diff options
| author | John Högberg <[email protected]> | 2018-03-27 06:58:10 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-03-27 06:58:10 +0200 |
| commit | e176b62e96e4452443b5be347fb7b97a561c5b3b (patch) | |
| tree | 38c923cf88cec72eb3e43e380bbaefde4160abdb /lib/kernel/doc/src/seq_trace.xml | |
| parent | bebf113ecd2d6a27808fc952e1f14db78515efb3 (diff) | |
| parent | 06ed628dfd013010dd6e182508c1137b9f4ba09b (diff) | |
| download | otp-e176b62e96e4452443b5be347fb7b97a561c5b3b.tar.gz otp-e176b62e96e4452443b5be347fb7b97a561c5b3b.tar.bz2 otp-e176b62e96e4452443b5be347fb7b97a561c5b3b.zip | |
Merge pull request #1760 from jhogberg/john/erts/any-term-as-seq_trace-label/OTP-14899
Lift the type restrictions on seq_trace token labels
Diffstat (limited to 'lib/kernel/doc/src/seq_trace.xml')
| -rw-r--r-- | lib/kernel/doc/src/seq_trace.xml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/kernel/doc/src/seq_trace.xml b/lib/kernel/doc/src/seq_trace.xml index 197851021f..69eb12a8a0 100644 --- a/lib/kernel/doc/src/seq_trace.xml +++ b/lib/kernel/doc/src/seq_trace.xml @@ -80,13 +80,18 @@ seq_trace:set_token(OldToken), % activate the trace token again <p>Sets the individual <c><anno>Component</anno></c> of the trace token to <c><anno>Val</anno></c>. Returns the previous value of the component.</p> <taglist> - <tag><c>set_token(label, <anno>Integer</anno>)</c></tag> + <tag><c>set_token(label, <anno>Label</anno>)</c></tag> <item> - <p>The <c>label</c> component is an integer which + <p>The <c>label</c> component is a term which identifies all events belonging to the same sequential trace. If several sequential traces can be active simultaneously, <c>label</c> is used to identify the separate traces. Default is 0.</p> + <warning> + <p>Labels were restricted to small signed integers (28 bits) + prior to OTP 21. The trace token will be silenty dropped if it + crosses over to a node that does not support the label.</p> + </warning> </item> <tag><c>set_token(serial, SerialValue)</c></tag> <item> |