killgracefully

Script to kill a process gracefully

Usage

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     

Signals used

Table of signals with default action of terminate (with or without core dump)

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

Exit status

• 0, if ok.
• 1, if some error occurred (mainly about the usage)