working named pipe and pipe simple with c and golang

named_pipe/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+)
+
+// createNamedPipe creates a named pipe (FIFO)
+func createNamedPipe(pipeName string) error {
+	err := syscall.Mkfifo(pipeName, 0666)
+	if err != nil && !os.IsExist(err) {
+		return err
+	}
+	return nil
+}
+
+func main() {
+	// Create a named pipe (FIFO)
+	pipeName := "my_pipe"
+	err := createNamedPipe(pipeName)
+	if err != nil {
+		fmt.Println("Error creating named pipe:", err)
+		return
+	}
+
+	// Open the named pipe for writing
+	pipe, err := os.OpenFile(pipeName, os.O_WRONLY, os.ModeNamedPipe)
+	if err != nil {
+		fmt.Println("Error opening named pipe for writing:", err)
+		return
+	}
+	defer pipe.Close()
+
+	// Write data to the named pipe
+	message := "Hello from the writer program!"
+	_, err = pipe.WriteString(message)
+	if err != nil {
+		fmt.Println("Error writing to named pipe:", err)
+		return
+	}
+}

named_pipe/test_named_pipe_receiver.c

@@ -0,0 +1,34 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main() {
+  const char *pipeName = "my_pipe";
+
+  // Open the named pipe for reading
+  int fd = open(pipeName, O_RDONLY);
+  if (fd == -1) {
+    perror("Error opening named pipe for reading");
+    return 1;
+  }
+
+  // Read data from the named pipe
+  char buffer[100];
+  ssize_t bytesRead = read(fd, buffer, sizeof(buffer));
+  if (bytesRead == -1) {
+    perror("Error reading from named pipe");
+    close(fd);
+    return 1;
+  }
+
+  // Print the received data
+  printf("Data read from the named pipe: %.*s\n", (int)bytesRead, buffer);
+
+  // Close the named pipe
+  close(fd);
+
+  return 0;
+}