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Diffstat (limited to 'clib/cThread.mli')
-rw-r--r-- | clib/cThread.mli | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/clib/cThread.mli b/clib/cThread.mli new file mode 100644 index 00000000..acc5a60c --- /dev/null +++ b/clib/cThread.mli @@ -0,0 +1,28 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +(* As of OCaml 4.01.0 input_value and input do not quite work well + * with threads. The symptom is the following. Two threads, each + * of them blocked on a read (on different channels). One is not + * woken up even if data is available. When the other one gets data + * then the stuck one is eventually unblocked too. Unix.select with + * an unbounded wait has the same problem. *) + +(* Use only the following functions on the channel *) +type thread_ic +val prepare_in_channel_for_thread_friendly_io : in_channel -> thread_ic + +val thread_friendly_input_value : thread_ic -> 'a +val thread_friendly_read : + thread_ic -> Bytes.t -> off:int -> len:int -> int +val thread_friendly_really_read : + thread_ic -> Bytes.t -> off:int -> len:int -> unit +val thread_friendly_really_read_line : thread_ic -> string + |