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410 Commits

Author SHA1 Message Date
pooka
132ffc213b Include userland version of atomic cas routines in librump. 
(the kernel version disables interrupts and therefore can't be used)
 2009-01-10 23:36:22 +00:00
mjf
a15a784800 The .if conditional crosses a line boundary, so add a backslash. 
This fixes the kernel build for hppa.
 2009-01-06 13:23:31 +00:00
pooka
1ce853369b Temporarily define MCOUNT as a dummy for _RUMPKERNEL to allow build 
to proceed - the MD macros use processor instructions unavailable
to userspace and should/could be provided as interfaces.
 2009-01-05 18:06:57 +00:00
pooka
69885c98a3 Do not use lockpatches with _RUMPKERNEL (non-PIC ... and pointless). 2009-01-04 18:46:16 +00:00
pooka
58302d6770 Opt for libc versions in case of _KERNEL && !_RUMPKERNEL. 
(kernel version uses sti/cli and is not PIC)
 2009-01-04 18:21:38 +00:00
pooka
e77a29de65 allow inclusion of atomic ops in librump 2009-01-04 17:54:29 +00:00
pooka
b6e6025d0d Get rid of locks with static initializers using once and atomic ops. 
This makes proplib simplelock-free.
 2009-01-03 18:31:33 +00:00
ad
30fd42e845 PR kern/40213 my i386 machine can't boot because of tsc 
- Patch in atomic_cas_64() twice. The first patch is early and makes it
  the MP-atomic version available if we have cmpxchg8b. The second patch
  strips the lock prefix if ncpu==1.

- Fix the i486 atomic_cas_64() to not unconditionally enable interrupts.
 2008-12-19 11:21:24 +00:00
christos
2d2593ab23 We don't need this for _STANDALONE, and it needs snprintf to work. 2008-12-17 16:02:27 +00:00
christos
cec60a5890 share with kernel; replaces bitmask_snprintf which was very broken: 
- subtracted one from len without checking if len was 0
- checked for a minimum buffer size
- arguments order was inconsistent with other printf like functions
- no way to tell if it overflowed
 2008-12-16 22:33:11 +00:00
ad
58a45c6ffe Avoid conflicts with ZFS. 2008-12-05 13:11:41 +00:00
haad
e51aea320a Fix two race conditions in proplib library. In prop_dictionary and prop_number 
there was small window in which was entry left in rb tree with reference
count 0 which lead to rb tree coruption when another thread picked this up
before it was released.
Add 2 new members to the prop_object_t which are used for locking/unlocking
rb tree guard mutex.

Ok by joerg@, core@, thorpej@
 2008-11-30 00:17:07 +00:00
jnemeth
e971cab0ab fix build in _STANDALONE case 2008-11-21 03:23:43 +00:00
matt
4de7478cea Make lint happy (stupid lint). 2008-11-21 01:58:41 +00:00
matt
0ad7281825 Add new ptree (Patricia / RADIX tree) implementation to NetBSD. 2008-11-20 23:50:08 +00:00
matt
4a0de1478c Add an atomic_cas_8 which uses ldrex/strex. 2008-11-18 15:22:56 +00:00
jnemeth
ef266cee6b oops, converted some #ifndef into #if defined... 2008-11-17 10:21:30 +00:00
jnemeth
3e8ff10fa3 Convert all #ifdef _KERNEL to #if defined (_KERNEL) || defined(_STANDALONE) 
from Bernd Ernesti on source-changes@.  This fixes a build breakage
with i386/amd64 bootblocks.
 2008-11-17 09:56:48 +00:00
ad
c6555ead19 Our qsort() is inappropriate for kernel use because it makes recursive 
calls. Replace it with a kheapsort() function in kernel. Pointed out
by tron@.
 2008-11-16 16:15:58 +00:00
ad
e5c4df967a Make qsort() available in libkern. 2008-11-16 15:01:26 +00:00
joerg
fd06786f0c Raise correct interrupt on division errors. 2008-10-27 00:20:22 +00:00
mrg
4c0ca913b1 look for COMMON_MACHINE_ARCH before MACHINE_ARCH or MACHINE_CPU. 2008-10-26 07:22:50 +00:00
jmcneill
48e69717fb Emulate cpuid instruction. 2008-10-25 19:01:18 +00:00
ad
ab62b04dc5 Allow atomic ops to be built as part of libpthread. 2008-09-29 08:43:00 +00:00
haad
185aec71fe Add prop_array_add_int* and prop_array_add_uint* functions. These functions 
can be used to append specified type to the end of prop_array_t.

Ok'ed by @joerg.
 2008-09-11 13:15:13 +00:00
joerg
3ae583451f Prepare use of strtoull, strtoumax and strtoimax in tools/compat by 
including nbtool_config.h.
 2008-09-10 18:08:58 +00:00
matt
331139bd61 Properly deal with LIBC namespace issues. 2008-08-22 03:00:02 +00:00
dogcow
e74fc2a17d Unbork cross-builds in tools/compat/ 2008-08-22 01:48:03 +00:00
oster
5577c7fceb Fix build breakage by adding appropriate #includes. 
Patch from joerg@
 2008-08-20 19:58:33 +00:00
joerg
245e086321 Unify the implementation of strto{l,ul,ll,ull,imax,umax,q,uq} into one 
version for signed and one version for unsigned data types.

Add a check for supported bases and set errno (userland) or panic
(kernel, libsa) otherwise.

Make strto{ll,ull,imax,umax} normal symbols and just keep the underscore
versions as strong alias.

Obtained from DragonFly, based on the wide char version from Citrus.
Reviewed by christos@
 2008-08-20 12:42:26 +00:00
matt
c7572a70dd Add assembly versions of atomic ops with ldrex/strex 2008-08-16 07:12:39 +00:00
skrll
d8054af5f4 Provide assembly _atomic_cas_up() as the compiler cannot be trusted to 
generate fully restartable code sequences.
 2008-08-11 21:54:51 +00:00
christos
ecd6bc7086 typo in comment and white-space fixes mostly from Stathis Kamperis 2008-08-11 05:54:21 +00:00
thorpej
4ce0dc3a15 Fix an issue introduced with the prop_stack change: It's not a good idea to 
return a 3-value enum from a function declared to return bool.  This broke
the recurse case for prop_object_equals().  Instead, declare the object type
equals routine to return a _prop_object_equals_rv_t.

Give the same treatment to the object type free routines: declare them to
return a _prop_object_free_rv_t, and consistently check those return values
againt the enum type.

Tidy up some whitespace while we're here.
 2008-08-03 04:00:12 +00:00
thorpej
1d49730690 Fix a typo. 2008-08-03 03:11:28 +00:00
dholland
154fe9b1d9 Don't convert cpuid_t through int while testing it for being in range. 
(Might truncate it, for one thing. Also, if the shift result is < 0 the
demons have already flown out of our nose.)

Fixes some -Wsign-compare warnings.
 2008-07-27 05:47:56 +00:00
rmind
9dfcfe5db5 Add few KASSERTs. 2008-07-14 01:07:39 +00:00
matt
94bc3febe6 Changes to make lint STFU. 2008-06-30 20:54:19 +00:00
matt
5a4f0c6b2b Change tree op members/typedefs to rbto_compare_* from rb_compare_* 2008-06-30 20:14:09 +00:00
matt
48717a981d Move rb.c from sys/lib/libkern to common so it can be in both libc and libkern. 2008-06-30 19:03:59 +00:00
ad
d6c32b235a +atomic_cas_*_ni 2008-06-23 10:33:52 +00:00
ad
7a21650601 Install manual pages for the atomic ops. 2008-06-23 10:22:40 +00:00
he
d6e5879de3 Be consistent in how cpuset_nentries is computed in the kernel and 
in user-land.  This fixes the user-land part.  Now "cpuctl identify 0"
gives a result instead of getting EINVAL from the set-affinity syscall.
 2008-06-22 21:49:31 +00:00
rmind
54ccd4a6fa kcpuset_isset: remove if-check. It is not reasonable for kernel, 
saves few cycles, and it is better for CPU cache.
 2008-06-22 03:24:31 +00:00
christos
dfeefcdcb8 Separate cpuset and kcpuset, and only use the bits in userland. Requested 
by yamt
 2008-06-22 00:05:09 +00:00
thorpej
e0e4b153c9 _prop_rb_tree_insert_node() now returns true/false to indicate if the 
insertion succeeded.  Update existing usage that arranges for insertions
to always succeed to assert that they do.
 2008-06-17 21:29:47 +00:00
christos
ddbb9c58dd We don't need any of this in standalone mode. 2008-06-16 13:02:08 +00:00
christos
04608dd0bf little more lint 2008-06-16 02:53:32 +00:00
christos
834ef62012 make lint happy 2008-06-16 02:30:03 +00:00
rmind
481ae1556f - Add general cpuset macros. 
- Use kcpuset name for kernel-only functions.
- Use cpuid_t to specify CPU ID.
- Unify all cpuset users.

API is expected to be stable now.
 2008-06-16 01:41:20 +00:00
rmind
7d902495c2 cpuset_create: check the return value of calloc(). 2008-06-15 23:45:51 +00:00
rmind
8f8073542b - cpuset_create: pass correct argument to sysctl(3). 
- Constify few variables.
 2008-06-15 23:41:39 +00:00
christos
b46ed27e5c Hook into sys 2008-06-15 20:35:11 +00:00
christos
849fbad5b6 cpuset related functions, shared between the kernel and userland. 2008-06-15 20:33:50 +00:00
wiz
46c5658a32 Sort SEE ALSO. 2008-06-04 07:46:48 +00:00
haad
9b09c481c8 Add prop_array_util functions to proplib. This code is copied/changed 
prop_dictionary_util.

From manual page

The prop_array_util family of functions are provided to make getting and
setting values in arrays more convenient in some applications.

OK by mjf@ and freza@.
 2008-06-03 20:18:24 +00:00
haad
b95cd5a6fe Fix typo. 
OK by martin@.
 2008-06-02 09:27:04 +00:00
chs
6740bb5440 enable profiling of assembly functions. 2008-05-25 15:56:11 +00:00
yamt
75b1a2ec18 fix recursive read-lock bugs found by lockdebug and reported 
by Geoff C. Wing and others.  ok'ed by Jason Thorpe.
an earlier version was tested by Sverre Froyen.
PR/38732 from oster@.
 2008-05-24 14:32:48 +00:00
yamt
6787eedebd revert the recent "use trylock to hide locking errors" changes 
and their associated changes, in particular, the following versions.
	prop_array.c		1.13-1.16
	prop_dictionary.c	1.25-1.28
	prop_object_impl.h	1.21-1.25
ok'ed by core@.
 2008-05-24 14:24:04 +00:00
dyoung
848e7ffe8c In prop_data_create_data(blob, len), if len == 0, allocate no memory 
for blob, and leave pd_mutable set to NULL.  In this way, avoid
tripping over the assertion in prop_data_data_nocopy().
 2008-05-15 21:23:33 +00:00
tron
e70ab693a2 Change the argument of _PROP_RWLOCK_TRYRDLOCK() to the lock member and not 
its address to be consistent with all the other macros.
 2008-05-07 10:16:41 +00:00
tron
2916b940f8 Replace _prop_rwlock_tryrdlock() by a macro _PROP_RWLOCK_TRYRDLOCK(). 
This avoids build failures in stand alone binaries (e.g. bootloaders)
where there is no "pa_rwlock" member in the "_prop_array" structure.
 2008-05-07 10:01:50 +00:00
simonb
4ec02db9e9 Fix a "#define<tab><tab>" that crept in to previous. 2008-05-07 05:40:01 +00:00
xtraeme
35fe7cdcf1 prop_object_iterator_next() and prop_object_iterator_reset() were 
acquiring the rwlock recursively in some paths.

Introduce _prop_rwlock_tryrdlock() and use it in these functions, so
that the rwlock is *always* acquired once, while here add some
_PROP_RWLOCK_OWNED asserts to verify.

This definitely fixes the "locking against myself" panics.
 2008-05-06 22:57:26 +00:00
xtraeme
d69a8a8939 Xref prop_dictionary_util(3). 2008-05-06 17:23:38 +00:00
xtraeme
771a05b730 Do not acquire the rwlock recursively in prop_{array,dictionary}_iterator_reset() 
when prop_{array,dictionary}_copyout_ioctl() is called.

Introduce _PROP_RWLOCK_OWNED() which is a KASSERT(rw_lock_held(lock))
and use it in those two functions, also acquire the rwlock in other
places where it is required now.

This fixes a LOCKDEBUG panic "locking against myself", as reported by
Geoff C. Wing in current-users@.
 2008-05-06 13:52:51 +00:00
yamt
78eb84d14c whitespace. 2008-05-03 05:43:05 +00:00
yamt
9093441576 rename END to ENDLABEL. i'll use END for other purpose. ok by Andrew Doran. 2008-05-03 05:40:21 +00:00
martin
11a6dbe728 Convert TNF licenses to new 2 clause variant 2008-04-30 13:10:46 +00:00
tsutsui
2be642537b Make this compile (missing register prefix). 2008-04-30 09:59:42 +00:00
ad
9ba64b51be Assembly _atomic_cas_up() for mips. PR lib/38482. 2008-04-30 00:17:34 +00:00
scw
4e2c4c42b4 Implement _atomic_cas_up() in assembly code as the compiler cannot be 
trusted to generate fully restartable code sequences.

Addresses lib/38482 for ARM and m68000.
 2008-04-29 20:57:50 +00:00
martin
3028e483e4 Convert to new 2 clause license 2008-04-29 06:53:00 +00:00
martin
ce099b4099 Remove clause 3 and 4 from TNF licenses 2008-04-28 20:22:51 +00:00
nakayama
99adca9efa Use %xcc for 64-bit comparisons. 2008-04-09 12:49:05 +00:00
tsutsui
c3b0f346ec Fix pasto. 2008-04-06 04:01:56 +00:00
tsutsui
7dfcdee2a2 Use .c version atomic ops for m68010. 2008-04-05 22:28:36 +00:00
he
73e50f111b Do like the non-__OPTIMIZE_SIZE__ variant, and compile memset() unless 
BZERO is defined, instead of requiring MEMSET to be defined.

Avoids violating the principle of least astonishment, and also fixes
the build of stand/ and kernels for (at least) alpha.
 2008-03-29 14:03:22 +00:00
he
a58a2cddc0 Make the size-optimized memset() actually conform to the man page 
by returning the first arg.
 2008-03-29 12:25:32 +00:00
apb
f5c2801052 Add /* __OPTIMIZE_SIZE__ */ comments on relevant #else and #endif lines. 
Also change some #ifdef to #if defined() for consistency.
 2008-03-26 06:19:36 +00:00
christos
9f2bc34fb9 bcopy does not return ptr. 2008-03-25 23:23:34 +00:00
christos
93f951ce0d fix #ifdefs for BCOPY 2008-03-25 23:16:29 +00:00
christos
985a3d11e8 add bcopy and bzero for the benefit of loadfile. 2008-03-25 23:13:15 +00:00
christos
9e32ad04aa add __OPTIMIZE_SIZE__ versions. 2008-03-25 21:22:37 +00:00
kochi
2ead1ed5c4 Add atomic_cas_foo_ni alias. 2008-03-24 14:59:30 +00:00
kochi
473f1b48ee Add ia64 MI atomic ops. 
(Not tested at all, just for reference)
 2008-03-20 07:10:31 +00:00
ad
b0f548e27b oops 2008-03-07 02:18:34 +00:00
ad
bb9b5eb92c In libc, use the MI atomic_cas(). The assembly version is faster, but I 
think there are PIC issues with it and I don't have a way to fix and test.
 2008-03-07 01:18:54 +00:00
phx
e6d6e05cb1 Including assym.h is not needed and will break the build, because it does not 
exist that early. Deleted it.
Approved by garbled.
 2008-03-06 21:17:17 +00:00
cube
5b25d80ca0 Actually implement prop_dictionary_make_immutable. OK'd by thorpej@. 2008-03-05 07:47:09 +00:00
lukem
8346a6360d Use mkstemp() + fchmod() instead of mktemp(), since the latter 
results in linker warnings.
 2008-02-23 01:26:01 +00:00
garbled
2ba84f0f9e Add tuned powerpc assembler written by IBM and released under a 3-clause 
BSD Lisc as part of the perflib project.
http://sourceforge.net/projects/ppcperflib/

Tested the new functions with microbenchmarks on a number of different
CPU types, and  found that most cpus either benefited greatly, or were
unaffected.  Primarily G4 CPU's were unaffected, and all others showed
speedups.  My 7044 (POWER3) went from a 70.6 to a 73.2 (thats good) in
bytebench with a complete release built with these.  Also passed
regression tests.
 2008-02-21 17:35:47 +00:00
apb
267197ec1e For all files under src/common, as well as related man pages under 
src/lib/libc, or related headers under src/sys/sys: change u_intNN_t to
uintNN_t.
 2008-02-16 17:37:13 +00:00
apb
cf01a0f8c8 C99 is no longer "very recent". Adjust a comment accordingly, and 
start using uintNN_t instead of u_intNN_t in the definitions of
sha2_{byte,word32,word64}.
 2008-02-16 17:15:32 +00:00
dogcow
26a84bff72 add missing %. (hi matt!) 2008-02-13 03:55:54 +00:00
ad
2d0314d313 Always enable memory barriers in userspace, otherwise libpthread won't 
work correctly on MP systems.
 2008-02-12 18:40:28 +00:00
ad
b86eac67c4 Correct a dodgy alias. 2008-02-12 18:35:38 +00:00
matt
360e0475e3 Use %rN as all new code is supposed to. 2008-02-12 07:58:01 +00:00
matt
131790b421 Fix pthread problem. (export membar* to userland) 2008-02-12 07:35:04 +00:00
ad
eff625dc0e Put back a __predict_false removed during testing and fix atomic_cas_mp(). 2008-02-11 23:48:23 +00:00
ad
a3fb849dfc Clarify what membar_enter/membar_exit provide. 2008-02-11 15:12:07 +00:00
ad
1b2aff1f03 Note many of the restrictions, and clarify the section on global 
visibility.
 2008-02-11 15:01:24 +00:00
ad
b3193dc791 Only build atomic ops for libkern/libc. 2008-02-11 14:21:11 +00:00
ad
b5b3e9fb51 Enable the atomic ops in userspace. 2008-02-10 18:45:40 +00:00
ad
12190eee54 Fix name of the init function. 2008-02-10 13:41:02 +00:00
ad
646fc3baa9 Add atomic_cas_foo_ni(). 2008-02-10 13:40:31 +00:00
ad
cc655ebd16 Add atomic_cas_foo_ni(). 2008-02-10 13:25:46 +00:00
ad
a180c2a1f7 membar_enter was doing the wrong thing. For x86 we can alias: 
membar_enter -> membar_consumer
	membar_exit -> membar_producer
 2008-02-09 13:42:21 +00:00
ad
d418b9fe8b Some glue for atomic ops in userspace. 2008-02-09 13:30:54 +00:00
matt
350555cd1f Add the .C versions for the atomic ops. 2008-02-03 07:46:38 +00:00
nakayama
da1555e6a7 Search files in arch/sparc64/atomic before arch/sparc/atomic in case of 
sparc64 32-bit kernel.

Make sparc64 32-bit kernel works again.
 2008-01-22 12:34:58 +00:00
nakayama
b4ed00a22d Use __arch64__ instead of __sparc64__, since -D__sparc64__ is appended 
to build option of sparc64 32-bit kernel.
 2008-01-22 12:32:07 +00:00
christos
428727f47f PR/37838: Stathis Kamperis: proplib documentation enhancements 2008-01-21 22:15:03 +00:00
ad
607fd8ae21 atomic_and/atomic_or don't operate on pointers, so don't copy the return 
to a0. From thorpej@.
 2008-01-12 17:29:03 +00:00
ad
f6c08490ef Don't put membar in the delay slot. thorpej@ says it may be problematic. 2008-01-12 17:27:28 +00:00
simonb
d8de5b102b Remove support for NetBSD/pc532. 2008-01-09 11:25:58 +00:00
martin
ececdb7913 When passing char (or unsigned char) arguments as int, assign them to a 
temporary char (resp. unsigned char) before comparing, to force truncation
to the proper domain. This makes the coresponding regression tests succeed.
 2008-01-08 21:57:06 +00:00
ad
9324487752 Include sys/simplelock.h in prop_object_impl.h. 2008-01-05 01:15:02 +00:00
mjf
83535b7f11 Nuke prop_dictionary_capacity, there was no implementation for it. 
No objections on tech-kern.
 2008-01-05 00:23:46 +00:00
xtraeme
0f546319ca sys/simplelock.h is required now. 2008-01-04 21:33:17 +00:00
mrg
97e461c633 - provide 32 bit versions of the sparc v9 atomic ops. 
- use them on sparc64 32 bit kernels.

fixes issues on 32 bit sparc64 kernels that were using sparc v8 ops.
tested by rjs@.
 2007-12-22 23:19:40 +00:00
tsutsui
3e9910f3b8 Disable a sanity check output buffer != NULL in _STANDALONE case. 
Some kernels are loaded at address 0x0 by bootloaders and
output buffer address could be zero in such case.

Fixes "read text" errors on loading install floppy of NetBSD/news68k 4.0,
reported by KIYOHARA Takashi on port-news68k.
 2007-12-22 00:52:03 +00:00
joerg
45f2572a92 Add virtual i8254 for x86emu. 2007-12-21 17:45:50 +00:00
ad
e16a661bf3 - Make __cpu_simple_lock and similar real functions and patch at runtime. 
- Remove old x86 atomic ops.
- Drop text alignment back to 16 on i386 (really, this time).
- Minor cleanup.
 2007-12-20 23:46:10 +00:00
ad
163e94a67e 64-bit atomic ops for i386. 2007-12-20 01:27:24 +00:00
joerg
823959a6b2 Refactor interrupt dispatching. 2007-12-13 16:41:59 +00:00
ad
9e9c09c30a Fix _atomic_cas_64. Noted by bouyer@. 2007-12-10 14:13:12 +00:00
ad
164992f1a5 Add missing strong aliases. 2007-12-09 17:38:51 +00:00
ad
6260baac6e Add missing strong aliases; sure I did this before? 2007-12-09 17:33:56 +00:00
ad
1206a8cb5c Add some goo to make this work in userspace. 2007-12-08 22:53:33 +00:00
ad
96f5ce86b9 objdump -d to the rescue. I think this should work now. 2007-12-08 22:42:46 +00:00
joerg
e982f87297 Expect that src/common/include is in include path and use x86emu/* for 
the includes.
 2007-12-04 17:32:22 +00:00
he
1e962f25f7 Correct what must obviously be a cut+paste-induced set of typos. 2007-12-04 01:13:38 +00:00
wiz
7b371a343f Typo fixes. 2007-12-02 18:57:56 +00:00
joerg
00487473b9 Move x86emu's include files to src/common/include/x86emu. 2007-12-01 20:14:09 +00:00
ad
234aa6237e Memory barriers for MIPS. 2007-11-30 22:50:44 +00:00
joerg
22ac6fc0fb Add x86emu for in-kernel use. This is a 386 real mode emulator that can 
be used to run ROM code inside the kernel without having to setup vm86
and without having a x86 CPU at hand.

This code was originally written by SciTech and released under MIT/X11
license for XFree86. It has been refactored be less than half of the
original size, the compiled code being around a third of the former
size. The interface was changed to be a real library, e.g. no global
variables are used.
 2007-11-30 20:02:49 +00:00
ad
4d460dc055 This is atomic_dec, not atomic_inc! 2007-11-30 17:11:48 +00:00
ad
f377e7f907 Fix ia32 -> amd64 thinko. 2007-11-29 21:59:47 +00:00
ad
7243d328e1 Atomic ops for sh3. 2007-11-29 17:33:38 +00:00
ad
6f3a041727 atomic_add_* takes signed integers, the others take unsigned. 2007-11-29 17:29:40 +00:00
ad
29d1edb61b Apparently pointers are also returned in %a0. 2007-11-29 17:12:21 +00:00
ad
935eacf351 Pull in m68k atomic ops from the thorpej-atomic branch. 2007-11-29 17:09:31 +00:00
ad
6b0ff77038 Atomic ops for hppa. 2007-11-29 16:14:56 +00:00
ad
881b1b699e Use the CAS-based inc/dec variants, since these CPUs don't have atomic 
add in hardware (does arm?).
 2007-11-29 15:29:46 +00:00
ad
fe803ab0ed Add inc/dec variants that use atomic_cas in preference to atomic_add. 2007-11-29 15:27:57 +00:00
ad
5c5043b187 membar_read/write are gone. 2007-11-29 15:20:43 +00:00
ad
11f83d35dd Atomic ops for arm. 2007-11-29 15:19:54 +00:00
ad
2da5f5559a Fix the aliases. 2007-11-29 02:16:00 +00:00