X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_notify.xml;h=3e530757ce41519cf98067bf5af8f8f13791bbcc;hp=55965ffce4e999d9f0a1b34e1b674683976cf497;hb=88ae7333ee052e64607ae6678fe0e84991fe3482;hpb=79640424059328268b9fb6c5fa8eb777b27a177e
diff --git a/man/sd_notify.xml b/man/sd_notify.xml
index 55965ffce..3e530757c 100644
--- a/man/sd_notify.xml
+++ b/man/sd_notify.xml
@@ -79,7 +79,7 @@
If the unset_environment
parameter is non-zero, sd_notify()
will unset the $NOTIFY_SOCKET
- environment variable before returning (regardless
+ environment variable before returning (regardless of
whether the function call itself succeeded or
not). Further calls to
sd_notify() will then fail, but
@@ -164,11 +164,15 @@
systemd.service5
for details. It is recommended to send
this message if the
- WATCHDOG_USEC=
- environment variable has been set for
- the service process, in every half the
- time interval that is specified in the
- variable.
+ $WATCHDOG_PID
+ environment variable has been set to
+ the PID of the service process, in
+ every half the time interval that is
+ specified in the
+ $WATCHDOG_USEC
+ environment variable. See
+ sd_watchdog_enabled3
+ for details.
@@ -207,13 +211,10 @@
Notes
- These functions are provided by the reference
- implementation of APIs for new-style daemons and
- distributed with the systemd package. The algorithms
- they implement are simple, and can easily be
- reimplemented in daemons if it is important to support
- this interface without using the reference
- implementation.
+ These APIs are implemented as a shared library,
+ which can be compiled and linked to with the
+ libsystemd pkg-config1
+ file.
Internally, these functions send a single
datagram with the state string as payload to the
@@ -224,30 +225,6 @@
understood as Linux abstract namespace socket. The
datagram is accompanied by the process credentials of
the sending daemon, using SCM_CREDENTIALS.
-
- For details about the algorithms check the
- liberally licensed reference implementation sources:
-
- and
-
- sd_notify() and
- sd_notifyf() are implemented in
- the reference implementation's
- sd-daemon.c and
- sd-daemon.h files. These
- interfaces are available as shared library, which can
- be compiled and linked to with the
- libsystemd-daemon pkg-config1
- file. Alternatively, applications consuming these APIs
- may copy the implementation into their source tree. For
- more details about the reference implementation see
- sd-daemon3.
-
- If the reference implementation is used as
- drop-in files and -DDISABLE_SYSTEMD is set during
- compilation, these functions will always return 0 and
- otherwise become a NOP.
@@ -311,7 +288,8 @@
systemd1,
sd-daemon3,
daemon7,
- systemd.service5
+ systemd.service5,
+ sd_watchdog_enabled3