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| author | Patrik Nyblom <[email protected]> | 2012-02-13 20:13:37 +0100 |
|---|---|---|
| committer | Patrik Nyblom <[email protected]> | 2012-03-22 18:16:14 +0100 |
| commit | c15f94e7922040b63f3abf8680cd77d5548fecf3 (patch) | |
| tree | 498dd289cf85393a70d4f34ff20c59338fd24066 /erts/emulator/beam/bif.tab | |
| parent | 0fd4e39abeea3fc87b78eec8495109f9245b5ac8 (diff) | |
| download | otp-c15f94e7922040b63f3abf8680cd77d5548fecf3.tar.gz otp-c15f94e7922040b63f3abf8680cd77d5548fecf3.tar.bz2 otp-c15f94e7922040b63f3abf8680cd77d5548fecf3.zip | |
Add user tag spreading functionality to VM and use in file
User tags in a dynamic trace enabled VM are spread throughout the system
in the same way as seq_trace tokens. This is used by the file module
and various other modules to get hold of the tag from the user process
without changing the protocol.
Diffstat (limited to 'erts/emulator/beam/bif.tab')
| -rw-r--r-- | erts/emulator/beam/bif.tab | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 007c884a6a..7940544156 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -814,6 +814,23 @@ bif erlang:check_old_code/1 # bif erlang:universaltime_to_posixtime/1 bif erlang:posixtime_to_universaltime/1 + +# +# New in R15B01 +# + +# The dtrace BIF's are always present, but give dummy results if dynamic trace is not enabled in the build +bif erlang:put_utag/1 +bif erlang:get_utag/0 +bif erlang:get_utag_data/0 +bif erlang:spread_utag/1 +bif erlang:restore_utag/1 + +# These are dummies even with enabled dynamic trace unless vm probes are enabled. +# They are also internal, for dtrace tags sent to the VM's own drivers (efile) +bif erlang:prepend_vm_utag_data/1 +bif erlang:append_vm_utag_data/1 + # # Obsolete # |