From: Alistair Francis <alistair.francis@wdc.com>
To: libc-alpha@sourceware.org
Cc: arnd@arndb.de, adhemerval.zanella@linaro.org, fweimer@redhat.com,
palmer@sifive.com, macro@wdc.com, zongbox@gmail.com,
alistair.francis@wdc.com, alistair23@gmail.com
Subject: [RFC v3 04/23] sysdeps/clock_gettime: Use clock_gettime64 if avaliable
Date: Wed, 17 Jul 2019 00:11:00 -0000 [thread overview]
Message-ID: <1f589e5a3fcaa4c103bc83169fffcdea9e1a6b2d.1563321715.git.alistair.francis@wdc.com> (raw)
In-Reply-To: <cover.1563321715.git.alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
nptl/pthread_mutex_timedlock.c | 7 ++++++
sysdeps/unix/sysv/linux/clock_gettime.c | 30 +++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c
index 52c258e33d..8d9cae7d87 100644
--- a/nptl/pthread_mutex_timedlock.c
+++ b/nptl/pthread_mutex_timedlock.c
@@ -402,10 +402,17 @@ __pthread_mutex_clocklock_common (pthread_mutex_t *mutex,
/* Delay the thread until the timeout is reached.
Then return ETIMEDOUT. */
struct timespec reltime;
+#ifdef __NR_clock_gettime64
+ struct __timespec64 now;
+
+ INTERNAL_SYSCALL (clock_gettime64, __err, 2, CLOCK_REALTIME,
+ &now);
+#else
struct timespec now;
INTERNAL_SYSCALL (clock_gettime, __err, 2, clockid,
&now);
+#endif
reltime.tv_sec = abstime->tv_sec - now.tv_sec;
reltime.tv_nsec = abstime->tv_nsec - now.tv_nsec;
if (reltime.tv_nsec < 0)
diff --git a/sysdeps/unix/sysv/linux/clock_gettime.c b/sysdeps/unix/sysv/linux/clock_gettime.c
index 5fc47fb7dc..4832069c34 100644
--- a/sysdeps/unix/sysv/linux/clock_gettime.c
+++ b/sysdeps/unix/sysv/linux/clock_gettime.c
@@ -27,10 +27,40 @@
#include <sysdep-vdso.h>
/* Get current value of CLOCK and store it in TP. */
+
+#if __WORDSIZE == 32
+int
+__clock_gettime (clockid_t clock_id, struct timespec *tp)
+{
+ int ret;
+
+#ifdef __NR_clock_gettime64
+ struct __timespec64 tp64;
+ ret = INLINE_VSYSCALL (clock_gettime64, 2, clock_id, &tp64);
+
+ tp->tv_sec = tp64.tv_sec;
+ tp->tv_nsec = tp64.tv_nsec;
+
+ if (! in_time_t_range (tp->tv_sec))
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+#endif
+
+#ifndef __ASSUME_TIME64_SYSCALLS
+ ret = INLINE_VSYSCALL (clock_gettime, 2, clock_id, tp);
+#endif
+
+ return ret;
+}
+#else
int
__clock_gettime (clockid_t clock_id, struct timespec *tp)
{
return INLINE_VSYSCALL (clock_gettime, 2, clock_id, tp);
}
+#endif
+
weak_alias (__clock_gettime, clock_gettime)
libc_hidden_def (__clock_gettime)
--
2.22.0
next prev parent reply other threads:[~2019-07-17 0:11 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-17 0:11 [RFC v3 00/23] RISC-V glibc port for the 32-bit Alistair Francis
2019-07-17 0:11 ` Alistair Francis [this message]
2019-07-17 5:39 ` [RFC v3 04/23] sysdeps/clock_gettime: Use clock_gettime64 if avaliable Florian Weimer
2019-07-17 8:04 ` Arnd Bergmann
2019-07-17 8:44 ` Florian Weimer
2019-07-17 9:10 ` Arnd Bergmann
2019-07-17 15:16 ` Florian Weimer
2019-07-18 7:39 ` Arnd Bergmann
2019-07-18 8:19 ` Florian Weimer
2019-07-18 9:15 ` Arnd Bergmann
2019-07-18 18:10 ` Adhemerval Zanella
2019-07-19 21:06 ` Alistair Francis
2019-07-17 7:03 ` Andreas Schwab
2019-07-17 12:37 ` Lukasz Majewski
2019-07-17 0:11 ` [RFC v3 02/23] sysdeps/gettimeofday: " Alistair Francis
2019-07-17 7:09 ` Florian Weimer
2019-07-20 3:21 ` Rich Felker
2019-07-25 20:54 ` Joseph Myers
2019-07-17 12:43 ` Lukasz Majewski
2019-07-17 12:48 ` Lukasz Majewski
2019-07-19 22:29 ` Alistair Francis
2019-07-17 0:11 ` [RFC v3 01/23] sysdeps/nanosleep: Use clock_nanosleep_time64 " Alistair Francis
2019-07-17 5:16 ` Florian Weimer
2019-07-19 17:29 ` Alistair Francis
2019-07-20 14:24 ` Stepan Golosunov
2019-07-22 21:17 ` Alistair Francis
2019-07-17 0:11 ` [RFC v3 03/23] sysdeps/wait: Use waitid " Alistair Francis
2019-07-17 5:31 ` Florian Weimer
2019-07-19 17:52 ` Alistair Francis
2019-07-22 15:58 ` Florian Weimer
2019-07-22 21:06 ` Alistair Francis
2019-07-21 4:03 ` Rich Felker
2019-07-21 4:20 ` Rich Felker
2019-07-21 11:59 ` Eric W. Biederman
2019-07-21 23:00 ` Rich Felker
2019-07-21 7:57 ` Arnd Bergmann
2019-07-21 12:15 ` Eric W. Biederman
2019-07-21 12:28 ` Christian Brauner
2019-07-21 14:31 ` Arnd Bergmann
2019-07-21 15:45 ` Eric W. Biederman
2019-07-21 17:06 ` Arnd Bergmann
2019-07-21 17:22 ` Linus Torvalds
2019-07-21 21:40 ` Eric W. Biederman
2019-07-21 23:24 ` Rich Felker
2019-07-23 0:01 ` Eric W. Biederman
2019-07-23 8:12 ` Arnd Bergmann
2019-07-23 8:29 ` Christian Brauner
2019-07-23 8:45 ` Arnd Bergmann
2019-07-25 0:08 ` Alistair Francis
2019-07-25 4:40 ` Rich Felker
2019-07-25 13:23 ` Arnd Bergmann
2019-07-25 16:06 ` Christian Brauner
2019-07-25 17:14 ` Eric W. Biederman
2019-07-25 17:30 ` Christian Brauner
2019-08-13 22:25 ` Alistair Francis
2019-08-13 23:12 ` Rich Felker
2019-08-14 5:07 ` Christian Brauner
2019-08-14 11:40 ` [PATCH v1 0/1] waitid: process group enhancement christian.brauner
2019-08-14 11:40 ` [PATCH v1 1/1] waitid: Add support for waiting for the current process group christian.brauner
2019-08-14 12:29 ` Oleg Nesterov
2019-08-14 12:46 ` Christian Brauner
2019-08-14 12:50 ` Oleg Nesterov
2019-08-14 12:53 ` Christian Brauner
2019-08-14 13:10 ` [PATCH v2 0/1] waitid: process group enhancement Christian Brauner
2019-08-14 13:10 ` [PATCH v2 1/1] waitid: Add support for waiting for the current process group Christian Brauner
2019-08-14 14:20 ` Oleg Nesterov
2019-08-14 14:35 ` Christian Brauner
2019-08-14 15:27 ` Oleg Nesterov
2019-08-14 15:30 ` Christian Brauner
2019-08-14 15:46 ` [PATCH v3 0/1] waitid: process group enhancement Christian Brauner
2019-08-14 15:46 ` [PATCH v3 1/1] waitid: Add support for waiting for the current process group Christian Brauner
2019-08-14 16:09 ` Oleg Nesterov
2019-08-14 16:15 ` Christian Brauner
2019-08-14 16:34 ` Christian Brauner
2019-08-14 16:55 ` Rich Felker
2019-08-14 17:02 ` Christian Brauner
2019-08-14 17:06 ` Linus Torvalds
2019-08-14 18:00 ` Rich Felker
2019-08-14 20:50 ` Christian Brauner
2019-08-14 15:58 ` [PATCH v3 0/1] waitid: process group enhancement Rich Felker
2019-08-14 16:13 ` Christian Brauner
2019-07-26 23:39 ` [RFC v3 03/23] sysdeps/wait: Use waitid if avaliable Alistair Francis
2019-07-17 0:11 ` [RFC v3 08/23] RISC-V: define __NR_futex as __NR_futex_time64 for 32-bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 19/23] RISC-V: Add ABI lists Alistair Francis
2019-07-17 0:12 ` [RFC v3 23/23] RISC-V: Use 64-bit vdso syscalls Alistair Francis
2019-07-17 5:33 ` Florian Weimer
2019-07-17 8:02 ` Arnd Bergmann
2019-07-17 22:27 ` Alistair Francis
2019-07-17 23:46 ` Alistair Francis
2019-07-18 0:05 ` Alistair Francis
2019-07-17 0:12 ` [RFC v3 09/23] RISC-V: define __NR_* as __NR_*_time64/64 for 32-bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Alistair Francis
2019-07-17 8:27 ` Arnd Bergmann
2019-07-17 22:43 ` Alistair Francis
2019-07-18 7:41 ` Arnd Bergmann
2019-07-18 17:36 ` Alistair Francis
2019-07-19 6:44 ` Arnd Bergmann
2019-07-19 17:06 ` Alistair Francis
2019-07-17 0:12 ` [RFC v3 17/23] RISC-V: Hard float support for the 32 bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 20/23] RISC-V: Build Infastructure for the 32-bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 16/23] RISC-V: The ABI implementation " Alistair Francis
2019-07-17 0:12 ` [RFC v3 22/23] Add RISC-V 32-bit target to build-many-glibcs.py Alistair Francis
2019-07-17 0:12 ` [RFC v3 18/23] RISC-V: Regenerate ULPs of RISC-V Alistair Francis
2019-07-17 0:12 ` [RFC v3 06/23] Documentation for the RISC-V 32-bit port Alistair Francis
2019-07-17 0:12 ` [RFC v3 15/23] RISC-V: Add path of library directories for the 32-bit Alistair Francis
2019-07-17 12:20 ` Florian Weimer
2019-07-17 0:12 ` [RFC v3 11/23] RISC-V: define __vdso_clock_getres as __vdso_clock_getres_time64 for 32-bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 14/23] RISC-V: Support dynamic loader for the 32-bit Alistair Francis
2019-07-17 0:12 ` [RFC v3 13/23] RISC-V: Use 64-bit timespec in clock_gettime vdso calls Alistair Francis
2019-07-17 8:14 ` Arnd Bergmann
2019-07-17 0:12 ` [RFC v3 05/23] sysdeps/timespec_get: Use clock_gettime64 if avaliable Alistair Francis
2019-07-17 5:08 ` Florian Weimer
2019-07-17 7:59 ` Arnd Bergmann
2019-07-17 8:12 ` Florian Weimer
2019-07-17 8:23 ` Arnd Bergmann
2019-07-17 8:41 ` Florian Weimer
2019-07-17 8:54 ` Arnd Bergmann
2019-07-25 20:14 ` Joseph Myers
2019-07-17 12:23 ` Lukasz Majewski
2019-07-17 0:12 ` [RFC v3 21/23] RISC-V: Fix llrint and llround missing exceptions on RV32 Alistair Francis
2019-07-17 12:22 ` Florian Weimer
2019-07-17 22:35 ` Alistair Francis
2019-07-17 0:12 ` [RFC v3 12/23] RISC-V: define __vdso_clock_gettime as __vdso_clock_gettime64 for 32-bit Alistair Francis
2019-07-17 8:16 ` Arnd Bergmann
2019-07-19 17:19 ` Alistair Francis
2019-07-17 0:12 ` [RFC v3 10/23] RISC-V: define __NR_clock_getres as __NR_*_time64 " Alistair Francis
2019-07-19 17:18 ` [RFC v3 00/23] RISC-V glibc port for the 32-bit Alistair Francis
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