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Diffstat (limited to 'src/FbTk/SignalHandler.cc')
| -rw-r--r-- | src/FbTk/SignalHandler.cc | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/FbTk/SignalHandler.cc b/src/FbTk/SignalHandler.cc deleted file mode 100644 index 5f06210..0000000 --- a/src/FbTk/SignalHandler.cc +++ /dev/null | |||
| @@ -1,79 +0,0 @@ | |||
| 1 | // SignalHandler.cc for FbTk - Fluxbox ToolKit | ||
| 2 | // Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot 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 | #include "SignalHandler.hh" | ||
| 23 | |||
| 24 | namespace FbTk { | ||
| 25 | |||
| 26 | SignalEventHandler *SignalHandler::s_signal_handler[NSIG]; | ||
| 27 | |||
| 28 | SignalHandler::SignalHandler() { | ||
| 29 | // clear signal list | ||
| 30 | for (int i=0; i < NSIG; ++i) | ||
| 31 | s_signal_handler[i] = 0; | ||
| 32 | } | ||
| 33 | |||
| 34 | SignalHandler &SignalHandler::instance() { | ||
| 35 | static SignalHandler singleton; | ||
| 36 | return singleton; | ||
| 37 | } | ||
| 38 | |||
| 39 | bool SignalHandler::registerHandler(int signum, SignalEventHandler *eh, | ||
| 40 | SignalEventHandler **oldhandler_ret) { | ||
| 41 | // must be less than NSIG | ||
| 42 | if (signum >= NSIG) | ||
| 43 | return false; | ||
| 44 | |||
| 45 | // get old signal handler for this signum | ||
| 46 | if (oldhandler_ret != 0) | ||
| 47 | *oldhandler_ret = s_signal_handler[signum]; | ||
| 48 | |||
| 49 | #ifdef HAVE_SIGACTION | ||
| 50 | struct sigaction sa; | ||
| 51 | // set callback | ||
| 52 | sa.sa_handler = SignalHandler::handleSignal; | ||
| 53 | sigemptyset (&sa.sa_mask); | ||
| 54 | sa.sa_flags = 0; | ||
| 55 | |||
| 56 | if (sigaction(signum, &sa, 0) == -1) | ||
| 57 | return false; | ||
| 58 | #else | ||
| 59 | // Fallback code for Windows and other platforms lacking sigaction. | ||
| 60 | if (signal(signum, &SignalHandler::handleSignal) == SIG_ERR) { | ||
| 61 | return false; | ||
| 62 | } | ||
| 63 | #endif | ||
| 64 | s_signal_handler[signum] = eh; | ||
| 65 | |||
| 66 | return true; | ||
| 67 | } | ||
| 68 | |||
| 69 | void SignalHandler::handleSignal(int signum) { | ||
| 70 | if (signum >= NSIG) | ||
| 71 | return; | ||
| 72 | // make sure we got a handler for this signal | ||
| 73 | if (s_signal_handler[signum] != 0) { | ||
| 74 | s_signal_handler[signum]->handleSignal(signum); | ||
| 75 | } | ||
| 76 | } | ||
| 77 | |||
| 78 | } | ||
| 79 | |||