diff options
Diffstat (limited to 'src/mscorlib/src/System/Runtime/GcSettings.cs')
-rw-r--r-- | src/mscorlib/src/System/Runtime/GcSettings.cs | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/GcSettings.cs b/src/mscorlib/src/System/Runtime/GcSettings.cs new file mode 100644 index 0000000000..3b31a63a86 --- /dev/null +++ b/src/mscorlib/src/System/Runtime/GcSettings.cs @@ -0,0 +1,92 @@ +// Copyright (c) Microsoft. All rights reserved. +// Licensed under the MIT license. See LICENSE file in the project root for full license information. + + +namespace System.Runtime { + using System; + using System.Runtime.CompilerServices; + using System.Runtime.ConstrainedExecution; + using System.Security.Permissions; + using System.Diagnostics.Contracts; + + // These settings are the same format as in clr\src\vm\gcpriv.h + // make sure you change that file if you change this file! + + [Serializable] + public enum GCLargeObjectHeapCompactionMode + { + Default = 1, + CompactOnce = 2 + } + + [Serializable] + public enum GCLatencyMode + { + Batch = 0, + Interactive = 1, + LowLatency = 2, + SustainedLowLatency = 3 + } + + public static class GCSettings + { + public static GCLatencyMode LatencyMode + { + [System.Security.SecuritySafeCritical] // auto-generated + [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] + get + { + return (GCLatencyMode)(GC.GetGCLatencyMode()); + } + + // We don't want to allow this API when hosted. + [System.Security.SecurityCritical] // auto-generated_required + [HostProtection(MayLeakOnAbort = true)] + [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] + set + { + if ((value < GCLatencyMode.Batch) || (value > GCLatencyMode.SustainedLowLatency)) + { + throw new ArgumentOutOfRangeException(Environment.GetResourceString("ArgumentOutOfRange_Enum")); + } + Contract.EndContractBlock(); + + GC.SetGCLatencyMode((int)value); + } + } + + public static GCLargeObjectHeapCompactionMode LargeObjectHeapCompactionMode + { + [System.Security.SecuritySafeCritical] // auto-generated + [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] + get + { + return (GCLargeObjectHeapCompactionMode)(GC.GetLOHCompactionMode()); + } + + // We don't want to allow this API when hosted. + [System.Security.SecurityCritical] // auto-generated_required + [HostProtection(MayLeakOnAbort = true)] + [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] + set + { + if ((value < GCLargeObjectHeapCompactionMode.Default) || + (value > GCLargeObjectHeapCompactionMode.CompactOnce)) + { + throw new ArgumentOutOfRangeException(Environment.GetResourceString("ArgumentOutOfRange_Enum")); + } + Contract.EndContractBlock(); + + GC.SetLOHCompactionMode((int)value); + } + } + + public static bool IsServerGC + { + [System.Security.SecuritySafeCritical] // auto-generated + get { + return GC.IsServerGC(); + } + } + } +} |