Diffstat (limited to 'pwmanager/pwmanager/spinforsignal.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | pwmanager/pwmanager/spinforsignal.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/pwmanager/pwmanager/spinforsignal.cpp b/pwmanager/pwmanager/spinforsignal.cpp new file mode 100644 index 0000000..0401d43 --- a/dev/null +++ b/pwmanager/pwmanager/spinforsignal.cpp | |||
@@ -0,0 +1,91 @@ | |||
1 | /*************************************************************************** | ||
2 | * * | ||
3 | * copyright (C) 2003, 2004 by Michael Buesch * | ||
4 | * email: mbuesch@freenet.de * | ||
5 | * * | ||
6 | * This program is free software; you can redistribute it and/or modify * | ||
7 | * it under the terms of the GNU General Public License version 2 * | ||
8 | * as published by the Free Software Foundation. * | ||
9 | * * | ||
10 | ***************************************************************************/ | ||
11 | |||
12 | /*************************************************************************** | ||
13 | * copyright (C) 2004 by Ulf Schenk | ||
14 | * This file is originaly based on version 1.0.1 of pwmanager | ||
15 | * and was modified to run on embedded devices that run microkde | ||
16 | * | ||
17 | * $Id$ | ||
18 | **************************************************************************/ | ||
19 | |||
20 | #include "spinforsignal.h" | ||
21 | #include "pwmexception.h" | ||
22 | |||
23 | #ifndef PWM_EMBEDDED | ||
24 | #include <kapp.h> | ||
25 | #endif | ||
26 | |||
27 | #include <time.h> | ||
28 | #include <pthread.h> | ||
29 | |||
30 | static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; | ||
31 | |||
32 | |||
33 | SpinForSignal::SpinForSignal() | ||
34 | : QObject() | ||
35 | { | ||
36 | doSpin = false; | ||
37 | } | ||
38 | |||
39 | void SpinForSignal::spinSleep() | ||
40 | { | ||
41 | const struct timespec t = { 0, 100 }; | ||
42 | nanosleep(&t, 0); | ||
43 | } | ||
44 | |||
45 | void SpinForSignal::_spin() | ||
46 | { | ||
47 | doSpin = true; | ||
48 | printDebug("spinning for signal."); | ||
49 | do { | ||
50 | kapp->processEvents(); | ||
51 | spinSleep(); | ||
52 | } while (doSpin); | ||
53 | printDebug("spinning stopped."); | ||
54 | } | ||
55 | |||
56 | void SpinForSignal::spin(uint32_t *u32, string *str) | ||
57 | { | ||
58 | _spin(); | ||
59 | if (pthread_mutex_lock(&mutex)) { | ||
60 | printError("spin(uint32_t *u32, string *str): pthread_mutex_lock failed"); | ||
61 | return; | ||
62 | } | ||
63 | *u32 = u32_storage; | ||
64 | *str = str_storage; | ||
65 | pthread_mutex_unlock(&mutex); | ||
66 | } | ||
67 | |||
68 | void SpinForSignal::u32_str_slot(uint32_t u32, const string &str) | ||
69 | { | ||
70 | if (doSpin) { | ||
71 | printDebug("ul_str_slot(unsigned long ul, const string &str)"); | ||
72 | u32_storage = u32; | ||
73 | str_storage = str; | ||
74 | doSpin = false; | ||
75 | } | ||
76 | } | ||
77 | |||
78 | void SpinForSignal::cancelSpin() | ||
79 | { | ||
80 | if (pthread_mutex_lock(&mutex)) { | ||
81 | printError("cancelSpin(): pthread_mutex_lock failed"); | ||
82 | return; | ||
83 | } | ||
84 | printDebug("spinning cancelled."); | ||
85 | u32_storage = 0; | ||
86 | str_storage = ""; | ||
87 | doSpin = false; | ||
88 | pthread_mutex_unlock(&mutex); | ||
89 | } | ||
90 | |||
91 | #include "spinforsignal.moc" | ||