mthread: default to all messages when interactive w/o args

1 files changed, 7 insertions, 1 deletions

diff --git a/mthread.c b/mthread.c
index 8aa0efd..a0758a5 100644
--- a/mthread.c
+++ b/mthread.c
@@ -362,7 +362,13 @@ print_tree(struct container *c, int depth)
 int
 main(int argc, char *argv[])
 {
-	int i = blaze822_loop(argc-1, argv+1, thread);
+	int i;
+	if (argc == 1 && isatty(0)) {
+		char *all[] = { ":" };
+		i = blaze822_loop(1, all, thread);
+	} else {
+		i = blaze822_loop(argc-1, argv+1, thread);
+	}
 
 	find_roots();
 	prune_tree(top, -1);