scripts
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niko
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using System;
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using System.Runtime.InteropServices;
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using System.Runtime.Remoting.Activation;
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using System.Runtime.Remoting.Messaging;
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using System.Threading;
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namespace System.Runtime.Remoting.Contexts
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{
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/// <summary>Enforces a synchronization domain for the current context and all contexts that share the same instance.</summary>
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// Token: 0x020003CA RID: 970
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[AttributeUsage(AttributeTargets.Class)]
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[ComVisible(true)]
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[Serializable]
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public class SynchronizationAttribute : ContextAttribute, IContributeClientContextSink, IContributeServerContextSink
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{
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/// <summary>Initializes a new instance of the <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> class with default values.</summary>
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// Token: 0x06002637 RID: 9783 RVA: 0x0007E06C File Offset: 0x0007C26C
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public SynchronizationAttribute()
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: this(8, false)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> class with a Boolean value indicating whether reentry is required.</summary>
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/// <param name="reEntrant">A Boolean value indicating whether reentry is required. </param>
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// Token: 0x06002638 RID: 9784 RVA: 0x0007E078 File Offset: 0x0007C278
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public SynchronizationAttribute(bool reEntrant)
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: this(8, reEntrant)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> class with a flag indicating the behavior of the object to which this attribute is applied.</summary>
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/// <param name="flag">An integer value indicating the behavior of the object to which this attribute is applied. </param>
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/// <exception cref="T:System.ArgumentException">The <paramref name="flag" /> parameter was not one of the defined flags. </exception>
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// Token: 0x06002639 RID: 9785 RVA: 0x0007E084 File Offset: 0x0007C284
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public SynchronizationAttribute(int flag)
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: this(flag, false)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> class with a flag indicating the behavior of the object to which this attribute is applied, and a Boolean value indicating whether reentry is required.</summary>
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/// <param name="flag">An integer value indicating the behavior of the object to which this attribute is applied. </param>
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/// <param name="reEntrant">true if reentry is required, and callouts must be intercepted and serialized; otherwise, false. </param>
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/// <exception cref="T:System.ArgumentException">The <paramref name="flag" /> parameter was not one of the defined flags. </exception>
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// Token: 0x0600263A RID: 9786 RVA: 0x0007E090 File Offset: 0x0007C290
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public SynchronizationAttribute(int flag, bool reEntrant)
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: base("Synchronization")
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{
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if (flag != 1 && flag != 4 && flag != 8 && flag != 2)
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{
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throw new ArgumentException("flag");
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}
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this._bReEntrant = reEntrant;
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this._flavor = flag;
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}
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/// <summary>Gets or sets a Boolean value indicating whether reentry is required.</summary>
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/// <returns>A Boolean value indicating whether reentry is required.</returns>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x17000725 RID: 1829
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// (get) Token: 0x0600263B RID: 9787 RVA: 0x0007E0EC File Offset: 0x0007C2EC
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public virtual bool IsReEntrant
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{
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get
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{
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return this._bReEntrant;
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}
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}
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/// <summary>Gets or sets a Boolean value indicating whether the <see cref="T:System.Runtime.Remoting.Contexts.Context" /> implementing this instance of <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> is locked.</summary>
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/// <returns>A Boolean value indicating whether the <see cref="T:System.Runtime.Remoting.Contexts.Context" /> implementing this instance of <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> is locked.</returns>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x17000726 RID: 1830
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// (get) Token: 0x0600263C RID: 9788 RVA: 0x0007E0F4 File Offset: 0x0007C2F4
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// (set) Token: 0x0600263D RID: 9789 RVA: 0x0007E0FC File Offset: 0x0007C2FC
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public virtual bool Locked
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{
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get
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{
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return this._locked;
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}
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set
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{
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if (value)
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{
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this._mutex.WaitOne();
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lock (this)
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{
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this._lockCount++;
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if (this._lockCount > 1)
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{
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this.ReleaseLock();
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}
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this._ownerThread = Thread.CurrentThread;
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}
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}
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else
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{
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lock (this)
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{
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while (this._lockCount > 0 && this._ownerThread == Thread.CurrentThread)
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{
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this._lockCount--;
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this._mutex.ReleaseMutex();
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this._ownerThread = null;
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}
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}
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}
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}
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}
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// Token: 0x0600263E RID: 9790 RVA: 0x0007E1E8 File Offset: 0x0007C3E8
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internal void AcquireLock()
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{
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this._mutex.WaitOne();
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lock (this)
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{
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this._ownerThread = Thread.CurrentThread;
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this._lockCount++;
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}
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}
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// Token: 0x0600263F RID: 9791 RVA: 0x0007E24C File Offset: 0x0007C44C
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internal void ReleaseLock()
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{
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lock (this)
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{
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if (this._lockCount > 0 && this._ownerThread == Thread.CurrentThread)
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{
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this._lockCount--;
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this._mutex.ReleaseMutex();
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this._ownerThread = null;
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}
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}
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}
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/// <summary>Adds the Synchronized context property to the specified <see cref="T:System.Runtime.Remoting.Activation.IConstructionCallMessage" />.</summary>
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/// <param name="ctorMsg">The <see cref="T:System.Runtime.Remoting.Activation.IConstructionCallMessage" /> to which to add the property. </param>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x06002640 RID: 9792 RVA: 0x0007E2C8 File Offset: 0x0007C4C8
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[ComVisible(true)]
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public override void GetPropertiesForNewContext(IConstructionCallMessage ctorMsg)
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{
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if (this._flavor != 1)
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{
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ctorMsg.ContextProperties.Add(this);
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}
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}
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/// <summary>Creates a CallOut sink and chains it in front of the provided chain of sinks at the context boundary on the client end of a remoting call.</summary>
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/// <returns>The composite sink chain with the new CallOut sink.</returns>
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/// <param name="nextSink">The chain of sinks composed so far. </param>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x06002641 RID: 9793 RVA: 0x0007E2E4 File Offset: 0x0007C4E4
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public virtual IMessageSink GetClientContextSink(IMessageSink nextSink)
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{
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return new SynchronizedClientContextSink(nextSink, this);
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}
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/// <summary>Creates a synchronized dispatch sink and chains it in front of the provided chain of sinks at the context boundary on the server end of a remoting call.</summary>
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/// <returns>The composite sink chain with the new synchronized dispatch sink.</returns>
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/// <param name="nextSink">The chain of sinks composed so far. </param>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x06002642 RID: 9794 RVA: 0x0007E2F0 File Offset: 0x0007C4F0
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public virtual IMessageSink GetServerContextSink(IMessageSink nextSink)
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{
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return new SynchronizedServerContextSink(nextSink, this);
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}
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/// <summary>Returns a Boolean value indicating whether the context parameter meets the context attribute's requirements.</summary>
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/// <returns>true if the passed in context is OK; otherwise, false.</returns>
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/// <param name="ctx">The context to check. </param>
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/// <param name="msg">Information gathered at construction time of the context bound object marked by this attribute. The <see cref="T:System.Runtime.Remoting.Contexts.SynchronizationAttribute" /> can inspect, add to, and remove properties from the context while determining if the context is acceptable to it. </param>
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/// <exception cref="T:System.ArgumentNullException">The <paramref name="ctx" /> or <paramref name="msg" /> parameter is null. </exception>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
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/// </PermissionSet>
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// Token: 0x06002643 RID: 9795 RVA: 0x0007E2FC File Offset: 0x0007C4FC
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[ComVisible(true)]
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public override bool IsContextOK(Context ctx, IConstructionCallMessage msg)
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{
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SynchronizationAttribute synchronizationAttribute = ctx.GetProperty("Synchronization") as SynchronizationAttribute;
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switch (this._flavor)
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{
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case 1:
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return synchronizationAttribute == null;
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case 2:
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return true;
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case 4:
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return synchronizationAttribute != null;
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case 8:
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return false;
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}
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return false;
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}
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// Token: 0x06002644 RID: 9796 RVA: 0x0007E360 File Offset: 0x0007C560
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internal static void ExitContext()
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{
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if (Thread.CurrentContext.IsDefaultContext)
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{
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return;
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}
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SynchronizationAttribute synchronizationAttribute = Thread.CurrentContext.GetProperty("Synchronization") as SynchronizationAttribute;
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if (synchronizationAttribute == null)
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{
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return;
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}
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synchronizationAttribute.Locked = false;
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}
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// Token: 0x06002645 RID: 9797 RVA: 0x0007E3A0 File Offset: 0x0007C5A0
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internal static void EnterContext()
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{
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if (Thread.CurrentContext.IsDefaultContext)
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{
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return;
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}
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SynchronizationAttribute synchronizationAttribute = Thread.CurrentContext.GetProperty("Synchronization") as SynchronizationAttribute;
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if (synchronizationAttribute == null)
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{
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return;
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}
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synchronizationAttribute.Locked = true;
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}
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/// <summary>Indicates that the class to which this attribute is applied cannot be created in a context that has synchronization. This field is constant.</summary>
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// Token: 0x04000EE2 RID: 3810
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public const int NOT_SUPPORTED = 1;
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/// <summary>Indicates that the class to which this attribute is applied is not dependent on whether the context has synchronization. This field is constant.</summary>
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// Token: 0x04000EE3 RID: 3811
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public const int SUPPORTED = 2;
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/// <summary>Indicates that the class to which this attribute is applied must be created in a context that has synchronization. This field is constant.</summary>
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// Token: 0x04000EE4 RID: 3812
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public const int REQUIRED = 4;
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/// <summary>Indicates that the class to which this attribute is applied must be created in a context with a new instance of the synchronization property each time. This field is constant.</summary>
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// Token: 0x04000EE5 RID: 3813
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public const int REQUIRES_NEW = 8;
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// Token: 0x04000EE6 RID: 3814
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private bool _bReEntrant;
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// Token: 0x04000EE7 RID: 3815
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private int _flavor;
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// Token: 0x04000EE8 RID: 3816
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[NonSerialized]
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private bool _locked;
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// Token: 0x04000EE9 RID: 3817
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[NonSerialized]
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private int _lockCount;
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// Token: 0x04000EEA RID: 3818
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[NonSerialized]
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private Mutex _mutex = new Mutex(false);
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// Token: 0x04000EEB RID: 3819
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[NonSerialized]
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private Thread _ownerThread;
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}
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}
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