MFC r296524:

  Filemon: Attach from the child to avoid racing with the parent attach.

Relnotes:	yes

1 files changed, 10 insertions, 4 deletions

diff --git a/usr.bin/script/script.c b/usr.bin/script/script.c
index 4e5e313..1fb79f3 100644
--- a/usr.bin/script/script.c
+++ b/usr.bin/script/script.c
@@ -221,13 +221,19 @@ main(int argc, char *argv[])
 		warn("fork");
 		done(1);
 	}
-	if (child == 0)
+	if (child == 0) {
+		if (fflg) {
+			int pid;
+
+			pid = getpid();
+			if (ioctl(fm_fd, FILEMON_SET_PID, &pid) < 0)
+				err(1, "Cannot set filemon PID");
+		}
+
 		doshell(argv);
+	}
 	close(slave);
 
-	if (fflg && ioctl(fm_fd, FILEMON_SET_PID, &child) < 0)
-		err(1, "Cannot set filemon PID");
-
 	start = tvec = time(0);
 	readstdin = 1;
 	for (;;) {