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-rw-r--r--erts/doc/src/erlang.xml53
-rw-r--r--erts/emulator/beam/atom.names4
-rw-r--r--erts/emulator/beam/erl_time_sup.c6
-rw-r--r--erts/example/time_compat.erl4
-rw-r--r--erts/preloaded/ebin/erlang.beambin104816 -> 105100 bytes
-rw-r--r--erts/preloaded/src/erlang.erl31
6 files changed, 79 insertions, 19 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 6289f033b2..e06ad461d8 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -70,26 +70,26 @@
</datatype>
<datatype>
<name name="time_unit"></name>
- <desc><p><marker id="type_time_unit"/>
- Supported time unit representations:</p>
+ <desc><marker id="type_time_unit"/>
+ <p>Supported time unit representations:</p>
<taglist>
<tag><c>PartsPerSecond :: integer() >= 1</c></tag>
<item><p>Time unit expressed in parts per second. That is,
the time unit equals <c>1/PartsPerSecond</c> second.</p></item>
- <tag><c>seconds</c></tag>
+ <tag><c>second</c></tag>
<item><p>Symbolic representation of the time unit
represented by the integer <c>1</c>.</p></item>
- <tag><c>milli_seconds</c></tag>
+ <tag><c>millisecond</c></tag>
<item><p>Symbolic representation of the time unit
represented by the integer <c>1000</c>.</p></item>
- <tag><c>micro_seconds</c></tag>
+ <tag><c>microsecond</c></tag>
<item><p>Symbolic representation of the time unit
represented by the integer <c>1000000</c>.</p></item>
- <tag><c>nano_seconds</c></tag>
+ <tag><c>nanosecond</c></tag>
<item><p>Symbolic representation of the time unit
represented by the integer <c>1000000000</c>.</p></item>
@@ -108,7 +108,7 @@
<p>One can get an approximation of the <c>native</c>
time unit by calling <c>erlang:convert_time_unit(1,
- seconds, native)</c>. The result equals the number
+ second, native)</c>. The result equals the number
of whole <c>native</c> time units per second. In case
the number of <c>native</c> time units per second does
not add up to a whole number, the result is rounded downwards.</p>
@@ -138,8 +138,12 @@
as the <c>native</c> time unit. That is it might differ inbetween
run-time restarts. You get values of this type by calling
<seealso marker="kernel:os#perf_counter/0"><c>os:perf_counter()</c></seealso>
- </p>
- </item>
+ </p></item>
+
+ <tag><seealso marker="#type_deprecated_time_unit"><c>deprecated_time_unit()</c></seealso></tag>
+ <item><p>
+ Deprecated symbolic representations kept for backwards-compatibility.
+ </p></item>
</taglist>
@@ -149,6 +153,27 @@
</desc>
</datatype>
+ <datatype>
+ <name name="deprecated_time_unit"></name>
+ <desc><marker id="type_deprecated_time_unit"/>
+ <p>The <seealso marker="#type_time_unit"><c>time_unit()</c></seealso>
+ type also consist of the following <em>deprecated</em> symbolic
+ time units:</p>
+ <taglist>
+ <tag><c>seconds</c></tag>
+ <item><p>Same as <seealso marker="#type_time_unit"><c>second</c></seealso>.</p></item>
+
+ <tag><c>milli_seconds</c></tag>
+ <item><p>Same as <seealso marker="#type_time_unit"><c>millisecond</c></seealso>.</p></item>
+
+ <tag><c>micro_seconds</c></tag>
+ <item><p>Same as <seealso marker="#type_time_unit"><c>microsecond</c></seealso>.</p></item>
+
+ <tag><c>nano_seconds</c></tag>
+ <item><p>Same as <seealso marker="#type_time_unit"><c>nanosecond</c></seealso>.</p></item>
+ </taglist>
+ </desc>
+ </datatype>
</datatypes>
<funcs>
@@ -8284,7 +8309,7 @@ ok
<seealso marker="time_correction#Erlang_Monotonic_Time">Erlang
monotonic time</seealso>. The time-stamp (Ts) has the same
format and value as produced by
- <c>erlang:monotonic_time(nano_seconds)</c>.</p>
+ <c>erlang:monotonic_time(nanosecond)</c>.</p>
</item>
<tag><c>runnable_procs</c></tag>
<item>
@@ -8312,7 +8337,7 @@ ok
<seealso marker="time_correction#Erlang_Monotonic_Time">Erlang
monotonic time</seealso> and a monotonically increasing
integer. The time-stamp (Ts) has the same format and value
- as produced by <c>{erlang:monotonic_time(nano_seconds),
+ as produced by <c>{erlang:monotonic_time(nanosecond),
erlang:unique_integer([monotonic])}</c>.</p>
</item>
<tag><c>timestamp</c></tag>
@@ -8525,7 +8550,7 @@ ok
<p>The <c>erlang:timestamp()</c> BIF is equivalent to:</p><code type="none">
timestamp() ->
- ErlangSystemTime = erlang:system_time(micro_seconds),
+ ErlangSystemTime = erlang:system_time(microsecond),
MegaSecs = ErlangSystemTime div 1000000000000,
Secs = ErlangSystemTime div 1000000 - MegaSecs*1000000,
MicroSecs = ErlangSystemTime rem 1000000,
@@ -8762,7 +8787,7 @@ timestamp() ->
<seealso marker="time_correction#Erlang_Monotonic_Time">Erlang
monotonic time</seealso> time-stamp in all trace messages. The
time-stamp (Ts) has the same format and value as produced by
- <seealso marker="#monotonic_time-1"><c>erlang:monotonic_time(nano_seconds)</c></seealso>.
+ <seealso marker="#monotonic_time-1"><c>erlang:monotonic_time(nanosecond)</c></seealso>.
This flag overrides the <c>cpu_timestamp</c> flag.</p>
</item>
<tag><c>strict_monotonic_timestamp</c></tag>
@@ -8772,7 +8797,7 @@ timestamp() ->
monotonic time</seealso> and a monotonically increasing
integer in all trace messages. The time-stamp (Ts) has the
same format and value as produced by
- <c>{</c><seealso marker="#monotonic_time-1"><c>erlang:monotonic_time(nano_seconds)</c></seealso><c>,</c>
+ <c>{</c><seealso marker="#monotonic_time-1"><c>erlang:monotonic_time(nanosecond)</c></seealso><c>,</c>
<seealso marker="#unique_integer-1"><c>erlang:unique_integer([monotonic])</c></seealso><c>}</c>.
This flag overrides the <c>cpu_timestamp</c> flag.</p>
</item>
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index badd69856e..263c7d4ac2 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -384,8 +384,10 @@ atom merge_trap
atom meta
atom meta_match_spec
atom micro_seconds
+atom microsecond
atom microstate_accounting
atom milli_seconds
+atom millisecond
atom min_heap_size
atom min_bin_vheap_size
atom minor_version
@@ -402,6 +404,7 @@ atom more
atom multi_scheduling
atom multiline
atom nano_seconds
+atom nanosecond
atom name
atom named_table
atom namelist
@@ -554,6 +557,7 @@ atom schedulers_online
atom scheme
atom scientific
atom scope
+atom second
atom seconds
atom send_to_non_existing_process
atom sensitive
diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c
index 9e37106b88..6aa2a7500f 100644
--- a/erts/emulator/beam/erl_time_sup.c
+++ b/erts/emulator/beam/erl_time_sup.c
@@ -2133,22 +2133,26 @@ time_unit_conversion(Process *c_p, Eterm term, ErtsMonotonicTime val, ErtsMonoto
/* Convert to common user specified time units */
switch (term) {
+ case am_second:
case am_seconds:
case make_small(1):
result = ERTS_MONOTONIC_TO_SEC(val) + muloff*ERTS_MONOTONIC_OFFSET_SEC;
ERTS_BIF_PREP_RET(ret, make_time_val(c_p, result));
break;
+ case am_millisecond:
case am_milli_seconds:
case make_small(1000):
result = ERTS_MONOTONIC_TO_MSEC(val) + muloff*ERTS_MONOTONIC_OFFSET_MSEC;
ERTS_BIF_PREP_RET(ret, make_time_val(c_p, result));
break;
+ case am_microsecond:
case am_micro_seconds:
case make_small(1000*1000):
result = ERTS_MONOTONIC_TO_USEC(val) + muloff*ERTS_MONOTONIC_OFFSET_USEC;
ERTS_BIF_PREP_RET(ret, make_time_val(c_p, result));
break;
#ifdef ARCH_64
+ case am_nanosecond:
case am_nano_seconds:
case make_small(1000*1000*1000):
result = ERTS_MONOTONIC_TO_NSEC(val) + muloff*ERTS_MONOTONIC_OFFSET_NSEC;
@@ -2159,7 +2163,7 @@ time_unit_conversion(Process *c_p, Eterm term, ErtsMonotonicTime val, ErtsMonoto
Eterm value, native_res;
#ifndef ARCH_64
Sint user_res;
- if (term == am_nano_seconds)
+ if (term == am_nanosecond || term == am_nano_seconds)
goto to_nano_seconds;
if (term_to_Sint(term, &user_res)) {
if (user_res == 1000*1000*1000) {
diff --git a/erts/example/time_compat.erl b/erts/example/time_compat.erl
index b87c6cc550..589781c8e8 100644
--- a/erts/example/time_compat.erl
+++ b/erts/example/time_compat.erl
@@ -272,6 +272,10 @@ system_flag(Flag, Value) ->
%%
integer_time_unit(native) -> 1000*1000;
+integer_time_unit(nanosecond) -> 1000*1000*1000;
+integer_time_unit(microsecond) -> 1000*1000;
+integer_time_unit(millisecond) -> 1000;
+integer_time_unit(second) -> 1;
integer_time_unit(nano_seconds) -> 1000*1000*1000;
integer_time_unit(micro_seconds) -> 1000*1000;
integer_time_unit(milli_seconds) -> 1000;
diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam
index b62da04bfd..c68debeabc 100644
--- a/erts/preloaded/ebin/erlang.beam
+++ b/erts/preloaded/ebin/erlang.beam
Binary files differ
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index edf79b8f75..652a954807 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -59,6 +59,7 @@
-export_type([timestamp/0]).
-export_type([time_unit/0]).
+-export_type([deprecated_time_unit/0]).
-type ext_binary() :: binary().
-type timestamp() :: {MegaSecs :: non_neg_integer(),
@@ -67,12 +68,20 @@
-type time_unit() ::
pos_integer()
- | 'seconds'
+ | 'second'
+ | 'millisecond'
+ | 'microsecond'
+ | 'nanosecond'
+ | 'native'
+ | 'perf_counter'
+ | deprecated_time_unit().
+
+%% Deprecated symbolic units...
+-type deprecated_time_unit() ::
+ 'seconds'
| 'milli_seconds'
| 'micro_seconds'
- | 'nano_seconds'
- | 'native'
- | 'perf_counter'.
+ | 'nano_seconds'.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Native code BIF stubs and their types
@@ -1365,19 +1374,33 @@ convert_time_unit(Time, FromUnit, ToUnit) ->
FU = case FromUnit of
native -> erts_internal:time_unit();
perf_counter -> erts_internal:perf_counter_unit();
+ nanosecond -> 1000*1000*1000;
+ microsecond -> 1000*1000;
+ millisecond -> 1000;
+ second -> 1;
+
+ %% Deprecated symbolic units...
nano_seconds -> 1000*1000*1000;
micro_seconds -> 1000*1000;
milli_seconds -> 1000;
seconds -> 1;
+
_ when FromUnit > 0 -> FromUnit
end,
TU = case ToUnit of
native -> erts_internal:time_unit();
perf_counter -> erts_internal:perf_counter_unit();
+ nanosecond -> 1000*1000*1000;
+ microsecond -> 1000*1000;
+ millisecond -> 1000;
+ second -> 1;
+
+ %% Deprecated symbolic units...
nano_seconds -> 1000*1000*1000;
micro_seconds -> 1000*1000;
milli_seconds -> 1000;
seconds -> 1;
+
_ when ToUnit > 0 -> ToUnit
end,
case Time < 0 of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 07:50:19 +0000