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authorRichard Carlsson <[email protected]>2019-01-09 14:14:58 +0100
committerRichard Carlsson <[email protected]>2019-01-14 14:22:26 +0100
commite96f66d8817d89c51b5066ed0cd69fcda8620306 (patch)
treef63839cbcec202cef1da3126ce89443c3d208761 /erts/preloaded
parentf0ea49125815ec9197ffb6c74e20ebb5f10732d4 (diff)
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Document that current_function can be undefined
If a process is executing in native-compiled code, process_info(Pid, current_function) may return the atom undefined instead of an MFA.
Diffstat (limited to 'erts/preloaded')
-rw-r--r--erts/preloaded/src/erlang.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 1ed6b6b284..59c96ceb3c 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2295,7 +2295,7 @@ process_flag(_Flag, _Value) ->
non_neg_integer()}]} |
{catchlevel, CatchLevel :: non_neg_integer()} |
{current_function,
- {Module :: module(), Function :: atom(), Arity :: arity()}} |
+ {Module :: module(), Function :: atom(), Arity :: arity()} | undefined} |
{current_location,
{Module :: module(), Function :: atom(), Arity :: arity(),
Location :: [{file, Filename :: string()} | % not a stack_item()!