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83 lines
2.4 KiB
83 lines
2.4 KiB
/* wait.h - Definitions for the wait queue interface.
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Copyright (C) 2000 Werner Koch (dd9jn)
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Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef WAIT_H
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#define WAIT_H
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#include "gpgme.h"
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#include "sema.h"
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struct fd_table
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{
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struct io_select_fd_s *fds;
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size_t size;
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};
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typedef struct fd_table *fd_table_t;
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/* Wait items are hooked into the io_select_fd_s to connect an fd with
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a callback handler. */
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struct wait_item_s
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{
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gpgme_ctx_t ctx;
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gpgme_io_cb_t handler;
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void *handler_value;
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int dir;
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};
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/* A registered fd handler is removed later using the tag that
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identifies it. */
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struct tag
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{
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/* The context for which the fd was registered. */
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gpgme_ctx_t ctx;
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/* The index into the fd table for this context. */
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int idx;
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/* This is used by the wrappers for the user event loop. */
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void *user_tag;
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};
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void _gpgme_fd_table_init (fd_table_t fdt);
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void _gpgme_fd_table_deinit (fd_table_t fdt);
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gpgme_error_t _gpgme_add_io_cb (void *data, int fd, int dir,
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gpgme_io_cb_t fnc, void *fnc_data, void **r_tag);
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void _gpgme_remove_io_cb (void *tag);
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void _gpgme_wait_private_event_cb (void *data, gpgme_event_io_t type,
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void *type_data);
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void _gpgme_wait_global_event_cb (void *data, gpgme_event_io_t type,
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void *type_data);
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gpgme_error_t _gpgme_wait_user_add_io_cb (void *data, int fd, int dir,
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gpgme_io_cb_t fnc, void *fnc_data,
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void **r_tag);
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void _gpgme_wait_user_remove_io_cb (void *tag);
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void _gpgme_wait_user_event_cb (void *data, gpgme_event_io_t type,
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void *type_data);
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gpgme_error_t _gpgme_wait_one (gpgme_ctx_t ctx);
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gpgme_error_t _gpgme_run_io_cb (struct io_select_fd_s *an_fds, int checked);
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#endif /* WAIT_H */
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