118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "udev.h"
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struct udev_monitor
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{
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struct udev *udev;
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int refcount;
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int fd[2];
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};
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UDEV_EXPORT struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor)
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{
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return (void *)1;
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}
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UDEV_EXPORT int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
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{
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return 0;
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}
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UDEV_EXPORT int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size)
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{
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return 0;
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}
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UDEV_EXPORT int udev_monitor_get_fd(struct udev_monitor *udev_monitor)
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{
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return udev_monitor ? udev_monitor->fd[0] : -1;
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}
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UDEV_EXPORT struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor)
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{
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return udev_monitor ? udev_monitor->udev : NULL;
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}
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UDEV_EXPORT int udev_monitor_filter_update(struct udev_monitor *udev_monitor)
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{
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return 0;
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}
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UDEV_EXPORT int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
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{
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return 0;
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}
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UDEV_EXPORT int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype)
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{
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return 0;
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}
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UDEV_EXPORT int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag)
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{
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return 0;
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}
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UDEV_EXPORT struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name)
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{
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struct udev_monitor *udev_monitor;
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int i;
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if (!udev || !name) {
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return NULL;
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}
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udev_monitor = calloc(1, sizeof(struct udev_monitor));
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if (!udev_monitor) {
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return NULL;
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}
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// TODO better no-op, HELP WANTED !
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if (pipe(udev_monitor->fd) == -1) {
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free(udev_monitor);
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return NULL;
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}
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for (i = 0; i < 2; i++) {
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fcntl(udev_monitor->fd[i], F_SETFD, FD_CLOEXEC | O_NONBLOCK);
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}
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udev_monitor->refcount = 1;
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udev_monitor->udev = udev;
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return udev_monitor;
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}
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UDEV_EXPORT struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor)
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{
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if (!udev_monitor) {
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return NULL;
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}
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udev_monitor->refcount++;
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return udev_monitor;
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}
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UDEV_EXPORT struct udev_monitor *udev_monitor_unref(struct udev_monitor *udev_monitor)
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{
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int i;
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if (!udev_monitor) {
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return NULL;
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}
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if (--udev_monitor->refcount > 0) {
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return NULL;
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}
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for (i = 0; i < 2; i++) {
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close(udev_monitor->fd[i]);
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}
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free(udev_monitor);
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return NULL;
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}
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