Linux signals
From Leo's Notes
This page was last edited on 24 September 2022, at 08:48.
| Signal Name | Signal Number | Description |
|---|---|---|
| SIGHUP | 1 | Hangs up signals when controlling the terminal or at the end of the controlling processes. |
| SIGINT | 2 | Signals when the Linux user presses ‘CONTROL-C’ |
| SIGQUIT | 3 | Signals when the Linux user presses ‘CONTROL-D’ |
| SIGILL | 4 | Illegal instruction trap |
| SIGTRAP | 5 | |
| SIGABRT | 6 | |
| SIGBUS | 7 | |
| SIGFPE | 8 | Signals when any unexpected mathematical operation is performed. |
| SIGKILL | 9 | When any of the process issues this signal, it will quit immediately. |
| SIGUSR1 | 10 | |
| SIGSEGV | 11 | Segmentation fault |
| SIGUSR2 | 12 | |
| SIGPIPE | 13 | |
| SIGALRM | 14 | Signals for alarm clock |
| SIGTERM | 15 | Signals to terminate the process or the software. |
| SIGSTKFLT | 16 | |
| SIGSTOP | 17 | Signals to stop the process in Linux. |
| SIGCONT | 18 | |
| SIGSTOP | 19 | |
| SIGTSTP | 20 | |
| SIGTTIN | 21 | |
| SIGTTOU | 22 | |
| SIGURG | 23 | |
| SIGXCPU | 24 | |
| SIGXFSZ | 25 | |
| SIGVTALRM | 26 | |
| SIGPROF | 27 | |
| SIGWINCH | 28 | |
| SIGIO | 29 | |
| SIGPWR | 30 | |
| SIGSYS | 31 |