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From: Barry Scott <barry@barrys-emacs.org>
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Subject: Re: [systemd-devel] Starting programs before udev is running
Date: Tue, 2 Sep 2025 13:25:54 +0100
In-Reply-To: <f3491f04-d6a0-434b-a759-d9752c6a7af2@gmail.com>
To: Demi Marie Obenour <demiobenour@gmail.com>
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> On 2 Sep 2025, at 10:09, Demi Marie Obenour <demiobenour@gmail.com> =
wrote:
>=20
> The reason I ask is that I'm using systemd-udevd with a
> non-systemd service manager (s6 + s6-rc) and it has an
> incompatible method for readiness notification (writing
> a newline to a file descriptor).

Two thoughts.

Wrap in a program that converts the none-systemd notifications into the =
systemd one?

Patch in the systemd notitification, which is easy to do?

Barry


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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;"><br =
id=3D"lineBreakAtBeginningOfMessage"><div><br><blockquote =
type=3D"cite"><div>On 2 Sep 2025, at 10:09, Demi Marie Obenour =
&lt;demiobenour@gmail.com&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><span style=3D"caret-color: =
rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; font-style: =
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: =
normal; text-align: start; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;">The =
reason I ask is that I'm using systemd-udevd with a</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;"><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: =
normal; font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;">non-systemd service =
manager (s6 + s6-rc) and it has an</span><br style=3D"caret-color: =
rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; font-style: =
normal; font-variant-caps: normal; font-weight: 400; letter-spacing: =
normal; text-align: start; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><span style=3D"caret-color: rgb(0, 0, 0); =
font-family: Menlo-Regular; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline =
!important;">incompatible method for readiness notification =
(writing</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: =
normal; font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;"><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: =
normal; font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;">a newline to a file =
descriptor).</span></div></blockquote></div><br><div>Two =
thoughts.</div><div><br></div><div>Wrap in a program that converts the =
none-systemd notifications into the systemd =
one?</div><div><br></div><div>Patch in the systemd notitification, which =
is easy to =
do?</div><div><br></div><div>Barry</div><div><br></div></body></html>=

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