|--preserve-status||Always exits with the same status as command even if it times out.|
|--foreground||Do not propagate timeout to the command children.|
|-s sig,--signal sig||Specify the signal to send on timeout. By default, SIGTERM. is sent.|
|-k time,--kill-after time|
|Send a second kill signal if command is still running after time after the first signal was sent.|
duration and time can be integer or decimal numbers. Values without unit symbols are interpreted as seconds.
Supported unit symbols are:
s seconds m minutes h hours d days
If the timeout was not reached, the exit status of command is returned.
If the timeout was reached and --preserve-status is set, the exit status of command is returned. If --preserve-status is not set, an exit status of 124 is returned.
If command exits after receiving a signal, the exit status returned is the signal number plus 128.
If command is an invalid command, the exit status returned is 126.
If command is a non existing command, the exit status returned is 127.
If an invalid parameter is passed to -s or -k , the exit status return is 125.