Initial Contribution

libc/kernel/common/linux/ktime.h

@@ -0,0 +1,52 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_KTIME_H
+#define _LINUX_KTIME_H
+
+#include <linux/time.h>
+#include <linux/jiffies.h>
+
+typedef union {
+ s64 tv64;
+#if BITS_PER_LONG != (64 && !defined(CONFIG_KTIME_SCALAR))
+ struct {
+#ifdef __BIG_ENDIAN
+ s32 sec, nsec;
+#else
+ s32 nsec, sec;
+#endif
+ } tv;
+#endif
+} ktime_t;
+
+#define KTIME_MAX ((s64)~((u64)1 << 63))
+#define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC)
+
+#if BITS_PER_LONG == 64
+
+#if BITS_PER_LONG == 64
+#endif
+#define ktime_sub(lhs, rhs)   ({ (ktime_t){ .tv64 = (lhs).tv64 - (rhs).tv64 }; })
+#define ktime_add(lhs, rhs)   ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; })
+#define ktime_add_ns(kt, nsval)   ({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; })
+#define ktime_to_timespec(kt) ns_to_timespec((kt).tv64)
+#define ktime_to_timeval(kt) ns_to_timeval((kt).tv64)
+#define ktime_to_ns(kt) ((kt).tv64)
+#else
+
+#endif
+#define KTIME_REALTIME_RES (ktime_t){ .tv64 = TICK_NSEC }
+#define KTIME_MONOTONIC_RES (ktime_t){ .tv64 = TICK_NSEC }
+
+#define ktime_get_real_ts(ts) getnstimeofday(ts)
+
+#endif