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Fix #440: refactor systemd and s6 readiness notifcation

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This patch fixes issue #440 which details how systemd readiness
notification has been broken since its inception in Finit.

In addition to now providing a proper abstract socket, the refactor
also drops the reliance on the Finit client API to fetch a socket.
Now an s6 descriptor is the write end of a pipe() and the systemd
socket is instead created before forking off the service.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg committed 2025-07-02 16:36:58 +02:00
1 parent dc497bcd57
commit 76f8a18816
6 files changed
+102 -48
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src/api.c
-14
View File
@@ -571,20 +571,6 @@ static void api_cb(uev_t *w, void *arg, int events)
result = do_signal(rq.data, sizeof(rq.data), rq.runlevel);
break;
case INIT_CMD_NOTIFY_SOCKET:
svc = svc_find_by_pid(rq.runlevel);
if (!svc) {
errx(1, "Unknown PID, cannot register notify socket");
result = 1;
break;
}
if (uev_io_init(ctx, &svc->notify_watcher, service_notify_cb, svc, sd, UEV_READ)) {
err(1, "Failed initializing %s readiness notifier", svc_ident(svc, NULL, 0));
break;
}
return; /* Don't close sd, used for notify */
default:
dbg("Unsupported cmd: %d", rq.cmd);
break;