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[RFC PATCH 20/52] Y2038: add function __timer_settime64
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
---
rt/Versions | 1 +
sysdeps/unix/sysv/linux/timer_settime.c | 49 +++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/rt/Versions b/rt/Versions
index f07c8e2b18..4933197aa5 100644
--- a/rt/Versions
+++ b/rt/Versions
@@ -43,5 +43,6 @@ librt {
GLIBC_Y2038 {
__timer_gettime64;
+ __timer_settime64;
}
}
diff --git a/sysdeps/unix/sysv/linux/timer_settime.c b/sysdeps/unix/sysv/linux/timer_settime.c
index ba35036355..d75b24ada8 100644
--- a/sysdeps/unix/sysv/linux/timer_settime.c
+++ b/sysdeps/unix/sysv/linux/timer_settime.c
@@ -41,3 +41,52 @@ timer_settime (timer_t timerid, int flags, const struct itimerspec *value,
return res;
}
+
+/* 64-bit time version */
+
+int
+__timer_settime64 (timer_t timerid, int flags, const struct itimerspec *value,
+ struct itimerspec *ovalue)
+{
+ struct timer *kt = (struct timer *) timerid;
+ struct __itimerspec64 value64;
+ struct itimerspec value32, ovalue32;
+
+ if (value == NULL)
+ return EFAULT;
+
+ if (__y2038_kernel_support())
+ {
+ value64.it_value.tv_sec = value->it_value.tv_sec;
+ value64.it_value.tv_nsec = value->it_value.tv_nsec;
+ value64.it_value.tv_pad = 0;
+ value64.it_interval.tv_sec = value->it_interval.tv_sec;
+ value64.it_interval.tv_nsec = value->it_interval.tv_nsec;
+ value64.it_interval.tv_pad = 0;
+
+ return INLINE_SYSCALL (timer_settime64, 4, kt->ktimerid, flags,
+ &value64, ovalue);
+ }
+
+ if (value->it_value.tv_sec > INT_MAX
+ || value->it_interval.tv_sec > INT_MAX)
+ return EOVERFLOW;
+
+ value32.it_value.tv_sec = value->it_value.tv_sec;
+ value32.it_value.tv_nsec = value->it_value.tv_nsec;
+ value32.it_interval.tv_sec = value->it_interval.tv_sec;
+ value32.it_interval.tv_nsec = value->it_interval.tv_nsec;
+
+ int res = INLINE_SYSCALL (timer_settime, 4, kt->ktimerid, flags,
+ &value32, &ovalue32);
+
+ if (res == 0 && ovalue != NULL)
+ {
+ ovalue->it_value.tv_sec = ovalue32.it_value.tv_sec;
+ ovalue->it_value.tv_nsec = ovalue32.it_value.tv_nsec;
+ ovalue->it_interval.tv_sec = ovalue32.it_interval.tv_sec;
+ ovalue->it_interval.tv_nsec = ovalue32.it_interval.tv_nsec;
+ }
+
+ return res;
+}
--
2.11.0