September 2013
Intermediate to advanced
548 pages
12h 25m
English
Content preview from Programming Erlang, 2nd Edition
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SEE Implementation Details
The shell script (see) that starts everything is as
follows:
| | #!/bin/sh |
| | erl -boot /home/joe/erl/example_programs-2.0/examples-2.0/see\ |
| | -environment `printenv` -load $1 |
The SEE Main Program
When the system is started, see:main() is evaluated,
and when this terminates, the system will
halt. see:main() is as follows:
| see/see.erl | |
| | main() -> |
| | make_server(io, |
| | fun start_io/0, fun handle_io/2), |
| | make_server(code, |
| | const([lists,error_hander,see|preloaded()]), |
| | fun handle_code/2), |
| | make_server(error_logger, |
| | const(0), fun handle_error_logger/2), |
| | make_server(halt_demon, |
| | const([]), fun handle_halt_demon/2), |
| | make_server(env, |
| | fun start_env/0, fun handle_env/2), |
| | Mod = get_module_name(), ... |
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