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author | Sverker Eriksson <[email protected]> | 2019-05-14 17:16:32 +0200 |
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committer | Sverker Eriksson <[email protected]> | 2019-05-14 20:32:17 +0200 |
commit | e50fe483d288d0a21a7dea0fb2835fa8eea3f41c (patch) | |
tree | 11463ab4240a626bafd11df1cc93509d35a40081 | |
parent | 2820c4f20628b3008c8cfe72d1fb810cb12a2718 (diff) | |
download | otp-e50fe483d288d0a21a7dea0fb2835fa8eea3f41c.tar.gz otp-e50fe483d288d0a21a7dea0fb2835fa8eea3f41c.tar.bz2 otp-e50fe483d288d0a21a7dea0fb2835fa8eea3f41c.zip |
erts: Document new EPMD response ALIVE2_X_RESP
with 32-bit creation.
This reverts revert-commit bf6110a9de0fbfc34754ee1aac325e9b1df2b095.
-rw-r--r-- | erts/doc/src/erl_dist_protocol.xml | 28 | ||||
-rw-r--r-- | erts/doc/src/erl_ext_fig.gif | bin | 3834 -> 3840 bytes |
2 files changed, 23 insertions, 5 deletions
diff --git a/erts/doc/src/erl_dist_protocol.xml b/erts/doc/src/erl_dist_protocol.xml index f924c8a70b..5dfe34cfae 100644 --- a/erts/doc/src/erl_dist_protocol.xml +++ b/erts/doc/src/erl_dist_protocol.xml @@ -109,7 +109,8 @@ <title>Register a Node in EPMD</title> <p>When a distributed node is started it registers itself in the EPMD. The message <c>ALIVE2_REQ</c> described below is sent from the node to - the EPMD. The response from the EPMD is <c>ALIVE2_RESP</c>.</p> + the EPMD. The response from the EPMD is <c>ALIVE2_X_RESP</c> (or + <c>ALIVE2_RESP</c>).</p> <table align="left"> <row> @@ -155,12 +156,12 @@ <tag><c>HighestVersion</c></tag> <item> <p>The highest distribution version that this node can handle. - The value in Erlang/OTP R6B and later is 5.</p> + The value in OTP 23 and later is 6.</p> </item> <tag><c>LowestVersion</c></tag> <item> <p>The lowest distribution version that this node can handle. - The value in Erlang/OTP R6B and later is 5.</p> + The value in OTP 23 and later is 5.</p> </item> <tag><c>Nlen</c></tag> <item> @@ -184,7 +185,24 @@ node is a distributed node. When the connection is closed, the node is automatically unregistered from the EPMD.</p> - <p>The response message <c>ALIVE2_RESP</c> is as follows:</p> + <p>The response message is either <c>ALIVE2_X_RESP</c> or + <c>ALIVE2_RESP</c> depending on distribution version. If both the node + and EPMD support distribution version 6 then response is + <c>ALIVE2_X_RESP</c> otherwise it is the older <c>ALIVE2_RESP</c>:</p> + + <table align="left"> + <row> + <cell align="center">1</cell> + <cell align="center">1</cell> + <cell align="center">4</cell> + </row> + <row> + <cell align="center"><c>118</c></cell> + <cell align="center"><c>Result</c></cell> + <cell align="center"><c>Creation</c></cell> + </row> + <tcaption>ALIVE2_X_RESP (118) with 32 bit creation</tcaption> + </table> <table align="left"> <row> @@ -197,7 +215,7 @@ <cell align="center"><c>Result</c></cell> <cell align="center"><c>Creation</c></cell> </row> - <tcaption>ALIVE2_RESP (121)</tcaption> + <tcaption>ALIVE2_RESP (121) with 16-bit creation</tcaption> </table> <p>Result = 0 -> ok, result > 0 -> error.</p> diff --git a/erts/doc/src/erl_ext_fig.gif b/erts/doc/src/erl_ext_fig.gif Binary files differindex 14d6bbc871..40dd17bd5e 100644 --- a/erts/doc/src/erl_ext_fig.gif +++ b/erts/doc/src/erl_ext_fig.gif |