Script to kill a process gracefully
killgracefully - Send signals to kill gracefully a process
Usage: ./killgracefully.sh [-v...] ( [-h|-V] | [-t S] [-N] -p PID )
Options:
-h, --help Show this help.
-V, --version Show version.
-v, --verbose Turn verbose mode on (cumulative).
-t S, --time S Set the interval between signals in seconds. (default 5s)
-p PID, --pid PID Set the PID of the process to kill gracefully
-N, -s N, --sigs N Set the numbers of signals to try. The order is:
-1 SIGKILL
-2 SIGTERM, SIGKILL
-3 SIGTERM, SIGINT, SIGKILL
-4 SIGTERM, SIGINT, SIGQUIT, SIGKILL (default)
-5 SIGTERM, SIGINT, SIGQUIT, SIGABRT, SIGKILL
| Signal | Value | Action | Comment |
|---|---|---|---|
| SIGTERM | 15 | Term | Termination signal |
| SIGINT | 2 | Term | Famous CONTROL+C interrupt from keyboard |
| SIGQUIT | 3 | Core | CONTRL+\ or quit from keyboard |
| SIGABRT | 6 | Core | Abort signal |
| SIGKILL | 9 | Term | Kill signal |
- 0, if ok.
- 1, if some error occurred (mainly about the usage)
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