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/* 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*/
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