Add UNUSED macro that expands to a parameter attribute annotation on

[rsync/rsync.git] / main.c

diff --git a/main.c b/main.c
index 6213678..74d205f 100644 (file)
--- a/main.c
+++ b/main.c
@@ -644,6 +644,9 @@ static int copy_argv (char *argv[])
  * Start a client for either type of remote connection.  Work out
  * whether the arguments request a remote shell or rsyncd connection,
  * and call the appropriate connection function, then run_client.
+ *
+ * Calls either start_socket_client (for sockets) or do_cmd and
+ * client_run (for ssh).
  */
 static int start_client(int argc, char *argv[])
 {
@@ -783,17 +786,17 @@ static int start_client(int argc, char *argv[])
 }
 
 
-static RETSIGTYPE sigusr1_handler(int val) {
+static RETSIGTYPE sigusr1_handler(int UNUSED(val)) {
        exit_cleanup(RERR_SIGNAL);
 }
 
-static RETSIGTYPE sigusr2_handler(int val) {
+static RETSIGTYPE sigusr2_handler(int UNUSED(val)) {
        extern int log_got_error;
        if (log_got_error) _exit(RERR_PARTIAL);
        _exit(0);
 }
 
-static RETSIGTYPE sigchld_handler(int val) {
+static RETSIGTYPE sigchld_handler(int UNUSED(val)) {
 #ifdef WNOHANG
        while (waitpid(-1, NULL, WNOHANG) > 0) ;
 #endif