Commit bb46e785 authored by Topi Miettinen's avatar Topi Miettinen
Browse files

os: add support for systemd notification

It can take some time for Xorg to start. If Xorg runs as a systemd
service and other services are based on it, they have no way to
determine when Xorg is really ready to accept requests. Let's use
sd_notify() provided by libsystemd to signal systemd for readiness.
If Xorg has not been started as a systemd service, this won't do
Signed-off-by: Topi Miettinen's avatarTopi Miettinen <>
parent 9d25408a
Pipeline #35448 passed with stages
in 7 minutes and 36 seconds
......@@ -54,7 +54,8 @@ The X server may also be started directly by the user, though this
method is usually reserved for testing and is not recommended for
normal operation. On some platforms, the user must have special
permission to start the X server, often because access to certain
devices (e.g. \fI/dev/mouse\fP) is restricted.
devices (e.g. \fI/dev/mouse\fP) is restricted. Where applicable, the
X server notifies systemd when it is ready to process requests.
When the X server starts up, it typically takes over the display. If
you are running on a workstation whose console is the display, you may
......@@ -116,6 +116,10 @@ SOFTWARE.
#define zoneid_t int
#include <systemd/sd-daemon.h>
#include "probes.h"
struct ospoll *server_poll;
......@@ -207,6 +211,11 @@ NotifyParentProcess(void)
if (RunFromSigStopParent)
/* If we have been started as a systemd service, tell systemd that
we are ready. Otherwise sd_notify() won't do anything. */
sd_notify(0, "READY=1");
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