tls.fixup_after_fork (); _my_tls.fixup_after_fork ();
cygwin_finished_initializing = true;
return 0; return 0;
} }

32
winsup/cygwin/times.cc
View File

@ -144,8 +144,11 @@ totimeval (struct timeval *dst, FILETIME *src, int sub, int flag)
dst->tv_sec = x / (long long) (1e6); dst->tv_sec = x / (long long) (1e6);
} }
hires_ms NO_COPY gtod; hires_ms gtod;
UINT hires_ms::minperiod; UINT NO_COPY hires_ms::minperiod; /* minperiod needs to be NO_COPY since it
is a trigger for setting timeBeginPeriod
which needs to be set once for every
program. */
/* FIXME: Make thread safe */ /* FIXME: Make thread safe */
extern "C" int extern "C" int
@ -631,15 +634,16 @@ hires_ms::prime ()
FILETIME f; FILETIME f;
stupid_printf ("entering, minperiod %d", minperiod); stupid_printf ("entering, minperiod %d", minperiod);
if (!minperiod) if (minperiod)
if (timeGetDevCaps (&tc, sizeof (tc)) != TIMERR_NOERROR) /* done previously */;
minperiod = 1; else if (timeGetDevCaps (&tc, sizeof (tc)) != TIMERR_NOERROR)
else minperiod = 1;
{ else
stupid_printf ("timeGetDevCaps succeeded"); {
minperiod = min (max (tc.wPeriodMin, 1), tc.wPeriodMax); minperiod = min (max (tc.wPeriodMin, 1), tc.wPeriodMax);
timeBeginPeriod (minperiod); stupid_printf ("timeGetDevCaps succeeded. tc.wPeriodMin %u, tc.wPeriodMax %u, minperiod %u", tc.wPeriodMin, tc.wPeriodMax, minperiod);
} timeBeginPeriod (minperiod);
}
stupid_printf ("inited %d"); stupid_printf ("inited %d");
if (!inited) if (!inited)
@ -668,17 +672,23 @@ stupid_printf ("returning");
LONGLONG LONGLONG
hires_ms::usecs (bool justdelta) hires_ms::usecs (bool justdelta)
{ {
stupid_printf ("before call to prime(), minperiod %u, process priority %d", minperiod, GetThreadPriority (GetCurrentThread ()));
if (!minperiod) /* NO_COPY variable */ if (!minperiod) /* NO_COPY variable */
prime (); prime ();
stupid_printf ("after call to prime(), process priority %d", GetThreadPriority (GetCurrentThread ()));
DWORD now = timeGetTime (); DWORD now = timeGetTime ();
stupid_printf ("after call to timeGetTime, process priority %d", GetThreadPriority (GetCurrentThread ()));
if ((int) (now - initime_ms) < 0) if ((int) (now - initime_ms) < 0)
{ {
stupid_printf ("special casing, process priority %d", GetThreadPriority (GetCurrentThread ()));
inited = 0; inited = 0;
prime (); prime ();
now = timeGetTime (); now = timeGetTime ();
} }
// FIXME: Not sure how this will handle the 49.71 day wrap around // FIXME: Not sure how this will handle the 49.71 day wrap around
LONGLONG res = initime_us.QuadPart + ((LONGLONG) (now - initime_ms) * 1000); LONGLONG res = initime_us.QuadPart + ((LONGLONG) (now - initime_ms) * 1000);
stupid_printf ("res %U, process priority %d", res, GetThreadPriority (GetCurrentThread ()));
return res; return res;
} }