#ifndef _SKYPOPEN_H_
#define _SKYPOPEN_H_
+#include <linux/version.h>
#include <linux/ioctl.h> /* needed for the _IOW etc stuff used later */
-#define CENTOS_5 /* define this ONLY if you're on CentOS 5.x (eg: undef on CentOS 6.x ) */
+#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 18)
+#define CENTOS_5
#define WANT_HRTIMER /* undef this only if you don't want to use High Resolution Timers (why?) */
+#endif /* CentOS 5.x */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
+#define WANT_HRTIMER
+#endif /* HRTIMER */
+
#define SKYPOPEN_BLK 1920
#define SKYPOPEN_SLEEP 20