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diff --git a/lib/libthr/thread/thr_attr.c b/lib/libthr/thread/thr_attr.c
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+/*
+ * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Craig Rodrigues.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES 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.
+ *
+ */
+
+/*
+ * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
+ * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
+ * Copyright (c) 2002,2003 Alexey Zelkin <phantom@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
+ * unmodified other than the allowable 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.
+ */
+
+/*
+ * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by John Birrell.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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.
+ *
+ * $FreeBSD$
+ */
+
+#include "namespace.h"
+#include <errno.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread_np.h>
+#include "un-namespace.h"
+
+#include "thr_private.h"
+
+__weak_reference(_pthread_attr_destroy, pthread_attr_destroy);
+
+int
+_pthread_attr_destroy(pthread_attr_t *attr)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL)
+ /* Invalid argument: */
+ ret = EINVAL;
+ else {
+ /* Free the memory allocated to the attribute object: */
+ free(*attr);
+
+ /*
+ * Leave the attribute pointer NULL now that the memory
+ * has been freed:
+ */
+ *attr = NULL;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
+
+int
+_pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
+{
+ struct pthread *curthread;
+ struct pthread_attr attr;
+ int ret;
+
+ if (pid == NULL || dst == NULL || *dst == NULL)
+ return (EINVAL);
+
+ curthread = _get_curthread();
+ if ((ret = _thr_ref_add(curthread, pid, /*include dead*/0)) != 0)
+ return (ret);
+ attr = pid->attr;
+ if (pid->tlflags & TLFLAGS_DETACHED)
+ attr.flags |= PTHREAD_DETACHED;
+ _thr_ref_delete(curthread, pid);
+ memcpy(*dst, &attr, sizeof(struct pthread_attr));
+
+ return (0);
+}
+
+__weak_reference(_pthread_attr_getdetachstate, pthread_attr_getdetachstate);
+
+int
+_pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || detachstate == NULL)
+ ret = EINVAL;
+ else {
+ /* Check if the detached flag is set: */
+ if ((*attr)->flags & PTHREAD_DETACHED)
+ /* Return detached: */
+ *detachstate = PTHREAD_CREATE_DETACHED;
+ else
+ /* Return joinable: */
+ *detachstate = PTHREAD_CREATE_JOINABLE;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getguardsize, pthread_attr_getguardsize);
+
+int
+_pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || guardsize == NULL)
+ ret = EINVAL;
+ else {
+ /* Return the guard size: */
+ *guardsize = (*attr)->guardsize_attr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getinheritsched, pthread_attr_getinheritsched);
+
+int
+_pthread_attr_getinheritsched(const pthread_attr_t *attr, int *sched_inherit)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL))
+ ret = EINVAL;
+ else
+ *sched_inherit = (*attr)->sched_inherit;
+
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getschedparam, pthread_attr_getschedparam);
+
+int
+_pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL) || (param == NULL))
+ ret = EINVAL;
+ else
+ param->sched_priority = (*attr)->prio;
+
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
+
+int
+_pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL) || (policy == NULL))
+ ret = EINVAL;
+ else
+ *policy = (*attr)->sched_policy;
+
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getscope, pthread_attr_getscope);
+
+int
+_pthread_attr_getscope(const pthread_attr_t *attr, int *contentionscope)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL) || (contentionscope == NULL))
+ /* Return an invalid argument: */
+ ret = EINVAL;
+
+ else
+ *contentionscope = (*attr)->flags & PTHREAD_SCOPE_SYSTEM ?
+ PTHREAD_SCOPE_SYSTEM : PTHREAD_SCOPE_PROCESS;
+
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
+
+int
+_pthread_attr_getstack(const pthread_attr_t * __restrict attr,
+ void ** __restrict stackaddr,
+ size_t * __restrict stacksize)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stackaddr == NULL
+ || stacksize == NULL )
+ ret = EINVAL;
+ else {
+ /* Return the stack address and size */
+ *stackaddr = (*attr)->stackaddr_attr;
+ *stacksize = (*attr)->stacksize_attr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getstackaddr, pthread_attr_getstackaddr);
+
+int
+_pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stackaddr == NULL)
+ ret = EINVAL;
+ else {
+ /* Return the stack address: */
+ *stackaddr = (*attr)->stackaddr_attr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_getstacksize, pthread_attr_getstacksize);
+
+int
+_pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stacksize == NULL)
+ ret = EINVAL;
+ else {
+ /* Return the stack size: */
+ *stacksize = (*attr)->stacksize_attr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_init, pthread_attr_init);
+
+int
+_pthread_attr_init(pthread_attr_t *attr)
+{
+ int ret;
+ pthread_attr_t pattr;
+
+ _thr_check_init();
+
+ /* Allocate memory for the attribute object: */
+ if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
+ /* Insufficient memory: */
+ ret = ENOMEM;
+ else {
+ /* Initialise the attribute object with the defaults: */
+ memcpy(pattr, &_pthread_attr_default, sizeof(struct pthread_attr));
+
+ /* Return a pointer to the attribute object: */
+ *attr = pattr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setcreatesuspend_np, pthread_attr_setcreatesuspend_np);
+
+int
+_pthread_attr_setcreatesuspend_np(pthread_attr_t *attr)
+{
+ int ret;
+
+ if (attr == NULL || *attr == NULL) {
+ ret = EINVAL;
+ } else {
+ (*attr)->suspend = THR_CREATE_SUSPENDED;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setdetachstate, pthread_attr_setdetachstate);
+
+int
+_pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL ||
+ (detachstate != PTHREAD_CREATE_DETACHED &&
+ detachstate != PTHREAD_CREATE_JOINABLE))
+ ret = EINVAL;
+ else {
+ /* Check if detached state: */
+ if (detachstate == PTHREAD_CREATE_DETACHED)
+ /* Set the detached flag: */
+ (*attr)->flags |= PTHREAD_DETACHED;
+ else
+ /* Reset the detached flag: */
+ (*attr)->flags &= ~PTHREAD_DETACHED;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
+
+int
+_pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
+{
+ int ret;
+
+ /* Check for invalid arguments. */
+ if (attr == NULL || *attr == NULL)
+ ret = EINVAL;
+ else {
+ /* Save the stack size. */
+ (*attr)->guardsize_attr = guardsize;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setinheritsched, pthread_attr_setinheritsched);
+
+int
+_pthread_attr_setinheritsched(pthread_attr_t *attr, int sched_inherit)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL))
+ ret = EINVAL;
+ else if (sched_inherit != PTHREAD_INHERIT_SCHED &&
+ sched_inherit != PTHREAD_EXPLICIT_SCHED)
+ ret = ENOTSUP;
+ else
+ (*attr)->sched_inherit = sched_inherit;
+
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
+
+int
+_pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
+{
+ int policy;
+
+ if ((attr == NULL) || (*attr == NULL))
+ return (EINVAL);
+
+ if (param == NULL)
+ return (ENOTSUP);
+
+ policy = (*attr)->sched_policy;
+
+ if (param->sched_priority < _thr_priorities[policy-1].pri_min ||
+ param->sched_priority > _thr_priorities[policy-1].pri_max)
+ return (ENOTSUP);
+
+ (*attr)->prio = param->sched_priority;
+
+ return (0);
+}
+
+__weak_reference(_pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
+
+int
+_pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL))
+ ret = EINVAL;
+ else if ((policy < SCHED_FIFO) || (policy > SCHED_RR)) {
+ ret = ENOTSUP;
+ } else {
+ (*attr)->sched_policy = policy;
+ (*attr)->prio = _thr_priorities[policy-1].pri_default;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setscope, pthread_attr_setscope);
+
+int
+_pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
+{
+ int ret = 0;
+
+ if ((attr == NULL) || (*attr == NULL)) {
+ /* Return an invalid argument: */
+ ret = EINVAL;
+ } else if ((contentionscope != PTHREAD_SCOPE_PROCESS) &&
+ (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
+ ret = EINVAL;
+ } else if (contentionscope == PTHREAD_SCOPE_SYSTEM) {
+ (*attr)->flags |= contentionscope;
+ } else {
+ (*attr)->flags &= ~PTHREAD_SCOPE_SYSTEM;
+ }
+ return (ret);
+}
+
+__weak_reference(_pthread_attr_setstack, pthread_attr_setstack);
+
+int
+_pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
+ size_t stacksize)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stackaddr == NULL
+ || stacksize < PTHREAD_STACK_MIN)
+ ret = EINVAL;
+ else {
+ /* Save the stack address and stack size */
+ (*attr)->stackaddr_attr = stackaddr;
+ (*attr)->stacksize_attr = stacksize;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setstackaddr, pthread_attr_setstackaddr);
+
+int
+_pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stackaddr == NULL)
+ ret = EINVAL;
+ else {
+ /* Save the stack address: */
+ (*attr)->stackaddr_attr = stackaddr;
+ ret = 0;
+ }
+ return(ret);
+}
+
+__weak_reference(_pthread_attr_setstacksize, pthread_attr_setstacksize);
+
+int
+_pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
+{
+ int ret;
+
+ /* Check for invalid arguments: */
+ if (attr == NULL || *attr == NULL || stacksize < PTHREAD_STACK_MIN)
+ ret = EINVAL;
+ else {
+ /* Save the stack size: */
+ (*attr)->stacksize_attr = stacksize;
+ ret = 0;
+ }
+ return(ret);
+}
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