public void Dispose()
{
foreach (var page in _state.LoadedPages)
{
var loadedPage = page.Value;
// we have to do this here because we need to verify that this is actually written to disk
// afterward, we can call flush on this
var result = Syscall.msync(new IntPtr(loadedPage.Pointer), (UIntPtr)(loadedPage.NumberOfPages * Constants.Storage.PageSize), MsyncFlags.MS_SYNC);
if (result == -1)
{
var err = Marshal.GetLastWin32Error();
Syscall.ThrowLastError(err, "msync on " + loadedPage);
}
}
var canCleanup = false;
foreach (var addr in _state.AddressesToUnload)
{
canCleanup |= Interlocked.Decrement(ref addr.Usages) == 0;
}
if (canCleanup)
{
_parent.CleanupMemory(_state);
}
}
public override void Sync(long totalUnsynced)
{
var currentState = GetPagerStateAndAddRefAtomically();
try
{
using (var metric = Options.IoMetrics.MeterIoRate(FileName.FullPath, IoMetrics.MeterType.DataSync, 0))
{
foreach (var alloc in currentState.AllocationInfos)
{
metric.IncrementFileSize(alloc.Size);
var result = Syscall.msync(new IntPtr(alloc.BaseAddress), (UIntPtr)alloc.Size, MsyncFlags.MS_SYNC);
if (result == -1)
{
var err = Marshal.GetLastWin32Error();
Syscall.ThrowLastError(err, "msync on " + FileName);
}
}
metric.IncrementSize(totalUnsynced);
}
}
finally
{
currentState.Release();
}
}
public override void Sync()
{
//TODO: Is it worth it to change to just one call for msync for the entire file?
var currentState = GetPagerStateAndAddRefAtomically();
try
{
using (var metric = Options.IoMetrics.MeterIoRate(FileName, IoMetrics.MeterType.DataSync, 0))
{
foreach (var alloc in currentState.AllocationInfos)
{
metric.IncrementSize(alloc.Size);
var result = Syscall.msync(new IntPtr(alloc.BaseAddress), (UIntPtr)alloc.Size, MsyncFlags.MS_SYNC);
if (result == -1)
{
var err = Marshal.GetLastWin32Error();
PosixHelper.ThrowLastError(err, "msync on " + FileName);
}
}
}
}
finally
{
currentState.Release();
}
}
public override void Sync()
{
//TODO: Is it worth it to change to just one call for msync for the entire file?
foreach (var alloc in PagerState.AllocationInfos)
{
var result = Syscall.msync(new IntPtr(alloc.BaseAddress), (ulong)alloc.Size, MsyncFlags.MS_SYNC);
if (result == -1)
{
PosixHelper.ThrowLastError(Marshal.GetLastWin32Error());
}
}
}