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Merge branch 'win32-gcond-wait-until-at-least' into 'master'

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win32: make g_cond_wait_until() wait at least until end_time before returning…

See merge request GNOME/glib!21
This commit is contained in:
Philip Withnall 2018-05-28 10:13:10 +00:00
commit 17d278e1d3
1 changed files with 28 additions and 7 deletions
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35
glib/gthread-win32.c
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@ -305,17 +305,38 @@ g_cond_wait_until (GCond *cond,
GMutex *entered_mutex,
gint64 end_time)
{
gint64 span;
gint64 span, start_time;
DWORD span_millis;
gboolean signalled;
span = end_time - g_get_monotonic_time ();
start_time = g_get_monotonic_time ();
do
{
span = end_time - start_time;
if G_UNLIKELY (span < 0)
span = 0;
if G_UNLIKELY (span < 0)
span_millis = 0;
else if G_UNLIKELY (span > G_GINT64_CONSTANT (1000) * (DWORD) INFINITE)
span_millis = INFINITE;
else
/* Round up so we don't time out too early */
span_millis = (span + 1000 - 1) / 1000;
if G_UNLIKELY (span > G_GINT64_CONSTANT (1000) * G_MAXINT32)
span = INFINITE;
/* We never want to wait infinitely */
if (span_millis >= INFINITE)
span_millis = INFINITE - 1;
return g_thread_impl_vtable.SleepConditionVariableSRW (cond, entered_mutex, span / 1000, 0);
signalled = g_thread_impl_vtable.SleepConditionVariableSRW (cond, entered_mutex, span_millis, 0);
if (signalled)
break;
/* In case we didn't wait long enough after a timeout, wait again for the
* remaining time */
start_time = g_get_monotonic_time ();
}
while (start_time < end_time);
return signalled;
}
/* {{{1 GPrivate */