GEOS: Interrupt.h Source File

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Interrupt.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2012 Sandro Santilli <strk@keybit.net>
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************/
14
15 #ifndef GEOS_UTIL_INTERRUPT_H
16 #define GEOS_UTIL_INTERRUPT_H
17
18 #include <geos/export.h>
19
20 namespace geos {
21 namespace util { // geos::util
22
23 #define GEOS_CHECK_FOR_INTERRUPTS() geos::util::Interrupt::process()
24
26 class GEOS_DLL Interrupt {
27
28 public:
29
30 typedef void (Callback)(void);
31
38 static void request();
39
41 static void cancel();
42
44 static bool check();
45
56 static Callback* registerCallback(Callback *cb);
57
62 static void process();
63
64 /* Perform the actual interruption (simply throw an exception) */
65 static void interrupt();
66
67 };
68
69
70 } // namespace geos::util
71 } // namespace geos
72
73
74 #endif // GEOS_UTIL_INTERRUPT_H
geos::util::Interrupt
Definition: Interrupt.h:26
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25