mark unused parameters in signal handlers

Signal handlers receive their signal number as a parameter, but many
don't care what it is (because they only handle one signal, or because
their action is the same regardless of the signal). Mark such parameters
to silence -Wunused-parameter.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fast-import.c b/builtin/fast-import.c
index 7134683..4a8c835 100644 (file)
--- a/builtin/fast-import.c
+++ b/builtin/fast-import.c
@@ -436,7 +436,7 @@ static void set_checkpoint_signal(void)
 
 #else
 
-static void checkpoint_signal(int signo)
+static void checkpoint_signal(int signo UNUSED)
 {
        checkpoint_requested = 1;
 }

diff --git a/builtin/log.c b/builtin/log.c
index 04412dd..813b768 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -436,7 +436,7 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
        setitimer(ITIMER_REAL, &early_output_timer, NULL);
 }
 
-static void early_output(int signal)
+static void early_output(int signal UNUSED)
 {
        show_early_output = log_show_early;
 }

diff --git a/daemon.c b/daemon.c
index 0ae7d12..06d5bc6 100644 (file)
--- a/daemon.c
+++ b/daemon.c
@@ -928,7 +928,7 @@ static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen)
                add_child(&cld, addr, addrlen);
 }
 
-static void child_handler(int signo)
+static void child_handler(int signo UNUSED)
 {
        /*
         * Otherwise empty handler because systemcalls will get interrupted

diff --git a/progress.c b/progress.c
index 0cdd875..9b33a2d 100644 (file)
--- a/progress.c
+++ b/progress.c
@@ -59,7 +59,7 @@ void progress_test_force_update(void)
 }
 
 
-static void progress_interval(int signum)
+static void progress_interval(int signum UNUSED)
 {
        progress_update = 1;
 }