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authorUlrich Drepper <drepper@redhat.com>2010-03-25 04:01:33 -0700
committerUlrich Drepper <drepper@redhat.com>2010-03-25 04:01:33 -0700
commit89a4419cc384c090b1eabe610647aa4e14436a3f (patch)
tree253c7010cf7a78c1736f6e0a6e19731ce0adc69c
parent03615f7d837398790f88f7bd936a33a99e799af5 (diff)
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Add support for new clocks.
Recent Linux kernels added support for the CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE, and CLOCK_MONOTONIC_COARSE clocks.
-rw-r--r--ChangeLog11
-rw-r--r--bits/time.h8
-rw-r--r--sysdeps/unix/sysv/linux/clock_getres.c8
-rw-r--r--sysdeps/unix/sysv/linux/clock_gettime.c5
-rw-r--r--sysdeps/unix/sysv/linux/clock_settime.c5
5 files changed, 32 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 08db020..6029367 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
+2010-03-24 Ulrich Drepper <drepper@redhat.com>
+
+ [BZ #11389]
+ * bits/time.h: Define CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE, and
+ CLOCK_MONOTONIC_COARSE.
+ * sysdeps/unix/sysv/linux/clock_getres.c: Handle CLOCK_MONOTONIC_RAW,
+ CLOCK_REALTIME_COARSE, and CLOCK_MONOTONIC_COARSE.
+ * sysdeps/unix/sysv/linux/clock_gettime.c: Likewise.
+ * sysdeps/unix/sysv/linux/clock_settime.c: Likewise.
+
2010-03-16 Chris Demetriou <cgd@google.com>
+ [BZ #11394]
* locale/programs/simple-hash.c: Include inttypes.h.
(hashval_t): Defined to be uint32_t.
* locale/programs/simple_hash.h: Include inttypes.h.
diff --git a/bits/time.h b/bits/time.h
index b3184d1..968ecc5 100644
--- a/bits/time.h
+++ b/bits/time.h
@@ -1,5 +1,5 @@
/* System-dependent timing definitions. Generic version.
- Copyright (C) 1996,1997,1999-2002,2003 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1999-2002,2003,2010 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
@@ -50,6 +50,12 @@ extern long int __sysconf (int);
# define CLOCK_PROCESS_CPUTIME_ID 2
/* Thread-specific CPU-time clock. */
# define CLOCK_THREAD_CPUTIME_ID 3
+/* Monotonic system-wide clock, not adjusted for frequency scaling. */
+# define CLOCK_MONOTONIC_RAW 4
+/* Identifier for system-wide realtime clock, updated only on ticks. */
+# define CLOCK_REALTIME_COARSE 5
+/* Monotonic system-wide clock, updated only on ticks. */
+# define CLOCK_MONOTONIC_COARSE 6
/* Flag to indicate time is absolute. */
# define TIMER_ABSTIME 1
diff --git a/sysdeps/unix/sysv/linux/clock_getres.c b/sysdeps/unix/sysv/linux/clock_getres.c
index 581ff22..933580b 100644
--- a/sysdeps/unix/sysv/linux/clock_getres.c
+++ b/sysdeps/unix/sysv/linux/clock_getres.c
@@ -1,5 +1,5 @@
/* clock_getres -- Get the resolution of a POSIX clockid_t. Linux version.
- Copyright (C) 2003,2004,2005,2006, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003,2004,2005,2006,2008,2010 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
@@ -44,6 +44,9 @@
SYSDEP_GETRES_CPUTIME \
case CLOCK_REALTIME: \
case CLOCK_MONOTONIC: \
+ case CLOCK_MONOTONIC_RAW: \
+ case CLOCK_REALTIME_COARSE: \
+ case CLOCK_MONOTONIC_COARSE: \
SYSCALL_GETRES
# define __libc_missing_posix_timers 0
@@ -80,6 +83,9 @@ maybe_syscall_getres (clockid_t clock_id, struct timespec *res)
SYSDEP_GETRES_CPUTIME \
case CLOCK_REALTIME: \
case CLOCK_MONOTONIC: \
+ case CLOCK_MONOTONIC_RAW: \
+ case CLOCK_REALTIME_COARSE: \
+ case CLOCK_MONOTONIC_COARSE: \
retval = maybe_syscall_getres (clock_id, res); \
if (retval == 0) \
break; \
diff --git a/sysdeps/unix/sysv/linux/clock_gettime.c b/sysdeps/unix/sysv/linux/clock_gettime.c
index cd536a0..dd3755c 100644
--- a/sysdeps/unix/sysv/linux/clock_gettime.c
+++ b/sysdeps/unix/sysv/linux/clock_gettime.c
@@ -1,5 +1,5 @@
/* clock_gettime -- Get current time from a POSIX clockid_t. Linux version.
- Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
+ Copyright (C) 2003,2004,2005,2006,2007,2010 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
@@ -80,6 +80,9 @@ maybe_syscall_gettime (clockid_t clock_id, struct timespec *tp)
SYSDEP_GETTIME_CPUTIME \
case CLOCK_REALTIME: \
case CLOCK_MONOTONIC: \
+ case CLOCK_MONOTONIC_RAW: \
+ case CLOCK_REALTIME_COARSE: \
+ case CLOCK_MONOTONIC_COARSE: \
retval = maybe_syscall_gettime (clock_id, tp); \
if (retval == 0) \
break; \
diff --git a/sysdeps/unix/sysv/linux/clock_settime.c b/sysdeps/unix/sysv/linux/clock_settime.c
index 217ae3f..8c52456 100644
--- a/sysdeps/unix/sysv/linux/clock_settime.c
+++ b/sysdeps/unix/sysv/linux/clock_settime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006, 2010 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
@@ -45,7 +45,7 @@ maybe_syscall_settime_cpu (clockid_t clock_id, const struct timespec *tp)
INTERNAL_SYSCALL_DECL (err);
int r = INTERNAL_SYSCALL (clock_settime, err, 2, clock_id, tp);
if (!INTERNAL_SYSCALL_ERROR_P (r, err))
- return 0;
+ return 0;
e = INTERNAL_SYSCALL_ERRNO (r, err);
# ifndef __ASSUME_POSIX_TIMERS
@@ -90,6 +90,7 @@ extern int __libc_missing_posix_timers attribute_hidden;
/* The REALTIME clock might be available. Try the syscall first. */
# define SYSDEP_SETTIME \
case CLOCK_REALTIME: \
+ case CLOCK_REALTIME_COARSE: \
{ \
int e = EINVAL; \
\