46 lines
1.2 KiB
OCaml
46 lines
1.2 KiB
OCaml
(* Torture test - lots of GC *)
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let gc_thread () =
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while true do
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(* print_string "gc"; print_newline(); *)
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Gc.minor()
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done
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let stdin_thread () =
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while true do
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print_string "> "; flush stdout;
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let s = read_line() in
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print_string ">>> "; print_string s; print_newline()
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done
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let writer_thread (oc, size) =
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while true do
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(* print_string "writer "; print_int size; print_newline(); *)
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let buff = String.make size 'a' in
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ThreadUnix.write oc buff 0 size
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done
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let reader_thread (ic, size) =
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while true do
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(* print_string "reader "; print_int size; print_newline(); *)
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let buff = String.create size in
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let n = ThreadUnix.read ic buff 0 size in
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(* print_string "reader "; print_int n; print_newline(); *)
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for i = 0 to n-1 do
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if buff.[i] <> 'a' then prerr_endline "error in reader_thread"
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done
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done
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let main() =
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Thread.create gc_thread ();
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let (out1, in1) = ThreadUnix.pipe() in
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Thread.create writer_thread (in1, 4096);
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Thread.create reader_thread (out1, 4096);
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let (out2, in2) = ThreadUnix.pipe() in
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Thread.create writer_thread (in2, 16);
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Thread.create reader_thread (out2, 16);
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stdin_thread()
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let _ = main()
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