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daemon: Disable stdio buffering.

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The daemon utility already does its own buffering and retransmits its
child's output line by line.  There's no need for stdio to add its own
buffering on top of this.

MFC after:	1 week
Sponsored by:	Modirum MDPay
Reviewed by:	allanjude
Differential Revision:	https://reviews.freebsd.org/D42111
This commit is contained in:
Dag-Erling Smørgrav 2023-10-06 18:44:52 +02:00
parent c5e5722220
commit cec8e6ba64
1 changed files with 1 additions and 0 deletions
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usr.sbin/daemon/daemon.c
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@ -420,6 +420,7 @@ daemon_eventloop(struct daemon_state *state)
close(state->pipe_fd[1]);
state->pipe_fd[1] = -1;
setproctitle("%s[%d]", state->title, (int)state->pid);
setbuf(stdout, NULL);
while (state->mode != MODE_NOCHILD) {
ret = kevent(kq, NULL, 0, &event, 1, NULL);