1 files changed, 15 insertions, 2 deletions

diff --git a/bin/chflags/chflags.c b/bin/chflags/chflags.c
index 3121f470e13a..c1d9c18b9b6b 100644
--- a/bin/chflags/chflags.c
+++ b/bin/chflags/chflags.c
@@ -51,13 +51,23 @@ __FBSDID("$FreeBSD$");
 #include <errno.h>
 #include <fcntl.h>
 #include <fts.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
+static volatile sig_atomic_t siginfo;
+
 static void usage(void);
 
+static void
+siginfo_handler(int sig __unused)
+{
+
+	siginfo = 1;
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -108,6 +118,8 @@ main(int argc, char *argv[])
 	if (argc < 2)
 		usage();
 
+	(void)signal(SIGINFO, siginfo_handler);
+
 	if (Rflag) {
 		if (hflag)
 			errx(1, "the -R and -h options may not be "
@@ -188,13 +200,14 @@ main(int argc, char *argv[])
 		    atflag) == -1 && !fflag) {
 			warn("%s", p->fts_path);
 			rval = 1;
-		} else if (vflag) {
+		} else if (vflag || siginfo) {
 			(void)printf("%s", p->fts_path);
-			if (vflag > 1)
+			if (vflag > 1 || siginfo)
 				(void)printf(": 0%lo -> 0%lo",
 				    (u_long)p->fts_statp->st_flags,
 				    newflags);
 			(void)printf("\n");
+			siginfo = 0;
 		}
 	}
 	if (errno)