Merge branch 'lukas/erts/fix-display_string-error-message' into maint

* lukas/erts/fix-display_string-error-message: erts: Expand erlang:display_string error message
garazdawi · Oct 17, 2024 · 8747ca4 · 8747ca4
2 parents 8ddeb84 + b9d46d7
commit 8747ca4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
@@ -3953,8 +3953,10 @@ BIF_RETTYPE display_string_2(BIF_ALIST_2)
     if (ERTS_IS_ATOM_STR("stdin", BIF_ARG_1)) {
         for (int i = 0; i < len; i++) {
             if (ioctl(fd, TIOCSTI, str+i) < 0) {
-                fprintf(stderr,"failed to write to %s (%s)\r\n", "/proc/self/fd/0",
-                        strerror(errno));
+                fprintf(stderr,"failed to write to %s (%s)\r\n"
+                        "to solve this you may need to enable legacy tiocsti\r\n"
+                        "  sudo sysctl -w dev.tty.legacy_tiocsti=1\r\n",
+                        "/proc/self/fd/0", strerror(errno));
                 close(fd);
                 goto error;
             }