1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
31 #include <sys/resource.h>
32 #include <linux/sched.h>
33 #include <sys/types.h>
37 #include <sys/ioctl.h>
39 #include <linux/tiocl.h>
42 #include <sys/inotify.h>
53 bool streq_ptr(const char *a, const char *b) {
55 /* Like streq(), but tries to make sense of NULL pointers */
66 usec_t now(clockid_t clock_id) {
69 assert_se(clock_gettime(clock_id, &ts) == 0);
71 return timespec_load(&ts);
74 usec_t timespec_load(const struct timespec *ts) {
78 (usec_t) ts->tv_sec * USEC_PER_SEC +
79 (usec_t) ts->tv_nsec / NSEC_PER_USEC;
82 struct timespec *timespec_store(struct timespec *ts, usec_t u) {
85 ts->tv_sec = (time_t) (u / USEC_PER_SEC);
86 ts->tv_nsec = (long int) ((u % USEC_PER_SEC) * NSEC_PER_USEC);
91 usec_t timeval_load(const struct timeval *tv) {
95 (usec_t) tv->tv_sec * USEC_PER_SEC +
99 struct timeval *timeval_store(struct timeval *tv, usec_t u) {
102 tv->tv_sec = (time_t) (u / USEC_PER_SEC);
103 tv->tv_usec = (suseconds_t) (u % USEC_PER_SEC);
108 bool endswith(const char *s, const char *postfix) {
115 pl = strlen(postfix);
123 return memcmp(s + sl - pl, postfix, pl) == 0;
126 bool startswith(const char *s, const char *prefix) {
141 return memcmp(s, prefix, pl) == 0;
144 bool first_word(const char *s, const char *word) {
159 if (memcmp(s, word, wl) != 0)
163 strchr(WHITESPACE, s[wl]);
166 int close_nointr(int fd) {
172 if ((r = close(fd)) >= 0)
180 void close_nointr_nofail(int fd) {
181 int saved_errno = errno;
183 /* like close_nointr() but cannot fail, and guarantees errno
186 assert_se(close_nointr(fd) == 0);
191 int parse_boolean(const char *v) {
194 if (streq(v, "1") || v[0] == 'y' || v[0] == 'Y' || v[0] == 't' || v[0] == 'T' || !strcasecmp(v, "on"))
196 else if (streq(v, "0") || v[0] == 'n' || v[0] == 'N' || v[0] == 'f' || v[0] == 'F' || !strcasecmp(v, "off"))
202 int safe_atou(const char *s, unsigned *ret_u) {
210 l = strtoul(s, &x, 0);
212 if (!x || *x || errno)
213 return errno ? -errno : -EINVAL;
215 if ((unsigned long) (unsigned) l != l)
218 *ret_u = (unsigned) l;
222 int safe_atoi(const char *s, int *ret_i) {
230 l = strtol(s, &x, 0);
232 if (!x || *x || errno)
233 return errno ? -errno : -EINVAL;
235 if ((long) (int) l != l)
242 int safe_atolu(const char *s, long unsigned *ret_lu) {
250 l = strtoul(s, &x, 0);
252 if (!x || *x || errno)
253 return errno ? -errno : -EINVAL;
259 int safe_atoli(const char *s, long int *ret_li) {
267 l = strtol(s, &x, 0);
269 if (!x || *x || errno)
270 return errno ? -errno : -EINVAL;
276 int safe_atollu(const char *s, long long unsigned *ret_llu) {
278 unsigned long long l;
284 l = strtoull(s, &x, 0);
286 if (!x || *x || errno)
287 return errno ? -errno : -EINVAL;
293 int safe_atolli(const char *s, long long int *ret_lli) {
301 l = strtoll(s, &x, 0);
303 if (!x || *x || errno)
304 return errno ? -errno : -EINVAL;
310 /* Split a string into words. */
311 char *split(const char *c, size_t *l, const char *separator, char **state) {
314 current = *state ? *state : (char*) c;
316 if (!*current || *c == 0)
319 current += strspn(current, separator);
320 *l = strcspn(current, separator);
323 return (char*) current;
326 /* Split a string into words, but consider strings enclosed in '' and
327 * "" as words even if they include spaces. */
328 char *split_quoted(const char *c, size_t *l, char **state) {
331 current = *state ? *state : (char*) c;
333 if (!*current || *c == 0)
336 current += strspn(current, WHITESPACE);
338 if (*current == '\'') {
340 *l = strcspn(current, "'");
345 } else if (*current == '\"') {
347 *l = strcspn(current, "\"");
353 *l = strcspn(current, WHITESPACE);
357 /* FIXME: Cannot deal with strings that have spaces AND ticks
360 return (char*) current;
363 char **split_path_and_make_absolute(const char *p) {
367 if (!(l = strv_split(p, ":")))
370 if (!strv_path_make_absolute_cwd(l)) {
378 int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
381 char fn[132], line[256], *p;
382 long long unsigned ppid;
387 assert_se(snprintf(fn, sizeof(fn)-1, "/proc/%llu/stat", (unsigned long long) pid) < (int) (sizeof(fn)-1));
388 fn[sizeof(fn)-1] = 0;
390 if (!(f = fopen(fn, "r")))
393 if (!(fgets(line, sizeof(line), f))) {
401 /* Let's skip the pid and comm fields. The latter is enclosed
402 * in () but does not escape any () in its value, so let's
403 * skip over it manually */
405 if (!(p = strrchr(line, ')')))
416 if ((long long unsigned) (pid_t) ppid != ppid)
419 *_ppid = (pid_t) ppid;
424 int write_one_line_file(const char *fn, const char *line) {
431 if (!(f = fopen(fn, "we")))
434 if (fputs(line, f) < 0) {
445 int read_one_line_file(const char *fn, char **line) {
453 if (!(f = fopen(fn, "re")))
456 if (!(fgets(t, sizeof(t), f))) {
461 if (!(c = strdup(t))) {
474 char *truncate_nl(char *s) {
477 s[strcspn(s, NEWLINE)] = 0;
481 int get_process_name(pid_t pid, char **name) {
488 if (asprintf(&p, "/proc/%llu/comm", (unsigned long long) pid) < 0)
491 r = read_one_line_file(p, name);
501 char *strappend(const char *s, const char *suffix) {
511 if (!(r = new(char, a+b+1)))
515 memcpy(r+a, suffix, b);
521 int readlink_malloc(const char *p, char **r) {
531 if (!(c = new(char, l)))
534 if ((n = readlink(p, c, l-1)) < 0) {
540 if ((size_t) n < l-1) {
551 char *file_name_from_path(const char *p) {
556 if ((r = strrchr(p, '/')))
562 bool path_is_absolute(const char *p) {
568 bool is_path(const char *p) {
570 return !!strchr(p, '/');
573 char *path_make_absolute(const char *p, const char *prefix) {
578 /* Makes every item in the list an absolute path by prepending
579 * the prefix, if specified and necessary */
581 if (path_is_absolute(p) || !prefix)
584 if (asprintf(&r, "%s/%s", prefix, p) < 0)
590 char *path_make_absolute_cwd(const char *p) {
595 /* Similar to path_make_absolute(), but prefixes with the
596 * current working directory. */
598 if (path_is_absolute(p))
601 if (!(cwd = get_current_dir_name()))
604 r = path_make_absolute(p, cwd);
610 char **strv_path_make_absolute_cwd(char **l) {
613 /* Goes through every item in the string list and makes it
614 * absolute. This works in place and won't rollback any
615 * changes on failure. */
620 if (!(t = path_make_absolute_cwd(*s)))
630 int reset_all_signal_handlers(void) {
633 for (sig = 1; sig < _NSIG; sig++) {
636 if (sig == SIGKILL || sig == SIGSTOP)
640 sa.sa_handler = SIG_DFL;
641 sa.sa_flags = SA_RESTART;
643 /* On Linux the first two RT signals are reserved by
644 * glibc, and sigaction() will return EINVAL for them. */
645 if ((sigaction(sig, &sa, NULL) < 0))
653 char *strstrip(char *s) {
656 /* Drops trailing whitespace. Modifies the string in
657 * place. Returns pointer to first non-space character */
659 s += strspn(s, WHITESPACE);
662 if (!strchr(WHITESPACE, *e))
673 char *delete_chars(char *s, const char *bad) {
676 /* Drops all whitespace, regardless where in the string */
678 for (f = s, t = s; *f; f++) {
690 char *file_in_same_dir(const char *path, const char *filename) {
697 /* This removes the last component of path and appends
698 * filename, unless the latter is absolute anyway or the
701 if (path_is_absolute(filename))
702 return strdup(filename);
704 if (!(e = strrchr(path, '/')))
705 return strdup(filename);
707 k = strlen(filename);
708 if (!(r = new(char, e-path+1+k+1)))
711 memcpy(r, path, e-path+1);
712 memcpy(r+(e-path)+1, filename, k+1);
717 int mkdir_parents(const char *path, mode_t mode) {
722 /* Creates every parent directory in the path except the last
725 p = path + strspn(path, "/");
730 e = p + strcspn(p, "/");
731 p = e + strspn(e, "/");
733 /* Is this the last component? If so, then we're
738 if (!(t = strndup(path, e - path)))
745 if (r < 0 && errno != EEXIST)
750 int mkdir_p(const char *path, mode_t mode) {
755 if ((r = mkdir_parents(path, mode)) < 0)
758 if (mkdir(path, mode) < 0)
764 char hexchar(int x) {
765 static const char table[16] = "0123456789abcdef";
767 return table[x & 15];
770 int unhexchar(char c) {
772 if (c >= '0' && c <= '9')
775 if (c >= 'a' && c <= 'f')
778 if (c >= 'A' && c <= 'F')
784 char octchar(int x) {
785 return '0' + (x & 7);
788 int unoctchar(char c) {
790 if (c >= '0' && c <= '7')
796 char decchar(int x) {
797 return '0' + (x % 10);
800 int undecchar(char c) {
802 if (c >= '0' && c <= '9')
808 char *cescape(const char *s) {
814 /* Does C style string escaping. */
816 if (!(r = new(char, strlen(s)*4 + 1)))
819 for (f = s, t = r; *f; f++)
865 /* For special chars we prefer octal over
866 * hexadecimal encoding, simply because glib's
867 * g_strescape() does the same */
868 if ((*f < ' ') || (*f >= 127)) {
870 *(t++) = octchar((unsigned char) *f >> 6);
871 *(t++) = octchar((unsigned char) *f >> 3);
872 *(t++) = octchar((unsigned char) *f);
883 char *cunescape(const char *s) {
889 /* Undoes C style string escaping */
891 if (!(r = new(char, strlen(s)+1)))
894 for (f = s, t = r; *f; f++) {
937 /* hexadecimal encoding */
940 if ((a = unhexchar(f[1])) < 0 ||
941 (b = unhexchar(f[2])) < 0) {
942 /* Invalid escape code, let's take it literal then */
946 *(t++) = (char) ((a << 4) | b);
964 if ((a = unoctchar(f[0])) < 0 ||
965 (b = unoctchar(f[1])) < 0 ||
966 (c = unoctchar(f[2])) < 0) {
967 /* Invalid escape code, let's take it literal then */
971 *(t++) = (char) ((a << 6) | (b << 3) | c);
979 /* premature end of string.*/
984 /* Invalid escape code, let's take it literal then */
997 char *xescape(const char *s, const char *bad) {
1001 /* Escapes all chars in bad, in addition to \ and all special
1002 * chars, in \xFF style escaping. May be reversed with
1005 if (!(r = new(char, strlen(s)*4+1)))
1008 for (f = s, t = r; *f; f++) {
1010 if ((*f < ' ') || (*f >= 127) ||
1011 (*f == '\\') || strchr(bad, *f)) {
1014 *(t++) = hexchar(*f >> 4);
1015 *(t++) = hexchar(*f);
1025 char *bus_path_escape(const char *s) {
1031 /* Escapes all chars that D-Bus' object path cannot deal
1032 * with. Can be reverse with bus_path_unescape() */
1034 if (!(r = new(char, strlen(s)*3+1)))
1037 for (f = s, t = r; *f; f++) {
1039 if (!(*f >= 'A' && *f <= 'Z') &&
1040 !(*f >= 'a' && *f <= 'z') &&
1041 !(*f >= '0' && *f <= '9')) {
1043 *(t++) = hexchar(*f >> 4);
1044 *(t++) = hexchar(*f);
1054 char *bus_path_unescape(const char *f) {
1059 if (!(r = strdup(f)))
1062 for (t = r; *f; f++) {
1067 if ((a = unhexchar(f[1])) < 0 ||
1068 (b = unhexchar(f[2])) < 0) {
1069 /* Invalid escape code, let's take it literal then */
1072 *(t++) = (char) ((a << 4) | b);
1084 char *path_kill_slashes(char *path) {
1088 /* Removes redundant inner and trailing slashes. Modifies the
1089 * passed string in-place.
1091 * ///foo///bar/ becomes /foo/bar
1094 for (f = path, t = path; *f; f++) {
1109 /* Special rule, if we are talking of the root directory, a
1110 trailing slash is good */
1112 if (t == path && slash)
1119 bool path_startswith(const char *path, const char *prefix) {
1123 if ((path[0] == '/') != (prefix[0] == '/'))
1129 path += strspn(path, "/");
1130 prefix += strspn(prefix, "/");
1138 a = strcspn(path, "/");
1139 b = strcspn(prefix, "/");
1144 if (memcmp(path, prefix, a) != 0)
1152 bool path_equal(const char *a, const char *b) {
1156 if ((a[0] == '/') != (b[0] == '/'))
1162 a += strspn(a, "/");
1163 b += strspn(b, "/");
1165 if (*a == 0 && *b == 0)
1168 if (*a == 0 || *b == 0)
1171 j = strcspn(a, "/");
1172 k = strcspn(b, "/");
1177 if (memcmp(a, b, j) != 0)
1185 char *ascii_strlower(char *t) {
1190 for (p = t; *p; p++)
1191 if (*p >= 'A' && *p <= 'Z')
1192 *p = *p - 'A' + 'a';
1197 bool ignore_file(const char *filename) {
1201 filename[0] == '.' ||
1202 endswith(filename, "~") ||
1203 endswith(filename, ".rpmnew") ||
1204 endswith(filename, ".rpmsave") ||
1205 endswith(filename, ".rpmorig") ||
1206 endswith(filename, ".dpkg-old") ||
1207 endswith(filename, ".dpkg-new") ||
1208 endswith(filename, ".swp");
1211 int fd_nonblock(int fd, bool nonblock) {
1216 if ((flags = fcntl(fd, F_GETFL, 0)) < 0)
1220 flags |= O_NONBLOCK;
1222 flags &= ~O_NONBLOCK;
1224 if (fcntl(fd, F_SETFL, flags) < 0)
1230 int fd_cloexec(int fd, bool cloexec) {
1235 if ((flags = fcntl(fd, F_GETFD, 0)) < 0)
1239 flags |= FD_CLOEXEC;
1241 flags &= ~FD_CLOEXEC;
1243 if (fcntl(fd, F_SETFD, flags) < 0)
1249 int close_all_fds(const int except[], unsigned n_except) {
1254 if (!(d = opendir("/proc/self/fd")))
1257 while ((de = readdir(d))) {
1260 if (ignore_file(de->d_name))
1263 if ((r = safe_atoi(de->d_name, &fd)) < 0)
1277 for (i = 0; i < n_except; i++)
1278 if (except[i] == fd) {
1287 if ((r = close_nointr(fd)) < 0) {
1288 /* Valgrind has its own FD and doesn't want to have it closed */
1301 bool chars_intersect(const char *a, const char *b) {
1304 /* Returns true if any of the chars in a are in b. */
1305 for (p = a; *p; p++)
1312 char *format_timestamp(char *buf, size_t l, usec_t t) {
1322 sec = (time_t) t / USEC_PER_SEC;
1324 if (strftime(buf, l, "%a, %d %b %Y %H:%M:%S %z", localtime_r(&sec, &tm)) <= 0)
1330 bool fstype_is_network(const char *fstype) {
1331 static const char * const table[] = {
1341 for (i = 0; i < ELEMENTSOF(table); i++)
1342 if (streq(table[i], fstype))
1351 if ((fd = open("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC)) < 0)
1356 TIOCL_GETKMSGREDIRECT,
1360 if (ioctl(fd, TIOCLINUX, tiocl) < 0)
1363 vt = tiocl[0] <= 0 ? 1 : tiocl[0];
1366 if (ioctl(fd, VT_ACTIVATE, vt) < 0)
1369 close_nointr_nofail(r);
1373 int read_one_char(FILE *f, char *ret, bool *need_nl) {
1374 struct termios old_termios, new_termios;
1381 if (tcgetattr(fileno(f), &old_termios) >= 0) {
1382 new_termios = old_termios;
1384 new_termios.c_lflag &= ~ICANON;
1385 new_termios.c_cc[VMIN] = 1;
1386 new_termios.c_cc[VTIME] = 0;
1388 if (tcsetattr(fileno(f), TCSADRAIN, &new_termios) >= 0) {
1391 k = fread(&c, 1, 1, f);
1393 tcsetattr(fileno(f), TCSADRAIN, &old_termios);
1399 *need_nl = c != '\n';
1406 if (!(fgets(line, sizeof(line), f)))
1411 if (strlen(line) != 1)
1421 int ask(char *ret, const char *replies, const char *text, ...) {
1430 bool need_nl = true;
1432 fputs("\x1B[1m", stdout);
1438 fputs("\x1B[0m", stdout);
1442 if ((r = read_one_char(stdin, &c, &need_nl)) < 0) {
1444 if (r == -EBADMSG) {
1445 puts("Bad input, please try again.");
1456 if (strchr(replies, c)) {
1461 puts("Read unexpected character, please try again.");
1465 int reset_terminal(int fd) {
1466 struct termios termios;
1471 /* Set terminal to some sane defaults */
1473 if (tcgetattr(fd, &termios) < 0) {
1478 /* We only reset the stuff that matters to the software. How
1479 * hardware is set up we don't touch assuming that somebody
1480 * else will do that for us */
1482 termios.c_iflag &= ~(IGNBRK | BRKINT | ISTRIP | INLCR | IGNCR | IUCLC);
1483 termios.c_iflag |= ICRNL | IMAXBEL | IUTF8;
1484 termios.c_oflag |= ONLCR;
1485 termios.c_cflag |= CREAD;
1486 termios.c_lflag = ISIG | ICANON | IEXTEN | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOPRT | ECHOKE;
1488 termios.c_cc[VINTR] = 03; /* ^C */
1489 termios.c_cc[VQUIT] = 034; /* ^\ */
1490 termios.c_cc[VERASE] = 0177;
1491 termios.c_cc[VKILL] = 025; /* ^X */
1492 termios.c_cc[VEOF] = 04; /* ^D */
1493 termios.c_cc[VSTART] = 021; /* ^Q */
1494 termios.c_cc[VSTOP] = 023; /* ^S */
1495 termios.c_cc[VSUSP] = 032; /* ^Z */
1496 termios.c_cc[VLNEXT] = 026; /* ^V */
1497 termios.c_cc[VWERASE] = 027; /* ^W */
1498 termios.c_cc[VREPRINT] = 022; /* ^R */
1499 termios.c_cc[VEOL] = 0;
1500 termios.c_cc[VEOL2] = 0;
1502 termios.c_cc[VTIME] = 0;
1503 termios.c_cc[VMIN] = 1;
1505 if (tcsetattr(fd, TCSANOW, &termios) < 0)
1509 /* Just in case, flush all crap out */
1510 tcflush(fd, TCIOFLUSH);
1515 int open_terminal(const char *name, int mode) {
1518 if ((fd = open(name, mode)) < 0)
1521 if ((r = isatty(fd)) < 0) {
1522 close_nointr_nofail(fd);
1527 close_nointr_nofail(fd);
1534 int flush_fd(int fd) {
1535 struct pollfd pollfd;
1539 pollfd.events = POLLIN;
1546 if ((r = poll(&pollfd, 1, 0)) < 0) {
1557 if ((l = read(fd, buf, sizeof(buf))) < 0) {
1562 if (errno == EAGAIN)
1573 int acquire_terminal(const char *name, bool fail, bool force) {
1574 int fd = -1, notify = -1, r, wd;
1578 /* We use inotify to be notified when the tty is closed. We
1579 * create the watch before checking if we can actually acquire
1580 * it, so that we don't lose any event.
1582 * Note: strictly speaking this actually watches for the
1583 * device being closed, it does *not* really watch whether a
1584 * tty loses its controlling process. However, unless some
1585 * rogue process uses TIOCNOTTY on /dev/tty *after* closing
1586 * its tty otherwise this will not become a problem. As long
1587 * as the administrator makes sure not configure any service
1588 * on the same tty as an untrusted user this should not be a
1589 * problem. (Which he probably should not do anyway.) */
1591 if (!fail && !force) {
1592 if ((notify = inotify_init1(IN_CLOEXEC)) < 0) {
1597 if ((wd = inotify_add_watch(notify, name, IN_CLOSE)) < 0) {
1604 if ((r = flush_fd(notify)) < 0)
1607 /* We pass here O_NOCTTY only so that we can check the return
1608 * value TIOCSCTTY and have a reliable way to figure out if we
1609 * successfully became the controlling process of the tty */
1610 if ((fd = open_terminal(name, O_RDWR|O_NOCTTY)) < 0)
1613 /* First, try to get the tty */
1614 if ((r = ioctl(fd, TIOCSCTTY, force)) < 0 &&
1615 (force || fail || errno != EPERM)) {
1625 assert(notify >= 0);
1628 struct inotify_event e;
1631 if ((l = read(notify, &e, sizeof(e))) != sizeof(e)) {
1645 if (e.wd != wd || !(e.mask & IN_CLOSE)) {
1653 /* We close the tty fd here since if the old session
1654 * ended our handle will be dead. It's important that
1655 * we do this after sleeping, so that we don't enter
1656 * an endless loop. */
1657 close_nointr_nofail(fd);
1661 close_nointr_nofail(notify);
1663 if ((r = reset_terminal(fd)) < 0)
1664 log_warning("Failed to reset terminal: %s", strerror(-r));
1670 close_nointr_nofail(fd);
1673 close_nointr_nofail(notify);
1678 int release_terminal(void) {
1681 if ((fd = open("/dev/tty", O_RDWR)) < 0)
1684 if (ioctl(fd, TIOCNOTTY) < 0)
1687 close_nointr_nofail(fd);
1691 int ignore_signal(int sig) {
1692 struct sigaction sa;
1695 sa.sa_handler = SIG_IGN;
1696 sa.sa_flags = SA_RESTART;
1698 return sigaction(sig, &sa, NULL);
1701 int close_pipe(int p[]) {
1707 a = close_nointr(p[0]);
1712 b = close_nointr(p[1]);
1716 return a < 0 ? a : b;
1719 ssize_t loop_read(int fd, void *buf, size_t nbytes) {
1728 while (nbytes > 0) {
1731 if ((k = read(fd, p, nbytes)) <= 0) {
1736 if (errno == EAGAIN) {
1737 struct pollfd pollfd;
1741 pollfd.events = POLLIN;
1743 if (poll(&pollfd, 1, -1) < 0) {
1747 return n > 0 ? n : -errno;
1750 if (pollfd.revents != POLLIN)
1751 return n > 0 ? n : -EIO;
1756 return n > 0 ? n : (k < 0 ? -errno : 0);
1767 int path_is_mount_point(const char *t) {
1771 if (lstat(t, &a) < 0) {
1773 if (errno == ENOENT)
1779 if (!(copy = strdup(t)))
1782 if (lstat(dirname(copy), &b) < 0) {
1789 return a.st_dev != b.st_dev;
1792 int parse_usec(const char *t, usec_t *usec) {
1793 static const struct {
1797 { "sec", USEC_PER_SEC },
1798 { "s", USEC_PER_SEC },
1799 { "min", USEC_PER_MINUTE },
1800 { "hr", USEC_PER_HOUR },
1801 { "h", USEC_PER_HOUR },
1802 { "d", USEC_PER_DAY },
1803 { "w", USEC_PER_WEEK },
1804 { "msec", USEC_PER_MSEC },
1805 { "ms", USEC_PER_MSEC },
1806 { "m", USEC_PER_MINUTE },
1809 { "", USEC_PER_SEC },
1825 l = strtoll(p, &e, 10);
1836 e += strspn(e, WHITESPACE);
1838 for (i = 0; i < ELEMENTSOF(table); i++)
1839 if (startswith(e, table[i].suffix)) {
1840 r += (usec_t) l * table[i].usec;
1841 p = e + strlen(table[i].suffix);
1845 if (i >= ELEMENTSOF(table))
1855 static const char *const ioprio_class_table[] = {
1856 [IOPRIO_CLASS_NONE] = "none",
1857 [IOPRIO_CLASS_RT] = "realtime",
1858 [IOPRIO_CLASS_BE] = "best-effort",
1859 [IOPRIO_CLASS_IDLE] = "idle"
1862 DEFINE_STRING_TABLE_LOOKUP(ioprio_class, int);
1864 static const char *const sigchld_code_table[] = {
1865 [CLD_EXITED] = "exited",
1866 [CLD_KILLED] = "killed",
1867 [CLD_DUMPED] = "dumped",
1868 [CLD_TRAPPED] = "trapped",
1869 [CLD_STOPPED] = "stopped",
1870 [CLD_CONTINUED] = "continued",
1873 DEFINE_STRING_TABLE_LOOKUP(sigchld_code, int);
1875 static const char *const log_facility_table[LOG_NFACILITIES] = {
1876 [LOG_FAC(LOG_KERN)] = "kern",
1877 [LOG_FAC(LOG_USER)] = "user",
1878 [LOG_FAC(LOG_MAIL)] = "mail",
1879 [LOG_FAC(LOG_DAEMON)] = "daemon",
1880 [LOG_FAC(LOG_AUTH)] = "auth",
1881 [LOG_FAC(LOG_SYSLOG)] = "syslog",
1882 [LOG_FAC(LOG_LPR)] = "lpr",
1883 [LOG_FAC(LOG_NEWS)] = "news",
1884 [LOG_FAC(LOG_UUCP)] = "uucp",
1885 [LOG_FAC(LOG_CRON)] = "cron",
1886 [LOG_FAC(LOG_AUTHPRIV)] = "authpriv",
1887 [LOG_FAC(LOG_FTP)] = "ftp",
1888 [LOG_FAC(LOG_LOCAL0)] = "local0",
1889 [LOG_FAC(LOG_LOCAL1)] = "local1",
1890 [LOG_FAC(LOG_LOCAL2)] = "local2",
1891 [LOG_FAC(LOG_LOCAL3)] = "local3",
1892 [LOG_FAC(LOG_LOCAL4)] = "local4",
1893 [LOG_FAC(LOG_LOCAL5)] = "local5",
1894 [LOG_FAC(LOG_LOCAL6)] = "local6",
1895 [LOG_FAC(LOG_LOCAL7)] = "local7"
1898 DEFINE_STRING_TABLE_LOOKUP(log_facility, int);
1900 static const char *const log_level_table[] = {
1901 [LOG_EMERG] = "emerg",
1902 [LOG_ALERT] = "alert",
1903 [LOG_CRIT] = "crit",
1905 [LOG_WARNING] = "warning",
1906 [LOG_NOTICE] = "notice",
1907 [LOG_INFO] = "info",
1908 [LOG_DEBUG] = "debug"
1911 DEFINE_STRING_TABLE_LOOKUP(log_level, int);
1913 static const char* const sched_policy_table[] = {
1914 [SCHED_OTHER] = "other",
1915 [SCHED_BATCH] = "batch",
1916 [SCHED_IDLE] = "idle",
1917 [SCHED_FIFO] = "fifo",
1921 DEFINE_STRING_TABLE_LOOKUP(sched_policy, int);
1923 static const char* const rlimit_table[] = {
1924 [RLIMIT_CPU] = "LimitCPU",
1925 [RLIMIT_FSIZE] = "LimitFSIZE",
1926 [RLIMIT_DATA] = "LimitDATA",
1927 [RLIMIT_STACK] = "LimitSTACK",
1928 [RLIMIT_CORE] = "LimitCORE",
1929 [RLIMIT_RSS] = "LimitRSS",
1930 [RLIMIT_NOFILE] = "LimitNOFILE",
1931 [RLIMIT_AS] = "LimitAS",
1932 [RLIMIT_NPROC] = "LimitNPROC",
1933 [RLIMIT_MEMLOCK] = "LimitMEMLOCK",
1934 [RLIMIT_LOCKS] = "LimitLOCKS",
1935 [RLIMIT_SIGPENDING] = "LimitSIGPENDING",
1936 [RLIMIT_MSGQUEUE] = "LimitMSGQUEUE",
1937 [RLIMIT_NICE] = "LimitNICE",
1938 [RLIMIT_RTPRIO] = "LimitRTPRIO",
1939 [RLIMIT_RTTIME] = "LimitRTTIME"
1942 DEFINE_STRING_TABLE_LOOKUP(rlimit, int);