/** <inheritdoc /> */
public override void Reallocate(int cap)
{
// Try doubling capacity to avoid excessive allocations.
int doubledCap = ((PlatformMemoryUtils.Capacity(MemPtr) + 16) << 1) - 16;
if (doubledCap > cap)
{
cap = doubledCap;
}
PlatformMemoryUtils.ReallocateUnpooled(MemPtr, cap);
}
/** <inheritdoc /> */
public override void Reallocate(int cap)
{
// Try doubling capacity to avoid excessive allocations.
int doubledCap = PlatformMemoryUtils.GetCapacity(Pointer) << 1;
if (doubledCap > cap)
{
cap = doubledCap;
}
PlatformMemoryPool.Reallocate(Pointer, cap);
}
/** <inheritdoc /> */
public override void Reallocate(int cap)
{
// Try doubling capacity to avoid excessive allocations.
int doubledCap = PlatformMemoryUtils.Capacity(MemPtr) << 1;
if (doubledCap > cap)
{
cap = doubledCap;
}
_pool.Reallocate(MemPtr, cap);
}
/// <summary>
/// Create JVM.
/// </summary>
/// <returns>JVM.</returns>
private static void *CreateJvm(IgniteConfiguration cfg, UnmanagedCallbacks cbs)
{
var ggHome = IgniteHome.Resolve(cfg);
var cp = Classpath.CreateClasspath(ggHome, cfg, false);
var jvmOpts = GetMergedJvmOptions(cfg);
var hasGgHome = !string.IsNullOrWhiteSpace(ggHome);
var opts = new sbyte *[1 + jvmOpts.Count + (hasGgHome ? 1 : 0)];
int idx = 0;
opts[idx++] = IgniteUtils.StringToUtf8Unmanaged(cp);
if (hasGgHome)
{
opts[idx++] = IgniteUtils.StringToUtf8Unmanaged("-DIGNITE_HOME=" + ggHome);
}
foreach (string cfgOpt in jvmOpts)
{
opts[idx++] = IgniteUtils.StringToUtf8Unmanaged(cfgOpt);
}
try
{
IntPtr mem = Marshal.AllocHGlobal(opts.Length * 8);
fixed(sbyte **opts0 = opts)
{
PlatformMemoryUtils.CopyMemory(opts0, mem.ToPointer(), opts.Length * 8);
}
try
{
return(UU.CreateContext(mem.ToPointer(), opts.Length, cbs.CallbacksPointer));
}
finally
{
Marshal.FreeHGlobal(mem);
}
}
finally
{
foreach (sbyte *opt in opts)
{
Marshal.FreeHGlobal((IntPtr)opt);
}
}
}
/// <summary>
/// Create JVM.
/// </summary>
/// <returns>JVM.</returns>
private static void *CreateJvm(IgniteConfiguration cfg, UnmanagedCallbacks cbs)
{
var cp = Classpath.CreateClasspath(cfg);
var jvmOpts = GetMergedJvmOptions(cfg);
var opts = new sbyte *[1 + jvmOpts.Count];
int idx = 0;
opts[idx++] = IgniteUtils.StringToUtf8Unmanaged(cp);
foreach (string cfgOpt in jvmOpts)
{
opts[idx++] = IgniteUtils.StringToUtf8Unmanaged(cfgOpt);
}
try
{
IntPtr mem = Marshal.AllocHGlobal(opts.Length * 8);
fixed(sbyte **opts0 = opts)
{
PlatformMemoryUtils.CopyMemory(opts0, mem.ToPointer(), opts.Length * 8);
}
try
{
return(UU.CreateContext(mem.ToPointer(), opts.Length, cbs.CallbacksPointer));
}
finally
{
Marshal.FreeHGlobal(mem);
}
}
finally
{
foreach (sbyte *opt in opts)
{
Marshal.FreeHGlobal((IntPtr)opt);
}
}
}
/// <summary>
/// Unsafe memory copy routine.
/// </summary>
/// <param name="src">Source.</param>
/// <param name="dest">Destination.</param>
/// <param name="len">Length.</param>
private static void CopyMemory(byte *src, byte *dest, int len)
{
PlatformMemoryUtils.CopyMemory(src, dest, len);
}
/** <inheritdoc /> */
public override void Release()
{
PlatformMemoryUtils.ReleaseUnpooled(MemPtr);
}