Index: head/share/man/man3/pthread_barrierattr.3
===================================================================
--- head/share/man/man3/pthread_barrierattr.3	(revision 301076)
+++ head/share/man/man3/pthread_barrierattr.3	(revision 301077)
@@ -1,146 +1,135 @@
 .\" Copyright (c) 2004 Michael Telahun Makonnen
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 19, 2004
+.Dd May 31, 2016
 .Dt PTHREAD_BARRIERATTR 3
 .Os
 .Sh NAME
 .Nm pthread_barrierattr_destroy , pthread_barrierattr_getpshared ,
 .Nm pthread_barrierattr_init , pthread_barrierattr_setpshared
 .Nd "manipulate a barrier attribute object"
 .Sh LIBRARY
 .Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Fn pthread_barrierattr_destroy "pthread_barrierattr_t *attr"
 .Ft int
 .Fn pthread_barrierattr_getpshared "const pthread_barrierattr_t *attr" "int *pshared"
 .Ft int
 .Fn pthread_barrierattr_init "pthread_barrierattr_t *attr"
 .Ft int
 .Fn pthread_barrierattr_setpshared "pthread_barrierattr_t *attr" "int pshared"
 .Sh DESCRIPTION
 The
 .Fn pthread_barrierattr_init
 function will initialize
 .Fa attr
 with default attributes.
 The
 .Fn pthread_barrierattr_destroy
 function will destroy
 .Fa attr
 and release any resources that may have been allocated on its behalf.
 .Pp
 The
 .Fn pthread_barrierattr_getpshared
 function will put the value of the process-shared attribute from
 .Fa attr
 into the memory area pointed to by
 .Fa pshared .
 The
 .Fn pthread_barrierattr_setpshared
 function will set the process-shared attribute of
 .Fa attr
 to the value specified in
 .Fa pshared .
 The argument
 .Fa pshared
 may have one of the following values:
 .Bl -tag -width ".Dv PTHREAD_PROCESS_PRIVATE"
 .It Dv PTHREAD_PROCESS_PRIVATE
 The barrier object it is attached to may only be accessed by
 threads in the same process as the one that created the object.
 .It Dv PTHREAD_PROCESS_SHARED
 The barrier object it is attached to may be accessed by
 threads in processes other than the one that created the object.
 .El
 .Sh RETURN VALUES
 If successful, all these functions will return zero.
 Otherwise, an error number will be returned to indicate the error.
 .Pp
 None of these functions will return
 .Er EINTR .
 .Sh ERRORS
 The
 .Fn pthread_barrierattr_destroy ,
 .Fn pthread_barrierattr_getpshared
 and
 .Fn pthread_barrierattr_setpshared
 functions may fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The value specified by
 .Fa attr
 is invalid.
 .El
 .Pp
 The
 .Fn pthread_barrierattr_init
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er ENOMEM
 Insufficient memory to initialize the barrier attribute object
 .Fa attr .
 .El
 .Pp
 The
 .Fn pthread_barrierattr_setpshared
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The value specified in
 .Fa pshared
 is not one of the allowed values.
 .El
 .Sh SEE ALSO
 .Xr pthread_barrier_destroy 3 ,
 .Xr pthread_barrier_init 3 ,
 .Xr pthread_barrier_wait 3
 .Sh HISTORY
 The
 .Fn pthread_barrierattr_*
 functions first appeared in
 .Lb libkse
 in
 .Fx 5.2 ,
 and in
 .Lb libthr
 in
 .Fx 5.3 .
-.Sh BUGS
-The implementation of
-barriers
-does not fully conform to
-.St -p1003.2
-because the process-shared attribute is ignored in
-.Lb libthr ;
-if any value other than
-.Dv PTHREAD_PROCESS_PRIVATE
-is specified in a call to
-.Fn pthread_barrierattr_setpshared ,
-it will return
-.Er EINVAL .
+Support for process-shared barriers appeared in
+.Fx 11.0 .
Index: head/share/man/man3/pthread_condattr.3
===================================================================
--- head/share/man/man3/pthread_condattr.3	(revision 301076)
+++ head/share/man/man3/pthread_condattr.3	(revision 301077)
@@ -1,174 +1,162 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>.
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice(s), this list of conditions and the following disclaimer as
 .\"    the first lines of this file unmodified other than the possible
 .\"    addition of one or more copyright notices.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
 .\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 .\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
-.Dd May 9, 2010
+.Dd May 31, 2016
 .Dt PTHREAD_CONDATTR 3
 .Os
 .Sh NAME
 .Nm pthread_condattr_init ,
 .Nm pthread_condattr_destroy ,
 .Nm pthread_condattr_getclock ,
 .Nm pthread_condattr_setclock ,
 .Nm pthread_condattr_getpshared ,
 .Nm pthread_condattr_setpshared
 .Nd condition attribute operations
 .Sh LIBRARY
 .Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Fn pthread_condattr_init "pthread_condattr_t *attr"
 .Ft int
 .Fn pthread_condattr_destroy "pthread_condattr_t *attr"
 .Ft int
 .Fn pthread_condattr_getclock "pthread_condattr_t * restrict attr" "clock_t * restrict clock_id"
 .Ft int
 .Fn pthread_condattr_setclock "pthread_condattr_t *attr" "clock_t clock_id"
 .Ft int
 .Fn pthread_condattr_getpshared "pthread_condattr_t * restrict attr" "int * restrict pshared"
 .Ft int
 .Fn pthread_condattr_setpshared "pthread_condattr_t *attr" "int pshared"
 .Sh DESCRIPTION
 Condition attribute objects are used to specify parameters to
 .Fn pthread_cond_init .
 .Pp
 The
 .Fn pthread_condattr_init
 function initializes a condition attribute object with the default attributes.
 .Pp
 The
 .Fn pthread_condattr_destroy
 function destroys a condition attribute object.
 .Pp
 The
 .Fn pthread_condattr_getclock
 function will put the value of the clock attribute from
 .Fa attr
 into the memory area pointed to by
 .Fa clock_id .
 The
 .Fn pthread_condattr_setclock
 function will set the clock attribute of
 .Fa attr
 to the value specified in
 .Fa clock_id .
 The clock attribute affects the interpretation of
 .Fa abstime
 in
 .Xr pthread_cond_timedwait 3
 and may be set to
 .Dv CLOCK_REALTIME
 (default)
 or
 .Dv CLOCK_MONOTONIC .
 .Pp
 The
 .Fn pthread_condattr_getpshared
 function will put the value of the process-shared attribute from
 .Fa attr
 into the memory area pointed to by
 .Fa pshared .
 The
 .Fn pthread_condattr_setpshared
 function will set the process-shared attribute of
 .Fa attr
 to the value specified in
 .Fa pshared .
 The argument
 .Fa pshared
 may have one of the following values:
 .Bl -tag -width ".Dv PTHREAD_PROCESS_PRIVATE"
 .It Dv PTHREAD_PROCESS_PRIVATE
 The condition variable it is attached to may only be accessed by
 threads in the same process as the one that created the object.
 .It Dv PTHREAD_PROCESS_SHARED
 The condition variable it is attached to may be accessed by
 threads in processes other than the one that created the object.
 .El
 .Sh RETURN VALUES
 If successful, these functions return 0.
 Otherwise, an error number is returned to indicate the error.
 .Sh ERRORS
 The
 .Fn pthread_condattr_init
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er ENOMEM
 Out of memory.
 .El
 .Pp
 The
 .Fn pthread_condattr_destroy
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 Invalid value for
 .Fa attr .
 .El
 .Pp
 The
 .Fn pthread_condattr_setclock
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The value specified in
 .Fa clock_id
 is not one of the allowed values.
 .El
 .Pp
 The
 .Fn pthread_condattr_setpshared
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The value specified in
 .Fa pshared
 is not one of the allowed values.
 .El
 .Sh SEE ALSO
 .Xr pthread_cond_init 3 ,
 .Xr pthread_cond_timedwait 3
 .Sh STANDARDS
 The
 .Fn pthread_condattr_init
 and
 .Fn pthread_condattr_destroy
 functions conform to
 .St -p1003.1-96
-.Sh BUGS
-The implementation of
-condition variables
-does not fully conform to
-.St -p1003.2
-because the process-shared attribute is ignored;
-if any value other than
-.Dv PTHREAD_PROCESS_PRIVATE
-is specified in a call to
-.Fn pthread_condattr_setpshared ,
-it will return
-.Er EINVAL .
Index: head/share/man/man3/pthread_rwlock_init.3
===================================================================
--- head/share/man/man3/pthread_rwlock_init.3	(revision 301076)
+++ head/share/man/man3/pthread_rwlock_init.3	(revision 301077)
@@ -1,102 +1,100 @@
 .\" Copyright (c) 1998 Alex Nash
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 4, 1998
+.Dd May 31, 2016
 .Dt PTHREAD_RWLOCK_INIT 3
 .Os
 .Sh NAME
 .Nm pthread_rwlock_init
 .Nd initialize a read/write lock
 .Sh LIBRARY
 .Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Fn pthread_rwlock_init "pthread_rwlock_t *lock" "const pthread_rwlockattr_t *attr"
 .Sh DESCRIPTION
 The
 .Fn pthread_rwlock_init
 function is used to initialize a read/write lock, with attributes
 specified by
 .Fa attr .
 If
 .Fa attr
 is NULL, the default read/write lock attributes are used.
 .Pp
 The results of calling
 .Fn pthread_rwlock_init
 with an already initialized lock are undefined.
 .Sh RETURN VALUES
 If successful, the
 .Fn pthread_rwlock_init
 function will return zero.
 Otherwise an error number will be returned
 to indicate the error.
 .Sh ERRORS
 The
 .Fn pthread_rwlock_init
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
 The system lacked the necessary resources (other than memory) to
 initialize the lock.
 .It Bq Er ENOMEM
 Insufficient memory exists to initialize the lock.
 .It Bq Er EPERM
 The caller does not have sufficient privilege to perform the
 operation.
 .El
 .Pp
 The
 .Fn pthread_rwlock_init
 function may fail if:
 .Bl -tag -width Er
 .It Bq Er EBUSY
 The system has detected an attempt to re-initialize the object
 referenced by
 .Fa lock ,
 a previously initialized but not yet destroyed read/write lock.
 .It Bq Er EINVAL
 The value specified by
 .Fa attr
 is invalid.
 .El
 .Sh SEE ALSO
 .Xr pthread_rwlock_destroy 3 ,
 .Xr pthread_rwlockattr_init 3 ,
 .Xr pthread_rwlockattr_setpshared 3
 .Sh STANDARDS
 The
 .Fn pthread_rwlock_init
 function is expected to conform to
 .St -susv2 .
 .Sh HISTORY
 The
 .Fn pthread_rwlock_init
 function first appeared in
 .Fx 3.0 .
-.Sh BUGS
-The PTHREAD_PROCESS_SHARED attribute is not supported.
Index: head/share/man/man3/pthread_rwlockattr_setpshared.3
===================================================================
--- head/share/man/man3/pthread_rwlockattr_setpshared.3	(revision 301076)
+++ head/share/man/man3/pthread_rwlockattr_setpshared.3	(revision 301077)
@@ -1,94 +1,92 @@
 .\" Copyright (c) 1998 Alex Nash
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 4, 1998
+.Dd May 31, 2016
 .Dt PTHREAD_RWLOCKATTR_SETPSHARED 3
 .Os
 .Sh NAME
 .Nm pthread_rwlockattr_setpshared
 .Nd set the process shared attribute
 .Sh LIBRARY
 .Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Fn pthread_rwlockattr_setpshared "pthread_rwlockattr_t *attr" "int pshared"
 .Sh DESCRIPTION
 The
 .Fn pthread_rwlockattr_setpshared
 function sets the process shared attribute of
 .Fa attr
 to the value referenced by
 .Fa pshared .
 The
 .Fa pshared
 argument may be one of two values:
 .Bl -tag -width PTHREAD_PROCESS_PRIVATE
 .It Dv PTHREAD_PROCESS_SHARED
 Any thread of any process that has access to the memory where the
 read/write lock resides can manipulate the lock.
 .It Dv PTHREAD_PROCESS_PRIVATE
 Only threads created within the same process as the thread that
 initialized the read/write lock can manipulate the lock.
 This is
 the default value.
 .El
 .Sh RETURN VALUES
 If successful, the
 .Fn pthread_rwlockattr_setpshared
 function will return zero.
 Otherwise an error number will be returned
 to indicate the error.
 .Sh ERRORS
 The
 .Fn pthread_rwlockattr_setpshared
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The value specified by
 .Fa attr
 or
 .Fa pshared
 is invalid.
 .El
 .Sh SEE ALSO
 .Xr pthread_rwlock_init 3 ,
 .Xr pthread_rwlockattr_getpshared 3 ,
 .Xr pthread_rwlockattr_init 3
 .Sh STANDARDS
 The
 .Fn pthread_rwlockattr_setpshared
 function is expected to conform to
 .St -susv2 .
 .Sh HISTORY
 The
 .Fn pthread_rwlockattr_setpshared
 function first appeared in
 .Fx 3.0 .
-.Sh BUGS
-The
-.Dv PTHREAD_PROCESS_SHARED
-attribute is not supported.
+Support for process-shared read/write locks appeared in
+.Fx 11.0 .
Index: head/share/man/man3/pthread_spin_init.3
===================================================================
--- head/share/man/man3/pthread_spin_init.3	(revision 301076)
+++ head/share/man/man3/pthread_spin_init.3	(revision 301077)
@@ -1,136 +1,125 @@
 .\" Copyright (c) 2004 Michael Telahun Makonnen
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 22, 2004
+.Dd May 31, 2016
 .Dt PTHREAD_SPIN_INIT 3
 .Os
 .Sh NAME
 .Nm pthread_spin_init , pthread_spin_destroy
 .Nd "initialize or destroy a spin lock"
 .Sh LIBRARY
 .Lb libpthread
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Fn pthread_spin_init "pthread_spinlock_t *lock" "int pshared"
 .Ft int
 .Fn pthread_spin_destroy "pthread_spinlock_t *lock"
 .Sh DESCRIPTION
 The
 .Fn pthread_spin_init
 function will initialize
 .Fa lock
 to an unlocked state and
 allocate any resources necessary to begin using it.
 If
 .Fa pshared
 is set to
 .Dv PTHREAD_PROCESS_SHARED ,
 any thread,
 whether belonging to the process in which the spinlock was created or not,
 that has access to the memory area where
 .Fa lock
 resides, can use
 .Fa lock .
 If it is set to
 .Dv PTHREAD_PROCESS_PRIVATE ,
 it can only be used by threads within the same process.
 .Pp
 The
 .Fn pthread_spin_destroy
 function will destroy
 .Fa lock
 and release any resources that may have been allocated on its behalf.
 .Sh RETURN VALUES
 If successful,
 both
 .Fn pthread_spin_init
 and
 .Fn pthread_spin_destroy
 will return zero.
 Otherwise, an error number will be returned to indicate the error.
 .Pp
 Neither of these functions will return
 .Er EINTR .
 .Sh ERRORS
 The
 .Fn pthread_spin_init
 and
 .Fn pthread_spin_destroy
 functions will fail if:
 .Bl -tag -width Er
 .It Bq Er EBUSY
 An attempt to initialize or destroy
 .Fa lock
 while it is in use.
 .It Bq Er EINVAL
 The value specified by
 .Fa lock
 is invalid.
 .El
 .Pp
 The
 .Fn pthread_spin_init
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
 Insufficient resources,
 other than memory,
 to initialize
 .Fa lock .
 .It Bq Er ENOMEM
 Insufficient memory to initialize
 .Fa lock .
 .El
 .Sh SEE ALSO
 .Xr pthread_spin_lock 3 ,
 .Xr pthread_spin_unlock 3
 .Sh HISTORY
 The
 .Fn pthread_spin_init
 and
 .Fn pthread_spin_destroy
 functions first appeared in
 .Lb libkse
 in
 .Fx 5.2 ,
 and in
 .Lb libthr
 in
 .Fx 5.3 .
-.Sh BUGS
-The implementation of
-.Fn pthread_spin_init
-does not fully conform to
-.St -p1003.2
-because the
-.Fa pshared
-argument is ignored in
-.Lb libthr ;
-if any value other than
-.Dv PTHREAD_PROCESS_PRIVATE
-is specified, it returns
-.Er EINVAL .
+Support for process-shared spinlocks appeared in
+.Fx 11.0 .