diff options
Diffstat (limited to 'lib/stdlib/doc/src')
| -rw-r--r-- | lib/stdlib/doc/src/calendar.xml | 6 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/file_sorter.xml | 6 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/random.xml | 9 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/timer.xml | 10 |
4 files changed, 17 insertions, 14 deletions
diff --git a/lib/stdlib/doc/src/calendar.xml b/lib/stdlib/doc/src/calendar.xml index e32a639b81..d8193a9ec2 100644 --- a/lib/stdlib/doc/src/calendar.xml +++ b/lib/stdlib/doc/src/calendar.xml @@ -270,7 +270,8 @@ <fsummary>Convert now to local date and time</fsummary> <desc> <p>This function returns local date and time converted from - the return value from <c>erlang:now()</c>.</p> + the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -279,7 +280,8 @@ <fsummary>Convert now to date and time</fsummary> <desc> <p>This function returns Universal Coordinated Time (UTC) - converted from the return value from <c>erlang:now()</c>.</p> + converted from the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/file_sorter.xml b/lib/stdlib/doc/src/file_sorter.xml index 16572df3c5..c069333c29 100644 --- a/lib/stdlib/doc/src/file_sorter.xml +++ b/lib/stdlib/doc/src/file_sorter.xml @@ -105,9 +105,9 @@ <c>file:get_cwd()</c> is used instead. The names of temporary files are derived from the Erlang nodename (<c>node()</c>), the process identifier of the current Erlang - emulator (<c>os:getpid()</c>), and a timestamp - (<c>erlang:now()</c>); a typical name would be - <c>fs_mynode@myhost_1763_1043_337000_266005.17</c>, where + emulator (<c>os:getpid()</c>), and a unique integer + (<c>erlang:unique_integer([positive])</c>); a typical name would be + <c>fs_mynode@myhost_1763_4711.17</c>, where <c>17</c> is a sequence number. Existing files will be overwritten. Temporary files are deleted unless some uncaught EXIT signal occurs. diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index e001058e19..2cc621ffc3 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -70,12 +70,11 @@ <desc> <p>Seeds random number generation with integer values in the process dictionary, and returns the old state.</p> - <p>One way of obtaining a seed is to use the BIF <c>now/0</c>:</p> + <p>One easy way of obtaining a unique value to seed with is to:</p> <code type="none"> - ... - {A1,A2,A3} = now(), - random:seed(A1, A2, A3), - ...</code> + random:seed(<seealso marker="erts:erlang#phash2/1">erlang:phash2</seealso>([<seealso marker="erts:erlang#node/0">node()</seealso>]), + <seealso marker="erts:erlang#monotonic_time/0">erlang:monotonic_time()</seealso>, + <seealso marker="erts:erlang#unique_integer/0">erlang:unique_integer()</seealso>)</code> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml index eca9a72d36..791a29689e 100644 --- a/lib/stdlib/doc/src/timer.xml +++ b/lib/stdlib/doc/src/timer.xml @@ -217,12 +217,14 @@ </func> <func> <name name="now_diff" arity="2"/> - <fsummary>Calculate time difference between <c>now/0</c>timestamps</fsummary> + <fsummary>Calculate time difference between timestamps</fsummary> <type_desc variable="Tdiff">In microseconds</type_desc> <desc> <p>Calculates the time difference <c><anno>Tdiff</anno> = <anno>T2</anno> - <anno>T1</anno></c> in - <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> probably - are timestamp tuples returned from <c>erlang:now/0</c>.</p> + <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> + are timestamp tuples on the same format as returned from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>, + or <seealso marker="kernel:os#timestamp/0"><c>os:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -234,7 +236,7 @@ </func> <func> <name name="minutes" arity="1"/> - <fsummary>Converts <c>Minutes</c>to <c>Milliseconds</c>.</fsummary> + <fsummary>Converts <c>Minutes</c> to <c>Milliseconds</c>.</fsummary> <desc> <p>Return the number of milliseconds in <c><anno>Minutes</anno></c>.</p> </desc> |