1.0.28.65: fix compiling with *PROFILE-HASH-CACHE* set to T

[sbcl.git] / src / runtime / monitor.c

diff --git a/src/runtime/monitor.c b/src/runtime/monitor.c
index 9d17508..6920df4 100644 (file)
--- a/src/runtime/monitor.c
+++ b/src/runtime/monitor.c
@@ -454,6 +454,10 @@ sub_monitor(void)
     if (!ldb_in) {
 #ifndef LISP_FEATURE_WIN32
         ldb_in = fopen("/dev/tty","r+");
+        if (ldb_in == NULL) {
+            perror("Error opening /dev/tty");
+            ldb_in = stdin;
+        }
 #else
         ldb_in = stdin;
 #endif