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-rw-r--r--tools/start-stop-daemon.c561
1 files changed, 278 insertions, 283 deletions
diff --git a/tools/start-stop-daemon.c b/tools/start-stop-daemon.c
index f1a252a26..39527eca7 100644
--- a/tools/start-stop-daemon.c
+++ b/tools/start-stop-daemon.c
@@ -106,7 +106,8 @@ static struct schedule_item *schedule = NULL;
LIST_HEAD(namespace_head, namespace);
-struct namespace {
+struct namespace
+{
LIST_ENTRY(namespace) list;
const char *path;
int nstype;
@@ -117,20 +118,19 @@ static struct namespace_head namespace_head;
static void *xmalloc(int size);
static void push(struct pid_list **list, pid_t pid);
static void do_help(void);
-static void parse_options(int argc, char * const *argv);
+static void parse_options(int argc, char *const *argv);
static int pid_is_user(pid_t pid, uid_t uid);
static int pid_is_cmd(pid_t pid, const char *name);
static void check(pid_t pid);
static void do_pidfile(const char *name);
-static void do_stop(int signal_nr, int quietmode,
- int *n_killed, int *n_notkilled, int retry_nr);
+static void do_stop(int signal_nr, int quietmode, int *n_killed,
+ int *n_notkilled, int retry_nr);
static int pid_is_exec(pid_t pid, const struct stat *esb);
#ifdef __GNUC__
static void fatal(const char *format, ...)
__attribute__((noreturn, format(printf, 1, 2)));
-static void badusage(const char *msg)
- __attribute__((noreturn));
+static void badusage(const char *msg) __attribute__((noreturn));
#else
static void fatal(const char *format, ...);
static void badusage(const char *msg);
@@ -149,26 +149,32 @@ static void badusage(const char *msg);
* subtraction (before any resulting multiplication or what have you).
* TVELEM must be linear in TVADJUST.
*/
-typedef long tvselector(const struct timeval*);
-static long tvselector_sec(const struct timeval *tv) { return tv->tv_sec; }
-static long tvselector_usec(const struct timeval *tv) { return tv->tv_usec; }
-#define TVCALC_ELEM(result, expr, sec, adj) \
-{ \
- const long TVADJUST = adj; \
- long (*const TVELEM)(const struct timeval*) = tvselector_##sec; \
- (result).tv_##sec = (expr); \
+typedef long tvselector(const struct timeval *);
+static long tvselector_sec(const struct timeval *tv)
+{
+ return tv->tv_sec;
}
-#define TVCALC(result,expr) \
-do { \
- TVCALC_ELEM(result, expr, sec, (-1)); \
- TVCALC_ELEM(result, expr, usec, (+1000000)); \
- (result).tv_sec += (result).tv_usec / 1000000; \
- (result).tv_usec %= 1000000; \
-} while(0)
+static long tvselector_usec(const struct timeval *tv)
+{
+ return tv->tv_usec;
+}
+#define TVCALC_ELEM(result, expr, sec, adj) \
+ { \
+ const long TVADJUST = adj; \
+ long (*const TVELEM)(const struct timeval *) = \
+ tvselector_##sec; \
+ (result).tv_##sec = (expr); \
+ }
+#define TVCALC(result, expr) \
+ do { \
+ TVCALC_ELEM(result, expr, sec, (-1)); \
+ TVCALC_ELEM(result, expr, usec, (+1000000)); \
+ (result).tv_sec += (result).tv_usec / 1000000; \
+ (result).tv_usec %= 1000000; \
+ } while (0)
-static void
-fatal(const char *format, ...)
+static void fatal(const char *format, ...)
{
va_list arglist;
@@ -181,8 +187,7 @@ fatal(const char *format, ...)
}
-static void *
-xmalloc(int size)
+static void *xmalloc(int size)
{
void *ptr;
@@ -192,15 +197,13 @@ xmalloc(int size)
fatal("malloc(%d) failed", size);
}
-static void
-xgettimeofday(struct timeval *tv)
+static void xgettimeofday(struct timeval *tv)
{
- if (gettimeofday(tv,0) != 0)
+ if (gettimeofday(tv, 0) != 0)
fatal("gettimeofday failed: %s", strerror(errno));
}
-static void
-push(struct pid_list **list, pid_t pid)
+static void push(struct pid_list **list, pid_t pid)
{
struct pid_list *p;
@@ -210,8 +213,7 @@ push(struct pid_list **list, pid_t pid)
*list = p;
}
-static void
-clear(struct pid_list **list)
+static void clear(struct pid_list **list)
{
struct pid_list *here, *next;
@@ -224,8 +226,7 @@ clear(struct pid_list **list)
}
#ifdef linux
-static const char *
-next_dirname(const char *s)
+static const char *next_dirname(const char *s)
{
const char *cur;
@@ -243,8 +244,7 @@ next_dirname(const char *s)
return cur;
}
-static void
-add_namespace(const char *path)
+static void add_namespace(const char *path)
{
int nstype;
const char *nsdirname, *nsname, *cur;
@@ -258,7 +258,7 @@ add_namespace(const char *path)
nsname = cur;
}
- if (!memcmp(nsdirname, "ipcns/", strlen("ipcns/")))
+ if (!memcmp(nsdirname, "ipcns/", strlen("ipcns/")))
nstype = CLONE_NEWIPC;
else if (!memcmp(nsdirname, "netns/", strlen("netns/")))
nstype = CLONE_NEWNET;
@@ -275,71 +275,69 @@ add_namespace(const char *path)
#endif
#ifdef HAVE_LXC
-static void
-set_namespaces()
+static void set_namespaces()
{
struct namespace *namespace;
int fd;
- LIST_FOREACH(namespace, &namespace_head, list) {
+ LIST_FOREACH(namespace, &namespace_head, list)
+ {
if ((fd = open(namespace->path, O_RDONLY)) == -1)
- fatal("open namespace %s: %s", namespace->path, strerror(errno));
+ fatal("open namespace %s: %s", namespace->path,
+ strerror(errno));
if (setns(fd, namespace->nstype) == -1)
fatal("setns %s: %s", namespace->path, strerror(errno));
}
}
#else
-static void
-set_namespaces()
+static void set_namespaces()
{
if (!LIST_EMPTY(&namespace_head))
fatal("LCX namespaces not supported");
}
#endif
-static void
-do_help(void)
+static void do_help(void)
{
- printf(
-"start-stop-daemon " VERSION " for Debian - small and fast C version written by\n"
-"Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl>, public domain.\n"
-"\n"
-"Usage:\n"
-" start-stop-daemon -S|--start options ... -- arguments ...\n"
-" start-stop-daemon -K|--stop options ...\n"
-" start-stop-daemon -H|--help\n"
-" start-stop-daemon -V|--version\n"
-"\n"
-"Options (at least one of --exec|--pidfile|--user is required):\n"
-" -x|--exec <executable> program to start/check if it is running\n"
-" -p|--pidfile <pid-file> pid file to check\n"
-" -c|--chuid <name|uid[:group|gid]>\n"
-" change to this user/group before starting process\n"
-" -u|--user <username>|<uid> stop processes owned by this user\n"
-" -n|--name <process-name> stop processes with this name\n"
-" -s|--signal <signal> signal to send (default TERM)\n"
-" -a|--startas <pathname> program to start (default is <executable>)\n"
-" -N|--nicelevel <incr> add incr to the process's nice level\n"
-" -b|--background force the process to detach\n"
-" -m|--make-pidfile create the pidfile before starting\n"
-" -R|--retry <schedule> check whether processes die, and retry\n"
-" -t|--test test mode, don't do anything\n"
-" -o|--oknodo exit status 0 (not 1) if nothing done\n"
-" -q|--quiet be more quiet\n"
-" -v|--verbose be more verbose\n"
-"Retry <schedule> is <item>|/<item>/... where <item> is one of\n"
-" -<signal-num>|[-]<signal-name> send that signal\n"
-" <timeout> wait that many seconds\n"
-" forever repeat remainder forever\n"
-"or <schedule> may be just <timeout>, meaning <signal>/<timeout>/KILL/<timeout>\n"
-"\n"
-"Exit status: 0 = done 1 = nothing done (=> 0 if --oknodo)\n"
-" 3 = trouble 2 = with --retry, processes wouldn't die\n");
+ printf("start-stop-daemon " VERSION
+ " for Debian - small and fast C version written by\n"
+ "Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl>, public domain.\n"
+ "\n"
+ "Usage:\n"
+ " start-stop-daemon -S|--start options ... -- arguments ...\n"
+ " start-stop-daemon -K|--stop options ...\n"
+ " start-stop-daemon -H|--help\n"
+ " start-stop-daemon -V|--version\n"
+ "\n"
+ "Options (at least one of --exec|--pidfile|--user is required):\n"
+ " -x|--exec <executable> program to start/check if it is running\n"
+ " -p|--pidfile <pid-file> pid file to check\n"
+ " -c|--chuid <name|uid[:group|gid]>\n"
+ " change to this user/group before starting process\n"
+ " -u|--user <username>|<uid> stop processes owned by this user\n"
+ " -n|--name <process-name> stop processes with this name\n"
+ " -s|--signal <signal> signal to send (default TERM)\n"
+ " -a|--startas <pathname> program to start (default is <executable>)\n"
+ " -N|--nicelevel <incr> add incr to the process's nice level\n"
+ " -b|--background force the process to detach\n"
+ " -m|--make-pidfile create the pidfile before starting\n"
+ " -R|--retry <schedule> check whether processes die, and retry\n"
+ " -t|--test test mode, don't do anything\n"
+ " -o|--oknodo exit status 0 (not 1) if nothing done\n"
+ " -q|--quiet be more quiet\n"
+ " -v|--verbose be more verbose\n"
+ "Retry <schedule> is <item>|/<item>/... where <item> is one of\n"
+ " -<signal-num>|[-]<signal-name> send that signal\n"
+ " <timeout> wait that many seconds\n"
+ " forever repeat remainder forever\n"
+ "or <schedule> may be just <timeout>, meaning <signal>/<timeout>/KILL/<timeout>\n"
+ "\n"
+ "Exit status: 0 = done 1 = nothing done (=> 0 if --oknodo)\n"
+ " 3 = trouble 2 = with --retry, processes wouldn't die\n");
}
-static void
-badusage(const char *msg)
+static void badusage(const char *msg)
{
if (msg)
fprintf(stderr, "%s: %s\n", progname, msg);
@@ -353,51 +351,39 @@ struct sigpair {
};
const struct sigpair siglist[] = {
- { "ABRT", SIGABRT },
- { "ALRM", SIGALRM },
- { "FPE", SIGFPE },
- { "HUP", SIGHUP },
- { "ILL", SIGILL },
- { "INT", SIGINT },
- { "KILL", SIGKILL },
- { "PIPE", SIGPIPE },
- { "QUIT", SIGQUIT },
- { "SEGV", SIGSEGV },
- { "TERM", SIGTERM },
- { "USR1", SIGUSR1 },
- { "USR2", SIGUSR2 },
- { "CHLD", SIGCHLD },
- { "CONT", SIGCONT },
- { "STOP", SIGSTOP },
- { "TSTP", SIGTSTP },
- { "TTIN", SIGTTIN },
- { "TTOU", SIGTTOU }
-};
-
-static int parse_integer (const char *string, int *value_r) {
+ {"ABRT", SIGABRT}, {"ALRM", SIGALRM}, {"FPE", SIGFPE},
+ {"HUP", SIGHUP}, {"ILL", SIGILL}, {"INT", SIGINT},
+ {"KILL", SIGKILL}, {"PIPE", SIGPIPE}, {"QUIT", SIGQUIT},
+ {"SEGV", SIGSEGV}, {"TERM", SIGTERM}, {"USR1", SIGUSR1},
+ {"USR2", SIGUSR2}, {"CHLD", SIGCHLD}, {"CONT", SIGCONT},
+ {"STOP", SIGSTOP}, {"TSTP", SIGTSTP}, {"TTIN", SIGTTIN},
+ {"TTOU", SIGTTOU}};
+
+static int parse_integer(const char *string, int *value_r)
+{
unsigned long ul;
char *ep;
if (!string[0])
return -1;
- ul= strtoul(string,&ep,10);
+ ul = strtoul(string, &ep, 10);
if (ul > INT_MAX || *ep != '\0')
return -1;
- *value_r= ul;
+ *value_r = ul;
return 0;
}
-static int parse_signal (const char *signal_str, int *signal_nr)
+static int parse_signal(const char *signal_str, int *signal_nr)
{
unsigned int i;
if (parse_integer(signal_str, signal_nr) == 0)
return 0;
- for (i = 0; i < sizeof (siglist) / sizeof (siglist[0]); i++) {
- if (strcmp (signal_str, siglist[i].name) == 0) {
+ for (i = 0; i < sizeof(siglist) / sizeof(siglist[0]); i++) {
+ if (strcmp(signal_str, siglist[i].name) == 0) {
*signal_nr = siglist[i].signal;
return 0;
}
@@ -405,27 +391,28 @@ static int parse_signal (const char *signal_str, int *signal_nr)
return -1;
}
-static void
-parse_schedule_item(const char *string, struct schedule_item *item) {
+static void parse_schedule_item(const char *string, struct schedule_item *item)
+{
const char *after_hyph;
- if (!strcmp(string,"forever")) {
+ if (!strcmp(string, "forever")) {
item->type = sched_forever;
} else if (isdigit(string[0])) {
item->type = sched_timeout;
if (parse_integer(string, &item->value) != 0)
badusage("invalid timeout value in schedule");
- } else if ((after_hyph = string + (string[0] == '-')) &&
- parse_signal(after_hyph, &item->value) == 0) {
+ } else if ((after_hyph = string + (string[0] == '-'))
+ && parse_signal(after_hyph, &item->value) == 0) {
item->type = sched_signal;
} else {
- badusage("invalid schedule item (must be [-]<signal-name>, "
- "-<signal-number>, <timeout> or `forever'");
+ badusage(
+ "invalid schedule item (must be [-]<signal-name>, "
+ "-<signal-number>, <timeout> or `forever'");
}
}
-static void
-parse_schedule(const char *schedule_str) {
+static void parse_schedule(const char *schedule_str)
+{
char item_buf[20];
const char *slash;
int count, repeatat;
@@ -436,7 +423,7 @@ parse_schedule(const char *schedule_str) {
if (*slash == '/')
count++;
- schedule_length = (count == 0) ? 4 : count+1;
+ schedule_length = (count == 0) ? 4 : count + 1;
schedule = xmalloc(sizeof(*schedule) * schedule_length);
if (count == 0) {
@@ -444,30 +431,34 @@ parse_schedule(const char *schedule_str) {
schedule[0].value = signal_nr;
parse_schedule_item(schedule_str, &schedule[1]);
if (schedule[1].type != sched_timeout) {
- badusage ("--retry takes timeout, or schedule list"
- " of at least two items");
+ badusage(
+ "--retry takes timeout, or schedule list"
+ " of at least two items");
}
schedule[2].type = sched_signal;
schedule[2].value = SIGKILL;
- schedule[3]= schedule[1];
+ schedule[3] = schedule[1];
} else {
count = 0;
repeatat = -1;
while (schedule_str != NULL) {
- slash = strchr(schedule_str,'/');
- str_len = slash ? slash - schedule_str : (ptrdiff_t)strlen(schedule_str);
+ slash = strchr(schedule_str, '/');
+ str_len = slash ? slash - schedule_str
+ : (ptrdiff_t)strlen(schedule_str);
if (str_len >= (ptrdiff_t)sizeof(item_buf))
- badusage("invalid schedule item: far too long"
- " (you must delimit items with slashes)");
+ badusage(
+ "invalid schedule item: far too long"
+ " (you must delimit items with slashes)");
memcpy(item_buf, schedule_str, str_len);
item_buf[str_len] = 0;
- schedule_str = slash ? slash+1 : NULL;
+ schedule_str = slash ? slash + 1 : NULL;
parse_schedule_item(item_buf, &schedule[count]);
if (schedule[count].type == sched_forever) {
if (repeatat >= 0)
- badusage("invalid schedule: `forever'"
- " appears more than once");
+ badusage(
+ "invalid schedule: `forever'"
+ " appears more than once");
repeatat = count;
continue;
}
@@ -482,91 +473,79 @@ parse_schedule(const char *schedule_str) {
}
}
-static void
-parse_options(int argc, char * const *argv)
+static void parse_options(int argc, char *const *argv)
{
static struct option longopts[] = {
- { "help", 0, NULL, 'H'},
- { "stop", 0, NULL, 'K'},
- { "start", 0, NULL, 'S'},
- { "version", 0, NULL, 'V'},
- { "startas", 1, NULL, 'a'},
- { "name", 1, NULL, 'n'},
- { "oknodo", 0, NULL, 'o'},
- { "pidfile", 1, NULL, 'p'},
- { "quiet", 0, NULL, 'q'},
- { "signal", 1, NULL, 's'},
- { "test", 0, NULL, 't'},
- { "user", 1, NULL, 'u'},
- { "chroot", 1, NULL, 'r'},
- { "namespace", 1, NULL, 'd'},
- { "verbose", 0, NULL, 'v'},
- { "exec", 1, NULL, 'x'},
- { "chuid", 1, NULL, 'c'},
- { "nicelevel", 1, NULL, 'N'},
- { "background", 0, NULL, 'b'},
- { "make-pidfile", 0, NULL, 'm'},
- { "retry", 1, NULL, 'R'},
- { NULL, 0, NULL, 0}
- };
+ {"help", 0, NULL, 'H'}, {"stop", 0, NULL, 'K'},
+ {"start", 0, NULL, 'S'}, {"version", 0, NULL, 'V'},
+ {"startas", 1, NULL, 'a'}, {"name", 1, NULL, 'n'},
+ {"oknodo", 0, NULL, 'o'}, {"pidfile", 1, NULL, 'p'},
+ {"quiet", 0, NULL, 'q'}, {"signal", 1, NULL, 's'},
+ {"test", 0, NULL, 't'}, {"user", 1, NULL, 'u'},
+ {"chroot", 1, NULL, 'r'}, {"namespace", 1, NULL, 'd'},
+ {"verbose", 0, NULL, 'v'}, {"exec", 1, NULL, 'x'},
+ {"chuid", 1, NULL, 'c'}, {"nicelevel", 1, NULL, 'N'},
+ {"background", 0, NULL, 'b'}, {"make-pidfile", 0, NULL, 'm'},
+ {"retry", 1, NULL, 'R'}, {NULL, 0, NULL, 0}};
int c;
for (;;) {
- c = getopt_long(argc, argv, "HKSVa:n:op:qr:d:s:tu:vx:c:N:bmR:",
- longopts, (int *) 0);
+ c = getopt_long(argc, argv,
+ "HKSVa:n:op:qr:d:s:tu:vx:c:N:bmR:", longopts,
+ (int *)0);
if (c == -1)
break;
switch (c) {
- case 'H': /* --help */
+ case 'H': /* --help */
do_help();
exit(0);
- case 'K': /* --stop */
+ case 'K': /* --stop */
stop = 1;
break;
- case 'S': /* --start */
+ case 'S': /* --start */
start = 1;
break;
- case 'V': /* --version */
+ case 'V': /* --version */
printf("start-stop-daemon " VERSION "\n");
exit(0);
- case 'a': /* --startas <pathname> */
+ case 'a': /* --startas <pathname> */
startas = optarg;
break;
- case 'n': /* --name <process-name> */
+ case 'n': /* --name <process-name> */
cmdname = optarg;
break;
- case 'o': /* --oknodo */
+ case 'o': /* --oknodo */
exitnodo = 0;
break;
- case 'p': /* --pidfile <pid-file> */
+ case 'p': /* --pidfile <pid-file> */
pidfile = optarg;
break;
- case 'q': /* --quiet */
+ case 'q': /* --quiet */
quietmode = 1;
break;
- case 's': /* --signal <signal> */
+ case 's': /* --signal <signal> */
signal_str = optarg;
break;
- case 't': /* --test */
+ case 't': /* --test */
testmode = 1;
break;
- case 'u': /* --user <username>|<uid> */
+ case 'u': /* --user <username>|<uid> */
userspec = optarg;
break;
- case 'v': /* --verbose */
+ case 'v': /* --verbose */
quietmode = -1;
break;
- case 'x': /* --exec <executable> */
+ case 'x': /* --exec <executable> */
execname = optarg;
break;
- case 'c': /* --chuid <username>|<uid> */
+ case 'c': /* --chuid <username>|<uid> */
/* we copy the string just in case we need the
* argument later. */
changeuser = strdup(optarg);
changeuser = strtok(changeuser, ":");
changegroup = strtok(NULL, ":");
break;
- case 'r': /* --chroot /new/root */
+ case 'r': /* --chroot /new/root */
changeroot = optarg;
break;
case 'd': /* --namespace /.../<ipcns>|<netns>|<utsns>/name */
@@ -574,27 +553,28 @@ parse_options(int argc, char * const *argv)
add_namespace(optarg);
#endif
break;
- case 'N': /* --nice */
+ case 'N': /* --nice */
nicelevel = atoi(optarg);
break;
- case 'b': /* --background */
+ case 'b': /* --background */
background = 1;
break;
- case 'm': /* --make-pidfile */
+ case 'm': /* --make-pidfile */
mpidfile = 1;
break;
- case 'R': /* --retry <schedule>|<timeout> */
+ case 'R': /* --retry <schedule>|<timeout> */
schedule_str = optarg;
break;
default:
- badusage(NULL); /* message printed by getopt */
+ badusage(NULL); /* message printed by getopt */
}
}
if (signal_str != NULL) {
- if (parse_signal (signal_str, &signal_nr) != 0)
- badusage("signal value must be numeric or name"
- " of signal (KILL, INTR, ...)");
+ if (parse_signal(signal_str, &signal_nr) != 0)
+ badusage(
+ "signal value must be numeric or name"
+ " of signal (KILL, INTR, ...)");
}
if (schedule_str != NULL) {
@@ -605,7 +585,8 @@ parse_options(int argc, char * const *argv)
badusage("need one of --start or --stop");
if (!execname && !pidfile && !userspec && !cmdname)
- badusage("need at least one of --exec, --pidfile, --user or --name");
+ badusage(
+ "need at least one of --exec, --pidfile, --user or --name");
if (!startas)
startas = execname;
@@ -618,11 +599,9 @@ parse_options(int argc, char * const *argv)
if (background && !start)
badusage("--background is only relevant with --start");
-
}
-static int
-pid_is_exec(pid_t pid, const struct stat *esb)
+static int pid_is_exec(pid_t pid, const struct stat *esb)
{
struct stat sb;
char buf[32];
@@ -634,8 +613,7 @@ pid_is_exec(pid_t pid, const struct stat *esb)
}
-static int
-pid_is_user(pid_t pid, uid_t uid)
+static int pid_is_user(pid_t pid, uid_t uid)
{
struct stat sb;
char buf[32];
@@ -647,8 +625,7 @@ pid_is_user(pid_t pid, uid_t 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;
@@ -672,8 +649,7 @@ pid_is_cmd(pid_t pid, const char *name)
}
-static void
-check(pid_t pid)
+static void check(pid_t pid)
{
if (execname && !pid_is_exec(pid, &exec_stat))
return;
@@ -684,8 +660,7 @@ check(pid_t pid)
push(&found, pid);
}
-static void
-do_pidfile(const char *name)
+static void do_pidfile(const char *name)
{
FILE *f;
pid_t pid;
@@ -697,13 +672,11 @@ do_pidfile(const char *name)
fclose(f);
} else if (errno != ENOENT)
fatal("open pidfile %s: %s", name, strerror(errno));
-
}
/* WTA: this needs to be an autoconf check for /proc/pid existance.
*/
-static void
-do_procinit(void)
+static void do_procinit(void)
{
DIR *procdir;
struct dirent *entry;
@@ -726,11 +699,10 @@ do_procinit(void)
fatal("nothing in /proc - not mounted?");
}
-static void
-do_findprocs(void)
+static void do_findprocs(void)
{
clear(&found);
-
+
if (pidfile)
do_pidfile(pidfile);
else
@@ -738,57 +710,56 @@ do_findprocs(void)
}
/* return 1 on failure */
-static void
-do_stop(int signal_nr, int quietmode, int *n_killed, int *n_notkilled, int retry_nr)
+static void do_stop(int signal_nr, int quietmode, int *n_killed,
+ int *n_notkilled, int retry_nr)
{
struct pid_list *p;
- do_findprocs();
-
- *n_killed = 0;
- *n_notkilled = 0;
-
- if (!found)
- return;
-
- clear(&killed);
+ do_findprocs();
+
+ *n_killed = 0;
+ *n_notkilled = 0;
+
+ if (!found)
+ return;
+
+ clear(&killed);
for (p = found; p; p = p->next) {
if (testmode)
- printf("Would send signal %d to %d.\n",
- signal_nr, p->pid);
- else if (kill(p->pid, signal_nr) == 0) {
+ printf("Would send signal %d to %d.\n", signal_nr,
+ p->pid);
+ else if (kill(p->pid, signal_nr) == 0) {
push(&killed, p->pid);
- (*n_killed)++;
+ (*n_killed)++;
} else {
- printf("%s: warning: failed to kill %d: %s\n",
- progname, p->pid, strerror(errno));
- (*n_notkilled)++;
+ printf("%s: warning: failed to kill %d: %s\n", progname,
+ p->pid, strerror(errno));
+ (*n_notkilled)++;
}
}
if (quietmode < 0 && killed) {
- printf("Stopped %s (pid", what_stop);
+ printf("Stopped %s (pid", what_stop);
for (p = killed; p; p = p->next)
printf(" %d", p->pid);
- putchar(')');
- if (retry_nr > 0)
- printf(", retry #%d", retry_nr);
- printf(".\n");
+ putchar(')');
+ if (retry_nr > 0)
+ printf(", retry #%d", retry_nr);
+ printf(".\n");
}
}
-static void
-set_what_stop(const char *str)
+static void set_what_stop(const char *str)
{
strncpy(what_stop, str, sizeof(what_stop));
- what_stop[sizeof(what_stop)-1] = '\0';
+ what_stop[sizeof(what_stop) - 1] = '\0';
}
-static int
-run_stop_schedule(void)
+static int run_stop_schedule(void)
{
- int r, position, n_killed, n_notkilled, value, ratio, anykilled, retry_nr;
+ int r, position, n_killed, n_notkilled, value, ratio, anykilled,
+ retry_nr;
struct timeval stopat, before, after, interval, maxinterval;
if (testmode) {
@@ -822,8 +793,8 @@ run_stop_schedule(void)
goto x_finished;
}
- for (position = 0; position < schedule_length; ) {
- value= schedule[position].value;
+ for (position = 0; position < schedule_length;) {
+ value = schedule[position].value;
n_notkilled = 0;
switch (schedule[position].type) {
@@ -833,7 +804,8 @@ run_stop_schedule(void)
continue;
case sched_signal:
- do_stop(value, quietmode, &n_killed, &n_notkilled, retry_nr++);
+ do_stop(value, quietmode, &n_killed, &n_notkilled,
+ retry_nr++);
if (!n_killed)
goto x_finished;
else
@@ -841,33 +813,48 @@ run_stop_schedule(void)
goto next_item;
case sched_timeout:
- /* We want to keep polling for the processes, to see if they've exited,
- * or until the timeout expires.
- *
- * This is a somewhat complicated algorithm to try to ensure that we
- * notice reasonably quickly when all the processes have exited, but
- * don't spend too much CPU time polling. In particular, on a fast
- * machine with quick-exiting daemons we don't want to delay system
- * shutdown too much, whereas on a slow one, or where processes are
- * taking some time to exit, we want to increase the polling
- * interval.
- *
- * The algorithm is as follows: we measure the elapsed time it takes
- * to do one poll(), and wait a multiple of this time for the next
- * poll. However, if that would put us past the end of the timeout
- * period we wait only as long as the timeout period, but in any case
- * we always wait at least MIN_POLL_INTERVAL (20ms). The multiple
- * (`ratio') starts out as 2, and increases by 1 for each poll to a
- * maximum of 10; so we use up to between 30% and 10% of the
- * machine's resources (assuming a few reasonable things about system
- * performance).
- */
+ /* We want to keep polling for the processes, to see if
+ * they've exited,
+ * or until the timeout expires.
+ *
+ * This is a somewhat complicated algorithm to try to
+ * ensure that we
+ * notice reasonably quickly when all the processes have
+ * exited, but
+ * don't spend too much CPU time polling. In
+ * particular, on a fast
+ * machine with quick-exiting daemons we don't want to
+ * delay system
+ * shutdown too much, whereas on a slow one, or where
+ * processes are
+ * taking some time to exit, we want to increase the
+ * polling
+ * interval.
+ *
+ * The algorithm is as follows: we measure the elapsed
+ * time it takes
+ * to do one poll(), and wait a multiple of this time
+ * for the next
+ * poll. However, if that would put us past the end of
+ * the timeout
+ * period we wait only as long as the timeout period,
+ * but in any case
+ * we always wait at least MIN_POLL_INTERVAL (20ms).
+ * The multiple
+ * (`ratio') starts out as 2, and increases by 1 for
+ * each poll to a
+ * maximum of 10; so we use up to between 30% and 10% of
+ * the
+ * machine's resources (assuming a few reasonable things
+ * about system
+ * performance).
+ */
xgettimeofday(&stopat);
stopat.tv_sec += value;
ratio = 1;
for (;;) {
xgettimeofday(&before);
- if (timercmp(&before,&stopat,>))
+ if (timercmp(&before, &stopat, >))
goto next_item;
do_stop(0, 1, &n_killed, &n_notkilled, 0);
@@ -876,23 +863,27 @@ run_stop_schedule(void)
xgettimeofday(&after);
- if (!timercmp(&after,&stopat,<))
+ if (!timercmp(&after, &stopat, <))
goto next_item;
if (ratio < 10)
ratio++;
- TVCALC(interval, ratio * (TVELEM(&after) - TVELEM(&before) + TVADJUST));
- TVCALC(maxinterval, TVELEM(&stopat) - TVELEM(&after) + TVADJUST);
+ TVCALC(interval,
+ ratio * (TVELEM(&after) - TVELEM(&before)
+ + TVADJUST));
+ TVCALC(maxinterval,
+ TVELEM(&stopat) - TVELEM(&after)
+ + TVADJUST);
- if (timercmp(&interval,&maxinterval,>))
+ if (timercmp(&interval, &maxinterval, >))
interval = maxinterval;
- if (interval.tv_sec == 0 &&
- interval.tv_usec <= MIN_POLL_INTERVAL)
- interval.tv_usec = MIN_POLL_INTERVAL;
+ if (interval.tv_sec == 0
+ && interval.tv_usec <= MIN_POLL_INTERVAL)
+ interval.tv_usec = MIN_POLL_INTERVAL;
- r = select(0,0,0,0,&interval);
+ r = select(0, 0, 0, 0, &interval);
if (r < 0 && errno != EINTR)
fatal("select() failed for pause: %s",
strerror(errno));
@@ -900,7 +891,6 @@ run_stop_schedule(void)
default:
assert(!"schedule[].type value must be valid");
-
}
next_item:
@@ -916,7 +906,8 @@ run_stop_schedule(void)
x_finished:
if (!anykilled) {
if (quietmode <= 0)
- printf("No %s found running; none killed.\n", what_stop);
+ printf("No %s found running; none killed.\n",
+ what_stop);
return exitnodo;
} else {
return 0;
@@ -927,8 +918,7 @@ x_finished:
int main(int argc, char **argv) NONRETURNING;
*/
-int
-main(int argc, char **argv)
+int main(int argc, char **argv)
{
progname = argv[0];
@@ -962,7 +952,8 @@ main(int argc, char **argv)
if (!pw)
fatal("user `%s' not found\n", changeuser);
runas_uid = pw->pw_uid;
- if (changegroup == NULL) { /* pass the default group of this user */
+ if (changegroup
+ == NULL) { /* pass the default group of this user */
changegroup = ""; /* just empty */
runas_gid = pw->pw_gid;
}
@@ -987,7 +978,8 @@ main(int argc, char **argv)
if (changeuser != NULL) {
printf(" (as user %s[%d]", changeuser, runas_uid);
if (changegroup != NULL)
- printf(", and group %s[%d])", changegroup, runas_gid);
+ printf(", and group %s[%d])", changegroup,
+ runas_gid);
else
printf(")");
}
@@ -1008,10 +1000,11 @@ main(int argc, char **argv)
fatal("Unable to chroot() to %s", changeroot);
}
if (changeuser != NULL) {
- if (setgid(runas_gid))
- fatal("Unable to set gid to %d", runas_gid);
+ if (setgid(runas_gid))
+ fatal("Unable to set gid to %d", runas_gid);
if (initgroups(changeuser, runas_gid))
- fatal("Unable to set initgroups() with gid %d", runas_gid);
+ fatal("Unable to set initgroups() with gid %d",
+ runas_gid);
if (setuid(runas_uid))
fatal("Unable to set uid to %s", changeuser);
}
@@ -1021,7 +1014,7 @@ main(int argc, char **argv)
if (quietmode < 0)
printf("Detatching to start %s...", startas);
i = fork();
- if (i<0) {
+ if (i < 0) {
fatal("Unable to fork.\n");
}
if (i) { /* parent */
@@ -1029,32 +1022,34 @@ main(int argc, char **argv)
printf("done.\n");
exit(0);
}
- /* child continues here */
- /* now close all extra fds */
- for (i=getdtablesize()-1; i>=0; --i) close(i);
- /* change tty */
+ /* child continues here */
+ /* now close all extra fds */
+ for (i = getdtablesize() - 1; i >= 0; --i)
+ close(i);
+ /* change tty */
fd = open("/dev/tty", O_RDWR);
ioctl(fd, TIOCNOTTY, 0);
close(fd);
chdir("/");
- umask(022); /* set a default for dumb programs */
- setpgid(0,0); /* set the process group */
- fd=open("/dev/null", O_RDWR); /* stdin */
- dup(fd); /* stdout */
- dup(fd); /* stderr */
+ umask(022); /* set a default for dumb programs */
+ setpgid(0, 0); /* set the process group */
+ fd = open("/dev/null", O_RDWR); /* stdin */
+ dup(fd); /* stdout */
+ dup(fd); /* stderr */
}
if (nicelevel) {
errno = 0;
if (nice(nicelevel) < 0 && errno)
fatal("Unable to alter nice level by %i: %s", nicelevel,
- strerror(errno));
+ strerror(errno));
}
- if (mpidfile && pidfile != NULL) { /* user wants _us_ to make the pidfile :) */
+ if (mpidfile
+ && pidfile != NULL) { /* user wants _us_ to make the pidfile :) */
FILE *pidf = fopen(pidfile, "w");
pid_t pidt = getpid();
if (pidf == NULL)
- fatal("Unable to open pidfile `%s' for writing: %s", pidfile,
- strerror(errno));
+ fatal("Unable to open pidfile `%s' for writing: %s",
+ pidfile, strerror(errno));
fprintf(pidf, "%d\n", pidt);
fclose(pidf);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-18 20:22:32 +0100