Author: davidxu
Date: Mon Jan 16 04:39:10 2012
New Revision: 230194
URL: http://svn.freebsd.org/changeset/base/230194
Log:
Eliminate branch and insert an explicit reader memory barrier to ensure
that waiter bit is set before reading semaphore count.
Modified:
head/sys/kern/kern_umtx.c
Modi
Author: davidxu
Date: Mon Jan 16 06:15:14 2012
New Revision: 230201
URL: http://svn.freebsd.org/changeset/base/230201
Log:
Insert read memory barriers.
Modified:
head/lib/libc/gen/sem.c
head/lib/libc/gen/sem_new.c
Modified: head/lib/libc/gen/sem.c
==
On 2012/1/16 15:39, Lawrence Stewart wrote:
On 01/16/12 17:15, David Xu wrote:
Author: davidxu
Date: Mon Jan 16 06:15:14 2012
New Revision: 230201
URL: http://svn.freebsd.org/changeset/base/230201
Log:
Insert read memory barriers.
Modified:
head/lib/libc/gen/sem.c
head/lib/libc/gen
On 2012/1/17 22:57, John Baldwin wrote:
On Monday, January 16, 2012 1:15:14 am David Xu wrote:
Author: davidxu
Date: Mon Jan 16 06:15:14 2012
New Revision: 230201
URL: http://svn.freebsd.org/changeset/base/230201
Log:
Insert read memory barriers.
I think using atomic_load_acq() on sem
On 2012/1/18 23:09, John Baldwin wrote:
On Tuesday, January 17, 2012 9:09:25 pm David Xu wrote:
On 2012/1/17 22:57, John Baldwin wrote:
On Monday, January 16, 2012 1:15:14 am David Xu wrote:
Author: davidxu
Date: Mon Jan 16 06:15:14 2012
New Revision: 230201
URL: http://svn.freebsd.org
On 2012/1/19 11:24, David Xu wrote:
On 2012/1/18 23:09, John Baldwin wrote:
On Tuesday, January 17, 2012 9:09:25 pm David Xu wrote:
On 2012/1/17 22:57, John Baldwin wrote:
On Monday, January 16, 2012 1:15:14 am David Xu wrote:
Author: davidxu
Date: Mon Jan 16 06:15:14 2012
New Revision
On 2012/1/19 23:23, John Baldwin wrote:
On Thursday, January 19, 2012 12:57:50 am David Xu wrote:
rdtsc() may not work on SMP, so I have updated it to use clock_gettime
to get total time.
http://people.freebsd.org/~davidxu/bench/semaphore2/
<http://people.freebsd.org/%7Edavidxu/bench/semapho
On 2012/1/20 0:55, Bruce Evans wrote:
On Thu, 19 Jan 2012, John Baldwin wrote:
On Thursday, January 19, 2012 12:57:50 am David Xu wrote:
rdtsc() may not work on SMP, so I have updated it to use clock_gettime
to get total time.
http://people.freebsd.org/~davidxu/bench/semaphore2/
<h
Author: davidxu
Date: Tue Jun 7 02:50:14 2011
New Revision: 222802
URL: http://svn.freebsd.org/changeset/base/222802
Log:
Use p4prio_to_tsprio to calculate TS priority instead of using
p4prio_to_rtpprio which is for RT priority.
PR: kern/157657
Submitted by: krivenok.dmitry at gmail
Author: davidxu
Date: Thu Jun 16 02:22:24 2011
New Revision: 223136
URL: http://svn.freebsd.org/changeset/base/223136
Log:
Use size of int to fetch sysctl kern.sched.cpusetsize because it had
switched from long to int type in kernel.
Fixed by: pluknet
Modified:
head/lib/libc/gen/syscon
Author: davidxu
Date: Tue Jul 20 02:23:12 2010
New Revision: 210274
URL: http://svn.freebsd.org/changeset/base/210274
Log:
Fix function name in error messages.
Modified:
head/sys/kern/kern_sig.c
Modified: head/sys/kern/kern_sig.c
==
Author: davidxu
Date: Tue Aug 17 02:50:12 2010
New Revision: 211409
URL: http://svn.freebsd.org/changeset/base/211409
Log:
Tweak code a bit to be POSIX compatible, when a cancellation request
is acted upon, or when a thread calls pthread_exit(), the thread first
disables cancellation by sett
Author: davidxu
Date: Fri Aug 20 04:15:05 2010
New Revision: 211522
URL: http://svn.freebsd.org/changeset/base/211522
Log:
According to specification, function fcntl() is a cancellation point only
when cmd argument is F_SETLKW.
Modified:
head/lib/libthr/thread/thr_syscalls.c
Modified: head
Author: davidxu
Date: Fri Aug 20 04:28:30 2010
New Revision: 211523
URL: http://svn.freebsd.org/changeset/base/211523
Log:
If thread set a TDP_WAKEUP for itself, clears the flag and returns EINTR
immediately, this is used for implementing reliable pthread cancellation.
Modified:
head/sys/ke
Author: davidxu
Date: Fri Aug 20 05:15:39 2010
New Revision: 211524
URL: http://svn.freebsd.org/changeset/base/211524
Log:
In current implementation, thread cancellation is done in signal handler,
which does not know what is the state of interrupted system call, for
example, open() system
Author: davidxu
Date: Fri Aug 20 13:42:48 2010
New Revision: 211526
URL: http://svn.freebsd.org/changeset/base/211526
Log:
Reduce redundant code.
Submitted by: kib
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
=
Author: davidxu
Date: Fri Aug 20 23:51:34 2010
New Revision: 211534
URL: http://svn.freebsd.org/changeset/base/211534
Log:
make sure thread lock is locked.
Modified:
head/sys/kern/subr_sleepqueue.c
Modified: head/sys/kern/subr_sleepqueue.c
Author: davidxu
Date: Tue Aug 24 07:22:24 2010
New Revision: 211732
URL: http://svn.freebsd.org/changeset/base/211732
Log:
- According to specification, SI_USER code should only be generated by
standard kill(). On other systems, SI_LWP is generated by lwp_kill().
This will allow conformi
Author: davidxu
Date: Tue Aug 24 07:29:55 2010
New Revision: 211733
URL: http://svn.freebsd.org/changeset/base/211733
Log:
Optimize thr_suspend, if timeout is zero, don't call msleep, just
return immediately.
Modified:
head/sys/kern/kern_thr.c
Modified: head/sys/kern/kern_thr.c
===
Author: davidxu
Date: Tue Aug 24 08:09:30 2010
New Revision: 211735
URL: http://svn.freebsd.org/changeset/base/211735
Log:
Bump __FreeBSD_version for revision 211732.
Noticed by: thompa
Modified:
head/sys/sys/param.h
Modified: head/sys/sys/param.h
===
Author: davidxu
Date: Tue Aug 24 09:57:06 2010
New Revision: 211737
URL: http://svn.freebsd.org/changeset/base/211737
Log:
Add wrapper for setcontext() and swapcontext(), the wrappers
unblock SIGCANCEL which is needed by thread cancellation.
Modified:
head/lib/libthr/pthread.map
head/lib/
Author: davidxu
Date: Wed Aug 25 03:14:32 2010
New Revision: 211794
URL: http://svn.freebsd.org/changeset/base/211794
Log:
If a thread is removed from umtxq while sleeping, reset error code
to zero, this gives userland a better indication that a thread needn't
to be cancelled.
Modified:
h
Author: davidxu
Date: Thu Aug 26 07:09:48 2010
New Revision: 211833
URL: http://svn.freebsd.org/changeset/base/211833
Log:
Decrease rdlock count only when thread unlocked a reader lock.
MFC after:3 days
Modified:
head/lib/libthr/thread/thr_rtld.c
Modified: head/lib/libthr/thread/thr
Author: davidxu
Date: Thu Aug 26 09:04:27 2010
New Revision: 211836
URL: http://svn.freebsd.org/changeset/base/211836
Log:
eliminate unused code.
Modified:
head/lib/libthr/thread/thr_exit.c
head/lib/libthr/thread/thr_private.h
Modified: head/lib/libthr/thread/thr_exit.c
===
Author: davidxu
Date: Fri Aug 27 03:23:07 2010
New Revision: 211859
URL: http://svn.freebsd.org/changeset/base/211859
Log:
clear lock to zero state if it is destroyed.
Modified:
head/lib/libthr/thread/thr_rtld.c
Modified: head/lib/libthr/thread/thr_rtld.c
Author: davidxu
Date: Fri Aug 27 05:20:22 2010
New Revision: 211860
URL: http://svn.freebsd.org/changeset/base/211860
Log:
Unregister thread specific data destructor when a corresponding dso
is unloaded.
Modified:
head/lib/libthr/thread/thr_fork.c
head/lib/libthr/thread/thr_private.h
he
condition. I have not read the code, maybe
this is not a problem.
Regards,
David Xu
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Author: davidxu
Date: Tue Aug 31 07:15:50 2010
New Revision: 212047
URL: http://svn.freebsd.org/changeset/base/212047
Log:
If a process is being debugged, skips job control caused by SIGSTOP/SIGCONT
signals, because it is managed by debugger, however a normal signal sent to
a interruptibly s
Jilles Tjoelker wrote:
On Tue, Aug 31, 2010 at 07:15:50AM +, David Xu wrote:
Author: davidxu
Date: Tue Aug 31 07:15:50 2010
New Revision: 212047
URL: http://svn.freebsd.org/changeset/base/212047
Log:
If a process is being debugged, skips job control caused by SIGSTOP/SIGCONT
signals
Author: davidxu
Date: Wed Sep 1 01:26:07 2010
New Revision: 212075
URL: http://svn.freebsd.org/changeset/base/212075
Log:
rescure comments from RELENG_4.
Modified:
head/sys/kern/kern_sig.c
Modified: head/sys/kern/kern_sig.c
===
Author: davidxu
Date: Wed Sep 1 02:18:33 2010
New Revision: 212076
URL: http://svn.freebsd.org/changeset/base/212076
Log:
Add signal handler wrapper, the reason to add it becauses there are
some cases we want to improve:
1) if a thread signal got a signal while in cancellation point,
Author: davidxu
Date: Wed Sep 1 03:11:21 2010
New Revision: 212077
URL: http://svn.freebsd.org/changeset/base/212077
Log:
Change atfork lock from mutex to rwlock, also make mutexes used by malloc()
module private type, when private type mutex is locked/unlocked, thread
critical region is en
Author: davidxu
Date: Wed Sep 1 03:55:10 2010
New Revision: 212078
URL: http://svn.freebsd.org/changeset/base/212078
Log:
pthread_atfork should acquire writer lock and protect the code
with critical region.
Modified:
head/lib/libthr/thread/thr_fork.c
Modified: head/lib/libthr/thread/thr_f
Author: davidxu
Date: Wed Sep 1 07:09:46 2010
New Revision: 212083
URL: http://svn.freebsd.org/changeset/base/212083
Log:
In function __pthread_cxa_finalize(), also make code for removing
atfork handler be async-signal safe.
Modified:
head/lib/libthr/thread/thr_fork.c
Modified: head/lib/l
Author: davidxu
Date: Wed Sep 1 13:22:55 2010
New Revision: 212095
URL: http://svn.freebsd.org/changeset/base/212095
Log:
Remove incorrect comments, also make sure signal is
disabled when unregistering sigaction.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/
Kostik Belousov wrote:
On Wed, Sep 01, 2010 at 02:18:33AM +, David Xu wrote:
Author: davidxu
Date: Wed Sep 1 02:18:33 2010
New Revision: 212076
URL: http://svn.freebsd.org/changeset/base/212076
Log:
Add signal handler wrapper, the reason to add it becauses there are
some cases we want
Kostik Belousov wrote:
the tf_err may not be equal to ksi_addr! This may need to be fixed.
The change was introduced by
r151316 | davidxu | 2005-10-14
/* Old FreeBSD-style arguments. */
- sf.sf_siginfo = code;
- sf.sf_addr = regs->tf_err;
+ sf.sf_siginfo = ksi->ksi_code;
+
Kostik Belousov wrote:
On Thu, Sep 02, 2010 at 04:34:58PM +, David Xu wrote:
Kostik Belousov wrote:
On Wed, Sep 01, 2010 at 02:18:33AM +, David Xu wrote:
Author: davidxu
Date: Wed Sep 1 02:18:33 2010
New Revision: 212076
URL: http://svn.freebsd.org/changeset/base/212076
Log:
Add
John Baldwin wrote:
On Thursday, September 02, 2010 6:22:18 am Kostik Belousov wrote:
On Thu, Sep 02, 2010 at 05:35:39PM +, David Xu wrote:
Kostik Belousov wrote:
the tf_err may not be equal to ksi_addr! This may need to be fixed.
The change was introduced by
John Baldwin wrote:
On Thursday, September 02, 2010 7:36:08 am David Xu wrote:
John Baldwin wrote:
On Thursday, September 02, 2010 6:22:18 am Kostik Belousov wrote:
On Thu, Sep 02, 2010 at 05:35:39PM +, David Xu wrote:
Kostik Belousov wrote
Author: davidxu
Date: Mon Sep 6 03:00:54 2010
New Revision: 212245
URL: http://svn.freebsd.org/changeset/base/212245
Log:
Fix off-by-one error in function _thr_sigact_unload, also disable the
function, it seems some gnome application tends to crash if we
unregister sigaction automatically.
Author: davidxu
Date: Wed Sep 8 02:18:20 2010
New Revision: 212312
URL: http://svn.freebsd.org/changeset/base/212312
Log:
To avoid possible race condition, SIGCANCEL is always sent except the
thread is dead.
Modified:
head/lib/libthr/thread/thr_cancel.c
Modified: head/lib/libthr/thread/th
Author: davidxu
Date: Fri Sep 10 01:47:37 2010
New Revision: 212405
URL: http://svn.freebsd.org/changeset/base/212405
Log:
Because POSIX does not allow EINTR to be returned from sigwait(),
add a wrapper for it in libc and rework the code in libthr, the
system call still can return EINTR, we
Author: davidxu
Date: Sat Sep 11 08:15:18 2010
New Revision: 212458
URL: http://svn.freebsd.org/changeset/base/212458
Log:
kill() does queue signal now.
Modified:
head/share/man/man3/siginfo.3
Modified: head/share/man/man3/siginfo.3
===
Author: davidxu
Date: Sat Sep 11 09:26:36 2010
New Revision: 212459
URL: http://svn.freebsd.org/changeset/base/212459
Log:
Make a link for pthread_timedjoin_np.
Modified:
head/share/man/man3/Makefile
Modified: head/share/man/man3/Makefile
=
Author: davidxu
Date: Mon Sep 13 07:03:01 2010
New Revision: 212536
URL: http://svn.freebsd.org/changeset/base/212536
Log:
Convert thread list lock from mutex to rwlock.
Modified:
head/lib/libthr/thread/thr_affinity.c
head/lib/libthr/thread/thr_attr.c
head/lib/libthr/thread/thr_cancel.c
Author: davidxu
Date: Mon Sep 13 07:18:00 2010
New Revision: 212539
URL: http://svn.freebsd.org/changeset/base/212539
Log:
PS_DEAD state needs not be checked because _thr_find_thread() has already
checked it.
Modified:
head/lib/libthr/thread/thr_affinity.c
Modified: head/lib/libthr/thread/
Author: davidxu
Date: Mon Sep 13 09:23:38 2010
New Revision: 212548
URL: http://svn.freebsd.org/changeset/base/212548
Log:
Update symbol.
Modified:
head/lib/libthr/pthread.map
Modified: head/lib/libthr/pthread.map
==
Author: davidxu
Date: Mon Sep 13 11:57:46 2010
New Revision: 212551
URL: http://svn.freebsd.org/changeset/base/212551
Log:
Fix copy&paste problem.
Modified:
head/lib/libthr/thread/thr_private.h
Modified: head/lib/libthr/thread/thr_private.h
===
Author: davidxu
Date: Mon Sep 13 11:58:42 2010
New Revision: 212552
URL: http://svn.freebsd.org/changeset/base/212552
Log:
Don't compare thread pointers again.
Modified:
head/lib/libthr/thread/thr_affinity.c
Modified: head/lib/libthr/thread/thr_affinity.c
Author: davidxu
Date: Wed Sep 15 01:21:30 2010
New Revision: 212629
URL: http://svn.freebsd.org/changeset/base/212629
Log:
Move back IN_GCLIST flag into field tlflags, since thread list and gc list
still share same lock.
Modified:
head/lib/libthr/thread/thr_private.h
Modified: head/lib/lib
Author: davidxu
Date: Wed Sep 15 02:56:32 2010
New Revision: 212630
URL: http://svn.freebsd.org/changeset/base/212630
Log:
add code to support stack unwinding when thread exits. note that only
defer-mode cancellation works, asynchrnous mode does not work because
it lacks of libuwind's suppor
David Xu wrote:
Author: davidxu
Date: Wed Sep 15 02:56:32 2010
New Revision: 212630
URL: http://svn.freebsd.org/changeset/base/212630
Log:
add code to support stack unwinding when thread exits. note that only
defer-mode cancellation works, asynchrnous mode does not work because
it lacks
Alexander Kabaev wrote:
On Wed, 15 Sep 2010 02:56:33 + (UTC)
David Xu wrote:
Author: davidxu
Date: Wed Sep 15 02:56:32 2010
New Revision: 212630
URL: http://svn.freebsd.org/changeset/base/212630
Log:
add code to support stack unwinding when thread exits. note that
only defer-mode
M. Warner Losh wrote:
In message: <20100914231728.33ca7...@kan.dnsalias.net>
Alexander Kabaev writes:
: On Wed, 15 Sep 2010 02:56:33 + (UTC)
: David Xu wrote:
:
: > Author: davidxu
: > Date: Wed Sep 15 02:56:32 2010
: > New Revision: 212630
: > URL: http
Author: davidxu
Date: Sun Sep 19 05:19:47 2010
New Revision: 212837
URL: http://svn.freebsd.org/changeset/base/212837
Log:
Fix a race condition when finding stack unwinding functions.
Modified:
head/lib/libthr/thread/thr_exit.c
Modified: head/lib/libthr/thread/thr_exit.c
Author: davidxu
Date: Sun Sep 19 05:42:29 2010
New Revision: 212838
URL: http://svn.freebsd.org/changeset/base/212838
Log:
- _Unwind_Resume function is not used, remove it.
- Use a store barrier to make sure uwl_forcedunwind is lastest thing
other threads can see.
- Add some comments.
M
Author: davidxu
Date: Sun Sep 19 08:55:36 2010
New Revision: 212840
URL: http://svn.freebsd.org/changeset/base/212840
Log:
Fix typo.
Modified:
head/lib/libthr/thread/thr_join.c
Modified: head/lib/libthr/thread/thr_join.c
===
Author: davidxu
Date: Sun Sep 19 09:03:11 2010
New Revision: 212841
URL: http://svn.freebsd.org/changeset/base/212841
Log:
Because atfork lock is held while forking, a thread cancellation triggered
by atfork handler is unsafe, use intenal flag no_cancel to disable it.
Modified:
head/lib/lib
Author: davidxu
Date: Tue Sep 21 06:47:04 2010
New Revision: 212952
URL: http://svn.freebsd.org/changeset/base/212952
Log:
If we are at cancellation point, always work as deferred mode despite
whether asynchronous mode is turned on or not, this always gives us a
chance to decide whether thre
Author: davidxu
Date: Fri Sep 24 07:52:07 2010
New Revision: 213096
URL: http://svn.freebsd.org/changeset/base/213096
Log:
In most cases, cancel_point and cancel_async needn't be checked again,
because cancellation is almostly checked at cancellation points.
Modified:
head/lib/libthr/thread
Author: davidxu
Date: Fri Sep 24 09:04:16 2010
New Revision: 213098
URL: http://svn.freebsd.org/changeset/base/213098
Log:
Now userland POSIX semaphore is based on umtx. The kernel module
is only used to support binary compatible, if want to run old
binary, you need to kldload the module.
M
Author: davidxu
Date: Fri Sep 24 13:01:01 2010
New Revision: 213100
URL: http://svn.freebsd.org/changeset/base/213100
Log:
inline testcancel() into thr_cancel_leave(), because cancel_pending is
almost false, this makes a slight better branch predicting.
Modified:
head/lib/libthr/thread/thr_
Author: davidxu
Date: Sat Sep 25 01:57:47 2010
New Revision: 213153
URL: http://svn.freebsd.org/changeset/base/213153
Log:
To support stack unwinding for cancellation points, add -fexceptions flag
for them, two functions _pthread_cancel_enter and _pthread_cancel_leave
are added to let thread
Author: davidxu
Date: Sat Sep 25 04:21:31 2010
New Revision: 213154
URL: http://svn.freebsd.org/changeset/base/213154
Log:
Simplify code, and in while loop, fix operator to match the unwinding
direction.
Modified:
head/lib/libthr/thread/thr_exit.c
Modified: head/lib/libthr/thread/thr_exit.
Author: davidxu
Date: Sat Sep 25 04:26:40 2010
New Revision: 213155
URL: http://svn.freebsd.org/changeset/base/213155
Log:
Add test cases for stack unwinding.
Added:
head/tools/regression/pthread/unwind/
head/tools/regression/pthread/unwind/Makefile (contents, props changed)
head/tools/
Author: davidxu
Date: Sat Sep 25 06:27:09 2010
New Revision: 213159
URL: http://svn.freebsd.org/changeset/base/213159
Log:
Because old _pthread_cleanup_push/pop do not have frame address,
it is incompatible with stack unwinding code, if they are invoked,
disable stack unwinding for current t
Author: davidxu
Date: Sat Sep 25 08:36:46 2010
New Revision: 213161
URL: http://svn.freebsd.org/changeset/base/213161
Log:
Add missing field.
Modified:
head/lib/libthr/thread/thr_private.h
Modified: head/lib/libthr/thread/thr_private.h
Author: davidxu
Date: Sat Sep 25 09:43:24 2010
New Revision: 213163
URL: http://svn.freebsd.org/changeset/base/213163
Log:
Only access unwind_disabled when _PTHREAD_FORCED_UNWIND is defined.
Modified:
head/lib/libthr/thread/thr_clean.c
Modified: head/lib/libthr/thread/thr_clean.c
===
Andreas Tobler wrote:
Hi!
On 24.09.10 11:04, David Xu wrote:
Author: davidxu
Date: Fri Sep 24 09:04:16 2010
New Revision: 213098
URL: http://svn.freebsd.org/changeset/base/213098
Log:
Now userland POSIX semaphore is based on umtx. The kernel module
is only used to support binary
Author: davidxu
Date: Sun Sep 26 01:41:53 2010
New Revision: 213180
URL: http://svn.freebsd.org/changeset/base/213180
Log:
Follow r213098, kernel POSIX semaphore module is no longer
needed.
Modified:
head/sys/powerpc/conf/GENERIC64
head/sys/sun4v/conf/GENERIC
Modified: head/sys/powerpc/c
Author: davidxu
Date: Sun Sep 26 06:45:24 2010
New Revision: 213182
URL: http://svn.freebsd.org/changeset/base/213182
Log:
Report death event to debugger before moving to gc list, otherwise
debugger may can not find it on thread list.
Modified:
head/lib/libthr/thread/thr_exit.c
Modified: h
Author: davidxu
Date: Tue Sep 28 04:57:56 2010
New Revision: 213241
URL: http://svn.freebsd.org/changeset/base/213241
Log:
In current code, statically initialized and destroyed object have
same null value, the code can not distinguish between them, to
fix the problem, now a destroyed object
Author: davidxu
Date: Wed Sep 29 02:36:58 2010
New Revision: 213256
URL: http://svn.freebsd.org/changeset/base/213256
Log:
Remove a redundant instruction for casuword.
Modified:
head/sys/i386/i386/support.s
Modified: head/sys/i386/i386/support.s
==
Jung-uk Kim wrote:
On Tuesday 28 September 2010 12:20 pm, Jung-uk Kim wrote:
On Tuesday 28 September 2010 12:02 pm, Jung-uk Kim wrote:
On Tuesday 28 September 2010 09:31 am, John Baldwin wrote:
On Tuesday, September 28, 2010 12:57:56 am David Xu wrote:
Author: davidxu
Date: Tue Sep 28 04:57
Author: davidxu
Date: Wed Sep 29 06:06:58 2010
New Revision: 213257
URL: http://svn.freebsd.org/changeset/base/213257
Log:
Check invalid mutex in _mutex_cv_unlock.
Modified:
head/lib/libthr/thread/thr_mutex.c
Modified: head/lib/libthr/thread/thr_mutex.c
==
Author: davidxu
Date: Wed Sep 29 07:31:05 2010
New Revision: 213258
URL: http://svn.freebsd.org/changeset/base/213258
Log:
- kern_sched_rr_get_interval should return interval for thread 1 in
target process.
- eliminate a goto.
MFC after: 1 week
Modified:
head/sys/kern/p1003_1b.c
M
Author: davidxu
Date: Thu Sep 30 01:25:54 2010
New Revision: 213288
URL: http://svn.freebsd.org/changeset/base/213288
Log:
Import unwind.h from libunwind-0.99.
Approved by: core (kib, rwatson, imp, brooks)
Added:
head/include/unwind.h (contents, props changed)
Added: head/include/unw
Author: davidxu
Date: Thu Sep 30 03:09:35 2010
New Revision: 213289
URL: http://svn.freebsd.org/changeset/base/213289
Log:
- Sizeof exception class type should always be 64-bit.
- Make some functions be visible to BSD source code.
Modified:
head/include/unwind.h
Modified: head/include/unwi
Author: davidxu
Date: Thu Sep 30 03:16:35 2010
New Revision: 213290
URL: http://svn.freebsd.org/changeset/base/213290
Log:
Also the stop function should accept 64-bit exception class.
Modified:
head/include/unwind.h
Modified: head/include/unwind.h
Author: davidxu
Date: Thu Sep 30 12:59:56 2010
New Revision: 213297
URL: http://svn.freebsd.org/changeset/base/213297
Log:
change code to use unwind.h.
Modified:
head/lib/libthr/thread/thr_exit.c
head/lib/libthr/thread/thr_private.h
Modified: head/lib/libthr/thread/thr_exit.c
=
Author: davidxu
Date: Fri Oct 8 01:47:14 2010
New Revision: 213539
URL: http://svn.freebsd.org/changeset/base/213539
Log:
unwind.h was imported, gcc directory is no longer needed.
Modified:
head/lib/libthr/Makefile
Modified: head/lib/libthr/Makefile
=
Author: davidxu
Date: Fri Oct 8 01:53:33 2010
New Revision: 213541
URL: http://svn.freebsd.org/changeset/base/213541
Log:
Oops, don't remove -fexceptions flag.
Modified:
head/lib/libthr/Makefile
Modified: head/lib/libthr/Makefile
=
Author: davidxu
Date: Sat Oct 9 02:50:23 2010
New Revision: 213642
URL: http://svn.freebsd.org/changeset/base/213642
Log:
Create a global thread hash table to speed up thread lookup, use
rwlock to protect the table. In old code, thread lookup is done with
process lock held, to find a thread
Robert Watson wrote:
On Sat, 9 Oct 2010, David Xu wrote:
Create a global thread hash table to speed up thread lookup, use
rwlock to protect the table. In old code, thread lookup is done with
process lock held, to find a thread, kernel has to iterate through
process and thread list, this is
Author: davidxu
Date: Tue Oct 12 00:36:56 2010
New Revision: 213714
URL: http://svn.freebsd.org/changeset/base/213714
Log:
Add a flag TDF_TIDHASH to prevent a thread from being
added to or removed from thread hash table multiple times.
Modified:
head/sys/kern/kern_thread.c
head/sys/sys/pr
Author: davidxu
Date: Wed Oct 13 06:28:40 2010
New Revision: 213761
URL: http://svn.freebsd.org/changeset/base/213761
Log:
sigqueue_collect_set() is no longer needed because other functions
maintain pending set correctly.
Modified:
head/sys/kern/kern_sig.c
Modified: head/sys/kern/kern_sig.
Author: davidxu
Date: Thu Oct 14 08:01:33 2010
New Revision: 213829
URL: http://svn.freebsd.org/changeset/base/213829
Log:
In kern_sigtimedwait(), move initialization code out of process lock,
instead of using SIGISMEMBER to test every interesting signal, just
unmask the signal set and let c
Peter Holm wrote:
On Tue, Oct 12, 2010 at 12:36:56AM +, David Xu wrote:
Author: davidxu
Date: Tue Oct 12 00:36:56 2010
New Revision: 213714
URL: http://svn.freebsd.org/changeset/base/213714
Log:
Add a flag TDF_TIDHASH to prevent a thread from being
added to or removed from thread hash
Author: davidxu
Date: Sun Oct 17 11:01:52 2010
New Revision: 213950
URL: http://svn.freebsd.org/changeset/base/213950
Log:
- Insert thread0 into correct thread hash link list.
- In thr_exit() and kthread_exit(), only remove thread from
hash if it can directly exit, otherwise let exit1() do
Author: davidxu
Date: Mon Oct 18 05:09:22 2010
New Revision: 214007
URL: http://svn.freebsd.org/changeset/base/214007
Log:
Add pthread_rwlockattr_setkind_np and pthread_rwlockattr_getkind_np, the
functions set or get pthread_rwlock type, current supported types are:
PTHREAD_RWLOCK_PREFER_
Author: davidxu
Date: Mon Oct 18 05:15:26 2010
New Revision: 214008
URL: http://svn.freebsd.org/changeset/base/214008
Log:
s/||/&&
Modified:
head/lib/libthr/thread/thr_rwlockattr.c
Modified: head/lib/libthr/thread/thr_rwlockattr.c
=
Author: davidxu
Date: Mon Oct 18 05:16:44 2010
New Revision: 214009
URL: http://svn.freebsd.org/changeset/base/214009
Log:
sort function name.
Modified:
head/lib/libthr/pthread.map
Modified: head/lib/libthr/pthread.map
=
Doug Barton wrote:
On Mon, 18 Oct 2010, David Xu wrote:
Author: davidxu
Date: Mon Oct 18 05:15:26 2010
New Revision: 214008
URL: http://svn.freebsd.org/changeset/base/214008
Log:
s/||/&&
Since this came up in another context this evening ...
We can see the "what"
Author: davidxu
Date: Mon Oct 18 09:44:21 2010
New Revision: 214015
URL: http://svn.freebsd.org/changeset/base/214015
Log:
Unbreak buildworld by including pthread_rwlockattr_setkind_np and
pthread_rwlockattr_getkind_np.
Modified:
head/lib/libc/include/namespace.h
head/lib/libc/include/un-
Author: davidxu
Date: Mon Oct 18 23:37:56 2010
New Revision: 214046
URL: http://svn.freebsd.org/changeset/base/214046
Log:
Set default type to PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, this
is the type we are using.
Modified:
head/lib/libthr/thread/thr_rwlockattr.c
Modified: head/lib/l
Author: davidxu
Date: Wed Oct 20 00:41:38 2010
New Revision: 214091
URL: http://svn.freebsd.org/changeset/base/214091
Log:
- Don't include sx.h, it is not needed.
- Check NULL pointer, move timeout calculation code outside of
process lock.
Modified:
head/sys/kern/kern_thr.c
Modified: h
Author: davidxu
Date: Wed Oct 20 02:34:02 2010
New Revision: 214093
URL: http://svn.freebsd.org/changeset/base/214093
Log:
Revert revision 214007, I realized that MySQL wants to resolve
a silly rwlock deadlock problem, the deadlock is caused by writer
waiters, if a thread has already locked
Author: davidxu
Date: Sat Oct 23 13:16:39 2010
New Revision: 214238
URL: http://svn.freebsd.org/changeset/base/214238
Log:
In thr_exit() and kthread_exit(), only remove thread from
hash if it can directly exit, otherwise let exit1() do it.
The change should be in r213950, but for unknown rea
Author: davidxu
Date: Mon Oct 25 09:16:04 2010
New Revision: 214334
URL: http://svn.freebsd.org/changeset/base/214334
Log:
Get cpuset in pthread_attr_get_np() and free it in pthread_attr_destroy().
MFC after:7 days
Modified:
head/lib/libthr/thread/thr_attr.c
head/lib/libthr/thread/
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