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fd626336fd
freebsd-dev/lib/libpthread/thread
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Daniel Eischen fd626336fd Add a method of yielding the current thread with the scheduler 
lock held (_thr_sched_switch_unlocked()) and use this to avoid
dropping the scheduler lock and having the scheduler retake the
same lock again.

Add a better way of detecting if a low-level lock is in use.

When switching out a thread due to blocking in the UTS, don't
switch to the KSE's scheduler stack only to switch back to
another thread.  If possible switch to the new thread directly
from the old thread and avoid the overhead of the extra
context switch.

Check for pending signals on a thread when entering the scheduler
and add them to the threads signal frame.  This includes some
other minor signal fixes.

Most of this was a joint effor between davidxu and myself.

Reviewed by:	davidxu
Approved by:	re@ (blanket for libpthread)
2003-05-16 19:58:30 +00:00
..
Makefile.inc Add a working pthread_[gs]etconcurrency. Initial null implementation 2003-04-22 20:29:16 +00:00
thr_aio_suspend.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_destroy.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_get_np.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_getdetachstate.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getguardsize.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getinheritsched.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getschedparam.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getschedpolicy.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getscope.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getstack.c Add pthread_attr_getstack() and pthread_attr_setstack(). 2003-02-10 08:48:04 +00:00
thr_attr_getstackaddr.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_getstacksize.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_init.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_setcreatesuspend_np.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_setdetachstate.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_setguardsize.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_setinheritsched.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_setschedparam.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_setschedpolicy.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_setscope.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_attr_setstack.c Add pthread_attr_getstack() and pthread_attr_setstack(). 2003-02-10 08:48:04 +00:00
thr_attr_setstackaddr.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_attr_setstacksize.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_autoinit.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_cancel.c Make pthread_join() async-cancel-safe. David was going to commit 2003-05-06 00:02:54 +00:00
thr_clean.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_close.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_concurrency.c o Don't add a scope system thread's KSE to the list of available 2003-04-28 23:56:12 +00:00
thr_cond.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_condattr_destroy.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_condattr_init.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_creat.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_create.c Fix suspend and resume. 2003-05-04 16:17:01 +00:00
thr_detach.c o Don't add a scope system thread's KSE to the list of available 2003-04-28 23:56:12 +00:00
thr_equal.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_exit.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_fcntl.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_find_thread.c o Don't add a scope system thread's KSE to the list of available 2003-04-28 23:56:12 +00:00
thr_fork.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_fsync.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_getprio.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_getschedparam.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_info.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_init.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_join.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_kern.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_kill.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_main_np.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_mattr_init.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_mattr_kind_np.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_msync.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_multi_np.c Revamp suspend and resume. While I'm here add pthread_suspend_all_np() 2002-05-24 04:32:28 +00:00
thr_mutex_prioceiling.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_mutex_protocol.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_mutex.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_mutexattr_destroy.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_nanosleep.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_once.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_open.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_pause.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_poll.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_printf.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_priority_queue.c o Don't add a scope system thread's KSE to the list of available 2003-04-28 23:56:12 +00:00
thr_private.h Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_pselect.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_read.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_readv.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_resume_np.c Fix suspend and resume. 2003-05-04 16:17:01 +00:00
thr_rwlock.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_rwlockattr.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_select.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_self.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_sem.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_seterrno.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_setprio.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_setschedparam.c Add an i386-specifc hack to always set %gs. There still seems 2003-04-21 04:02:56 +00:00
thr_sig.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_sigaction.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_sigmask.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_sigpending.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_sigprocmask.c Make the changes needed for libpthread to compile in its new home. 2002-09-16 08:45:36 +00:00
thr_sigsuspend.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_sigwait.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00
thr_single_np.c Revamp suspend and resume. While I'm here add pthread_suspend_all_np() 2002-05-24 04:32:28 +00:00
thr_sleep.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_spec.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_spinlock.c o Don't add a scope system thread's KSE to the list of available 2003-04-28 23:56:12 +00:00
thr_stack.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_suspend_np.c Fix suspend and resume. 2003-05-04 16:17:01 +00:00
thr_switch_np.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_system.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_tcdrain.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_vfork.c
thr_wait4.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_wait.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_waitpid.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_write.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_writev.c Revamp libpthread so that it has a chance of working in an SMP 2003-04-18 05:04:16 +00:00
thr_yield.c Add a method of yielding the current thread with the scheduler 2003-05-16 19:58:30 +00:00