diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/.wsuo b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/.wsuo
index 4320a4e..f632e9b 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/.wsuo and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/.wsuo differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db
index f9865ac..672153b 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-shm b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-shm
index eca15c1..f4332c9 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-shm and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-shm differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-wal b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-wal
index e69de29..bed9a18 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-wal and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/Browse.VC.db-wal differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/DocumentLayout.json b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/DocumentLayout.json
index 5f97aad..fa284bc 100644
--- a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/DocumentLayout.json
+++ b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/DocumentLayout.json
@@ -2,24 +2,20 @@
   "Version": 1,
   "WorkspaceRootPath": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\",
   "Documents": [
-    {
-      "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\network_utils.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}",
-      "RelativeMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|solutionrelative:network_utils.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}"
-    },
     {
       "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\Listener_server.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}",
       "RelativeMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|solutionrelative:Listener_server.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}"
     },
+    {
+      "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\network_utils.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}",
+      "RelativeMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|solutionrelative:network_utils.c||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}"
+    },
     {
       "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\network_utils.h||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}",
       "RelativeMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|solutionrelative:network_utils.h||{D0E1A5C6-B359-4E41-9B60-3365922C2A22}"
     },
     {
       "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|CMake Overview Pages||{B1CAA5B0-FEB1-4350-8AB9-F895876842F2}"
-    },
-    {
-      "AbsoluteMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\CMakeLists.txt||{8B382828-6202-11D1-8870-0000F87579D2}",
-      "RelativeMoniker": "D:0:0:{A2FE74E1-B743-11D0-AE1A-00A0C90FFFC3}|\u003CMiscFiles\u003E|solutionrelative:CMakeLists.txt||{8B382828-6202-11D1-8870-0000F87579D2}"
     }
   ],
   "DocumentGroupContainers": [
@@ -29,7 +25,7 @@
       "DocumentGroups": [
         {
           "DockedWidth": 200,
-          "SelectedChildIndex": 2,
+          "SelectedChildIndex": 3,
           "Children": [
             {
               "$type": "Bookmark",
@@ -45,31 +41,30 @@
               "RelativeToolTip": "network_utils.h",
               "ViewState": "AQIAAA8AAAAAAAAAAAAAAAAAAAAAAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000680|",
-              "WhenOpened": "2024-03-15T10:41:05.002Z",
-              "EditorCaption": ""
+              "WhenOpened": "2024-03-15T10:41:05.002Z"
             },
             {
               "$type": "Document",
-              "DocumentIndex": 0,
+              "DocumentIndex": 1,
               "Title": "network_utils.c",
               "DocumentMoniker": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\network_utils.c",
               "RelativeDocumentMoniker": "network_utils.c",
               "ToolTip": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\network_utils.c",
               "RelativeToolTip": "network_utils.c",
-              "ViewState": "AQIAADkAAAAAAAAAAAAAAEcAAAAuAAAA",
+              "ViewState": "AQIAABgAAAAAAAAAAAAAAAcAAAAJAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000423|",
               "WhenOpened": "2024-03-15T10:40:54.851Z",
               "EditorCaption": ""
             },
             {
               "$type": "Document",
-              "DocumentIndex": 1,
+              "DocumentIndex": 0,
               "Title": "Listener_server.c",
               "DocumentMoniker": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\Listener_server.c",
               "RelativeDocumentMoniker": "Listener_server.c",
               "ToolTip": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\Listener_server.c",
               "RelativeToolTip": "Listener_server.c",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAAAsAAAAAAAAA",
+              "ViewState": "AQIAACEAAAAAAAAAAAAAAAwAAAALAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000423|",
               "WhenOpened": "2024-03-15T05:44:00.942Z",
               "EditorCaption": ""
@@ -82,19 +77,6 @@
               "ToolTip": "CMake Overview Pages",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.001001|",
               "WhenOpened": "2024-03-15T05:40:27.357Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 4,
-              "Title": "CMakeLists.txt",
-              "DocumentMoniker": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\CMakeLists.txt",
-              "RelativeDocumentMoniker": "CMakeLists.txt",
-              "ToolTip": "E:\\MultiThreading_Part_A\\ThreadCancellation_async\\Listener_Thread\\Listener_server\\CMakeLists.txt",
-              "RelativeToolTip": "CMakeLists.txt",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.003109|",
-              "WhenOpened": "2024-03-15T10:40:32.199Z",
-              "EditorCaption": ""
             }
           ]
         }
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/4ea875e9c5390c5c/NETWORK_UTILS.ipch b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/4ea875e9c5390c5c/NETWORK_UTILS.ipch
index 37ad008..6286979 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/4ea875e9c5390c5c/NETWORK_UTILS.ipch and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/4ea875e9c5390c5c/NETWORK_UTILS.ipch differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/ad4af5e335c3f5f4/NETWORK_UTILS.ipch b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/ad4af5e335c3f5f4/NETWORK_UTILS.ipch
index 87e82b3..0d66cd0 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/ad4af5e335c3f5f4/NETWORK_UTILS.ipch and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/Listener_server/v17/ipch/AutoPCH/ad4af5e335c3f5f4/NETWORK_UTILS.ipch differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/VSWorkspaceState.json b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/VSWorkspaceState.json
index ec6161e..fdac6bd 100644
--- a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/VSWorkspaceState.json
+++ b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/VSWorkspaceState.json
@@ -25,5 +25,6 @@
   "ExpandedNodes": [
     ""
   ],
+  "SelectedNode": "\\network_utils.h",
   "PreviewInSolutionExplorer": false
 }
\ No newline at end of file
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/linux-debug/Ubuntu.scan.fgp.copy b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/linux-debug/Ubuntu.scan.fgp.copy
index 80d9129..afb996e 100644
--- a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/linux-debug/Ubuntu.scan.fgp.copy
+++ b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/linux-debug/Ubuntu.scan.fgp.copy
@@ -1,6 +1,6 @@
 1071467557 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\CMakeLists.txt
 1015371089 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\CMakePresets.json
-1002866260 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\Listener_server.c
--1617246206 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\network_utils.c
+428312187 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\Listener_server.c
+1110334189 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\network_utils.c
 -2022489816 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\network_utils.h
--536376222 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\
+1220180381 E:\MultiThreading_Part_A\ThreadCancellation_async\Listener_Thread\Listener_server\
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/slnx.sqlite b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/slnx.sqlite
index 0d29a3d..c8aea97 100644
Binary files a/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/slnx.sqlite and b/ThreadCancellation_async/Listener_Thread/Listener_server/.vs/slnx.sqlite differ
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/Listener_server.c b/ThreadCancellation_async/Listener_Thread/Listener_server/Listener_server.c
index 04ef4b8..f0a9beb 100644
--- a/ThreadCancellation_async/Listener_Thread/Listener_server/Listener_server.c
+++ b/ThreadCancellation_async/Listener_Thread/Listener_server/Listener_server.c
@@ -10,7 +10,7 @@ pkt_recv_fn(
 	uint32_t port_no
 ) {
 
-	printf("%s() : pkt recvd = %s, pkt size = %u\n",
+	printf("\n%s() : pkt recvd = %s, pkt size = %u\n",
 		__FUNCTION__, pkt, pkt_size);
 }
 
@@ -34,6 +34,30 @@ main(int argc, char** argv) {
 		pkt_recv_fn
 	);
 
+	int th_no,cnt = 0;
+	while (1) {
+		printf("Listener thread you can cancel [ 1 - 2 ]:");
+		scanf("%d", &th_no);
+		getchar();
+
+		switch (th_no) {
+			
+		case 1:
+			pthread_cancel((*listener1));
+			break;
+		case 2:
+			pthread_cancel((*listener2));
+			break;
+		case 1000:
+			exit(EXIT_SUCCESS);
+			break;
+		default:
+			break;
+
+		}
+		sleep(1);
+	}
+
 	pthread_exit(0);
 	return 0;
 }
\ No newline at end of file
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/network_utils.c b/ThreadCancellation_async/Listener_Thread/Listener_server/network_utils.c
index 38abe87..a4fb992 100644
--- a/ThreadCancellation_async/Listener_Thread/Listener_server/network_utils.c
+++ b/ThreadCancellation_async/Listener_Thread/Listener_server/network_utils.c
@@ -81,6 +81,7 @@ _udp_server_create_and_start(void* arg) {
 			MAX_PACKET_BUFFER_SIZE, 0,
 			(struct sockaddr*)&client_addr, &addr_len);
 
+
 		recv_fn(recv_buffer, bytes_recvd,
 			network_covert_ip_n_to_p(
 				(uint32_t)htonl(client_addr.sin_addr.s_addr), 0),
diff --git a/ThreadCancellation_async/Listener_Thread/Listener_server/out/Ubuntu/build/linux-debug/.cmake/api/v1/reply/index-2024-03-15T10-40-40-0624.json b/ThreadCancellation_async/Listener_Thread/Listener_server/out/Ubuntu/build/linux-debug/.cmake/api/v1/reply/index-2024-03-15T14-50-39-0147.json
similarity index 100%
rename from ThreadCancellation_async/Listener_Thread/Listener_server/out/Ubuntu/build/linux-debug/.cmake/api/v1/reply/index-2024-03-15T10-40-40-0624.json
rename to ThreadCancellation_async/Listener_Thread/Listener_server/out/Ubuntu/build/linux-debug/.cmake/api/v1/reply/index-2024-03-15T14-50-39-0147.json