M main.c → main.c

@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <stdio.h>
 
+#include <poll.h>
 #include <termios.h>
 #include <unistd.h>
 
@@ -18,21 +19,29 @@ new.c_cc[VTIME] = 0; // time before return
 
   tcsetattr(STDIN_FILENO, TCSANOW, &new);
 
+  struct pollfd poller[1];
+
+  poller[0].fd = STDIN_FILENO;
+  poller[0].events = POLLIN;
+
   printf("Pressed characters:\n");
 
   uint8_t run = 1;
 
   while (run) {
-    char buffer[10];
-    uint16_t length = read(STDIN_FILENO, buffer, sizeof(buffer));
-    if (length > 0) {
-      uint8_t i;
-      for (i = 0; i < length; i++) {
-        printf(" %d", buffer[i]);
-        if (buffer[i] == 'Q')
-          run = 0;
+    int events = poll(poller, 1, -1);
+    if (events > 0 && poller[0].revents & POLLIN) {
+      char buffer[10];
+      uint16_t length = read(STDIN_FILENO, buffer, sizeof(buffer));
+      if (length > 0) {
+        uint8_t i;
+        for (i = 0; i < length; i++) {
+          printf(" %d", buffer[i]);
+          if (buffer[i] == 'Q')
+            run = 0;
+        }
+        printf("\n");
       }
-      printf("\n");
     }
   }