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author | Sverker Eriksson <[email protected]> | 2019-05-27 20:16:38 +0200 |
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committer | Sverker Eriksson <[email protected]> | 2019-05-28 17:34:52 +0200 |
commit | 1b306c8a0755aca9de55fee2b02e38d17b696dfd (patch) | |
tree | 55d65b77a00dd86f3b95536b125d1c6f22c0f01b /erts/emulator/beam/erl_process.h | |
parent | a0ae44f324576104760a63fe6cf63e0ca31756fc (diff) | |
download | otp-1b306c8a0755aca9de55fee2b02e38d17b696dfd.tar.gz otp-1b306c8a0755aca9de55fee2b02e38d17b696dfd.tar.bz2 otp-1b306c8a0755aca9de55fee2b02e38d17b696dfd.zip |
erts: Fix bug in seq_trace:set_token(label,_)
If internal seq-trace tuple is on old heap
an incorrect ref from old to new heap was made.
Diffstat (limited to 'erts/emulator/beam/erl_process.h')
-rw-r--r-- | erts/emulator/beam/erl_process.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index a60e117bab..212774e421 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1226,9 +1226,10 @@ void erts_check_for_holes(Process* p); /* The sequential tracing token is a tuple of size 5: * - * {Flags, Label, Serial, Sender} + * {Flags, Label, Serial, Sender, LastCnt} + * + * WARNING: The top 5-tuple is *MUTABLE* and thus INTERNAL ONLY. */ - #define SEQ_TRACE_TOKEN_ARITY(p) (arityval(*(tuple_val(SEQ_TRACE_TOKEN(p))))) #define SEQ_TRACE_TOKEN_FLAGS(p) (*(tuple_val(SEQ_TRACE_TOKEN(p)) + 1)) #define SEQ_TRACE_TOKEN_LABEL(p) (*(tuple_val(SEQ_TRACE_TOKEN(p)) + 2)) |