Darwin/OSX flat file reader stub.

This commit is contained in:
Juha Laukkanen 2015-11-17 19:28:03 +02:00
parent be720b96c1
commit c15958f3c2
2 changed files with 119 additions and 2 deletions

View File

@ -18,8 +18,10 @@
#ifdef WIN32 #ifdef WIN32
# include <Windows.h> # include <Windows.h>
# undef Yield # undef Yield
#else #elif defined(__linux__)
# include <libaio.h> # include <libaio.h>
#elif defined(__APPLE__)
# include <aio.h>
#endif #endif
class AsyncFileReader class AsyncFileReader
@ -70,9 +72,12 @@ class FlatFileReader : public AsyncFileReader
HANDLE hEvent; HANDLE hEvent;
bool asyncInProgress; bool asyncInProgress;
#else #elif defined(__linux__)
int m_fd; // FIXME don't know if overlap as an equivalent on linux int m_fd; // FIXME don't know if overlap as an equivalent on linux
io_context_t m_aio_context; io_context_t m_aio_context;
#elif defined(__POSIX__)
int m_fd; // TODO OSX don't know if overlap as an equivalent on OSX
struct aiocb m_aio_context;
#endif #endif
bool shareWrite; bool shareWrite;

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@ -0,0 +1,112 @@
/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2014 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "AsyncFileReader.h"
#warning This reader is not yet implemented. Crash boom bang if used
//FlatFileReader::FlatFileReader(void)
FlatFileReader::FlatFileReader(bool shareWrite) : shareWrite(shareWrite)
{
printf("FLATC\n");
m_blocksize = 2048;
m_fd = 0;
//m_aio_context = 0;
}
FlatFileReader::~FlatFileReader(void)
{
Close();
}
bool FlatFileReader::Open(const wxString& fileName)
{
printf("OB\n");
m_filename = fileName;
int err = 0; //io_setup(64, &m_aio_context);
if (err) return false;
m_fd = wxOpen(fileName, O_RDONLY, 0);
return (m_fd != 0);
}
int FlatFileReader::ReadSync(void* pBuffer, uint sector, uint count)
{
printf("RAD\n");
BeginRead(pBuffer, sector, count);
return FinishRead();
}
void FlatFileReader::BeginRead(void* pBuffer, uint sector, uint count)
{
printf("RWEADB\n");
u64 offset;
offset = sector * (u64)m_blocksize + m_dataoffset;
u32 bytesToRead = count * m_blocksize;
struct aiocb iocb;
struct aiocb* iocbs = &iocb;
//io_prep_pread(&iocb, m_fd, pBuffer, bytesToRead, offset);
//io_submit(m_aio_context, 1, &iocbs);
}
int FlatFileReader::FinishRead(void)
{
printf("FINISH\n");
u32 bytes;
int min_nr = 1;
int max_nr = 1;
/* struct io_event* events = new io_event[max_nr];
int event = io_getevents(m_aio_context, min_nr, max_nr, events, NULL);
if (event < 1) {
return -1;
}*/
return 1;
}
void FlatFileReader::CancelRead(void)
{
printf("CANCEL\n");
// Will be done when m_aio_context context is destroyed
// Note: io_cancel exists but need the iocb structure as parameter
// int io_cancel(aio_context_t ctx_id, struct iocb *iocb,
// struct io_event *result);
}
void FlatFileReader::Close(void)
{
printf("CLOSE\n");
if (m_fd) close(m_fd);
//io_destroy(m_aio_context);
aio_cancel(m_fd, &m_aio_context);
m_fd = 0;
//m_aio_context = 0;
}
uint FlatFileReader::GetBlockCount(void) const
{
printf("BLOCKS\n");
return (int)(Path::GetFileSize(m_filename) / m_blocksize);
}