2 * Copyright (C) 2003-2010 Kay Sievers <kay.sievers@vrfy.org>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include <sys/ioctl.h>
29 #include <sys/prctl.h>
31 #include <sys/epoll.h>
33 #include <sys/socket.h>
34 #include <sys/signalfd.h>
35 #include <linux/sockios.h>
39 struct udev_event *udev_event_new(struct udev_device *dev)
41 struct udev *udev = udev_device_get_udev(dev);
42 struct udev_event *event;
44 event = calloc(1, sizeof(struct udev_event));
49 udev_list_init(udev, &event->run_list, false);
50 event->fd_signal = -1;
51 event->birth_usec = now_usec();
52 event->timeout_usec = 30 * 1000 * 1000;
53 dbg(event->udev, "allocated event %p\n", event);
57 void udev_event_unref(struct udev_event *event)
61 udev_list_cleanup(&event->run_list);
62 free(event->program_result);
64 dbg(event->udev, "free event %p\n", event);
68 size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size)
70 struct udev_device *dev = event->dev;
90 static const struct subst_map {
95 { .name = "devnode", .fmt = 'N', .type = SUBST_DEVNODE },
96 { .name = "tempnode", .fmt = 'N', .type = SUBST_DEVNODE },
97 { .name = "attr", .fmt = 's', .type = SUBST_ATTR },
98 { .name = "sysfs", .fmt = 's', .type = SUBST_ATTR },
99 { .name = "env", .fmt = 'E', .type = SUBST_ENV },
100 { .name = "kernel", .fmt = 'k', .type = SUBST_KERNEL },
101 { .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER },
102 { .name = "driver", .fmt = 'd', .type = SUBST_DRIVER },
103 { .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH },
104 { .name = "id", .fmt = 'b', .type = SUBST_ID },
105 { .name = "major", .fmt = 'M', .type = SUBST_MAJOR },
106 { .name = "minor", .fmt = 'm', .type = SUBST_MINOR },
107 { .name = "result", .fmt = 'c', .type = SUBST_RESULT },
108 { .name = "parent", .fmt = 'P', .type = SUBST_PARENT },
109 { .name = "name", .fmt = 'D', .type = SUBST_NAME },
110 { .name = "links", .fmt = 'L', .type = SUBST_LINKS },
111 { .name = "root", .fmt = 'r', .type = SUBST_ROOT },
112 { .name = "sys", .fmt = 'S', .type = SUBST_SYS },
123 enum subst_type type = SUBST_UNKNOWN;
124 char attrbuf[UTIL_PATH_SIZE];
127 while (from[0] != '\0') {
128 if (from[0] == '$') {
129 /* substitute named variable */
132 if (from[1] == '$') {
137 for (i = 0; i < ARRAY_SIZE(map); i++) {
138 if (strncmp(&from[1], map[i].name, strlen(map[i].name)) == 0) {
140 from += strlen(map[i].name)+1;
141 dbg(event->udev, "will substitute format name '%s'\n", map[i].name);
145 } else if (from[0] == '%') {
146 /* substitute format char */
149 if (from[1] == '%') {
154 for (i = 0; i < ARRAY_SIZE(map); i++) {
155 if (from[1] == map[i].fmt) {
158 dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt);
175 /* extract possible $format{attr} */
176 if (from[0] == '{') {
180 for (i = 0; from[i] != '}'; i++) {
181 if (from[i] == '\0') {
182 err(event->udev, "missing closing brace for format '%s'\n", src);
186 if (i >= sizeof(attrbuf))
188 memcpy(attrbuf, from, i);
198 l = util_strpcpy(&s, l, udev_device_get_devpath(dev));
199 dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev));
202 l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
203 dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev));
205 case SUBST_KERNEL_NUMBER:
206 if (udev_device_get_sysnum(dev) == NULL)
208 l = util_strpcpy(&s, l, udev_device_get_sysnum(dev));
209 dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev));
212 if (event->dev_parent == NULL)
214 l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent));
215 dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
220 if (event->dev_parent == NULL)
223 driver = udev_device_get_driver(event->dev_parent);
226 l = util_strpcpy(&s, l, driver);
227 dbg(event->udev, "substitute driver '%s'\n", driver);
231 char num[UTIL_PATH_SIZE];
233 sprintf(num, "%d", major(udev_device_get_devnum(dev)));
234 l = util_strpcpy(&s, l, num);
235 dbg(event->udev, "substitute major number '%s'\n", num);
239 char num[UTIL_PATH_SIZE];
241 sprintf(num, "%d", minor(udev_device_get_devnum(dev)));
242 l = util_strpcpy(&s, l, num);
243 dbg(event->udev, "substitute minor number '%s'\n", num);
250 if (event->program_result == NULL)
252 /* get part part of the result string */
255 i = strtoul(attr, &rest, 10);
257 char result[UTIL_PATH_SIZE];
258 char tmp[UTIL_PATH_SIZE];
261 dbg(event->udev, "request part #%d of result string\n", i);
262 util_strscpy(result, sizeof(result), event->program_result);
265 while (cpos[0] != '\0' && !isspace(cpos[0]))
267 while (isspace(cpos[0]))
271 err(event->udev, "requested part of result string not found\n");
274 util_strscpy(tmp, sizeof(tmp), cpos);
275 /* %{2+}c copies the whole string from the second part on */
276 if (rest[0] != '+') {
277 cpos = strchr(tmp, ' ');
281 l = util_strpcpy(&s, l, tmp);
282 dbg(event->udev, "substitute part of result string '%s'\n", tmp);
284 l = util_strpcpy(&s, l, event->program_result);
285 dbg(event->udev, "substitute result string '%s'\n", event->program_result);
290 const char *value = NULL;
291 char vbuf[UTIL_NAME_SIZE];
296 err(event->udev, "missing file parameter for attr\n");
300 /* try to read the value specified by "[dmi/id]product_name" */
301 if (util_resolve_subsys_kernel(event->udev, attr, vbuf, sizeof(vbuf), 1) == 0)
304 /* try to read the attribute the device */
306 value = udev_device_get_sysattr_value(event->dev, attr);
308 /* try to read the attribute of the parent device, other matches have selected */
309 if (value == NULL && event->dev_parent != NULL && event->dev_parent != event->dev)
310 value = udev_device_get_sysattr_value(event->dev_parent, attr);
315 /* strip trailing whitespace, and replace unwanted characters */
317 util_strscpy(vbuf, sizeof(vbuf), value);
319 while (len > 0 && isspace(vbuf[--len]))
321 count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT);
323 info(event->udev, "%i character(s) replaced\n" , count);
324 l = util_strpcpy(&s, l, vbuf);
325 dbg(event->udev, "substitute sysfs value '%s'\n", vbuf);
329 struct udev_device *dev_parent;
332 dev_parent = udev_device_get_parent(event->dev);
333 if (dev_parent == NULL)
335 devnode = udev_device_get_devnode(dev_parent);
336 if (devnode != NULL) {
337 size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
339 l = util_strpcpy(&s, l, &devnode[devlen]);
340 dbg(event->udev, "found parent '%s', got node name '%s'\n",
341 udev_device_get_syspath(dev_parent), &devnode[devlen]);
346 if (udev_device_get_devnode(dev) != NULL)
347 l = util_strpcpy(&s, l, udev_device_get_devnode(dev));
350 if (event->name != NULL) {
351 l = util_strpcpy(&s, l, event->name);
352 dbg(event->udev, "substitute name '%s'\n", event->name);
354 l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
355 dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev));
359 size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
360 struct udev_list_entry *list_entry;
362 list_entry = udev_device_get_devlinks_list_entry(dev);
363 if (list_entry == NULL)
365 l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]);
366 udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
367 l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
371 l = util_strpcpy(&s, l, udev_get_dev_path(event->udev));
372 dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev));
375 l = util_strpcpy(&s, l, udev_get_sys_path(event->udev));
376 dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev));
380 dbg(event->udev, "missing attribute\n");
385 value = udev_device_get_property_value(event->dev, attr);
388 dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
389 l = util_strpcpy(&s, l, value);
393 err(event->udev, "unknown substitution type=%i\n", type);
400 dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l);
404 static int spawn_exec(struct udev_event *event,
405 const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask,
406 int fd_stdout, int fd_stderr)
408 struct udev *udev = event->udev;
412 /* discard child output or connect to pipe */
413 fd = open("/dev/null", O_RDWR);
415 dup2(fd, STDIN_FILENO);
417 dup2(fd, STDOUT_FILENO);
419 dup2(fd, STDERR_FILENO);
422 err(udev, "open /dev/null failed: %m\n");
425 /* connect pipes to std{out,err} */
426 if (fd_stdout >= 0) {
427 dup2(fd_stdout, STDOUT_FILENO);
430 if (fd_stderr >= 0) {
431 dup2(fd_stderr, STDERR_FILENO);
435 /* terminate child in case parent goes away */
436 prctl(PR_SET_PDEATHSIG, SIGTERM);
438 /* restore original udev sigmask before exec */
440 sigprocmask(SIG_SETMASK, sigmask, NULL);
442 execve(argv[0], argv, envp);
446 err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd);
450 static void spawn_read(struct udev_event *event,
452 int fd_stdout, int fd_stderr,
453 char *result, size_t ressize)
455 struct udev *udev = event->udev;
458 struct epoll_event ep_outpipe, ep_errpipe;
460 /* read from child if requested */
461 if (fd_stdout < 0 && fd_stderr < 0)
464 fd_ep = epoll_create1(EPOLL_CLOEXEC);
466 err(udev, "error creating epoll fd: %m\n");
470 if (fd_stdout >= 0) {
471 memset(&ep_outpipe, 0, sizeof(struct epoll_event));
472 ep_outpipe.events = EPOLLIN;
473 ep_outpipe.data.ptr = &fd_stdout;
474 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) {
475 err(udev, "fail to add fd to epoll: %m\n");
480 if (fd_stderr >= 0) {
481 memset(&ep_errpipe, 0, sizeof(struct epoll_event));
482 ep_errpipe.events = EPOLLIN;
483 ep_errpipe.data.ptr = &fd_stderr;
484 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) {
485 err(udev, "fail to add fd to epoll: %m\n");
490 /* read child output */
491 while (fd_stdout >= 0 || fd_stderr >= 0) {
494 struct epoll_event ev[4];
497 if (event->timeout_usec > 0) {
498 unsigned long long age_usec;
500 age_usec = now_usec() - event->birth_usec;
501 if (age_usec >= event->timeout_usec) {
502 err(udev, "timeout '%s'\n", cmd);
505 timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
510 fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout);
514 err(udev, "failed to poll: %m\n");
518 err(udev, "timeout '%s'\n", cmd);
522 for (i = 0; i < fdcount; i++) {
523 int *fd = (int *)ev[i].data.ptr;
525 if (ev[i].events & EPOLLIN) {
529 count = read(*fd, buf, sizeof(buf)-1);
534 /* store stdout result */
535 if (result != NULL && *fd == fd_stdout) {
536 if (respos + count < ressize) {
537 memcpy(&result[respos], buf, count);
540 err(udev, "'%s' ressize %zd too short\n", cmd, ressize);
544 /* log debug output only if we watch stderr */
545 if (fd_stderr >= 0) {
550 while ((line = strsep(&pos, "\n"))) {
551 if (pos != NULL || line[0] != '\0')
552 info(udev, "'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line);
555 } else if (ev[i].events & EPOLLHUP) {
556 if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) {
557 err(udev, "failed to remove fd from epoll: %m\n");
565 /* return the child's stdout string */
566 if (result != NULL) {
567 result[respos] = '\0';
568 dbg(udev, "result='%s'\n", result);
575 static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid)
577 struct udev *udev = event->udev;
578 struct pollfd pfd[1];
581 pfd[0].events = POLLIN;
582 pfd[0].fd = event->fd_signal;
588 if (event->timeout_usec > 0) {
589 unsigned long long age_usec;
591 age_usec = now_usec() - event->birth_usec;
592 if (age_usec >= event->timeout_usec)
595 timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
600 fdcount = poll(pfd, 1, timeout);
605 err(udev, "failed to poll: %m\n");
609 err(udev, "timeout: killing '%s' [%u]\n", cmd, pid);
613 if (pfd[0].revents & POLLIN) {
614 struct signalfd_siginfo fdsi;
618 size = read(event->fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
619 if (size != sizeof(struct signalfd_siginfo))
622 switch (fdsi.ssi_signo) {
624 event->sigterm = true;
627 if (waitpid(pid, &status, WNOHANG) < 0)
629 if (WIFEXITED(status)) {
630 info(udev, "'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status));
631 if (WEXITSTATUS(status) != 0)
633 } else if (WIFSIGNALED(status)) {
634 err(udev, "'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
636 } else if (WIFSTOPPED(status)) {
637 err(udev, "'%s' [%u] stopped\n", cmd, pid);
639 } else if (WIFCONTINUED(status)) {
640 err(udev, "'%s' [%u] continued\n", cmd, pid);
643 err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status);
655 int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[])
660 if (strchr(cmd, ' ') == NULL) {
666 while (pos != NULL && pos[0] != '\0') {
667 if (pos[0] == '\'') {
668 /* do not separate quotes */
670 argv[i] = strsep(&pos, "\'");
672 while (pos[0] == ' ')
675 argv[i] = strsep(&pos, " ");
677 while (pos[0] == ' ')
680 dbg(udev, "argv[%i] '%s'\n", i, argv[i]);
690 int udev_event_spawn(struct udev_event *event,
691 const char *cmd, char **envp, const sigset_t *sigmask,
692 char *result, size_t ressize)
694 struct udev *udev = event->udev;
695 int outpipe[2] = {-1, -1};
696 int errpipe[2] = {-1, -1};
698 char arg[UTIL_PATH_SIZE];
700 char program[UTIL_PATH_SIZE];
703 util_strscpy(arg, sizeof(arg), cmd);
704 udev_build_argv(event->udev, arg, NULL, argv);
706 /* pipes from child to parent */
707 if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) {
708 if (pipe2(outpipe, O_NONBLOCK) != 0) {
710 err(udev, "pipe failed: %m\n");
714 if (udev_get_log_priority(udev) >= LOG_INFO) {
715 if (pipe2(errpipe, O_NONBLOCK) != 0) {
717 err(udev, "pipe failed: %m\n");
722 /* allow programs in /usr/lib/udev/ to be called without the path */
723 if (argv[0][0] != '/') {
724 util_strscpyl(program, sizeof(program), PKGLIBEXECDIR "/", argv[0], NULL);
731 /* child closes parent's ends of pipes */
732 if (outpipe[READ_END] >= 0) {
733 close(outpipe[READ_END]);
734 outpipe[READ_END] = -1;
736 if (errpipe[READ_END] >= 0) {
737 close(errpipe[READ_END]);
738 errpipe[READ_END] = -1;
741 info(udev, "starting '%s'\n", cmd);
743 err = spawn_exec(event, cmd, argv, envp, sigmask,
744 outpipe[WRITE_END], errpipe[WRITE_END]);
748 err(udev, "fork of '%s' failed: %m\n", cmd);
752 /* parent closed child's ends of pipes */
753 if (outpipe[WRITE_END] >= 0) {
754 close(outpipe[WRITE_END]);
755 outpipe[WRITE_END] = -1;
757 if (errpipe[WRITE_END] >= 0) {
758 close(errpipe[WRITE_END]);
759 errpipe[WRITE_END] = -1;
762 spawn_read(event, cmd,
763 outpipe[READ_END], errpipe[READ_END],
766 err = spawn_wait(event, cmd, pid);
770 if (outpipe[READ_END] >= 0)
771 close(outpipe[READ_END]);
772 if (outpipe[WRITE_END] >= 0)
773 close(outpipe[WRITE_END]);
774 if (errpipe[READ_END] >= 0)
775 close(errpipe[READ_END]);
776 if (errpipe[WRITE_END] >= 0)
777 close(errpipe[WRITE_END]);
781 static void rename_netif_kernel_log(struct ifreq ifr)
786 klog = open("/dev/kmsg", O_WRONLY);
790 f = fdopen(klog, "w");
796 fprintf(f, "<30>udevd[%u]: renamed network interface %s to %s\n",
797 getpid(), ifr.ifr_name, ifr.ifr_newname);
801 static int rename_netif(struct udev_event *event)
803 struct udev_device *dev = event->dev;
809 info(event->udev, "changing net interface name from '%s' to '%s'\n",
810 udev_device_get_sysname(dev), event->name);
812 sk = socket(PF_INET, SOCK_DGRAM, 0);
815 err(event->udev, "error opening socket: %m\n");
819 memset(&ifr, 0x00, sizeof(struct ifreq));
820 util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev));
821 util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
822 err = ioctl(sk, SIOCSIFNAME, &ifr);
824 rename_netif_kernel_log(ifr);
828 /* keep trying if the destination interface name already exists */
833 /* free our own name, another process may wait for us */
834 snprintf(ifr.ifr_newname, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev));
835 err = ioctl(sk, SIOCSIFNAME, &ifr);
841 /* log temporary name */
842 rename_netif_kernel_log(ifr);
844 /* wait a maximum of 90 seconds for our target to become available */
845 util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname);
846 util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
849 const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 };
851 dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
852 event->name, (90 * 20) - loop);
853 nanosleep(&duration, NULL);
855 err = ioctl(sk, SIOCSIFNAME, &ifr);
857 rename_netif_kernel_log(ifr);
867 err(event->udev, "error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname);
872 int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigmask)
874 struct udev_device *dev = event->dev;
877 if (udev_device_get_subsystem(dev) == NULL)
880 if (strcmp(udev_device_get_action(dev), "remove") == 0) {
881 udev_device_read_db(dev, NULL);
882 udev_device_delete_db(dev);
883 udev_device_tag_index(dev, NULL, false);
885 if (major(udev_device_get_devnum(dev)) != 0)
886 udev_watch_end(event->udev, dev);
888 udev_rules_apply_to_event(rules, event, sigmask);
890 if (major(udev_device_get_devnum(dev)) != 0)
891 err = udev_node_remove(dev);
893 event->dev_db = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev));
894 if (event->dev_db != NULL) {
895 udev_device_read_db(event->dev_db, NULL);
896 udev_device_set_info_loaded(event->dev_db);
898 /* disable watch during event processing */
899 if (major(udev_device_get_devnum(dev)) != 0)
900 udev_watch_end(event->udev, event->dev_db);
903 udev_rules_apply_to_event(rules, event, sigmask);
905 /* rename a new network interface, if needed */
906 if (udev_device_get_ifindex(dev) > 0 && strcmp(udev_device_get_action(dev), "add") == 0 &&
907 event->name != NULL && strcmp(event->name, udev_device_get_sysname(dev)) != 0) {
908 char syspath[UTIL_PATH_SIZE];
911 err = rename_netif(event);
913 info(event->udev, "renamed netif to '%s'\n", event->name);
915 /* remember old name */
916 udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
918 /* now change the devpath, because the kernel device name has changed */
919 util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev));
920 pos = strrchr(syspath, '/');
923 util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name);
924 udev_device_set_syspath(event->dev, syspath);
925 udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
926 info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
931 if (major(udev_device_get_devnum(dev)) != 0) {
932 /* remove/update possible left-over symlinks from old database entry */
933 if (event->dev_db != NULL)
934 udev_node_update_old_links(dev, event->dev_db);
936 if (!event->mode_set) {
937 if (udev_device_get_devnode_mode(dev) > 0) {
938 /* kernel supplied value */
939 event->mode = udev_device_get_devnode_mode(dev);
940 } else if (event->gid > 0) {
941 /* default 0660 if a group is assigned */
949 err = udev_node_add(dev, event->mode, event->uid, event->gid);
952 /* preserve old, or get new initialization timestamp */
953 if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0)
954 udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db));
955 else if (udev_device_get_usec_initialized(event->dev) == 0)
956 udev_device_set_usec_initialized(event->dev, now_usec());
958 /* (re)write database file */
959 udev_device_update_db(dev);
960 udev_device_tag_index(dev, event->dev_db, true);
961 udev_device_set_is_initialized(dev);
963 udev_device_unref(event->dev_db);
964 event->dev_db = NULL;
970 int udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask)
972 struct udev_list_entry *list_entry;
975 dbg(event->udev, "executing run list\n");
976 udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
977 const char *cmd = udev_list_entry_get_name(list_entry);
979 if (strncmp(cmd, "socket:", strlen("socket:")) == 0) {
980 struct udev_monitor *monitor;
982 monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]);
985 udev_monitor_send_device(monitor, NULL, event->dev);
986 udev_monitor_unref(monitor);
988 char program[UTIL_PATH_SIZE];
991 if (event->exec_delay > 0) {
992 info(event->udev, "delay execution of '%s'\n", program);
993 sleep(event->exec_delay);
996 udev_event_apply_format(event, cmd, program, sizeof(program));
997 envp = udev_device_get_properties_envp(event->dev);
998 if (udev_event_spawn(event, program, envp, sigmask, NULL, 0) < 0) {
999 if (udev_list_entry_get_num(list_entry))