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7f918cf1 CE |
1 | (* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh |
2 | * Jagannathan, and Stephen Weeks. | |
3 | * Copyright (C) 1997-2000 NEC Research Institute. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | signature MLTON_SIGNAL = | |
10 | sig | |
11 | type t | |
12 | type signal = t | |
13 | ||
14 | structure Handler: | |
15 | sig | |
16 | type t | |
17 | ||
18 | val default: t | |
19 | val handler: (MLtonThread.Runnable.t -> MLtonThread.Runnable.t) -> t | |
20 | val ignore: t | |
21 | val isDefault: t -> bool | |
22 | val isIgnore: t -> bool | |
23 | val simple: (unit -> unit) -> t | |
24 | end | |
25 | ||
26 | structure Mask: | |
27 | sig | |
28 | type t | |
29 | ||
30 | val all: t | |
31 | val allBut: signal list -> t | |
32 | val block: t -> unit | |
33 | val getBlocked: unit -> t | |
34 | val isMember: t * signal -> bool | |
35 | val none: t | |
36 | val setBlocked: t -> unit | |
37 | val some: signal list -> t | |
38 | val unblock: t -> unit | |
39 | end | |
40 | ||
41 | val getHandler: t -> Handler.t | |
42 | val handled: unit -> Mask.t | |
43 | val prof: t | |
44 | val restart: bool ref | |
45 | val setHandler: t * Handler.t -> unit | |
46 | (* suspend m temporarily sets the signal mask to m and suspends until an | |
47 | * unmasked signal is received and handled, and then resets the mask. | |
48 | *) | |
49 | val suspend: Mask.t -> unit | |
50 | val vtalrm: t | |
51 | end | |
52 | ||
53 | signature MLTON_SIGNAL_EXTRA = | |
54 | sig | |
55 | include MLTON_SIGNAL | |
56 | ||
57 | val handleGC: (unit -> unit) -> unit | |
58 | end |