-v,--verbose Verbose
*/
//config:config START_STOP_DAEMON
-//config: bool "start-stop-daemon"
+//config: bool "start-stop-daemon (12 kb)"
//config: default y
//config: help
-//config: start-stop-daemon is used to control the creation and
-//config: termination of system-level processes, usually the ones
-//config: started during the startup of the system.
+//config: start-stop-daemon is used to control the creation and
+//config: termination of system-level processes, usually the ones
+//config: started during the startup of the system.
//config:
//config:config FEATURE_START_STOP_DAEMON_LONG_OPTIONS
//config: bool "Enable long options"
//config: default y
//config: depends on START_STOP_DAEMON
//config: help
-//config: -o|--oknodo ignored since we exit with 0 anyway
-//config: -v|--verbose
-//config: -N|--nicelevel N
+//config: -o|--oknodo ignored since we exit with 0 anyway
+//config: -v|--verbose
+//config: -N|--nicelevel N
//applet:IF_START_STOP_DAEMON(APPLET_ODDNAME(start-stop-daemon, start_stop_daemon, BB_DIR_SBIN, BB_SUID_DROP, start_stop_daemon))
+/* not NOEXEC: uses bb_common_bufsiz1 */
//kbuild:lib-$(CONFIG_START_STOP_DAEMON) += start_stop_daemon.o
//usage: "[OPTIONS] [-S|-K] ... [-- ARGS...]"
//usage:#define start_stop_daemon_full_usage "\n\n"
//usage: "Search for matching processes, and then\n"
-//usage: "-K: stop all matching processes.\n"
-//usage: "-S: start a process unless a matching process is found.\n"
-//usage: IF_FEATURE_START_STOP_DAEMON_LONG_OPTIONS(
-//usage: "\nProcess matching:"
-//usage: "\n -u,--user USERNAME|UID Match only this user's processes"
-//usage: "\n -n,--name NAME Match processes with NAME"
-//usage: "\n in comm field in /proc/PID/stat"
-//usage: "\n -x,--exec EXECUTABLE Match processes with this command"
-//usage: "\n in /proc/PID/{exe,cmdline}"
-//usage: "\n -p,--pidfile FILE Match a process with PID from the file"
-//usage: "\n All specified conditions must match"
-//usage: "\n-S only:"
-//usage: "\n -x,--exec EXECUTABLE Program to run"
-//usage: "\n -a,--startas NAME Zeroth argument"
-//usage: "\n -b,--background Background"
-//usage: IF_FEATURE_START_STOP_DAEMON_FANCY(
-//usage: "\n -N,--nicelevel N Change nice level"
-//usage: )
-//usage: "\n -c,--chuid USER[:[GRP]] Change to user/group"
-//usage: "\n -m,--make-pidfile Write PID to the pidfile specified by -p"
-//usage: "\n-K only:"
-//usage: "\n -s,--signal SIG Signal to send"
-//usage: "\n -t,--test Match only, exit with 0 if a process is found"
-//usage: "\nOther:"
-//usage: IF_FEATURE_START_STOP_DAEMON_FANCY(
-//usage: "\n -o,--oknodo Exit with status 0 if nothing is done"
-//usage: "\n -v,--verbose Verbose"
-//usage: )
-//usage: "\n -q,--quiet Quiet"
-//usage: )
-//usage: IF_NOT_FEATURE_START_STOP_DAEMON_LONG_OPTIONS(
+//usage: "-K: stop all matching processes\n"
+//usage: "-S: start a process unless a matching process is found\n"
//usage: "\nProcess matching:"
//usage: "\n -u USERNAME|UID Match only this user's processes"
//usage: "\n -n NAME Match processes with NAME"
//usage: "\n in comm field in /proc/PID/stat"
//usage: "\n -x EXECUTABLE Match processes with this command"
//usage: "\n command in /proc/PID/cmdline"
-//usage: "\n -p FILE Match a process with PID from the file"
+//usage: "\n -p FILE Match a process with PID from FILE"
//usage: "\n All specified conditions must match"
//usage: "\n-S only:"
//usage: "\n -x EXECUTABLE Program to run"
//usage: IF_FEATURE_START_STOP_DAEMON_FANCY(
//usage: "\n -N N Change nice level"
//usage: )
-//usage: "\n -c USER[:[GRP]] Change to user/group"
-//usage: "\n -m Write PID to the pidfile specified by -p"
+//usage: "\n -c USER[:[GRP]] Change user/group"
+//usage: "\n -m Write PID to pidfile specified by -p"
//usage: "\n-K only:"
//usage: "\n -s SIG Signal to send"
-//usage: "\n -t Match only, exit with 0 if a process is found"
+//usage: "\n -t Match only, exit with 0 if found"
//usage: "\nOther:"
//usage: IF_FEATURE_START_STOP_DAEMON_FANCY(
//usage: "\n -o Exit with status 0 if nothing is done"
//usage: "\n -v Verbose"
//usage: )
//usage: "\n -q Quiet"
-//usage: )
#include <sys/resource.h>
"quiet\0" No_argument "q"
"test\0" No_argument "t"
"make-pidfile\0" No_argument "m"
-#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
+# if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
"oknodo\0" No_argument "o"
"verbose\0" No_argument "v"
"nicelevel\0" Required_argument "N"
-#endif
+# endif
"startas\0" Required_argument "a"
"name\0" Required_argument "n"
"signal\0" Required_argument "s"
"chuid\0" Required_argument "c"
"exec\0" Required_argument "x"
"pidfile\0" Required_argument "p"
-#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
+# if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
"retry\0" Required_argument "R"
-#endif
+# endif
;
+# define GETOPT32 getopt32long
+# define LONGOPTS start_stop_daemon_longopts,
+#else
+# define GETOPT32 getopt32
+# define LONGOPTS
#endif
int start_stop_daemon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
INIT_G();
-#if ENABLE_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
- applet_long_options = start_stop_daemon_longopts;
-#endif
-
- /* -K or -S is required; they are mutually exclusive */
- /* -p is required if -m is given */
- /* -xpun (at least one) is required if -K is given */
- /* -xa (at least one) is required if -S is given */
- /* -q turns off -v */
- opt_complementary = "K:S:K--S:S--K:m?p:K?xpun:S?xa"
- IF_FEATURE_START_STOP_DAEMON_FANCY("q-v");
- opt = getopt32(argv, "KSbqtma:n:s:u:c:x:p:"
- IF_FEATURE_START_STOP_DAEMON_FANCY("ovN:R:"),
+ opt = GETOPT32(argv, "^"
+ "KSbqtma:n:s:u:c:x:p:"
+ IF_FEATURE_START_STOP_DAEMON_FANCY("ovN:R:")
+ /* -K or -S is required; they are mutually exclusive */
+ /* -p is required if -m is given */
+ /* -xpun (at least one) is required if -K is given */
+ /* -xa (at least one) is required if -S is given */
+ /* -q turns off -v */
+ "\0"
+ "K:S:K--S:S--K:m?p:K?xpun:S?xa"
+ IF_FEATURE_START_STOP_DAEMON_FANCY("q-v"),
+ LONGOPTS
&startas, &cmdname, &signame, &userspec, &chuid, &execname, &pidfile
IF_FEATURE_START_STOP_DAEMON_FANCY(,&opt_N)
/* We accept and ignore -R <param> / --retry <param> */
/* DAEMON_DEVNULL_STDIO is superfluous -
* it's always done by bb_daemonize() */
#else
+ /* Daemons usually call bb_daemonize_or_rexec(), but SSD can do
+ * without: SSD is not itself a daemon, it _execs_ a daemon.
+ * The usual NOMMU problem of "child can't run indefinitely,
+ * it must exec" does not bite us: we exec anyway.
+ */
pid_t pid = xvfork();
if (pid != 0) {
/* parent */
}
/* Child */
setsid(); /* detach from controlling tty */
- /* Redirect stdio to /dev/null, close extra FDs.
- * We do not actually daemonize because of DAEMON_ONLY_SANITIZE */
- bb_daemonize_or_rexec(DAEMON_DEVNULL_STDIO
- + DAEMON_CLOSE_EXTRA_FDS
- + DAEMON_ONLY_SANITIZE,
- NULL /* argv, unused */ );
+ /* Redirect stdio to /dev/null, close extra FDs */
+ bb_daemon_helper(DAEMON_DEVNULL_STDIO + DAEMON_CLOSE_EXTRA_FDS);
#endif
}
if (opt & OPT_MAKEPID) {
projects / oweals / busybox.git / blobdiff