Timer working. MAC address in string variable.

1 files changed, 25 insertions, 0 deletions

diff --git a/select.c b/select.c
new file mode 100644
index 0000000..47351f9
--- /dev/null
+++ b/select.c
@@ -0,0 +1,25 @@
+#include <errno.h>
+#include <stdio.h>
+#include <sys/select.h>
+
+volatile unsigned int variable = 0;
+
+int main()
+{
+    struct timeval tv;
+    int val;
+
+    for (;;)
+    {
+        tv.tv_sec = 1;
+        tv.tv_usec = 0;
+
+        do
+        {
+            val = select(0, NULL, NULL, NULL, &tv);
+        } while (val != 0 && errno == EINTR);
+
+        printf("Variable = %u\n", ++variable);
+    }
+}
+