gpgme/gpgme/wait.h
2003-05-18 21:08:43 +00:00

80 lines
2.3 KiB
C

/* wait.h - Definitions for the wait queue interface.
Copyright (C) 2000 Werner Koch (dd9jn)
Copyright (C) 2001, 2002, 2003 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 General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GPGME; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef WAIT_H
#define WAIT_H
#include "gpgme.h"
#include "sema.h"
struct fd_table
{
struct io_select_fd_s *fds;
size_t size;
};
typedef struct fd_table *fd_table_t;
/* Wait items are hooked into the io_select_fd_s to connect an fd with
a callback handler. */
struct wait_item_s
{
gpgme_ctx_t ctx;
gpgme_io_cb_t handler;
void *handler_value;
int dir;
};
/* A registered fd handler is removed later using the tag that
identifies it. */
struct tag
{
/* The context for which the fd was registered. */
gpgme_ctx_t ctx;
/* The index into the fd table for this context. */
int idx;
/* This is used by the wrappers for the user event loop. */
void *user_tag;
};
void _gpgme_fd_table_init (fd_table_t fdt);
void _gpgme_fd_table_deinit (fd_table_t fdt);
gpgme_error_t _gpgme_add_io_cb (void *data, int fd, int dir,
gpgme_io_cb_t fnc, void *fnc_data, void **r_tag);
void _gpgme_remove_io_cb (void *tag);
void _gpgme_wait_private_event_cb (void *data, gpgme_event_io_t type,
void *type_data);
void _gpgme_wait_global_event_cb (void *data, gpgme_event_io_t type,
void *type_data);
gpgme_error_t _gpgme_wait_user_add_io_cb (void *data, int fd, int dir,
gpgme_io_cb_t fnc, void *fnc_data,
void **r_tag);
void _gpgme_wait_user_remove_io_cb (void *tag);
void _gpgme_wait_user_event_cb (void *data, gpgme_event_io_t type,
void *type_data);
gpgme_error_t _gpgme_wait_one (gpgme_ctx_t ctx);
#endif /* WAIT_H */