diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-08-05 00:04:17 +0300 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-08-05 00:04:17 +0300 |
commit | b182e9ad6011909fdb76358431d23d195febaf54 (patch) | |
tree | 650b66e06387f8b0f7fe054a53150809aede7701 /printutils/lpd.c | |
parent | 692eeb81a4c54d7d8bf0d2e370c12762b2a16ff7 (diff) |
libbb: use _exit, not exit, in bb_daemonize_or_rexec()
By the time we reach exit in parent, child already exited or execed.
We should not re-run libc cleanup code.
While at it, introduce bb_daemon_helper() and add a few comments.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'printutils/lpd.c')
-rw-r--r-- | printutils/lpd.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/printutils/lpd.c b/printutils/lpd.c index 3fdba5d2b..662d3a224 100644 --- a/printutils/lpd.c +++ b/printutils/lpd.c @@ -198,9 +198,8 @@ int lpd_main(int argc UNUSED_PARAM, char *argv[]) q = p; // next line } // helper should not talk over network. - // this call reopens stdio fds to "/dev/null" - // (no daemonization is done) - bb_daemonize_or_rexec(DAEMON_DEVNULL_STDIO | DAEMON_ONLY_SANITIZE, NULL); + // this call reopens stdio fds to "/dev/null". + bb_daemon_helper(DAEMON_DEVNULL_STDIO); BB_EXECVP_or_die(argv); } |