diff options
| -rw-r--r-- | debianutils/start_stop_daemon.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c index 6919fe2..467deed 100644 --- a/debianutils/start_stop_daemon.c +++ b/debianutils/start_stop_daemon.c @@ -8,8 +8,45 @@ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -/* NB: we have a problem here with /proc/NN/exe usage, similar to - * one fixed in killall/pidof */ +/* +This is how it is supposed to work: + +start-stop-daemon [OPTIONS] [--start|--stop] [[--] arguments...] + +One (only) of these must be given: + -S,--start Start + -K,--stop Stop + +Search for matching processes. +If --stop is given, stop all matching processes (by sending a signal). +If --start if given, start a new process unless a matching process was found. + +Options controlling process matching: + -u,--user USERNAME|UID Only consider this user's processes + -n,--name PROCESS_NAME Look for processes with matching argv[0] + or /proc/$PID/exe or /proc/$PID/stat (comm field). + Only basename is compared: + "ntpd" == "./ntpd" == "/path/to/ntpd". +[TODO: can PROCESS_NAME be a full pathname? Should we require full match then +with /proc/$PID/exe or argv[0] (comm can't be matched, it never contains path)] + -x,--exec EXECUTABLE Look for processes with matching /proc/$PID/exe. + Match is performed using device+inode. + -p,--pidfile PID_FILE Look for processes with PID from this file + +Options which are valid for --start only: + -x,--exec EXECUTABLE Program to run (1st arg of execvp). Mandatory. + -a,--startas NAME argv[0] (defaults to EXECUTABLE) + -b,--background Put process into background + -N,--nicelevel N Add N to process' nice level + -c,--chuid USER[:[GRP]] Change to specified user [and group] + -m,--make-pidfile Write PID to the pidfile + (both -m and -p must be given!) +Misc options: + -s,--signal SIG Signal to send (default:TERM) + -o,--oknodo Exit with status 0 if nothing is done + -q,--quiet Quiet + -v,--verbose Verbose +*/ #include <sys/resource.h> |