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-rw-r--r--lib/stdlib/doc/src/proc_lib.xml50
1 files changed, 36 insertions, 14 deletions
diff --git a/lib/stdlib/doc/src/proc_lib.xml b/lib/stdlib/doc/src/proc_lib.xml
index cb152d1935..c4fdf972e4 100644
--- a/lib/stdlib/doc/src/proc_lib.xml
+++ b/lib/stdlib/doc/src/proc_lib.xml
@@ -59,18 +59,16 @@
<p>When a process that is started using <c>proc_lib</c> terminates
abnormally (that is, with another exit reason than <c>normal</c>,
<c>shutdown</c>, or <c>{shutdown,Term}</c>), a <em>crash report</em>
- is generated, which is written to terminal by the default SASL
- event handler. That is, the crash report is normally only visible
- if the SASL application is started; see
- <seealso marker="sasl:sasl_app"><c>sasl(6)</c></seealso> and section
- <seealso marker="sasl:error_logging">SASL Error Logging</seealso>
- in the SASL User's Guide.</p>
+ is generated, which is written to terminal by the default logger
+ handler setup by Kernel. For more information about how crash reports
+ were logged before OTP-21, see <seealso marker="sasl:error_logging">
+ SASL Error Logging</seealso> in the SASL User's Guide.</p>
<p>Unlike in "plain Erlang", <c>proc_lib</c> processes will not generate
<em>error reports</em>, which are written to the terminal by the
- emulator and do not require SASL to be started. All exceptions are
+ emulator. All exceptions are
converted to <em>exits</em> which are ignored by the default
- <c>error_logger</c> handler.</p>
+ <c>logger</c> handler.</p>
<p>The crash report contains the previously stored information, such
as ancestors and initial function, the termination reason, and
@@ -115,12 +113,22 @@
<name name="format" arity="2"/>
<fsummary>Format a crash report.</fsummary>
<desc>
- <p>This function can be used by a user-defined event handler to
+ <note>
+ <p>This function is deprecated in the sense that
+ the <c>error_logger</c> is no longer the preferred
+ interface for logging in Erlang/OTP. A
+ new <seealso marker="kernel:logger_chapter">logging
+ API</seealso> was added in OTP-21, but
+ legacy <c>error_logger</c> handlers may still be used. New
+ logger handlers do not need to used this function, since
+ the formatting callback (<c>report_cb</c>) is included as
+ metadata in the log event.</p>
+ </note>
+ <p>This function can be used by a user-defined legacy
+ <c>error_logger</c> event handler to
format a crash report. The crash report is sent using
- <seealso marker="kernel:error_logger#error_report/2">
- <c>error_logger:error_report(crash_report,
- <anno>CrashReport</anno>)</c></seealso>.
- That is, the event to be handled is of the format
+ <seealso marker="kernel:logger">
+ <c>logger(3)</c></seealso>, and the event to be handled is of the format
<c>{error_report, GL, {Pid, crash_report,
<anno>CrashReport</anno>}}</c>,
where <c>GL</c> is the group leader pid of process
@@ -132,7 +140,19 @@
<name name="format" arity="3"/>
<fsummary>Format a crash report.</fsummary>
<desc>
- <p>This function can be used by a user-defined event handler to
+ <note>
+ <p>This function is deprecated in the sense that
+ the <c>error_logger</c> is no longer the preferred
+ interface for logging in Erlang/OTP. A
+ new <seealso marker="kernel:logger_chapter">logging
+ API</seealso> was added in OTP-21, but
+ legacy <c>error_logger</c> handlers may still be used. New
+ logger handlers do not need to used this function, since
+ the formatting callback (<c>report_cb</c>) is included as
+ metadata in the log event.</p>
+ </note>
+ <p>This function can be used by a user-defined legacy
+ <c>error_logger</c> event handler to
format a crash report. When <anno>Depth</anno> is specified as a
positive integer, it is used in the format string to
limit the output as follows: <c>io_lib:format("~P",
@@ -395,6 +415,8 @@ init(Parent) ->
<title>See Also</title>
<p><seealso marker="kernel:error_logger">
<c>error_logger(3)</c></seealso></p>
+ <p><seealso marker="kernel:logger">
+ <c>logger(3)</c></seealso></p>
</section>
</erlref>