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authorRaimo Niskanen <[email protected]>2010-07-06 16:15:36 +0200
committerRaimo Niskanen <[email protected]>2010-07-06 16:15:36 +0200
commit91078fbc7b0719150a0c7749a1de9e5c0c9bbdeb (patch)
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parentfdf51bf4a7127883705d71dab1bbd4556b28e05a (diff)
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Documentation clarifications for now/0 and timer:tc/3
Diffstat (limited to 'erts/doc')
-rw-r--r--erts/doc/src/erlang.xml6
1 files changed, 4 insertions, 2 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 77a628e82b..54a0a80536 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -2767,8 +2767,10 @@ os_prompt%</pre>
Otherwise, some other point in time is chosen. It is also
guaranteed that subsequent calls to this BIF returns
continuously increasing values. Hence, the return value from
- <c>now()</c> can be used to generate unique time-stamps. It
- can only be used to check the local time of day if
+ <c>now()</c> can be used to generate unique time-stamps,
+ and if it is called in a tight loop on a fast machine
+ the time of the node can become skewed.</p>
+ <p>It can only be used to check the local time of day if
the time-zone info of the underlying operating system is
properly configured.</p>
</desc>