X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsd_watchdog_enabled.xml;h=41640276405080abeb041d31cbb13ca536ee06c9;hb=02ea24ca2a0aac854c4e9e7d712f6464c8b29e4a;hp=5b0d7e21cb2b4fc2f303de33f5274b5069e66d51;hpb=494a66821815e8109afa136bd42818b85da38c09;p=elogind.git
diff --git a/man/sd_watchdog_enabled.xml b/man/sd_watchdog_enabled.xml
index 5b0d7e21c..416402764 100644
--- a/man/sd_watchdog_enabled.xml
+++ b/man/sd_watchdog_enabled.xml
@@ -21,7 +21,8 @@
along with systemd; If not, see .
-->
-
+
sd_watchdog_enabled
@@ -54,7 +55,7 @@
int sd_watchdog_enabled
int unset_environment
- const uint64_t *usec
+ uint64_t *usec
@@ -80,7 +81,7 @@
inherited by child processes.
If the usec parameter is
- non-NULL sd_watchdog_enabled()
+ non-NULL, sd_watchdog_enabled()
will return the timeout in µs for the watchdog
logic. The service manager will usually terminate a
service when it did not get a notification message
@@ -94,7 +95,7 @@
WATCHDOG=1.
To enable service supervision with the watchdog
- logic use WatchdogSec= in service
+ logic, use WatchdogSec= in service
files. See
systemd.service5
for details.
@@ -107,7 +108,7 @@
errno-style error code. If the service manager expects
watchdog keep-alive notification messages to be sent,
> 0 is returned, otherwise 0 is returned. Only if
- the return value is > 0 the
+ the return value is > 0, the
usec parameter is valid after
the call.
@@ -115,13 +116,7 @@
Notes
- This function is provided by the reference
- implementation of APIs for new-style daemons and
- distributed with the systemd package. The algorithm
- it implements is simple, and can easily be
- reimplemented in daemons if it is important to support
- this interface without using the reference
- implementation.
+
Internally, this functions parses the
$WATCHDOG_PID and
@@ -129,32 +124,9 @@
variable. The call will ignore these variables if
$WATCHDOG_PID does containe the PID
of the current process, under the assumption that in
- that case the variables were set for a different
+ that case, the variables were set for a different
process further up the process tree.
- For details about the algorithm check the
- liberally licensed reference implementation sources:
-
- and
-
- sd_watchdog_enabled() is
- implemented in the reference implementation's
- sd-daemon.c and
- sd-daemon.h files. These
- interfaces are available as a 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.