diff options
Diffstat (limited to 'src/fdtable.h')
-rw-r--r-- | src/fdtable.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/fdtable.h b/src/fdtable.h new file mode 100644 index 00000000..6038b249 --- /dev/null +++ b/src/fdtable.h @@ -0,0 +1,43 @@ +/* fdtable.h - Keep track of file descriptors. + * Copyright (C) 2019 g10 Code GmbH + * + * This file is part of GPGME. + * + * GPGME is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * GPGME is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <https://gnu.org/licenses/>. + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#ifndef GPGME_FDTABLE_H +#define GPGME_FDTABLE_H + +/* The handler type associated with an FD. It is called with the FD + * and the registered pointer. The handler may return an error code + * but there is no guarantee that this code is used; in particular + * errors from close notifications can't inhibit the the closing. */ +typedef gpg_error_t (*fdtable_handler_t) (int, void*); + + +/* Insert a new FD into the table. */ +gpg_error_t _gpgme_fdtable_insert (int fd); + +/* Add a close notification handler to the FD item. */ +gpg_error_t _gpgme_fdtable_add_close_notify (int fd, + fdtable_handler_t handler, + void *value); + +/* Remove FD from the table. This also runs the close handlers. */ +gpg_error_t _gpgme_fdtable_remove (int fd); + + +#endif /*GPGME_FDTABLE_H*/ |