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7f918cf1 CE |
1 | (* Copyright (C) 2009 Matthew Fluet. |
2 | * Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh | |
3 | * Jagannathan, and Stephen Weeks. | |
4 | * Copyright (C) 1997-2000 NEC Research Institute. | |
5 | * | |
6 | * MLton is released under a BSD-style license. | |
7 | * See the file MLton-LICENSE for details. | |
8 | *) | |
9 | ||
10 | signature MLTON_SIGNAL = | |
11 | sig | |
12 | type t | |
13 | type signal = t | |
14 | ||
15 | structure Handler: | |
16 | sig | |
17 | type t | |
18 | ||
19 | val default: t | |
20 | val handler: (MLtonThread.Runnable.t -> MLtonThread.Runnable.t) -> t | |
21 | val ignore: t | |
22 | val isDefault: t -> bool | |
23 | val isIgnore: t -> bool | |
24 | val simple: (unit -> unit) -> t | |
25 | end | |
26 | ||
27 | structure Mask: | |
28 | sig | |
29 | type t | |
30 | ||
31 | val all: t | |
32 | val allBut: signal list -> t | |
33 | val block: t -> unit | |
34 | val getBlocked: unit -> t | |
35 | val isMember: t * signal -> bool | |
36 | val none: t | |
37 | val setBlocked: t -> unit | |
38 | val some: signal list -> t | |
39 | val unblock: t -> unit | |
40 | end | |
41 | ||
42 | val getHandler: t -> Handler.t | |
43 | val handled: unit -> Mask.t | |
44 | val prof: t | |
45 | val restart: bool ref | |
46 | val setHandler: t * Handler.t -> unit | |
47 | (* suspend m temporarily sets the signal mask to m and suspends until an | |
48 | * unmasked signal is received and handled, and then resets the mask. | |
49 | *) | |
50 | val suspend: Mask.t -> unit | |
51 | val vtalrm: t | |
52 | end |