Known signal constants.
| Name | Description |
|---|---|
| Abort | Abort |
| ArithmeticError | Arithmetic error |
| Breakpoint | Breakpoint trap |
| Bus | Bus error |
| Child | Child stopped or terminated |
| Continue | Continue if stopped |
| CpuLimit | CPU limit exceeded |
| FileLimit | File size limit exceeded |
| Hangup | Hangup of the controlling terminal |
| Illegal | Illegal instruction |
| Interrupted | Interrupt from keyboard |
| InvalidAddress | Invalid memory access |
| Io | I/O now possible |
| Kill | Kill |
| Pipe | Write to pipe with no reader |
| Power | Power failure |
| Profiling | Profiling timer expired |
| Quit | Quit from keyboard |
| Stop | Stop process |
| Syscall | Bad system call |
| TermBackIn | Input for terminal background process |
| TermBackOut | Output for terminal background process |
| TermStop | Stop from terminal |
| Termination | Termination |
| Timer | Timer signal |
| Urgent | Urgent socket data |
| User1 | User defined signal 1 |
| User2 | User defined signal 2 |
| VirtualAlarm | Virtual alarm clock |
| Window | Window size changed |