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0ad/source/lib/posix/posix_aio.h
leper 637c09b204 Add support for OpenBSD. Fixes #1463.
Backport os_getversion from premake4.4-beta4 and extend it to support
POSIX-compilant systems.
Add some missing newlines at the end of file as these cause warnings on
OpenBSD.
Update the config paths.

This was SVN commit r11970.
2012-06-13 20:43:56 +00:00

69 lines
2.2 KiB
C

/* Copyright (c) 2012 Wildfire Games
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef INCLUDED_POSIX_AIO
#define INCLUDED_POSIX_AIO
// despite the comment in wposix.h about not using Windows headers for
// POSIX declarations, this one is harmless (no incompatible declarations)
// and can safely be used on Windows as well.
#include <fcntl.h>
#if OS_WIN
# include "lib/sysdep/os/win/wposix/waio.h"
#elif OS_ANDROID || OS_OPENBSD
// Android doesn't provide aio.h. We don't actually use aio on Linuxes (see
// CONFIG2_FILE_ENABLE_AIO) but we use its symbols and structs, so define
// them here
# if OS_OPENBSD
// OpenBSD 5.1 (latest version at time of writing) has no struct sigevent defined,
// so we do this here.
struct sigevent
{
int sigev_notify;
int sigev_signo;
union sigval sigev_value;
void (*sigev_notify_function)(union sigval);
pthread_attr_t *sigev_notify_attributes;
};
# endif
# define LIO_READ 0
# define LIO_WRITE 1
# define LIO_NOP 2
struct aiocb
{
int aio_fildes;
off_t aio_offset;
volatile void* aio_buf;
size_t aio_nbytes;
int aio_reqprio;
struct sigevent aio_sigevent;
int aio_lio_opcode;
};
#else
# include <aio.h>
#endif
#include "lib/posix/posix_errno.h" // for user convenience
#endif // #ifndef INCLUDED_POSIX_AIO