git: c7a0acd832d9 - stable/14 - daemon: Disable stdio buffering.

The branch stable/14 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=c7a0acd832d98b889aca95d336b19410b0517178

commit c7a0acd832d98b889aca95d336b19410b0517178
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-10-06 16:44:52 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-12-13 16:23:57 +0000

    daemon: Disable stdio buffering.
    
    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
    
    (cherry picked from commit cec8e6ba64ccab7fb0d9fa531ebad9228233334d)
---
 usr.sbin/daemon/daemon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usr.sbin/daemon/daemon.c b/usr.sbin/daemon/daemon.c
index dfbb609ce10d..65e6bb7ca190 100644
--- a/usr.sbin/daemon/daemon.c
+++ b/usr.sbin/daemon/daemon.c
@@ -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);