2 files changed, 25 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 7d98dc6e4f..70b159f8c3 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5639,3 +5639,25 @@ bool in_initrd(void) {
 
         return saved;
 }
+
+void warn_melody(void) {
+        int fd;
+
+        fd = open("/dev/console", O_WRONLY|O_CLOEXEC|O_NOCTTY);
+        if (fd < 0)
+                return;
+
+        /* Yeah, this is synchronous. Kinda sucks. Bute well... */
+
+        ioctl(fd, KIOCSOUND, (int)(1193180/440));
+        usleep(125*USEC_PER_MSEC);
+
+        ioctl(fd, KIOCSOUND, (int)(1193180/220));
+        usleep(125*USEC_PER_MSEC);
+
+        ioctl(fd, KIOCSOUND, (int)(1193180/220));
+        usleep(125*USEC_PER_MSEC);
+
+        ioctl(fd, KIOCSOUND, 0);
+        close_nointr_nofail(fd);
+}
diff --git a/src/shared/util.h b/src/shared/util.h
index 2d890fa6a3..35ff2e3547 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -513,4 +513,7 @@ int can_sleep(const char *type);
 bool is_valid_documentation_url(const char *url);
 
 bool in_initrd(void);
+
+void warn_melody(void);
+
 #endif