save file

Author: javascript-2020

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

@@ -0,0 +1,53 @@
+        
+        
+        
+        #include <windows.h>
+        #include <stdio.h>
+
+        
+        int main(void) {
+                                                                                // Named pipe path
+              const char *pipeName    = "\\\\.\\pipe\\mypipe";
+          
+                                                                                // Create the named pipe
+              HANDLE hPipe    = CreateNamedPipeA(
+                    pipeName,
+                    PIPE_ACCESS_OUTBOUND,                                       // Server writes, client reads
+                    PIPE_TYPE_BYTE | PIPE_WAIT,                                 // Byte stream, blocking mode
+                    1,                                                          // Max instances
+                    1024,                                                       // Out buffer size
+                    1024,                                                       // In buffer size
+                    0,                                                          // Default timeout
+                    NULL                                                        // Security attributes
+              );
+          
+              if(hPipe==INVALID_HANDLE_VALUE){
+                    printf("CreateNamedPipe failed with error %lu\n",GetLastError());
+                    return 1;
+              }
+          
+              printf("Waiting for client to connect...\n");
+          
+                                                                                // Wait for a client (Node.js) to connect
+              BOOL connected    = ConnectNamedPipe(hPipe,NULL) ? TRUE : (GetLastError()==ERROR_PIPE_CONNECTED);
+          
+              if (!connected){
+                    printf("ConnectNamedPipe failed with error %lu\n", GetLastError());
+                    CloseHandle(hPipe);
+                    return 1;
+              }
+          
+                                                                                // Send a test message
+              const char *msg   = "Hello from C over Windows Named Pipe!";
+              DWORD written;
+              WriteFile(hPipe,msg,(DWORD)strlen(msg),&written,NULL);
+          
+              printf("Sent message to client.\n");
+          
+                                                                                // Close pipe
+              CloseHandle(hPipe);
+              return 0;
+              
+        }//main
+
+