From 8af5e14fd8056408bc46698b7186655ec8e60062 Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Thu, 5 Oct 2006 15:07:52 -0700
Subject: [PATCH] perf: Do backend synchronization in cairo_perf_timer_start as
 well as cairo_perf_timer_stop

---
 perf/cairo-perf-posix.c | 20 +++++++++++---------
 perf/cairo-perf-win32.c | 12 +++++++-----
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/perf/cairo-perf-posix.c b/perf/cairo-perf-posix.c
index 952ec4503..9a30c3257 100644
--- a/perf/cairo-perf-posix.c
+++ b/perf/cairo-perf-posix.c
@@ -121,15 +121,6 @@ typedef struct _cairo_perf_timer
 
 static cairo_perf_timer_t timer;
 
-void
-cairo_perf_timer_start (void) {
-#ifdef OIL_STAMP
-    timer.start = OIL_STAMP ();
-#else
-    gettimeofday (&timer.tv_start, NULL);
-#endif
-}
-
 static cairo_perf_timer_finalize_t cairo_perf_timer_finalize = NULL;
 static void *cairo_perf_timer_finalize_closure = NULL;
 void
@@ -140,6 +131,17 @@ cairo_perf_timer_set_finalize (cairo_perf_timer_finalize_t	 finalize,
     cairo_perf_timer_finalize_closure = closure;
 }
 
+void
+cairo_perf_timer_start (void) {
+    if (cairo_perf_timer_finalize)
+	cairo_perf_timer_finalize (cairo_perf_timer_finalize_closure);
+#ifdef OIL_STAMP
+    timer.start = OIL_STAMP ();
+#else
+    gettimeofday (&timer.tv_start, NULL);
+#endif
+}
+
 void
 cairo_perf_timer_stop (void) {
     if (cairo_perf_timer_finalize)
diff --git a/perf/cairo-perf-win32.c b/perf/cairo-perf-win32.c
index 157d1b20f..a50f73417 100644
--- a/perf/cairo-perf-win32.c
+++ b/perf/cairo-perf-win32.c
@@ -42,11 +42,6 @@ typedef struct _cairo_perf_timer
 
 static cairo_perf_timer_t timer;
 
-void
-cairo_perf_timer_start (void) {
-    QueryPerformanceCounter(&timer.start);
-}
-
 static cairo_perf_timer_finalize_t cairo_perf_timer_finalize = NULL;
 static void *cairo_perf_timer_finalize_closure = NULL;
 void
@@ -57,6 +52,13 @@ cairo_perf_timer_set_finalize (cairo_perf_timer_finalize_t	 finalize,
     cairo_perf_timer_finalize_closure = closure;
 }
 
+void
+cairo_perf_timer_start (void) {
+    if (cairo_perf_timer_finalize)
+	cairo_perf_timer_finalize (cairo_perf_timer_finalize_closure);
+    QueryPerformanceCounter(&timer.start);
+}
+
 void
 cairo_perf_timer_stop (void) {
     if (cairo_perf_timer_finalize)