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authorLukas Larsson <[email protected]>2014-06-26 18:55:47 +0200
committerLukas Larsson <[email protected]>2014-10-16 17:56:16 +0200
commit48083e54b502afb2768066394074d29423162dc8 (patch)
tree00edbcd4e486ac47a61a701d3f0cc6f2e3004156 /lib/webtool
parent5ab275d6554f4db877624a152dda90c0e3c4cddc (diff)
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kernel,ssh: Add synchronous user_drv protocol
Added a put_chars_sync to the protocol that can be used to talk to user_drv and made group use it. This is needed in order to guarantee that bytes has been pushed to the tty port when doing something like this: io:format("halting\n"),erlang:halt(0). Before this change the halting message could be lost in the message queue of the user_drv process, this is no longer possible. This commit also fixes ssh_cli as that plugs itself in as a user_drv process. OTP-12240
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