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#include "TracyMmap.hpp"
#if defined _WIN32
# include <io.h>
# include <windows.h>
void* mmap( void* addr, size_t length, int prot, int flags, int fd, off_t offset )
{
HANDLE hnd;
void* map = nullptr;
switch( prot )
{
case PROT_READ:
if( hnd = CreateFileMapping( HANDLE( _get_osfhandle( fd ) ), nullptr, PAGE_READONLY, 0, 0, nullptr ) )
{
map = MapViewOfFile( hnd, FILE_MAP_READ, 0, 0, length );
CloseHandle( hnd );
}
break;
case PROT_WRITE:
if( hnd = CreateFileMapping( HANDLE( _get_osfhandle( fd ) ), nullptr, PAGE_READWRITE, 0, 0, nullptr ) )
{
map = MapViewOfFile( hnd, FILE_MAP_WRITE, 0, 0, length );
CloseHandle( hnd );
}
break;
}
return map ? (char*)map + offset : (void*)-1;
}
int munmap( void* addr, size_t length )
{
return UnmapViewOfFile( addr ) != 0 ? 0 : -1;
}
#endif
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