- add fancy mode to start-stop-daemon to support --oknodo and --verbose

This commit is contained in:
Bernhard Reutner-Fischer 2006-06-11 17:24:01 +00:00
parent 081b1ac6b4
commit a926f8e50a
3 changed files with 72 additions and 47 deletions

View File

@ -61,6 +61,15 @@ config CONFIG_START_STOP_DAEMON
termination of system-level processes, usually the ones
started during the startup of the system.
config CONFIG_FEATURE_START_STOP_DAEMON_FANCY
bool "Support additional arguments"
default y
depends on CONFIG_START_STOP_DAEMON
help
Support additional arguments.
-o|--oknodo ignored since we exit with 0 anyway
-v|--verbose
config CONFIG_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
bool "Enable long options"
default n

View File

@ -22,7 +22,7 @@
static int signal_nr = 15;
static int user_id = -1;
static int quiet = 0;
static int quiet;
static char *userspec = NULL;
static char *cmdname = NULL;
static char *execname = NULL;
@ -35,8 +35,7 @@ struct pid_list {
static struct pid_list *found = NULL;
static inline void
push(pid_t pid)
static inline void push(pid_t pid)
{
struct pid_list *p;
@ -46,8 +45,7 @@ push(pid_t pid)
found = p;
}
static int
pid_is_exec(pid_t pid, const char *name)
static int pid_is_exec(pid_t pid, const char *name)
{
char buf[32];
struct stat sb, exec_stat;
@ -61,8 +59,7 @@ pid_is_exec(pid_t pid, const char *name)
return (sb.st_dev == exec_stat.st_dev && sb.st_ino == exec_stat.st_ino);
}
static int
pid_is_user(int pid, int uid)
static int pid_is_user(int pid, int uid)
{
struct stat sb;
char buf[32];
@ -73,8 +70,7 @@ pid_is_user(int pid, int uid)
return (sb.st_uid == uid);
}
static int
pid_is_cmd(pid_t pid, const char *name)
static int pid_is_cmd(pid_t pid, const char *name)
{
char buf[32];
FILE *f;
@ -98,8 +94,7 @@ pid_is_cmd(pid_t pid, const char *name)
}
static void
check(int pid)
static void check(int pid)
{
if (execname && !pid_is_exec(pid, execname)) {
return;
@ -114,8 +109,7 @@ check(int pid)
}
static void
do_pidfile(void)
static void do_pidfile(void)
{
FILE *f;
pid_t pid;
@ -130,8 +124,7 @@ do_pidfile(void)
}
static void
do_procinit(void)
static void do_procinit(void)
{
DIR *procdir;
struct dirent *entry;
@ -157,17 +150,16 @@ do_procinit(void)
}
static void
do_stop(void)
static int do_stop(void)
{
char what[1024];
RESERVE_CONFIG_BUFFER(what, 1024);
struct pid_list *p;
int killed = 0;
do_procinit();
if (cmdname)
strcpy(what, cmdname);
what=cmdname;//strcpy(what, cmdname);
else if (execname)
strcpy(what, execname);
else if (pidfile)
@ -180,7 +172,9 @@ do_stop(void)
if (!found) {
if (!quiet)
printf("no %s found; none killed.\n", what);
return;
if (ENABLE_FEATURE_CLEAN_UP)
RELEASE_CONFIG_BUFFER(what);
return -1;
}
for (p = found; p; p = p->next) {
if (kill(p->pid, signal_nr) == 0) {
@ -197,6 +191,9 @@ do_stop(void)
printf(" %d", -p->pid);
printf(").\n");
}
if (ENABLE_FEATURE_CLEAN_UP)
RELEASE_CONFIG_BUFFER(what);
return killed;
}
#if ENABLE_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
@ -206,12 +203,19 @@ static const struct option ssd_long_options[] = {
{ "background", 0, NULL, 'b' },
{ "quiet", 0, NULL, 'q' },
{ "make-pidfile", 0, NULL, 'm' },
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
{ "oknodo", 0, NULL, 'o' },
{ "verbose", 0, NULL, 'v' },
#endif
{ "startas", 1, NULL, 'a' },
{ "name", 1, NULL, 'n' },
{ "signal", 1, NULL, 's' },
{ "user", 1, NULL, 'u' },
{ "exec", 1, NULL, 'x' },
{ "pidfile", 1, NULL, 'p' },
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
{ "retry", 1, NULL, 'R' },
#endif
{ 0, 0, 0, 0 }
};
#endif
@ -221,42 +225,48 @@ static const struct option ssd_long_options[] = {
#define SSD_OPT_BACKGROUND 4
#define SSD_OPT_QUIET 8
#define SSD_OPT_MAKEPID 16
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
#define SSD_OPT_OKNODO 32
#define SSD_OPT_VERBOSE 64
int
start_stop_daemon_main(int argc, char **argv)
#endif
int start_stop_daemon_main(int argc, char **argv)
{
unsigned long opt;
char *signame = NULL;
char *startas = NULL;
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
// char *retry_arg = NULL;
// int retries = -1;
#endif
#if ENABLE_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
bb_applet_long_options = ssd_long_options;
#endif
/* Check required one context option was given */
bb_opt_complementally = "K:S:?:K--S:S--K";
opt = bb_getopt_ulflags(argc, argv, "KSbqma:n:s:u:x:p:",
&startas, &cmdname, &signame, &userspec, &execname, &pidfile);
bb_opt_complementally = "K:S:?:K--S:S--K:m?p:K?xpun:S?xa";
opt = bb_getopt_ulflags(argc, argv, "KSbqm"
// USE_FEATURE_START_STOP_DAEMON_FANCY("ovR:")
USE_FEATURE_START_STOP_DAEMON_FANCY("ov")
"a:n:s:u:x:p:"
// USE_FEATURE_START_STOP_DAEMON_FANCY(,&retry_arg)
,&startas, &cmdname, &signame, &userspec, &execname, &pidfile);
quiet = opt & SSD_OPT_QUIET;
quiet = (opt & SSD_OPT_QUIET)
USE_FEATURE_START_STOP_DAEMON_FANCY(&& !(opt & SSD_OPT_VERBOSE));
if (signame) {
signal_nr = bb_xgetlarg(signame, 10, 0, NSIG);
}
if (!execname && !pidfile && !userspec && !cmdname)
bb_error_msg_and_die ("need at least one of -x, -p, -u, or -n");
if (!startas)
startas = execname;
if ((opt & SSD_CTX_START) && !startas)
bb_error_msg_and_die ("-S needs -x or -a");
if ((opt & SSD_OPT_MAKEPID) && pidfile == NULL)
bb_error_msg_and_die ("-m needs -p");
// USE_FEATURE_START_STOP_DAEMON_FANCY(
// if (retry_arg)
// retries = bb_xgetlarg(retry_arg, 10, 0, INT_MAX);
// )
argc -= optind;
argv += optind;
@ -264,8 +274,10 @@ start_stop_daemon_main(int argc, char **argv)
user_id = bb_xgetpwnam(userspec);
if (opt & SSD_CTX_STOP) {
do_stop();
return EXIT_SUCCESS;
int i = do_stop();
return
USE_FEATURE_START_STOP_DAEMON_FANCY((opt & SSD_OPT_OKNODO)
? 0 :) !!(i<=0);
}
do_procinit();
@ -273,7 +285,8 @@ start_stop_daemon_main(int argc, char **argv)
if (found) {
if (!quiet)
printf("%s already running.\n%d\n", execname ,found->pid);
return EXIT_SUCCESS;
USE_FEATURE_START_STOP_DAEMON_FANCY(return !(opt & SSD_OPT_OKNODO);)
SKIP_FEATURE_START_STOP_DAEMON_FANCY(return EXIT_FAILURE;)
}
*--argv = startas;
if (opt & SSD_OPT_BACKGROUND) {
@ -282,10 +295,9 @@ start_stop_daemon_main(int argc, char **argv)
}
if (opt & SSD_OPT_MAKEPID) {
/* user wants _us_ to make the pidfile */
FILE *pidf = fopen(pidfile, "w");
FILE *pidf = bb_xfopen(pidfile, "w");
pid_t pidt = getpid();
if (pidf == NULL)
bb_perror_msg_and_die("Unable to write pidfile '%s'", pidfile);
fprintf(pidf, "%d\n", pidt);
fclose(pidf);
}

View File

@ -2681,6 +2681,10 @@ USE_FEATURE_DATE_ISOFMT( \
"\n\t-n|--name <process-name>\tstop processes with this name" \
"\n\t-p|--pidfile <pid-file>\t\tsave or load pid using a pid-file" \
"\n\t-q|--quiet\t\t\tbe quiet" \
USE_FEATURE_START_STOP_DAEMON_FANCY( \
"\n\t-o|--oknodo\t\t\texit status 0 if nothing done" \
"\n\t-v|--verbose\t\t\tbe verbose" \
) \
"\n\t-s|--signal <signal>\t\tsignal to send (default TERM)"
#ifdef CONFIG_FEATURE_STAT_FORMAT