diff options
| author | Saturneric <[email protected]> | 2022-01-09 20:28:37 +0000 |
|---|---|---|
| committer | Saturneric <[email protected]> | 2022-01-09 20:28:52 +0000 |
| commit | d52c544f0d97020a3ada0dddbf599c97906c0b90 (patch) | |
| tree | 1168cc0a6140b4a7b8a4aef7ca18284a8f92eb6c /src/signal.cpp | |
| parent | <fixed>(ui): fix SIGSEGV when closing. (diff) | |
| download | GpgFrontend-d52c544f0d97020a3ada0dddbf599c97906c0b90.tar.gz GpgFrontend-d52c544f0d97020a3ada0dddbf599c97906c0b90.zip | |
<feat ,fixed>(src): Optimize signal handlers and fix sequence errors during startup.
1. When the same signal is continuously received (three times in a row), the program exits to avoid falling into a loop.
2. The QCoreApplication should be exited after displaying the information.
Diffstat (limited to 'src/signal.cpp')
| -rw-r--r-- | src/signal.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/signal.cpp b/src/signal.cpp index efcd8146..c5b6727e 100644 --- a/src/signal.cpp +++ b/src/signal.cpp @@ -29,7 +29,20 @@ extern jmp_buf recover_env; void handle_signal(int sig) { - LOG(INFO) << "signal caught"; + static int _repeat_handle_num = 1, last_sig = sig; + LOG(INFO) << "signal caught" << sig; + + if (last_sig == sig) + _repeat_handle_num++; + else + _repeat_handle_num = 1, last_sig = sig; + + if (_repeat_handle_num > 3) { + LOG(INFO) << "The same signal appears three times, execute the termination " + "operation. "; + exit(-1); + } + #ifndef WINDOWS siglongjmp(recover_env, 1); #else |