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Merge pull request #32097 from keszybz/sd-notify-cleanups

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Small cleanups to sd_notify docs
This commit is contained in:
Luca Boccassi 2024-04-04 17:44:12 +01:00 committed by GitHub
parent 7b62a246a6 3a9259d93c
commit 2aef0ac819
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GPG key ID: B5690EEEBB952194
3 changed files with 10 additions and 8 deletions
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10
man/notify-selfcontained-example.c
View file

@ -41,10 +41,7 @@ static int notify(const char *message) {
_cleanup_(closep) int fd = -1;
const char *socket_path;
socket_path = getenv("NOTIFY_SOCKET");
if (!socket_path)
return 0; /* Not running under systemd? Nothing to do */
/* Verify the argument first */
if (!message)
return -EINVAL;
@ -52,6 +49,11 @@ static int notify(const char *message) {
if (message_length == 0)
return -EINVAL;
/* If the variable is not set, the protocol is a noop */
socket_path = getenv("NOTIFY_SOCKET");
if (!socket_path)
return 0; /* Not set? Nothing to do */
/* Only AF_UNIX is supported, with path or abstract sockets */
if (socket_path[0] != '/' && socket_path[0] != '@')
return -EAFNOSUPPORT;

2
man/rules/meson.build
View file

@ -944,7 +944,7 @@ manpages = [
['systemd-hibernate-resume-generator', '8', [], 'ENABLE_HIBERNATE'],
['systemd-hibernate-resume.service',
'8',
['systemd-hibernate-resume', 'systemd-hibernate-clear.service'],
['systemd-hibernate-clear.service', 'systemd-hibernate-resume'],
'ENABLE_HIBERNATE'],
['systemd-homed.service', '8', ['systemd-homed'], 'ENABLE_HOMED'],
['systemd-hostnamed.service', '8', ['systemd-hostnamed'], 'ENABLE_HOSTNAMED'],

6
man/sd_notify.xml
View file

@ -533,8 +533,8 @@
<programlisting>
sd_notifyf(0, "READY=1\n"
"STATUS=Processing requests…\n"
"MAINPID=%lu",
"STATUS=Processing requests…\n"
"MAINPID=%lu",
(unsigned long) getpid());</programlisting>
</example>
@ -545,7 +545,7 @@ sd_notifyf(0, "READY=1\n"
<programlisting>
sd_notifyf(0, "STATUS=Failed to start up: %s\n"
"ERRNO=%i",
"ERRNO=%i",
strerror_r(errnum, (char[1024]){}, 1024),
errnum);</programlisting>
</example>