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-rw-r--r--lib/percept/doc/src/ipc_tree.erl30
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/percept/doc/src/ipc_tree.erl b/lib/percept/doc/src/ipc_tree.erl
deleted file mode 100644
index 89360379c6..0000000000
--- a/lib/percept/doc/src/ipc_tree.erl
+++ /dev/null
@@ -1,30 +0,0 @@
--module(ipc_tree).
--export([go/1, init/2]).
-
-go(N) ->
- start(N, self()),
- receive {_,stop} -> ok end.
-
-start(Depth, ParentPid) ->
- spawn(?MODULE, init, [Depth, ParentPid]).
-
-init(0, ParentPid) ->
- workload(5000),
- ParentPid ! {self(),stop},
- ok;
-init(Depth, ParentPid) ->
- Pid1 = spawn(?MODULE, init, [Depth - 1, self()]),
- Pid2 = spawn(?MODULE, init, [Depth - 1, self()]),
- main([Pid1,Pid2], ParentPid).
-
-main(Pids, ParentPid) ->
- workload(5000),
- gather(Pids),
- ParentPid ! {self(),stop},
- ok.
-
-gather([]) -> ok;
-gather([Pid|Pids]) -> receive {Pid,stop} -> gather(Pids) end.
-
-workload(0) -> ok;
-workload(N) -> math:sin(2), workload(N - 1).