#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;
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;
+ sd_rtnl_unref(event->rtnl);
udev_list_cleanup(&event->run_list);
udev_list_cleanup(&event->seclabel_list);
free(event->program_result);
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,
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;
}
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;
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;
}
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,
+ usec_t timeout_warn_usec,
+ const char *cmd, pid_t pid) {
struct pollfd pfd[1];
int err = 0;
while (pid > 0) {
int timeout;
+ int timeout_warn = 0;
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;
+ else {
+ if (timeout_warn_usec > 0)
+ timeout_warn = ((timeout_warn_usec - age_usec) / USEC_PER_MSEC) + MSEC_PER_SEC;
+
+ timeout = ((timeout_usec - timeout_warn_usec - age_usec) / USEC_PER_MSEC) + MSEC_PER_SEC;
+ }
} else {
timeout = -1;
}
- fdcount = poll(pfd, 1, timeout);
+ fdcount = poll(pfd, 1, timeout_warn);
if (fdcount < 0) {
if (errno == EINTR)
continue;
goto out;
}
if (fdcount == 0) {
- log_error("timeout: killing '%s' [%u]", cmd, pid);
- kill(pid, SIGKILL);
+ log_warning("slow: '%s' [%u]", cmd, pid);
+
+ fdcount = poll(pfd, 1, timeout);
+ if (fdcount < 0) {
+ if (errno == EINTR)
+ continue;
+ err = -errno;
+ log_error("failed to poll: %m");
+ goto out;
+ }
+ if (fdcount == 0) {
+ log_error("timeout: killing '%s' [%u]", cmd, pid);
+ kill(pid, SIGKILL);
+ }
}
if (pfd[0].revents & POLLIN) {
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;
}
int udev_event_spawn(struct udev_event *event,
+ usec_t timeout_usec,
+ usec_t timeout_warn_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};
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, timeout_warn_usec, cmd, pid);
}
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];
const char *oldname;
int r;
oldname = udev_device_get_sysname(dev);
- log_debug("changing net interface name from '%s' to '%s'",
- oldname, event->name);
-
strscpy(name, IFNAMSIZ, event->name);
- r = sd_rtnl_open(&rtnl, 0);
- if (r < 0)
+ r = rtnl_set_link_name(&event->rtnl, udev_device_get_ifindex(dev), name);
+ if (r < 0) {
+ log_error("error changing net interface name '%s' to '%s': %s",
+ oldname, name, strerror(-r));
return r;
+ }
- r = rtnl_set_link_name(rtnl, udev_device_get_ifindex(dev), name);
- if (r < 0)
- log_error("error changing net interface name %s to %s: %s",
- oldname, name, strerror(-r));
- else
- print_kmsg("renamed network interface %s to %s\n", oldname, name);
+ log_debug("renamed network interface '%s' to '%s'\n", oldname, name);
- return r;
+ return 0;
}
-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,
+ usec_t timeout_warn_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);
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, timeout_warn_usec, sigmask);
if (major(udev_device_get_devnum(dev)) != 0)
udev_node_remove(dev);
udev_watch_end(event->udev, event->dev_db);
}
- udev_rules_apply_to_event(rules, event, sigmask);
+ if (major(udev_device_get_devnum(dev)) == 0 &&
+ streq(udev_device_get_action(dev), "move")) {
+ struct udev_list_entry *entry;
+
+ for ((entry = udev_device_get_properties_list_entry(event->dev_db)); entry; entry = udev_list_entry_get_next(entry)) {
+ const char *key, *value;
+ struct udev_list_entry *property;
+
+ key = udev_list_entry_get_name(entry);
+ value = udev_list_entry_get_value(entry);
+
+ property = udev_device_add_property(event->dev, key, value);
+ udev_list_entry_set_num(property, true);
+ }
+ }
+
+ udev_rules_apply_to_event(rules, event, timeout_usec, timeout_warn_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) {
- log_debug("renamed netif to '%s'", event->name);
-
+ r = rename_netif(event);
+ if (r >= 0) {
/* remember old name */
udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
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, usec_t timeout_warn_usec, const sigset_t *sigmask) {
struct udev_list_entry *list_entry;
udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
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, timeout_warn_usec, program, envp, sigmask, NULL, 0);
}
}
}
~ianmdlvl / elogind.git / blobdiff