diff options
Diffstat (limited to 'lib/kernel/doc/src/heart.xml')
-rw-r--r-- | lib/kernel/doc/src/heart.xml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml index 5b5b71e521..ad1a2ffeb9 100644 --- a/lib/kernel/doc/src/heart.xml +++ b/lib/kernel/doc/src/heart.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2016</year> + <year>1996</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -59,8 +59,9 @@ <pre> % <input>erl -heart -env HEART_BEAT_TIMEOUT 30 ...</input></pre> <p>The value (in seconds) must be in the range 10 < X <= 65535.</p> - <p>Notice that if the system clock is adjusted with - more than <c>HEART_BEAT_TIMEOUT</c> seconds, <c>heart</c> + <p>When running on OSs lacking support for monotonic time, + <c>heart</c> is susceptible to system clock adjustments of more than + <c>HEART_BEAT_TIMEOUT</c> seconds. When this happens, <c>heart</c> times out and tries to reboot the system. This can occur, for example, if the system clock is adjusted automatically by use of the Network Time Protocol (NTP).</p> |