save file

Author: javascript-2020

blog/25-12-03/unix-sockets/ex/ipc-linux.c

@@ -0,0 +1,47 @@
+        
+        
+        
+        
+        #include <sys/socket.h>
+        #include <sys/un.h>
+        #include <stdio.h>
+        #include <unistd.h>
+        #include <string.h>
+        
+        int main() {
+          
+              int sock    = socket(AF_UNIX, SOCK_STREAM, 0);
+              if(sock<0){
+                    perror("socket");
+                    return 1;
+              }
+          
+              struct sockaddr_un addr;
+              memset(&addr,0,sizeof(addr));
+              addr.sun_family   = AF_UNIX;
+              strcpy(addr.sun_path,"/tmp/mysock");
+                                                                                // remove old socket file
+              unlink("/tmp/mysock");
+          
+              if(bind(sock,(struct sockaddr*)&addr,sizeof(addr))<0){
+                      perror("bind");
+                      return 1;
+              }
+          
+              listen(sock,1);
+              int conn    = accept(sock,NULL,NULL);
+              if(conn<0){
+                    perror("accept");
+                    return 1;
+              }
+                                                                                // Send a test message (replace with your packet buffer)
+              const char *msg   = "Hello from C over Unix socket!";
+              write(conn,msg,strlen(msg));
+          
+              close(conn);
+              close(sock);
+              return 0;
+              
+        }//main
+
+