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220 Commits

Author SHA1 Message Date
David Xu
bab012a948 Read cycle count before sending signal, this fixes a userland thread 
suspension bug.

MFC after: 3 days
 2006-02-20 09:02:40 +00:00
David Xu
6f716c2f82 Rework last change of pthread_once, create a function _thr_once_init to 
reinitialize its internal locks.
 2006-02-15 23:05:03 +00:00
David Xu
c5d2fb8df7 After fork(), reinitialize internal locks for pthread_once(). 2006-02-15 13:41:02 +00:00
David Xu
8956297a57 Now, thread name is stored in kernel, userland no longer has to keep it. 2006-02-05 03:04:54 +00:00
David Xu
3f7dda33b7 use syscall thr_set_name to implement pthread_set_name_np. 2006-02-05 02:26:17 +00:00
David Xu
5f9df00649 Add missing symbol pthread_set_name_np. 2006-01-23 06:11:23 +00:00
David Xu
1c9db39d88 Eliminate unused code. 2006-01-16 05:33:48 +00:00
David Xu
add2da0db1 Enable mutex inheritance code in mutex_fork, I forgot to turn on it. 
while here, add some comments about process shared mutex.
 2006-01-14 11:33:43 +00:00
Jason Evans
90dc795234 Increase the number of spinlocks, since libc's malloc implementation is 
about to significantly increase the number of spinlocks used.

Approved by:	markm (mentor)
 2006-01-13 06:14:04 +00:00
Jason Evans
52828c0e9c In preparation for a new malloc implementation: 
* Add posix_memalign().

  * Move calloc() from calloc.c to malloc.c.  Add a calloc() implementation in
    rtld-elf in order to make the loader happy (even though calloc() isn't
    used in rtld-elf).

  * Add _malloc_prefork() and _malloc_postfork(), and use them instead of
    directly manipulating __malloc_lock.

Approved by:	phk, markm (mentor)
 2006-01-12 07:28:21 +00:00
David Xu
07a263153e The thr_new sysscall was already in libc, don't generate it. 2006-01-11 06:10:05 +00:00
David Xu
9572a73405 Use macro STATIC_LIB_REQUIRE to declare a symbol should be linked into 
static binary.
 2006-01-10 04:53:03 +00:00
David Xu
e35e2ebd24 Rescue pthread_set_name_np for compatible reason, remove unused code. 2006-01-09 08:07:22 +00:00
David Xu
a53747d8fe Tweak macro THR_LOCK_RELEASE a bit for non-PTHREAD_INVARIANTS case. 2006-01-09 07:32:22 +00:00
David Xu
4160cda0dc Return real detached state. 2006-01-09 03:59:51 +00:00
David Xu
1775714935 Fix a bug recently introduced, the _thread_active_count should be 
decreased if thread can not be created.
 2006-01-08 10:13:18 +00:00
David Xu
23db0a33f7 Allow background threads to be suspended. 2006-01-08 01:49:31 +00:00
David Xu
0d29c148eb Try to reduce total time needed for suspending all threads, 
first broadcast signals to all threads, then enter a wait loop.
 2006-01-08 01:48:51 +00:00
David Xu
d827aa478d Remove functions i386_get_gsbase and i386_set_gsbase, they were already 
in libc.
 2006-01-07 06:01:43 +00:00
David Xu
bc414752d3 Refine thread suspension code, now thread suspension is a blockable 
operation, the caller is blocked util target threads are really
suspended, also avoid suspending a thread when it is holding a
critical lock.
Fix a bug in _thr_ref_delete which tests a never set flag.
 2006-01-05 13:51:22 +00:00
David Xu
5131df80a5 1. Add SIGEV_THREAD notification for mq_notify. 
2. Reuse current timer code and abstract some common code to
   to support both timer and mqueue.
 2006-01-04 11:48:02 +00:00
David Xu
97986a2ea0 Remove in-progress wait code to sync with libpthread's behavior. 2006-01-03 13:30:23 +00:00
David Xu
e6262545cf Let _mutex_cv_lock call internal functiona mutex_lock_common. 2005-12-21 05:14:07 +00:00
David Xu
8429e73473 Hide umtx API symbols as well. 2005-12-21 03:53:29 +00:00
David Xu
cf905a1575 1. Retire macro SCLASS, instead simply use language keyword and 
put variables in thr_init.c.
2. Hide all global symbols which won't be exported.
 2005-12-21 03:14:06 +00:00
David Xu
7a65760923 Follow the mistake in libpthread, the first version name in libpthread 
is LIBTHREAD_1_0, but really it should be LIBPTHREAD_1_0.
Fix it so libmap.conf works again (it was broken by recent versioning
code in rtld_elf).
 2005-12-21 02:34:20 +00:00
David Xu
597dc824a0 Clear return code to zero if joiner successfully waited joinee. 
Bug reported by: jasone at connonware when using ports lang/onyx
MFC after: 3 days
 2005-12-19 03:20:55 +00:00
David Xu
df2cf82178 Update copyright. 2005-12-17 09:42:45 +00:00
David Xu
e6a9baa280 Remove unused _get_curthread() call. 2005-12-12 07:14:57 +00:00
David Xu
8f0371f19d Fix name compatible problem with POSIX standard. the sigval_ptr and 
sigval_int really should be sival_ptr and sival_int.
Also sigev_notify_function accepts a union sigval value but not a
pointer.
 2005-11-04 09:41:00 +00:00
David Xu
e89510b152 Remove a redundant _get_curthread() call. 2005-11-02 14:06:29 +00:00
David Xu
7f838bf429 In raise(), use a shortcut to directly send signal to current thread. 2005-11-02 13:52:48 +00:00
David Xu
bff49d66ab Fix some comments, eliminate a memory leak. 2005-11-01 13:05:47 +00:00
David Xu
6cae59b1e7 Use TIMERS_UNLOCK. 2005-11-01 07:05:32 +00:00
David Xu
53bbdf8646 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
David Xu
7a81302ce7 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
David Xu
4a050d016e Add timer_create wrapper. 2005-10-30 03:16:30 +00:00
David Xu
c09df63bb9 Remove unused variable. 
Reviewed by: cognet
 2005-10-29 13:40:31 +00:00
David Xu
babdcc8d78 Kill unused variable declaration. 2005-10-29 03:08:43 +00:00
David Xu
55ac4c3523 Link libthr to libpthread on Alpha and Sparc. 2005-10-27 10:21:23 +00:00
David Xu
07b6889426 Add experiment code to implement POSIX timer's SIGEV_THREAD notification. 2005-10-26 11:08:32 +00:00
David Xu
d7f119abd5 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
David Xu
9fc171584d Put pthread_condattr_init sorted order. 2005-10-25 00:09:58 +00:00
David Xu
7dcb6ea4f6 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
David Xu
c3d1b896b2 Add functions pthread_mutexattr_setpshared and pthread_mutexattr_getpshared. 2005-10-24 05:16:41 +00:00
David Xu
88676cbc2c 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
David Xu
d1f3c70b6e Sort function names. 2005-10-04 08:28:46 +00:00
David Xu
9e49a2370c 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
Stefan Farfeleder
7e4cbc3a50 Include needed headers that were obtained through <pthread.h>. Sort headers 
while here.
 2005-09-01 15:21:23 +00:00
Stefan Farfeleder
ad7c49168f - 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