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| author | John Högberg <[email protected]> | 2018-02-26 12:49:57 +0100 |
|---|---|---|
| committer | John Högberg <[email protected]> | 2018-03-23 09:50:59 +0100 |
| commit | 06ed628dfd013010dd6e182508c1137b9f4ba09b (patch) | |
| tree | 91dd86094c4e7d9383fc542d9cff7e818b6983e2 /lib/kernel/doc | |
| parent | d77f0bdb55fd1bd36c4f19ab78cb02177d365b12 (diff) | |
| download | otp-06ed628dfd013010dd6e182508c1137b9f4ba09b.tar.gz otp-06ed628dfd013010dd6e182508c1137b9f4ba09b.tar.bz2 otp-06ed628dfd013010dd6e182508c1137b9f4ba09b.zip | |
Lift the type restrictions on seq_trace token labels
OTP-14899
Diffstat (limited to 'lib/kernel/doc')
| -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> |