diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nohup.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/nohup.c b/src/nohup.c index b8b8c76b0..bd3bc3bd7 100644 --- a/src/nohup.c +++ b/src/nohup.c @@ -97,7 +97,9 @@ main (int argc, char **argv) usage (NOHUP_FAILURE); } - /* If standard input is a tty, replace it with /dev/null. */ + /* If standard input is a tty, replace it with /dev/null. + Note that it is deliberately opened for *writing*, + to ensure any read evokes an error. */ if (isatty (STDIN_FILENO)) fd_reopen (STDIN_FILENO, "/dev/null", O_WRONLY, 0); |