da8d1d84f
Denys Vlasenko
2023-11-07
Subject
start-stop-daemon: update comment, no code changes
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debianutils/start_stop_daemon.c+13 -3
| @@ -17,6 +17,10 @@ One (only) of these must be given: | |
| -S,--start Start | |
| -K,--stop Stop | |
| -T,--status Check for the existence of a process, return exitcode (since version 1.16.1) | |
| + | 0 - program is running |
| + | 1 - program is not running and the pid file exists. |
| + | 3 - program is not running. |
| + | 4 - can't determine program status. |
| Search for matching processes. | |
| If --stop is given, stop all matching processes (by sending a signal). | |
| @@ -45,9 +49,10 @@ Options which are valid for --start only: | |
| -a,--startas NAME argv[0] (defaults to EXECUTABLE) | |
| -b,--background Put process into background | |
| -O,--output FILE Redirect stdout and stderr to FILE when forcing the | |
| - | daemon into the background (since version 1.20.6). Only |
| - | relevant when using --background. |
| - | Probably O_CREAT|O_TRUNC? What if execv fails - where does error msg go? "Old" stderr? FILE? Nowhere? |
| + | daemon into the background (since version 1.20.6). |
| + | Requires --background and absolute pathname (tested with 1.21.22). |
| + | Uses O_CREAT|O_APPEND! |
| + | If execv fails, error message goes to FILE. |
| -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 | |
| @@ -66,6 +71,11 @@ Options which are valid for --start only: | |
| When not specified, start-stop-daemon will change directory to the | |
| root directory before starting the process. | |
| ^^^^ Seems to be false, no default "/" chdir is done. | |
| + | Tested -S with 1.21.22: |
| + | "start-stop-daemon -S -n pwd -a /bin/pwd" is the minimum needed to run pwd. |
| + | "start-stop-daemon -S -n pwd -x /bin/pwd" works too. |
| + | "start-stop-daemon -S -a /bin/pwd -x /bin/pwd" works too. |
| + | Earlier versions were less picky (which?) |
| Options which are valid for --stop only: | |
| -s,--signal SIG Signal to send (default:TERM) | |