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tdepim/libkdenetwork/libgpgme-copy/gpgme/io.h

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/* io.h - Interface to the I/O functions.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef IO_H
#define IO_H
/* A single file descriptor passed to spawn. For child fds, dup_to
specifies the fd it should become in the child. */
struct spawn_fd_item_s
{
int fd;
int dup_to;
};
struct io_select_fd_s
{
int fd;
int for_read;
int for_write;
int signaled;
int frozen;
void *opaque;
};
/* These function are either defined in posix-io.c or w32-io.c. */
void _gpgme_io_subsystem_init (void);
int _gpgme_io_read (int fd, void *buffer, size_t count);
int _gpgme_io_write (int fd, const void *buffer, size_t count);
int _gpgme_io_pipe (int filedes[2], int inherit_idx);
int _gpgme_io_close (int fd);
int _gpgme_io_set_close_notify (int fd, void (*handler) (int, void *),
void *value);
int _gpgme_io_set_nonblocking (int fd);
/* Spawn the executable PATH with ARGV as arguments, after forking
close all fds in FD_PARENT_LIST in the parent and close or dup all
fds in FD_CHILD_LIST in the child. */
int _gpgme_io_spawn (const char *path, char **argv,
struct spawn_fd_item_s *fd_child_list,
struct spawn_fd_item_s *fd_parent_list);
int _gpgme_io_waitpid (int pid, int hang, int *r_status, int *r_signal);
int _gpgme_io_kill (int pid, int hard);
int _gpgme_io_select (struct io_select_fd_s *fds, size_t nfds, int nonblock);
#endif /* IO_H */