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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#define MAX_HANDLES 32
#include <sys/stat.h>
#undef chdir // we define our own
#undef mkdir
class AsyncFio {
public:
AsyncFio(void);
~AsyncFio(void);
int open(const char *name, int ioMode);
int open(const char *name, int ioMode, int mode);
void close(int handle);
void read(int fd, void *dest, unsigned int len);
void write(int fd, const void *src, unsigned int len);
void remove(const char *name);
int seek(int fd, int offset, int whence);
int mkdir(const char *name);
int dopen(const char *name);
int dread(int fd, iox_dirent_t *dest);
void dclose(int fd);
int chdir(const char *name);
int mount(const char *mountpoint, const char *mountstring, int flag);
int umount(const char *mountpoint);
int sync(int fd);
bool poll(int fd);
bool fioAvail(void);
private:
void checkSync(void);
int _ioSema;
volatile int * volatile _runningOp;
volatile int _ioSlots[MAX_HANDLES];
};
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