From f74f81f06b1b08269120ada349cc57e2af02cd8d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=A0=D1=83=D1=81=D0=BB=D0=B0=D0=BD=20=D0=98=D0=B6=D0=B1?= =?UTF-8?q?=D1=83=D0=BB=D0=B0=D1=82=D0=BE=D0=B2?= Date: Wed, 22 Apr 2015 19:21:53 +0000 Subject: [PATCH] W32: Detect ticks wraparound https://bugzilla.gnome.org/show_bug.cgi?id=748327 --- gdk/win32/gdkevents-win32.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c index bb2a2dea1a..76398334b8 100644 --- a/gdk/win32/gdkevents-win32.c +++ b/gdk/win32/gdkevents-win32.c @@ -178,7 +178,9 @@ _gdk_win32_get_next_tick (gulong suggested_tick) if (suggested_tick == 0) suggested_tick = GetTickCount (); - if (suggested_tick <= cur_tick) + /* Ticks eventually wrap around. + * This works as long as the interval between ticks is < 2147483648ms */ + if (suggested_tick <= cur_tick && ((cur_tick - suggested_tick) < 0x7FFFFFFF)) return cur_tick; else return cur_tick = suggested_tick;