Support for isc_spb_prp_nolinger (DNET-645).

Author: cincuranet

Provider/src/FirebirdSql.Data.FirebirdClient.Tests/FbServicesTests.cs

@@ -396,6 +396,16 @@ public void TraceTest()
 			Assert.AreNotEqual(-1, sessionId);
 		}
 
+		[Test]
+		public void NoLingerTest()
+		{
+			var configurationSvc = new FbConfiguration();
+
+			configurationSvc.ConnectionString = BuildServicesConnectionString(FbServerType, Compression, true);
+
+			configurationSvc.NoLinger();
+		}
+
 		[Test, Explicit]
 		public void StatisticsWithEncryptedTest()
 		{

Provider/src/FirebirdSql.Data.FirebirdClient/Common/IscCodes.cs

@@ -437,6 +437,7 @@ internal static class IscCodes
 		// Option Flags
 		public const int isc_spb_prp_activate = 0x0100;
 		public const int isc_spb_prp_db_online = 0x0200;
+		public const int isc_spb_prp_nolinger = 0x0400;
 
 		#endregion
 

Provider/src/FirebirdSql.Data.FirebirdClient/Services/FbConfiguration.cs

@@ -196,6 +196,18 @@ public void SetAccessMode(bool readOnly)
 			Close();
 		}
 
+		public void NoLinger()
+		{
+			StartSpb = new ServiceParameterBuffer();
+			StartSpb.Append(IscCodes.isc_action_svc_properties);
+			StartSpb.Append(IscCodes.isc_spb_dbname, Database);
+			StartSpb.Append(IscCodes.isc_spb_options, IscCodes.isc_spb_prp_nolinger);
+
+			Open();
+			StartTask();
+			Close();
+		}
+
 		byte FbShutdownOnlineModeToIscCode(FbShutdownOnlineMode mode)
 		{
 			switch (mode)