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[[PATCH RFC 2] 29/63] Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
---
rt/Makefile | 3 +-
rt/Versions | 1 +
rt/timerfd_gettime64.c | 29 +++++++++++++++
sysdeps/unix/sysv/linux/arm/librt.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/librt.abilist | 1 +
sysdeps/unix/sysv/linux/timerfd_gettime64.c | 43 ++++++++++++++++++++++
6 files changed, 77 insertions(+), 1 deletion(-)
create mode 100644 rt/timerfd_gettime64.c
create mode 100644 sysdeps/unix/sysv/linux/timerfd_gettime64.c
diff --git a/rt/Makefile b/rt/Makefile
index 6d6b896ee9..c0aad5d8e2 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -32,7 +32,8 @@ clock-routines := get_clockfreq clock_getcpuclockid \
clock_getres clock_gettime clock_settime \
clock_nanosleep
timer-routines := timer_create timer_delete timer_getoverr \
- timer_gettime timer_settime
+ timer_gettime timer_settime \
+ timerfd_gettime64
shm-routines := shm_open shm_unlink
mq-routines := mq_open mq_close mq_unlink mq_getattr mq_setattr \
mq_notify mq_send mq_receive mq_timedsend \
diff --git a/rt/Versions b/rt/Versions
index 181e5e16ad..ad1e50748a 100644
--- a/rt/Versions
+++ b/rt/Versions
@@ -40,5 +40,6 @@ librt {
GLIBC_2.27 {
__timer_gettime64;
__timer_settime64;
+ __timerfd_gettime64;
}
}
diff --git a/rt/timerfd_gettime64.c b/rt/timerfd_gettime64.c
new file mode 100644
index 0000000000..72d0b68a4a
--- /dev/null
+++ b/rt/timerfd_gettime64.c
@@ -0,0 +1,29 @@
+/* Get current value of timer TIMERID and store it in VALUE.
+
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <time.h>
+
+int
+__timerfd_gettime64 (int fd, struct itimerspec *value)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (__timerfd_gettime64)
diff --git a/sysdeps/unix/sysv/linux/arm/librt.abilist b/sysdeps/unix/sysv/linux/arm/librt.abilist
index d76ec99c0a..a329b25661 100644
--- a/sysdeps/unix/sysv/linux/arm/librt.abilist
+++ b/sysdeps/unix/sysv/linux/arm/librt.abilist
@@ -1,6 +1,7 @@
GLIBC_2.27 GLIBC_2.27 A
GLIBC_2.27 __timer_gettime64 F
GLIBC_2.27 __timer_settime64 F
+GLIBC_2.27 __timerfd_gettime64 F
GLIBC_2.4 GLIBC_2.4 A
GLIBC_2.4 aio_cancel F
GLIBC_2.4 aio_cancel64 F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
index cd7b5f1b97..ec80f749ae 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
@@ -32,6 +32,7 @@ GLIBC_2.2 timer_settime F
GLIBC_2.27 GLIBC_2.27 A
GLIBC_2.27 __timer_gettime64 F
GLIBC_2.27 __timer_settime64 F
+GLIBC_2.27 __timerfd_gettime64 F
GLIBC_2.3.4 GLIBC_2.3.4 A
GLIBC_2.3.4 mq_close F
GLIBC_2.3.4 mq_getattr F
diff --git a/sysdeps/unix/sysv/linux/timerfd_gettime64.c b/sysdeps/unix/sysv/linux/timerfd_gettime64.c
new file mode 100644
index 0000000000..0c79ba41f1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timerfd_gettime64.c
@@ -0,0 +1,43 @@
+/* Get current value of timer TIMERID and store it in VALUE.
+
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sysdep.h>
+#include "kernel-posix-timers.h"
+
+int
+__timerfd_gettime64 (int fd, struct __itimerspec64 *value)
+{
+ int res;
+ struct itimerspec value32;
+
+ res = INLINE_SYSCALL (timerfd_gettime, 2, fd, &value32);
+
+ if (res == 0)
+ {
+ value->it_value.tv_sec = value32.it_value.tv_sec;
+ value->it_value.tv_nsec = value32.it_value.tv_nsec;
+ value->it_interval.tv_sec = value32.it_interval.tv_sec;
+ value->it_interval.tv_nsec = value32.it_interval.tv_nsec;
+ }
+
+ return res;
+}
--
2.14.1