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authorBjörn-Egil Dahlberg <[email protected]>2015-05-28 15:43:05 +0200
committerBjörn-Egil Dahlberg <[email protected]>2015-05-28 15:43:05 +0200
commit6fe0fae81adf2f6a222dccb3222309e205c6ffdc (patch)
treea6d4e2c6cd7ec700f890dc47a5febeb03ff29498 /lib/kernel/doc/src
parent2925fbba49237ff6b6e2691f52c4afb2c0447e46 (diff)
parent09b461e9c851abfaf7e1d697232e3af3ddedce9f (diff)
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Merge branch 'richcarl/warnings-by-default/OTP-12781'
* richcarl/warnings-by-default/OTP-12781: stdlib: Use warning channel in test qlc_SUITE:otp_6964/1 stdlib: Fix testcase for qlc_SUITE kernel: Fix code_SUITE with respect to new logger default Map error logger warnings to warning messages by default
Diffstat (limited to 'lib/kernel/doc/src')
-rw-r--r--lib/kernel/doc/src/error_logger.xml31
1 files changed, 15 insertions, 16 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml
index df2f0b01ee..f49d63b5a6 100644
--- a/lib/kernel/doc/src/error_logger.xml
+++ b/lib/kernel/doc/src/error_logger.xml
@@ -58,12 +58,11 @@
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. 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>
+ <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>
</description>
<datatypes>
<datatype>
@@ -132,7 +131,7 @@ 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 (default), warnings or info, depending
+ are tagged as errors, warnings (default) or info, depending
on the value of the command line flag <c>+W</c>.</p>
<pre>
os$ <input>erl</input>
@@ -140,25 +139,25 @@ 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>
-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
3>
User switch command
--> q
-os$ <input>erl +W w</input>
+os$ <input>erl +W e</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>
-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</pre>
</desc>
</func>