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e3fd454017
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188 Commits

Author SHA1 Message Date
davidxu
e3fd454017 Use TIMERS_UNLOCK. 2005-11-01 07:05:32 +00:00
davidxu
185b13c547 Add code to handle timer_delete(). The timer wrapper code is completely 
rewritten, now timers created with same sigev_notify_attributes will
run in same thread, this allows user to organize which timers can
run in same thread to save some thread resource.
 2005-11-01 06:53:22 +00:00
davidxu
363ab5c566 Add thread exit handler in timer_loop to handle broken buggy code which 
could lead to memory leak.
 2005-10-30 23:59:01 +00:00
davidxu
77f9fea7ac Add timer_create wrapper. 2005-10-30 03:16:30 +00:00
davidxu
2039945090 Remove unused variable. 
Reviewed by: cognet
 2005-10-29 13:40:31 +00:00
davidxu
3882c07f39 Kill unused variable declaration. 2005-10-29 03:08:43 +00:00
davidxu
912a374cd0 Link libthr to libpthread on Alpha and Sparc. 2005-10-27 10:21:23 +00:00
davidxu
3aca9ad9f9 Add experiment code to implement POSIX timer's SIGEV_THREAD notification. 2005-10-26 11:08:32 +00:00
davidxu
0929747005 Follow the change in kernel, joiner thread just waits at thread id 
address, let kernel wake it up.
 2005-10-26 07:11:43 +00:00
davidxu
108506206f Put pthread_condattr_init sorted order. 2005-10-25 00:09:58 +00:00
davidxu
841a0c67c5 Export following functions: 
_pthread_mutexattr_getpshared
	_pthread_mutexattr_setpshared
	pthread_condattr_getpshared
	pthread_condattr_setpshared
	pthread_mutexattr_getpshared
	pthread_mutexattr_setpshared
 2005-10-24 05:20:04 +00:00
davidxu
f8a456fe19 Add functions pthread_mutexattr_setpshared and pthread_mutexattr_getpshared. 2005-10-24 05:16:41 +00:00
davidxu
f24893fc40 The pthread_attr_set_createsuspend_np was broken, fix it by 
replacing THR_FLAGS_SUSPENDED with THR_FLAGS_NEED_SUSPEND.
 2005-10-10 12:15:07 +00:00
davidxu
424c2c3a12 Sort function names. 2005-10-04 08:28:46 +00:00
davidxu
6459dc5d9d Add function pthread_timedjoin_np, the function is similar with pthread_join 
except the function will return ETIMEDOUT if target thread does not exit
before specified absolute time passes.
 2005-10-04 06:15:25 +00:00
stefanf
be47cc4f82 Include needed headers that were obtained through <pthread.h>. Sort headers 
while here.
 2005-09-01 15:21:23 +00:00
stefanf
cb1c3eea78 - Prefix MUTEX_TYPE_MAX with PTHREAD_ to avoid namespace pollution. 
- Remove the macros MUTEX_TYPE_FAST and MUTEX_TYPE_COUNTING_FAST.

OK'ed by:	deischen
 2005-08-19 21:31:42 +00:00
deischen
a1a323c7ed Add usleep to the map files. 
Noticed by:	davidxu
 2005-08-03 01:54:52 +00:00
deischen
6f4c090af6 Add a cancellation point for usleep(). 
While here, fix sleep() so that it is also a cancellation point (a
missing weak reference prevented that).
 2005-08-03 00:47:31 +00:00
davidxu
dc3be45bb9 Cast to uintptr_t to avoid compiler warning, it was broken by 
the recent atomic_ptr() change.
 2005-07-28 03:34:54 +00:00
kensmith
f97f77429f Bump the shared library version number of all libraries that have not 
been bumped since RELENG_5.

Reviewed by:	ru
Approved by:	re (not needed for commit check but in principle...)
 2005-07-22 17:19:05 +00:00
davidxu
4a65a73e58 Fix off-by-one nanosecond bug in macro TIMESPEC_ADD. 
Reviewed by: deischen
Approved by: re (dwhite)
MFC after  : 4 days
 2005-06-22 22:38:56 +00:00
ru
7cec114952 Markup fixes. 
Approved by:	re
 2005-06-16 19:01:07 +00:00
rwatson
cbb1ab3809 Remove incorrect BUGS entry: libthr does support process-scope thread 
scheduling.

MFC after:	1 week
Submitted by:	davidxu
Approved by:	re (scottl)
 2005-06-15 15:21:10 +00:00
rwatson
dffb6088ac Add a stub libthr(3) man page to document what it is and why, as well as 
to point at libmap.conf(5).  This will help answer questions about what
and why it is, although not in great detail.

Approved by:	re (scottl)
MFC after:	1 week
MFC note:	When MFC'd, don't MFC mention of work not yet MFC'd.
 2005-06-11 15:27:56 +00:00
davidxu
094168eea8 Remove COMPAT_32BIT, it is no longer needed. 2005-04-27 01:29:03 +00:00
davidxu
9f7f211673 Remove unused variable. 2005-04-23 03:34:43 +00:00
davidxu
8d38949442 Now libthr only uses GDT based tls on i386. using LDT can only increase 
clock cycles and has 8191 threads limitation.
 2005-04-23 03:31:59 +00:00
davidxu
a0a25ee25d Use thr_new syscall to create a new thread, obscure context operations 
is no longer needed.
 2005-04-23 02:48:59 +00:00
davidxu
d75a2adc3f Add i386_get_gsbase, i386_set_gsbase since old libc doesn't have the 
functions, otherwise user ports have to be rebuilt.
 2005-04-23 02:14:38 +00:00
peter
c1d476c931 Adapt the libpthread patch for using i386_set_gsbase() to libthr. 2005-04-14 00:44:07 +00:00
davidxu
3093d067e4 Conditionally report initial thread event. 2005-04-12 03:13:49 +00:00
davidxu
bc36c64c8d Add missing event reporting code. 2005-04-12 03:08:11 +00:00
davidxu
2cf5eeb001 Add debugger event reporting support, current only TD_CREATE and TD_DEATH 
events are reported.
 2005-04-12 03:00:28 +00:00
cognet
c7b04f713a Use the new atomic_cmpset_32(). 2005-04-07 22:06:05 +00:00
davidxu
22b6b1a4cf Adjust hash function for smaller pthread structure size. 2005-04-07 06:09:17 +00:00
davidxu
ed60415691 Remove unique id field which is no longer used by debugger. 2005-04-06 13:57:31 +00:00
davidxu
a991e5caf8 Remove debug symbol from installed library, one can always 
use compiled version in libthr directory.
 2005-04-06 13:48:11 +00:00
davidxu
1b586b1fd5 Pass exact number of threads. 2005-04-04 23:43:53 +00:00
davidxu
399fdd028a Export pthread_condattr_getclock, pthread_condattr_setclock. 2005-04-03 23:52:29 +00:00
davidxu
f066519e91 Import my recent 1:1 threading working. some features improved includes: 
1. fast simple type mutex.
 2. __thread tls works.
 3. asynchronous cancellation works ( using signal ).
 4. thread synchronization is fully based on umtx, mainly, condition
    variable and other synchronization objects were rewritten by using
    umtx directly. those objects can be shared between processes via
    shared memory, it has to change ABI which does not happen yet.
 5. default stack size is increased to 1M on 32 bits platform, 2M for
    64 bits platform.
As the result, some mysql super-smack benchmarks show performance is
improved massivly.

Okayed by: jeff, mtm, rwatson, scottl
 2005-04-02 01:20:00 +00:00
marcus
a424dc9347 Increase the default stacksizes: 
32-bit		64-bit
main thread	2 MB		4 MB
other threads	1 MB		2 MB

Approved by:	mtm
Adapted from:	libpthread
 2005-03-06 07:56:18 +00:00
peter
5d3a1b43b0 Fix inverted #ifdef that I added. Who had the pointy hat last? 
Submitted by:  kan
 2004-12-06 20:41:09 +00:00
das
130bed6547 Don't include sys/user.h merely for its side-effect of recursively 
including other headers.
 2004-11-27 06:51:39 +00:00
peter
6185c69a2b Use the recently exposed fs/gs set functions when compiling libthr to 
run as a 32 bit support library for an amd64 kernel.  32 bit consumers of
libthr have zero chance of running on an amd64 kernel since we don't
implement the i386_set_ldt() family of functions.  Note that this commit
doesn't make it actually work, it just removes one more obstacle.
 2004-11-06 03:30:53 +00:00
ru
5db2b9d5b3 For variables that are only checked with defined(), don't provide 
any fake value.
 2004-10-24 15:33:08 +00:00
mtm
ce193bdc46 1. Now that it's a thread's state is changed from within the kernel, where 
no userland locks are heald, the dead thread lock can no longer protect
   access to it. Therefore, instead of using an if (!dead)...else clause
   after walking the active threads list test the thread pointer before
   deciding not to walk the dead threads list. If the thread pointer is null
   it means it was not found in the active threads list and the dead threads
   list should be checked.

2. Do not free the stack of a thread that is not marked dead. This is the
   2nd and final part of eliminating the race to free a thread's stack.

MFC after: 3 days
 2004-10-13 11:42:20 +00:00
mtm
9c7869cb6f Remove a reference to a non-existent syscall: _thr_exit(). The 
actual name is thr_exit(). How this ever worked is beyond me.
 2004-10-08 14:48:02 +00:00
mtm
0a21f474dc Close a race between a thread exiting and the freeing of it's stack. 
After some discussion the best option seems to be to signal the thread's
death from within the kernel. This requires that thr_exit() take an
argument.

Discussed with: davidxu, deischen, marcel
MFC after: 3 days
 2004-10-06 14:23:00 +00:00
mtm
18e7a48541 Remove vestiges of libthr's signal mangling past. This fixes that last 
known problem with mysql on libthr: not being able to kill mysqld.
 2004-09-22 18:51:16 +00:00