AppDomainManager.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / AppDomainManager.cs / 1305376 / AppDomainManager.cs
                        
                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 

// 
// An AppDomainManager gives a hosting application the chance to 
// participate in the creation and control the settings of new AppDomains.
// 

namespace System {
    using System.Collections;
    using System.Globalization; 
    using System.IO;
    using System.Reflection; 
    using System.Runtime.CompilerServices; 
    using System.Security;
    using System.Security.Permissions; 
    using System.Security.Policy;
    using System.Threading;
#if FEATURE_CLICKONCE
    using System.Runtime.Hosting; 
#endif
    using System.Runtime.Versioning; 
    using System.Runtime.InteropServices; 
    using System.Diagnostics.Contracts;
 
#if FEATURE_APPDOMAINMANAGER_INITOPTIONS
    [Flags]
    [System.Runtime.InteropServices.ComVisible(true)]
    public enum AppDomainManagerInitializationOptions { 
        None             = 0x0000,
        RegisterWithHost = 0x0001 
    } 
#endif // FEATURE_APPDOMAINMANAGER_INITOPTIONS
 
#if FEATURE_REMOTING
    [System.Security.SecurityCritical]  // auto-generated_required
    [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags=SecurityPermissionFlag.Infrastructure)]
    [System.Runtime.InteropServices.ComVisible(true)] 
    public class AppDomainManager : MarshalByRefObject {
#if false 
} 
#endif // false
#else // FEATURE_REMOTING 
    [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags = SecurityPermissionFlag.Infrastructure)]
    [System.Runtime.InteropServices.ComVisible(true)]
    public class AppDomainManager {
#endif // FEATURE_REMOTING 
        public AppDomainManager () {}
#if FEATURE_REMOTING 
        [System.Security.SecurityCritical]  // auto-generated 
        public virtual AppDomain CreateDomain (string friendlyName,
                                               Evidence securityInfo, 
                                               AppDomainSetup appDomainInfo) {
            return CreateDomainHelper(friendlyName, securityInfo, appDomainInfo);
        }
 
        [System.Security.SecurityCritical]  // auto-generated_required
        [SecurityPermissionAttribute(SecurityAction.Demand, ControlAppDomain = true)] 
        protected static AppDomain CreateDomainHelper (string friendlyName, 
                                                       Evidence securityInfo,
                                                       AppDomainSetup appDomainInfo) { 
            if (friendlyName == null)
                throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_String"));

            Contract.EndContractBlock(); 
            // If evidence is provided, we check to make sure that is allowed.
            if (securityInfo != null) { 
                new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand(); 

                // Check the evidence to ensure that if it expects a sandboxed domain, it actually gets one. 
                AppDomain.CheckDomainCreationEvidence(appDomainInfo, securityInfo);
            }

            if (appDomainInfo == null) { 
                appDomainInfo = new AppDomainSetup();
            } 
 
            // If there was no specified AppDomainManager for the new domain, default it to being the same
            // as the current domain's AppDomainManager. 
            if (appDomainInfo.AppDomainManagerAssembly == null || appDomainInfo.AppDomainManagerType == null) {
                string inheritedDomainManagerAssembly;
                string inheritedDomainManagerType;
 
                AppDomain.CurrentDomain.GetAppDomainManagerType(out inheritedDomainManagerAssembly,
                                                                out inheritedDomainManagerType); 
 
                if (appDomainInfo.AppDomainManagerAssembly == null) {
                    appDomainInfo.AppDomainManagerAssembly = inheritedDomainManagerAssembly; 
                }
                if (appDomainInfo.AppDomainManagerType == null) {
                    appDomainInfo.AppDomainManagerType = inheritedDomainManagerType;
                } 
            }
 
            return AppDomain.nCreateDomain(friendlyName, 
                                           appDomainInfo,
                                           securityInfo, 
                                           securityInfo == null ? AppDomain.CurrentDomain.InternalEvidence : null,
                                           AppDomain.CurrentDomain.GetSecurityDescriptor());
        }
#endif // FEATURE_REMOTING 

        [System.Security.SecurityCritical] 
        public virtual void InitializeNewDomain (AppDomainSetup appDomainInfo) { 
            // By default, InitializeNewDomain does nothing. AppDomain.CreateAppDomainManager relies on this fact.
        } 

#if FEATURE_APPDOMAINMANAGER_INITOPTIONS

        private AppDomainManagerInitializationOptions m_flags = AppDomainManagerInitializationOptions.None; 
        public AppDomainManagerInitializationOptions InitializationFlags {
            get { 
                return m_flags; 
            }
            set { 
                m_flags = value;
            }
        }
#endif // FEATURE_APPDOMAINMANAGER_INITOPTIONS 

#if !FEATURE_PAL && FEATURE_CLICKONCE 
        private ApplicationActivator m_appActivator = null; 
        public virtual ApplicationActivator ApplicationActivator {
            get { 
                if (m_appActivator == null)
                    m_appActivator = new ApplicationActivator();
                return m_appActivator;
            } 
        }
#endif //#if !FEATURE_PAL && FEATURE_CLICKONCE 
 
#if FEATURE_CAS_POLICY
        public virtual HostSecurityManager HostSecurityManager { 
            get {
                return null;
            }
        } 

        public virtual HostExecutionContextManager HostExecutionContextManager { 
            get { 
                // By default, the AppDomainManager returns the HostExecutionContextManager.
                return HostExecutionContextManager.GetInternalHostExecutionContextManager(); 
            }
        }
#endif // FEATURE_CAS_POLICY
 
#if !FEATURE_CORECLR
        [ResourceExposure(ResourceScope.None)] 
        [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity] 
        private static extern void GetEntryAssembly(ObjectHandleOnStack retAssembly);
 
        private Assembly m_entryAssembly = null;
        public virtual Assembly EntryAssembly {
            [System.Security.SecurityCritical]  // auto-generated
            get { 
                // The default AppDomainManager sets the EntryAssembly depending on whether the
                // AppDomain is a manifest application domain or not. In the first case, we parse 
                // the application manifest to find out the entry point assembly and return that assembly. 
                // In the second case, we maintain the old behavior by calling GetEntryAssembly().
                if (m_entryAssembly == null) 
                {

#if !FEATURE_PAL && FEATURE_CLICKONCE
                    AppDomain domain = AppDomain.CurrentDomain; 
                    if (domain.IsDefaultAppDomain() && domain.ActivationContext != null) {
                        ManifestRunner runner = new ManifestRunner(domain, domain.ActivationContext); 
                        m_entryAssembly = runner.EntryAssembly; 
                    } else
#endif //#if !FEATURE_PAL && FEATURE_CLICKONCE 
                    {
                        RuntimeAssembly entryAssembly = null;
                        GetEntryAssembly(JitHelpers.GetObjectHandleOnStack(ref entryAssembly));
                        m_entryAssembly = entryAssembly; 
                    }
                } 
                return m_entryAssembly; 
            }
        } 
#endif // FEATURE_CORECLR

        internal static AppDomainManager CurrentAppDomainManager {
            [System.Security.SecurityCritical]  // auto-generated 
            get {
                return AppDomain.CurrentDomain.DomainManager; 
            } 
        }
 
        public virtual bool CheckSecuritySettings (SecurityState state)
        {
            return false;
        } 

#if FEATURE_APPDOMAINMANAGER_INITOPTIONS 
        [ResourceExposure(ResourceScope.None)] 
        [MethodImplAttribute(MethodImplOptions.InternalCall)]
        private static extern bool HasHost(); 

        [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
        [ResourceExposure(ResourceScope.None)]
        [SecurityCritical] 
        [SuppressUnmanagedCodeSecurity]
        private static extern void RegisterWithHost(IntPtr appDomainManager); 
 
        internal void RegisterWithHost() {
            if (HasHost()) { 
                IntPtr punkAppDomainManager = IntPtr.Zero;

                RuntimeHelpers.PrepareConstrainedRegions();
                try { 
                    punkAppDomainManager = Marshal.GetIUnknownForObject(this);
                    RegisterWithHost(punkAppDomainManager); 
                } 
                finally {
                    if (!punkAppDomainManager.IsNull()) { 
                        Marshal.Release(punkAppDomainManager);
                    }
                }
            } 
        }
#endif // FEATURE_APPDOMAINMANAGER_INITOPTIONS 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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AppDomainManager.cs source code in C# .NET

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