Remove namespace restriction from pthread_condattr_{g,s}etclock(3)

These functions were marked as _NETBSD_SOURCE when introduced to the
sources. In fact they are regular POSIX threading functions av

Remove namespace restriction from pthread_condattr_{g,s}etclock(3)

These functions were marked as _NETBSD_SOURCE when introduced to the
sources. In fact they are regular POSIX threading functions available
since the 2001 standard. There is an older mention about alignment with
"IEEE Std 1003.1j-2000".

This corrects usage of these functions when a source code is compiled
with a POSIX namespace option.

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fix duplicate declaration of pthread_atfork in unistd.h

Needs to be protected since it has a timespec argument. Found by lint(1)

POSIX harder the pthread_mutex_timedlock(3) prototype

Add missing __restrict keyword to the first pointer parameter.

It was already used for the second argument, should not be a functional
change a

POSIX harder the pthread_mutex_timedlock(3) prototype

Add missing __restrict keyword to the first pointer parameter.

It was already used for the second argument, should not be a functional
change and generated code should be the same.

This new form is now aligned with POSIX.

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GSoC 2016 Charles Cui: Implement thread priority protection based on work
by Andy Doran. Also document the get/set pshared thread calls as not
implemented, and add a skeleton implementation that is d

GSoC 2016 Charles Cui: Implement thread priority protection based on work
by Andy Doran. Also document the get/set pshared thread calls as not
implemented, and add a skeleton implementation that is disabled.
XXX: document _sched_protect(2).

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Add pthread_getcpuclockid(3)

add pthread_condattr_setclock(3)

Add pthread_getattr_np()

merge christos-time_t

add pthread_cond_has_waiters_np()

Back out previous because it breaks the build.

glibc compatibile PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP, requested by
rafal@.

Remove clause 3 and 4 from TNF licenses

sched_setparam: fix the case when incorrect (according to the class)
in-kernel priority is used. Reported by <drochner>.

Minor fixes for scheduling calls to conform the POSIX:
- If pid is equal to

sched_setparam: fix the case when incorrect (according to the class)
in-kernel priority is used. Reported by <drochner>.

Minor fixes for scheduling calls to conform the POSIX:
- If pid is equal to zero, use the calling process;
- In case of permission problem, return EPERM instead of EACESS;
- sched_setscheduler() should return previously used policy;
- pthread_* calls should return the error code or zero;

Should fix the namespace problems (and builds of some packages):
- Move cpuset_t defintion from pset.h to sched.h;
- Remove the #include of pset.h in pthread.h;

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s/set/test/

only include <sys/pset.h> if _NETBSD_SOURCE

Implementation of processor-sets, affinity and POSIX real-time extensions.
Add schedctl(8) - a program to control scheduling of processes and threads.

Notes:
- This is supported only by SCHED_M2;
-

Implementation of processor-sets, affinity and POSIX real-time extensions.
Add schedctl(8) - a program to control scheduling of processes and threads.

Notes:
- This is supported only by SCHED_M2;
- Migration of LWP mechanism will be revisited;

Proposed on: <tech-kern>. Reviewed by: <ad>.

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- Fix pthread_rwlock_trywrlock() which was broken.

- Add new functions: pthread_mutex_held_np, mutex_owner_np, rwlock_held_np,
rwlock_wrheld_np, rwlock_rdheld_np. These match the kernel's locking

- Fix pthread_rwlock_trywrlock() which was broken.

- Add new functions: pthread_mutex_held_np, mutex_owner_np, rwlock_held_np,
rwlock_wrheld_np, rwlock_rdheld_np. These match the kernel's locking
primitives and can be used when porting kernel code to userspace.

- Always create LWPs detached. Do join/exit sync mostly in userland. When
looped on a dual core box this seems ~30% quicker than using lwp_wait().
Reduce number of lock acquire/release ops during thread exit.

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Add thr_curcpu(), pthread_curcpu_np().

Add pthread_equal() to libc stubs; this makes a lot of sense for
threadsafe libraries implementing own locking functions.
Ride on yesterday's minor version bumps.

Add restrict qualifiers to <pthread.h> function arguments.

Implement pthread_attr_{set,get}schedpolicy() at the same level as the other
scheduling stuff: only handle SCHED_OTHER. Like the rest of the scheduling
stuff, this is for the benefit of code that can

Implement pthread_attr_{set,get}schedpolicy() at the same level as the other
scheduling stuff: only handle SCHED_OTHER. Like the rest of the scheduling
stuff, this is for the benefit of code that can't be bothered to test against
_POSIX_THREAD_PRIORITY_SCHEDULING.

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Fix typo in comment.

Add #defines to make use of libc stubs for pthread_cond_wait() and
pthread_cond_timedwait().

XXX as noted in the comments, in the situations where these are
useful, they should never be called in a

Add #defines to make use of libc stubs for pthread_cond_wait() and
pthread_cond_timedwait().

XXX as noted in the comments, in the situations where these are
useful, they should never be called in a single-threaded
process. Perhaps they should die rather than return 0.

Addresses xsrc/28630.

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Use CPP macros to cause many libpthread functions used by applications
to be transformed into the do-nothing-when-libpthread-isn't-linked libc
stub names. This will permit library code that uses <pth

Use CPP macros to cause many libpthread functions used by applications
to be transformed into the do-nothing-when-libpthread-isn't-linked libc
stub names. This will permit library code that uses <pthread.h> and pthread
functions "defensively" to not need to link against libpthread and not need
to be patched to the threadlib.h API.

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