X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fudev%2Fudev-event.c;h=00cd6d47dba4f60fe458df53395ed95b016deb61;hb=464cf22f17e0cf2d8bfa6d72b5e7a662d634f149;hp=5998be2f77862dce55a2b1c8a185cad763a100f7;hpb=66390abefae6530981446970ffd7ff4d1085e254;p=elogind.git diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c index 5998be2f7..00cd6d47d 100644 --- a/src/udev/udev-event.c +++ b/src/udev/udev-event.c @@ -34,8 +34,7 @@ #include "udev.h" #include "rtnl-util.h" -struct udev_event *udev_event_new(struct udev_device *dev) -{ +struct udev_event *udev_event_new(struct udev_device *dev) { struct udev *udev = udev_device_get_udev(dev); struct udev_event *event; @@ -48,12 +47,10 @@ struct udev_event *udev_event_new(struct udev_device *dev) udev_list_init(udev, &event->seclabel_list, false); event->fd_signal = -1; event->birth_usec = now(CLOCK_MONOTONIC); - event->timeout_usec = 30 * 1000 * 1000; return event; } -void udev_event_unref(struct udev_event *event) -{ +void udev_event_unref(struct udev_event *event) { if (event == NULL) return; udev_list_cleanup(&event->run_list); @@ -63,8 +60,7 @@ void udev_event_unref(struct udev_event *event) free(event); } -size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size) -{ +size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size) { struct udev_device *dev = event->dev; enum subst_type { SUBST_UNKNOWN, @@ -378,8 +374,7 @@ out: static int spawn_exec(struct udev_event *event, const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask, - int fd_stdout, int fd_stderr) -{ + int fd_stdout, int fd_stderr) { int err; int fd; @@ -422,10 +417,10 @@ static int spawn_exec(struct udev_event *event, } static void spawn_read(struct udev_event *event, - const char *cmd, - int fd_stdout, int fd_stderr, - char *result, size_t ressize) -{ + usec_t timeout_usec, + const char *cmd, + int fd_stdout, int fd_stderr, + char *result, size_t ressize) { size_t respos = 0; int fd_ep = -1; struct epoll_event ep_outpipe, ep_errpipe; @@ -467,15 +462,15 @@ static void spawn_read(struct udev_event *event, struct epoll_event ev[4]; int i; - if (event->timeout_usec > 0) { + if (timeout_usec > 0) { usec_t age_usec; age_usec = now(CLOCK_MONOTONIC) - event->birth_usec; - if (age_usec >= event->timeout_usec) { + if (age_usec >= timeout_usec) { log_error("timeout '%s'", cmd); goto out; } - timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; + timeout = ((timeout_usec - age_usec) / USEC_PER_MSEC) + MSEC_PER_SEC; } else { timeout = -1; } @@ -543,8 +538,9 @@ out: close(fd_ep); } -static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid) -{ +static int spawn_wait(struct udev_event *event, + usec_t timeout_usec, + const char *cmd, pid_t pid) { struct pollfd pfd[1]; int err = 0; @@ -555,14 +551,14 @@ static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid) int timeout; int fdcount; - if (event->timeout_usec > 0) { + if (timeout_usec > 0) { usec_t age_usec; age_usec = now(CLOCK_MONOTONIC) - event->birth_usec; - if (age_usec >= event->timeout_usec) + if (age_usec >= timeout_usec) timeout = 1000; else - timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; + timeout = ((timeout_usec - age_usec) / USEC_PER_MSEC) + MSEC_PER_SEC; } else { timeout = -1; } @@ -622,8 +618,7 @@ out: return err; } -int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]) -{ +int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]) { int i = 0; char *pos; @@ -657,9 +652,9 @@ out: } int udev_event_spawn(struct udev_event *event, + usec_t timeout_usec, const char *cmd, char **envp, const sigset_t *sigmask, - char *result, size_t ressize) -{ + char *result, size_t ressize) { struct udev *udev = event->udev; int outpipe[2] = {-1, -1}; int errpipe[2] = {-1, -1}; @@ -728,11 +723,13 @@ int udev_event_spawn(struct udev_event *event, errpipe[WRITE_END] = -1; } - spawn_read(event, cmd, - outpipe[READ_END], errpipe[READ_END], - result, ressize); + spawn_read(event, + timeout_usec, + cmd, + outpipe[READ_END], errpipe[READ_END], + result, ressize); - err = spawn_wait(event, cmd, pid); + err = spawn_wait(event, timeout_usec, cmd, pid); } out: @@ -747,8 +744,7 @@ out: return err; } -static int rename_netif(struct udev_event *event) -{ +static int rename_netif(struct udev_event *event) { struct udev_device *dev = event->dev; _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; char name[IFNAMSIZ]; @@ -771,18 +767,18 @@ static int rename_netif(struct udev_event *event) log_error("error changing net interface name %s to %s: %s", oldname, name, strerror(-r)); else - print_kmsg("renamed network interface %s to %s", oldname, name); + print_kmsg("renamed network interface %s to %s\n", oldname, name); return r; } -int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigmask) -{ +void udev_event_execute_rules(struct udev_event *event, + usec_t timeout_usec, + struct udev_rules *rules, const sigset_t *sigmask) { struct udev_device *dev = event->dev; - int err = 0; if (udev_device_get_subsystem(dev) == NULL) - return -1; + return; if (streq(udev_device_get_action(dev), "remove")) { udev_device_read_db(dev, NULL); @@ -792,7 +788,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, if (major(udev_device_get_devnum(dev)) != 0) udev_watch_end(event->udev, dev); - udev_rules_apply_to_event(rules, event, sigmask); + udev_rules_apply_to_event(rules, event, timeout_usec, sigmask); if (major(udev_device_get_devnum(dev)) != 0) udev_node_remove(dev); @@ -809,16 +805,17 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, udev_watch_end(event->udev, event->dev_db); } - udev_rules_apply_to_event(rules, event, sigmask); + udev_rules_apply_to_event(rules, event, timeout_usec, sigmask); /* rename a new network interface, if needed */ if (udev_device_get_ifindex(dev) > 0 && streq(udev_device_get_action(dev), "add") && event->name != NULL && !streq(event->name, udev_device_get_sysname(dev))) { char syspath[UTIL_PATH_SIZE]; char *pos; + int r; - err = rename_netif(event); - if (err == 0) { + r = rename_netif(event); + if (r >= 0) { log_debug("renamed netif to '%s'", event->name); /* remember old name */ @@ -881,11 +878,9 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, udev_device_unref(event->dev_db); event->dev_db = NULL; } - return err; } -void udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask) -{ +void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, const sigset_t *sigmask) { struct udev_list_entry *list_entry; udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) { @@ -908,7 +903,7 @@ void udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask) udev_event_apply_format(event, cmd, program, sizeof(program)); envp = udev_device_get_properties_envp(event->dev); - udev_event_spawn(event, program, envp, sigmask, NULL, 0); + udev_event_spawn(event, timeout_usec, program, envp, sigmask, NULL, 0); } } }