src/lib/ioloop-notify-fd.h

#ifndef IOLOOP_NOTIFY_FD_H
#define IOLOOP_NOTIFY_FD_H

/* common notify code for fd-based notifications (dnotify, inotify) */

struct io_notify {
    struct io io;

    /* use a doubly linked list so that io_remove() is quick */
    struct io_notify *prev, *next;

    int fd;
};

struct ioloop_notify_fd_context {
    struct io_notify *notifies;
};

struct io *
io_notify_fd_add(struct ioloop_notify_fd_context *ctx, int fd,
         io_callback_t *callback, void *context) ATTR_NULL(4);
void io_notify_fd_free(struct ioloop_notify_fd_context *ctx,
               struct io_notify *io);

struct io_notify *
io_notify_fd_find(struct ioloop_notify_fd_context *ctx, int fd);

#endif