#include "libudev.h"
#include "libudev-private.h"
+/**
+ * SECTION:libudev-monitor
+ * @short_description: device event source
+ *
+ * Connects to a device event source.
+ */
+
+/**
+ * udev_monitor:
+ *
+ * Opaque object handling one event source.
+ */
struct udev_monitor {
struct udev *udev;
int refcount;
(*i)++;
}
+/**
+ * udev_monitor_filter_update:
+ * @udev_monitor: monitor
+ *
+ * Update the installed filter. This might only be needed, if the filter was removed or changed.
+ *
+ * Returns: 0 on success, otherwise a negative error value.
+ */
int udev_monitor_filter_update(struct udev_monitor *udev_monitor)
{
static struct sock_filter ins[256];
udev_monitor->snl_trusted_sender.nl_pid = sender->snl.nl_pid;
return 0;
}
-
+/**
+ * udev_monitor_enable_receiving:
+ * @udev_monitor: the monitor which should receive events
+ *
+ * Binds the @udev_monitor socket to the event source.
+ *
+ * Returns: 0 on success, otherwise a negative error value.
+ */
int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
{
int err;
/*
* get the address the kernel has assigned us
- * it is usually, but not neccessarily the pid
+ * it is usually, but not necessarily the pid
*/
addrlen = sizeof(struct sockaddr_nl);
err = getsockname(udev_monitor->sock, (struct sockaddr *)&snl, &addrlen);
int action_set = 0;
int maj = 0;
int min = 0;
- int is_kernel = 0;
retry:
if (udev_monitor == NULL)
}
} else if (snl.nl_groups == UDEV_MONITOR_KERNEL) {
if (snl.nl_pid > 0) {
- info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n", snl.nl_pid);
+ info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n",
+ snl.nl_pid);
return NULL;
}
- is_kernel = 1;
}
}
}
}
- udev_device = device_new(udev_monitor->udev);
- if (udev_device == NULL) {
+ udev_device = udev_device_new(udev_monitor->udev);
+ if (udev_device == NULL)
return NULL;
- }
while (bufpos < buflen) {
char *key;
} else if (strncmp(key, "DEVTYPE=", 8) == 0) {
udev_device_set_devtype(udev_device, &key[8]);
} else if (strncmp(key, "DEVNAME=", 8) == 0) {
- if (is_kernel)
- udev_device_set_knodename(udev_device, &key[8]);
- else
+ if (key[8] == '/')
udev_device_set_devnode(udev_device, &key[8]);
+ else
+ udev_device_set_knodename(udev_device, &key[8]);
} else if (strncmp(key, "DEVLINKS=", 9) == 0) {
char devlinks[UTIL_PATH_SIZE];
char *slink;
/*
* Use custom address for target, or the default one.
*
- * If we send to a muticast group, we will get
+ * If we send to a multicast group, we will get
* ECONNREFUSED, which is expected.
*/
if (destination != NULL)
return count;
}
+/**
+ * udev_monitor_filter_add_match_subsystem_devtype:
+ * @udev_monitor: the monitor
+ * @subsystem: the subsystem value to match the incoming devices against
+ * @devtype: the devtype value to match the incoming devices against
+ *
+ * The filter must be installed before the monitor is switched to listening mode.
+ *
+ * Returns: 0 on success, otherwise a negative error value.
+ */
int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype)
{
if (udev_monitor == NULL)
return 0;
}
+/**
+ * udev_monitor_filter_remove:
+ * @udev_monitor: monitor
+ *
+ * Remove all filters from monitor.
+ *
+ * Returns: 0 on success, otherwise a negative error value.
+ */
int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
{
static struct sock_fprog filter = { 0, NULL };