*/
/*
* Modification history kernel/time.c
- *
+ *
* 1993-09-02 Philip Gladstone
- * Created file with time related functions from sched.c and adjtimex()
+ * Created file with time related functions from sched.c and adjtimex()
* 1993-10-08 Torsten Duwe
* adjtime interface update and CMOS clock write code
* 1995-08-13 Torsten Duwe
#include <linux/module.h>
#include <linux/timex.h>
#include <linux/capability.h>
+#include <linux/clocksource.h>
#include <linux/errno.h>
#include <linux/syscalls.h>
#include <linux/security.h>
#include <linux/fs.h>
-#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
-/*
+/*
* The timezone where the local system is located. Used as a default by some
* programs who obtain this value by using gettimeofday.
*/
*/
asmlinkage long sys_time(time_t __user * tloc)
{
- time_t i;
- struct timespec tv;
-
- getnstimeofday(&tv);
- i = tv.tv_sec;
+ time_t i = get_seconds();
if (tloc) {
if (put_user(i,tloc))
* why not move it into the appropriate arch directory (for those
* architectures that need it).
*/
-
+
asmlinkage long sys_stime(time_t __user *tptr)
{
struct timespec tv;
/*
* Adjust the time obtained from the CMOS to be UTC time instead of
* local time.
- *
+ *
* This is ugly, but preferable to the alternatives. Otherwise we
* would either need to write a program to do it in /etc/rc (and risk
- * confusion if the program gets run more than once; it would also be
+ * confusion if the program gets run more than once; it would also be
* hard to make the program warp the clock precisely n hours) or
* compile in the timezone information into the kernel. Bad, bad....
*
if (tz) {
/* SMP safe, global irq locking makes it work. */
sys_tz = *tz;
+ update_vsyscall_tz();
if (firsttime) {
firsttime = 0;
if (!tv)
return copy_to_user(txc_p, &txc, sizeof(struct timex)) ? -EFAULT : ret;
}
-inline struct timespec current_kernel_time(void)
-{
- struct timespec now;
- unsigned long seq;
-
- do {
- seq = read_seqbegin(&xtime_lock);
-
- now = xtime;
- } while (read_seqretry(&xtime_lock, seq));
-
- return now;
-}
-
-EXPORT_SYMBOL(current_kernel_time);
-
/**
* current_fs_time - Return FS time
* @sb: Superblock.