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[RFC PATCH 38/52] Y2038: add function __adjtime_t64
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
---
sysdeps/unix/sysv/linux/adjtime.c | 43 +++++++++++++++++++++++++++++++++++++++
time/Versions | 1 +
time/adjtime.c | 10 +++++++++
3 files changed, 54 insertions(+)
diff --git a/sysdeps/unix/sysv/linux/adjtime.c b/sysdeps/unix/sysv/linux/adjtime.c
index d98d77064e..28a75a2e40 100644
--- a/sysdeps/unix/sysv/linux/adjtime.c
+++ b/sysdeps/unix/sysv/linux/adjtime.c
@@ -90,3 +90,46 @@ ADJTIME (const struct TIMEVAL *itv, struct TIMEVAL *otv)
#ifdef NO_LOCAL_ADJTIME
weak_alias (__adjtime, adjtime)
#endif
+
+/* 64-bit time version */
+
+extern int __y2038_linux_support;
+
+int __adjtime_t64 (const struct __timeval64 *itv,
+ struct __timeval64 *otv)
+{
+ struct TIMEX tntx;
+
+ if (itv)
+ {
+ struct TIMEVAL tmp;
+
+ /* We will do some check here. */
+ tmp.tv_sec = itv->tv_sec + itv->tv_usec / 1000000L;
+ tmp.tv_usec = itv->tv_usec % 1000000L;
+ if (tmp.tv_sec > MAX_SEC || tmp.tv_sec < MIN_SEC)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
+ tntx.offset = tmp.tv_usec + tmp.tv_sec * 1000000L;
+ tntx.modes = ADJ_OFFSET_SINGLESHOT;
+ }
+ else
+ tntx.modes = ADJ_OFFSET_SS_READ;
+
+ if (__glibc_unlikely (ADJTIMEX (&tntx) < 0))
+ return -1;
+
+ if (otv)
+ {
+ if (tntx.offset < 0)
+ {
+ otv->tv_usec = -(-tntx.offset % 1000000);
+ otv->tv_sec = -(-tntx.offset / 1000000);
+ }
+ else
+ {
+ otv->tv_usec = tntx.offset % 1000000;
+ otv->tv_sec = tntx.offset / 1000000;
+ }
+ }
+ return 0;
+}
diff --git a/time/Versions b/time/Versions
index e6812240e9..0f4600f33c 100644
--- a/time/Versions
+++ b/time/Versions
@@ -76,5 +76,6 @@ libc {
__gettimeofday_t64;
__settimeofday_t64;
__nanosleep_t64;
+ __adjtime_t64;
}
}
diff --git a/time/adjtime.c b/time/adjtime.c
index 180bf48e13..8c01bd0787 100644
--- a/time/adjtime.c
+++ b/time/adjtime.c
@@ -31,3 +31,13 @@ __adjtime (const struct timeval *delta, struct timeval *olddelta)
stub_warning (adjtime)
weak_alias (__adjtime, adjtime)
+
+/* 64-bit time version */
+
+int
+__adjtime_t64 (const struct __timeval64 *delta, struct __timeval64 *olddelta)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (__adjtime_t64)
--
2.11.0