[PATCH 3/8] progress.c: move signal handler functions lower

[Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>]

Move the signal handler functions to just before the
start_progress_delay() where they'll be referenced, instead of having
them at the top of the file.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 progress.c | 92 ++++++++++++++++++++++++++++--------------------------
 1 file changed, 48 insertions(+), 44 deletions(-)

diff --git a/progress.c b/progress.c
index 680c6a8bf9..893cb0fe56 100644
--- a/progress.c
+++ b/progress.c
@@ -53,50 +53,6 @@ static volatile sig_atomic_t progress_update;
  */
 int progress_testing;
 uint64_t progress_test_ns = 0;
-void progress_test_force_update(void)
-{
-	progress_update = 1;
-}
-
-
-static void progress_interval(int signum)
-{
-	progress_update = 1;
-}
-
-static void set_progress_signal(void)
-{
-	struct sigaction sa;
-	struct itimerval v;
-
-	if (progress_testing)
-		return;
-
-	progress_update = 0;
-
-	memset(&sa, 0, sizeof(sa));
-	sa.sa_handler = progress_interval;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_flags = SA_RESTART;
-	sigaction(SIGALRM, &sa, NULL);
-
-	v.it_interval.tv_sec = 1;
-	v.it_interval.tv_usec = 0;
-	v.it_value = v.it_interval;
-	setitimer(ITIMER_REAL, &v, NULL);
-}
-
-static void clear_progress_signal(void)
-{
-	struct itimerval v = {{0,},};
-
-	if (progress_testing)
-		return;
-
-	setitimer(ITIMER_REAL, &v, NULL);
-	signal(SIGALRM, SIG_IGN);
-	progress_update = 0;
-}
 
 static int is_foreground_fd(int fd)
 {
@@ -249,6 +205,54 @@ void display_progress(struct progress *progress, uint64_t n)
 		display(progress, n, NULL);
 }
 
+static void progress_interval(int signum)
+{
+	progress_update = 1;
+}
+
+/*
+ * The progress_test_force_update() function is intended for testing
+ * the progress output, i.e. exclusively for 'test-tool progress'.
+ */
+void progress_test_force_update(void)
+{
+	progress_update = 1;
+}
+
+static void set_progress_signal(void)
+{
+	struct sigaction sa;
+	struct itimerval v;
+
+	if (progress_testing)
+		return;
+
+	progress_update = 0;
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = progress_interval;
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = SA_RESTART;
+	sigaction(SIGALRM, &sa, NULL);
+
+	v.it_interval.tv_sec = 1;
+	v.it_interval.tv_usec = 0;
+	v.it_value = v.it_interval;
+	setitimer(ITIMER_REAL, &v, NULL);
+}
+
+static void clear_progress_signal(void)
+{
+	struct itimerval v = {{0,},};
+
+	if (progress_testing)
+		return;
+
+	setitimer(ITIMER_REAL, &v, NULL);
+	signal(SIGALRM, SIG_IGN);
+	progress_update = 0;
+}
+
 static struct progress *start_progress_delay(const char *title, uint64_t total,
 					     unsigned delay, unsigned sparse)
 {
-- 
2.32.0.957.gd9e39d72fe6