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Difference between revisions of "A Guide To The Erlang Source"

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(New page: A guide to the erlang source. == Download == The source can be downloaded from: http://erlang.org/download.html == Tree. == Most of the interesting code is in: erts/emulator/beam == At...)
 
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The source can be downloaded from: http://erlang.org/download.html
 
The source can be downloaded from: http://erlang.org/download.html
  
== Tree. ==
+
== Tree ==
 
Most of the interesting code is in:  
 
Most of the interesting code is in:  
 
erts/emulator/beam
 
erts/emulator/beam
  
== Atoms. ==
+
== Atoms ==
 
The atoms used in erlang are listed in erts/emulator/beam/atom.names and are referenced in the code as am_foo. So the 'EXIT' atom is am_EXIT in the code.  
 
The atoms used in erlang are listed in erts/emulator/beam/atom.names and are referenced in the code as am_foo. So the 'EXIT' atom is am_EXIT in the code.  
 +
 +
== Types ==
 +
Most used types are: Sint, Uint, Eterm, ...
 +
Conversion is done in erts/emulator/beam/big.c. For example uint_to_big(Uint x, Eterm *y). term_to_Uint(Eterm term, Uint *up)
  
 
== Scheduler ==
 
== Scheduler ==
 
The process struct is defined in erts/emulator/beam/process.h. The important function is Process *schedule(Process *p, int calls). The next process is picked in "pick_next_process" of that method.
 
The process struct is defined in erts/emulator/beam/process.h. The important function is Process *schedule(Process *p, int calls). The next process is picked in "pick_next_process" of that method.

Revision as of 17:59, 19 August 2009

A guide to the erlang source.

Contents

Download

The source can be downloaded from: http://erlang.org/download.html

Tree

Most of the interesting code is in: erts/emulator/beam

Atoms

The atoms used in erlang are listed in erts/emulator/beam/atom.names and are referenced in the code as am_foo. So the 'EXIT' atom is am_EXIT in the code.

Types

Most used types are: Sint, Uint, Eterm, ... Conversion is done in erts/emulator/beam/big.c. For example uint_to_big(Uint x, Eterm *y). term_to_Uint(Eterm term, Uint *up)

Scheduler

The process struct is defined in erts/emulator/beam/process.h. The important function is Process *schedule(Process *p, int calls). The next process is picked in "pick_next_process" of that method.