diff options
| -rw-r--r-- | usr.bin/vi/common/exf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/usr.bin/vi/common/exf.c b/usr.bin/vi/common/exf.c index 574a16aab3b..dd0eba7fd87 100644 --- a/usr.bin/vi/common/exf.c +++ b/usr.bin/vi/common/exf.c @@ -1436,6 +1436,10 @@ file_lock(sp, name, fdp, fd, iswrite) if (!O_ISSET(sp, O_LOCKFILES)) return (LOCK_SUCCESS); + /* Set close-on-exec flag so locks are not inherited by shell cmd. */ + if (fcntl(fd, F_SETFD, 1) == -1) + msgq_str(sp, M_SYSERR, name, "%s"); + #ifdef HAVE_LOCK_FLOCK /* Hurrah! We've got flock(2). */ /* * !!! |