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679e2338c0
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181 Commits

Author SHA1 Message Date
davidxu
679e2338c0 Only wake up writer if the lock is free. 2006-03-25 05:14:21 +00:00
davidxu
cba4d932c1 Compile thr_rtld.c 2006-03-25 05:00:54 +00:00
davidxu
6ee36bbb6d Add locking support for rtld. 2006-03-25 04:49:07 +00:00
davidxu
eb9bdb4259 set an upper limit for thread structures which can be allocated. 2006-03-24 04:34:06 +00:00
davidxu
020594940d Set default contention scope to system. 2006-03-20 03:14:14 +00:00
davidxu
d119bdaa7a Remove mqueue and timer, now they are in librt. 2006-03-08 23:47:04 +00:00
deischen
e586a0042e Add some more pthread stubs so that librt can use them. 
The thread jump table has been resorted, so you need to
keep libc, libpthread, and libthr in sync.

Submitted by:	xu
 2006-03-05 18:10:28 +00:00
davidxu
6fdf2b7d81 Reimplement mutex_init to get rid of compile warning. 2006-02-28 06:06:19 +00:00
davidxu
bb43155dbb Disable POSIX SIGEV_THREAD notification support, soon we will have a common 
library which can be reused both for libthr and libpthread.
 2006-02-22 02:52:22 +00:00
davidxu
91fda076fb 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
davidxu
70ea4e1323 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
davidxu
44a8ce5006 After fork(), reinitialize internal locks for pthread_once(). 2006-02-15 13:41:02 +00:00
davidxu
08b1c5c928 Now, thread name is stored in kernel, userland no longer has to keep it. 2006-02-05 03:04:54 +00:00
davidxu
118990614c use syscall thr_set_name to implement pthread_set_name_np. 2006-02-05 02:26:17 +00:00
davidxu
3172ccca0f Add missing symbol pthread_set_name_np. 2006-01-23 06:11:23 +00:00
davidxu
97a1cdabb8 Eliminate unused code. 2006-01-16 05:33:48 +00:00
davidxu
aedf24a684 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
jasone
e30d92806f 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
jasone
3668a2e494 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
davidxu
1218aa5627 Use macro STATIC_LIB_REQUIRE to declare a symbol should be linked into 
static binary.
 2006-01-10 04:53:03 +00:00
davidxu
36bb818343 Rescue pthread_set_name_np for compatible reason, remove unused code. 2006-01-09 08:07:22 +00:00
davidxu
8798f9bcec Tweak macro THR_LOCK_RELEASE a bit for non-PTHREAD_INVARIANTS case. 2006-01-09 07:32:22 +00:00
davidxu
db9594be6e Return real detached state. 2006-01-09 03:59:51 +00:00
davidxu
6f27a53b6f 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
davidxu
d1f7b6d605 Allow background threads to be suspended. 2006-01-08 01:49:31 +00:00
davidxu
4c4f339838 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
davidxu
d6c88c0f27 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
davidxu
45180066f9 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
davidxu
46ad9344c2 Remove in-progress wait code to sync with libpthread's behavior. 2006-01-03 13:30:23 +00:00
davidxu
2d34e45c94 Let _mutex_cv_lock call internal functiona mutex_lock_common. 2005-12-21 05:14:07 +00:00
davidxu
5ac55e9c46 Hide umtx API symbols as well. 2005-12-21 03:53:29 +00:00
davidxu
8d9e23fb51 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
davidxu
a8cc7e07c2 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
davidxu
272f64aa70 Update copyright. 2005-12-17 09:42:45 +00:00
davidxu
7bdde27518 Remove unused _get_curthread() call. 2005-12-12 07:14:57 +00:00
davidxu
ae161ac239 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
davidxu
3e97a4d0bd Remove a redundant _get_curthread() call. 2005-11-02 14:06:29 +00:00
davidxu
e623529523 In raise(), use a shortcut to directly send signal to current thread. 2005-11-02 13:52:48 +00:00
davidxu
326dbaf282 Fix some comments, eliminate a memory leak. 2005-11-01 13:05:47 +00:00
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
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
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
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