Specify arguments of sigchld_handler()

diff --git a/ptyas.c b/ptyas.c
index 4b7b208856e88f53a43abc833ea4dde6a7c5bcdb..9fc7997269a23b756f8a173f399f8bbad771df26 100644 (file)
--- a/ptyas.c
+++ b/ptyas.c
@@ -270,10 +270,12 @@ static void proxy_input_between_ttys(int pty_master, int ctty, volatile pid_t *p
 static volatile pid_t pid_to_wait_for;
 static int pid_to_wait_for_status;
 
-static void sigchld_handler() {
+static void sigchld_handler(int signal) {
     int status;
     pid_t pid;
 
+    (void)signal;
+
     while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
         if (pid == pid_to_wait_for) {
             /* Mark that our child has died and we should exit as well. */