diff options
Diffstat (limited to 'lib/kernel/doc')
| -rw-r--r-- | lib/kernel/doc/src/error_logger.xml | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml index f49d63b5a6..df2f0b01ee 100644 --- a/lib/kernel/doc/src/error_logger.xml +++ b/lib/kernel/doc/src/error_logger.xml @@ -58,11 +58,12 @@ specific events. (<c>add_report_handler/1,2</c>). Also, there is a useful event handler in STDLIB for multi-file logging of events, see <c>log_mf_h(3)</c>.</p> - <p>Warning events were introduced in Erlang/OTP R9C and are enabled - by default as of 18.0. To retain backwards compatibility with existing - user defined event handlers, these may be tagged as errors or info - using the command line flag <c><![CDATA[+W <e | i | w>]]></c>, thus - showing up as error or info reports in the logs.</p> + <p>Warning events were introduced in Erlang/OTP R9C. To retain + backwards compatibility, these are by default tagged as errors, + thus showing up as error reports in the logs. By using + the command line flag <c><![CDATA[+W <w | i>]]></c>, they can instead + be tagged as warnings or info. Tagging them as warnings may + require rewriting existing user defined event handlers.</p> </description> <datatypes> <datatype> @@ -131,7 +132,7 @@ ok</pre> <desc> <p>Returns the current mapping for warning events. Events sent using <c>warning_msg/1,2</c> or <c>warning_report/1,2</c> - are tagged as errors, warnings (default) or info, depending + are tagged as errors (default), warnings or info, depending on the value of the command line flag <c>+W</c>.</p> <pre> os$ <input>erl</input> @@ -139,25 +140,25 @@ Erlang (BEAM) emulator version 5.4.8 [hipe] [threads:0] [kernel-poll] Eshell V5.4.8 (abort with ^G) 1> <input>error_logger:warning_map().</input> -warning -2> <input>error_logger:warning_msg("Warnings tagged as: ~p~n", [warning]).</input> +error +2> <input>error_logger:warning_msg("Warnings tagged as: ~p~n", [error]).</input> -=WARNING REPORT==== 11-Aug-2005::15:31:55 === -Warnings tagged as: warning +=ERROR REPORT==== 11-Aug-2005::15:31:23 === +Warnings tagged as: error ok 3> User switch command --> q -os$ <input>erl +W e</input> +os$ <input>erl +W w</input> Erlang (BEAM) emulator version 5.4.8 [hipe] [threads:0] [kernel-poll] Eshell V5.4.8 (abort with ^G) 1> <input>error_logger:warning_map().</input> -error -2> <input>error_logger:warning_msg("Warnings tagged as: ~p~n", [error]).</input> +warning +2> <input>error_logger:warning_msg("Warnings tagged as: ~p~n", [warning]).</input> -=ERROR REPORT==== 11-Aug-2005::15:31:23 === -Warnings tagged as: error +=WARNING REPORT==== 11-Aug-2005::15:31:55 === +Warnings tagged as: warning ok</pre> </desc> </func> |