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Diffstat (limited to 'src/SignalHandler.cc')
-rw-r--r-- | src/SignalHandler.cc | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/SignalHandler.cc b/src/SignalHandler.cc deleted file mode 100644 index c160243..0000000 --- a/src/SignalHandler.cc +++ /dev/null | |||
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1 | // SignalHandler.cc for Fluxbox Window Manager | ||
2 | // Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org) | ||
3 | // | ||
4 | // Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | // copy of this software and associated documentation files (the "Software"), | ||
6 | // to deal in the Software without restriction, including without limitation | ||
7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | // and/or sell copies of the Software, and to permit persons to whom the | ||
9 | // Software is furnished to do so, subject to the following conditions: | ||
10 | // | ||
11 | // The above copyright notice and this permission notice shall be included in | ||
12 | // all copies or substantial portions of the Software. | ||
13 | // | ||
14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | // DEALINGS IN THE SOFTWARE. | ||
21 | |||
22 | // $Id: SignalHandler.cc,v 1.3 2002/10/12 13:28:03 fluxgen Exp $ | ||
23 | |||
24 | #include "SignalHandler.hh" | ||
25 | |||
26 | namespace FbTk { | ||
27 | |||
28 | EventHandler<SignalEvent> *SignalHandler::s_signal_handler[NSIG]; | ||
29 | |||
30 | SignalHandler::SignalHandler() { | ||
31 | // clear signal list | ||
32 | for (int i=0; i < NSIG; ++i) | ||
33 | s_signal_handler[i] = 0; | ||
34 | } | ||
35 | |||
36 | SignalHandler *SignalHandler::instance() { | ||
37 | static SignalHandler singleton; | ||
38 | return &singleton; | ||
39 | } | ||
40 | |||
41 | bool SignalHandler::registerHandler(int signum, EventHandler<SignalEvent> *eh, | ||
42 | EventHandler<SignalEvent> **oldhandler_ret) { | ||
43 | // must be less than NSIG | ||
44 | if (signum >= NSIG) | ||
45 | return false; | ||
46 | |||
47 | // get old signal handler for this signum | ||
48 | if (oldhandler_ret != 0) | ||
49 | *oldhandler_ret = s_signal_handler[signum]; | ||
50 | |||
51 | struct sigaction sa; | ||
52 | // set callback | ||
53 | sa.sa_handler = SignalHandler::handleSignal; | ||
54 | sigemptyset (&sa.sa_mask); | ||
55 | sa.sa_flags = 0; | ||
56 | |||
57 | if (sigaction(signum, &sa, 0) == -1) | ||
58 | return false; | ||
59 | |||
60 | s_signal_handler[signum] = eh; | ||
61 | |||
62 | return true; | ||
63 | } | ||
64 | |||
65 | void SignalHandler::removeHandler(int signum) { | ||
66 | if (signum < NSIG) | ||
67 | s_signal_handler[signum] = 0; // clear handler pointer | ||
68 | } | ||
69 | |||
70 | void SignalHandler::handleSignal(int signum) { | ||
71 | if (signum >= NSIG) | ||
72 | return; | ||
73 | // make sure we got a handler for this signal | ||
74 | if (s_signal_handler[signum] != 0) { | ||
75 | SignalEvent sigev; | ||
76 | sigev.signum = signum; | ||
77 | s_signal_handler[signum]->handleEvent(&sigev); | ||
78 | } | ||
79 | } | ||
80 | |||
81 | }; | ||