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* retcode -> retval for exit message.nicm2013-10-10
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* Support -c for new-session, based on code from J Raynor.nicm2013-10-10
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* Pass flags into cmdq_guard as an argument since sometimes cmdq->cmd cannicm2013-10-10
| | | | | be NULL. Avoids crash when a command in a command client can't be parsed.
* Mark control commands specially so the client can identify them, basedNicholas Marriott2013-06-23
| | | | on a diff from George Nachman a while back.
* Fix bug where end guard in control mode was not printed after sessionNicholas Marriott2013-04-10
| | | | destroyed, from George Nachman.
* Fix compiler warnings, missing #include. From Thomas Adam.Nicholas Marriott2013-03-26
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* Only send end guard if begin was sent, from George Nachman.Nicholas Marriott2013-03-25
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* Add some additional debug logging.Nicholas Marriott2013-03-25
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* Add a command queue to standardize and simplify commands that call otherNicholas Marriott2013-03-24
commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.