/* Copyright (c) Dovecot authors, see top-level COPYING file */

#include "lib.h"

#include "ioloop-private.h"

#include "ioloop-notify-fd.h"

#if defined(IOLOOP_NOTIFY_INOTIFY)

struct io *io_notify_fd_add(struct ioloop_notify_fd_context *ctx, int fd,

          io_callback_t *callback, void *context)

{

  struct io_notify *io;

  io = i_new(struct io_notify, 1);

  io->io.condition = IO_NOTIFY;

  io->io.callback = callback;

  io->io.context = context;

  io->io.ioloop = current_ioloop;

  io->fd = fd;

  if (ctx->notifies != NULL) {

    ctx->notifies->prev = io;

    io->next = ctx->notifies;

  }

  ctx->notifies = io;

  return &io->io;

}

void io_notify_fd_free(struct ioloop_notify_fd_context *ctx,

           struct io_notify *io)

{

  if (io->prev != NULL)

    io->prev->next = io->next;

  else

    ctx->notifies = io->next;

  if (io->next != NULL)

    io->next->prev = io->prev;

  i_free(io);

}

struct io_notify *

io_notify_fd_find(struct ioloop_notify_fd_context *ctx, int fd)

{

  struct io_notify *io;

  for (io = ctx->notifies; io != NULL; io = io->next) {

    if (io->fd == fd)

      return io;

  }

  return NULL;

}

#endif