Add userland ZFS to vendor/illumos

illumos-gate revision 13742:b6bbdd77139c

5 files changed, 680 insertions, 0 deletions

diff --git a/head/atomic.h b/head/atomic.h
new file mode 100644
index 000000000000..00c947604eb8
--- /dev/null
+++ b/head/atomic.h
@@ -0,0 +1,34 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_ATOMIC_H
+#define	_ATOMIC_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/atomic.h>
+
+#endif	/* _ATOMIC_H */
diff --git a/head/libintl.h b/head/libintl.h
new file mode 100644
index 000000000000..e649668e1225
--- /dev/null
+++ b/head/libintl.h
@@ -0,0 +1,125 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#ifndef	_LIBINTL_H
+#define	_LIBINTL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/isa_defs.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * wchar_t is a built-in type in standard C++ and as such is not
+ * defined here when using standard C++. However, the GNU compiler
+ * fixincludes utility nonetheless creates its own version of this
+ * header for use by gcc and g++. In that version it adds a redundant
+ * guard for __cplusplus. To avoid the creation of a gcc/g++ specific
+ * header we need to include the following magic comment:
+ *
+ * we must use the C++ compiler's type
+ *
+ * The above comment should not be removed or changed until GNU
+ * gcc/fixinc/inclhack.def is updated to bypass this header.
+ */
+#if !defined(__cplusplus) || (__cplusplus < 199711L && !defined(__GNUG__))
+#ifndef _WCHAR_T
+#define	_WCHAR_T
+#if defined(_LP64)
+typedef int	wchar_t;
+#else
+typedef long	wchar_t;
+#endif
+#endif	/* !_WCHAR_T */
+#endif	/* !defined(__cplusplus) ... */
+
+#define	TEXTDOMAINMAX	256
+
+#define	__GNU_GETTEXT_SUPPORTED_REVISION(m)	\
+	((((m) == 0) || ((m) == 1)) ? 1 : -1)
+
+#ifdef __STDC__
+extern char *dcgettext(const char *, const char *, const int);
+extern char *dgettext(const char *, const char *);
+extern char *gettext(const char *);
+extern char *textdomain(const char *);
+extern char *bindtextdomain(const char *, const char *);
+
+/*
+ * LI18NUX 2000 Globalization Specification Version 1.0
+ * with Amendment 2
+ */
+extern char *dcngettext(const char *, const char *,
+	const char *, unsigned long int, int);
+extern char *dngettext(const char *, const char *,
+	const char *, unsigned long int);
+extern char *ngettext(const char *, const char *, unsigned long int);
+extern char *bind_textdomain_codeset(const char *, const char *);
+
+/* Word handling functions --- requires dynamic linking */
+/* Warning: these are experimental and subject to change. */
+extern int wdinit(void);
+extern int wdchkind(wchar_t);
+extern int wdbindf(wchar_t, wchar_t, int);
+extern wchar_t *wddelim(wchar_t, wchar_t, int);
+extern wchar_t mcfiller(void);
+extern int mcwrap(void);
+
+#else
+extern char *dcgettext();
+extern char *dgettext();
+extern char *gettext();
+extern char *textdomain();
+extern char *bindtextdomain();
+
+/*
+ * LI18NUX 2000 Globalization Specification Version 1.0
+ * with Amendment 2
+ */
+extern char *dcngettext();
+extern char *dngettext();
+extern char *ngettext();
+extern char *bind_textdomain_codeset();
+
+/* Word handling functions --- requires dynamic linking */
+/* Warning: these are experimental and subject to change. */
+extern int wdinit();
+extern int wdchkind();
+extern int wdbindf();
+extern wchar_t *wddelim();
+extern wchar_t mcfiller();
+extern int mcwrap();
+
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _LIBINTL_H */
diff --git a/head/stdio_ext.h b/head/stdio_ext.h
new file mode 100644
index 000000000000..77465c993096
--- /dev/null
+++ b/head/stdio_ext.h
@@ -0,0 +1,88 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Extensions to the stdio package
+ */
+
+#ifndef _STDIO_EXT_H
+#define	_STDIO_EXT_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <stdio.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Even though the contents of the stdio FILE structure have always been
+ * private to the stdio implementation, over the years some programs have
+ * needed to get information about a stdio stream that was not accessible
+ * through a supported interface. These programs have resorted to accessing
+ * fields of the FILE structure directly, rendering them possibly non-portable
+ * to new implementations of stdio, or more likely, preventing enhancements
+ * to stdio because those programs will break.
+ *
+ * In the 64-bit world, the FILE structure is opaque. The routines here
+ * are provided as a way to get the information that used to be retrieved
+ * directly from the FILE structure. They are based on the needs of
+ * existing programs (such as 'mh' and 'emacs'), so they may be extended
+ * as other programs are ported. Though they may still be non-portable to
+ * other operating systems, they will work from each Solaris release to
+ * the next. More portable interfaces are being developed.
+ */
+
+#define	FSETLOCKING_QUERY	0
+#define	FSETLOCKING_INTERNAL	1
+#define	FSETLOCKING_BYCALLER	2
+
+extern size_t __fbufsize(FILE *stream);
+extern int __freading(FILE *stream);
+extern int __fwriting(FILE *stream);
+extern int __freadable(FILE *stream);
+extern int __fwritable(FILE *stream);
+extern int __flbf(FILE *stream);
+extern void __fpurge(FILE *stream);
+extern size_t __fpending(FILE *stream);
+extern void _flushlbf(void);
+extern int __fsetlocking(FILE *stream, int type);
+
+/*
+ * Extended FILE enabling function.
+ */
+#if defined(_LP64) && !defined(__lint)
+#define	enable_extended_FILE_stdio(fd, act)		(0)
+#else
+extern int enable_extended_FILE_stdio(int, int);
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _STDIO_EXT_H */
diff --git a/head/synch.h b/head/synch.h
new file mode 100644
index 000000000000..89efe9c687ac
--- /dev/null
+++ b/head/synch.h
@@ -0,0 +1,277 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef	_SYNCH_H
+#define	_SYNCH_H
+
+/*
+ * synch.h:
+ * definitions needed to use the thread synchronization interface
+ */
+
+#ifndef _ASM
+#include <sys/machlock.h>
+#include <sys/time_impl.h>
+#include <sys/synch.h>
+#endif /* _ASM */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ASM
+
+/*
+ * Semaphores
+ */
+typedef struct _sema {
+	/* this structure must be the same as sem_t in <semaphore.h> */
+	uint32_t	count;		/* semaphore count */
+	uint16_t	type;
+	uint16_t	magic;
+	upad64_t	pad1[3];	/* reserved for a mutex_t */
+	upad64_t 	pad2[2];	/* reserved for a cond_t */
+} sema_t;
+
+/*
+ * POSIX.1c Note:
+ * POSIX.1c requires that <pthread.h> define the structures pthread_mutex_t
+ * and pthread_cond_t.  These structures are identical to mutex_t (lwp_mutex_t)
+ * and cond_t (lwp_cond_t) which are defined in <synch.h>.  A nested included
+ * of <synch.h> (to allow a "#typedef mutex_t  pthread_mutex_t") would pull in
+ * non-posix symbols/constants violating the namespace restrictions.  Hence,
+ * pthread_mutex_t/pthread_cond_t have been redefined in <pthread.h> (actually
+ * in <sys/types.h>).  Any modifications done to mutex_t/lwp_mutex_t or
+ * cond_t/lwp_cond_t should also be done to pthread_mutex_t/pthread_cond_t.
+ */
+typedef lwp_mutex_t mutex_t;
+typedef lwp_cond_t cond_t;
+
+/*
+ * Readers/writer locks
+ *
+ * NOTE: The layout of this structure should be kept in sync with the layout
+ * of the correponding structure of pthread_rwlock_t in sys/types.h.
+ * Also, there is an identical structure for lwp_rwlock_t in <sys/synch.h>.
+ * Because we have to deal with C++, we cannot redefine this one as that one.
+ */
+typedef struct _rwlock {
+	int32_t		readers;	/* rwstate word */
+	uint16_t	type;
+	uint16_t	magic;
+	mutex_t		mutex;		/* used with process-shared rwlocks */
+	cond_t		readercv;	/* used only to indicate ownership */
+	cond_t		writercv;	/* used only to indicate ownership */
+} rwlock_t;
+
+#ifdef	__STDC__
+int	_lwp_mutex_lock(lwp_mutex_t *);
+int	_lwp_mutex_unlock(lwp_mutex_t *);
+int	_lwp_mutex_trylock(lwp_mutex_t *);
+int	_lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *);
+int	_lwp_cond_timedwait(lwp_cond_t *, lwp_mutex_t *, timespec_t *);
+int	_lwp_cond_reltimedwait(lwp_cond_t *, lwp_mutex_t *, timespec_t *);
+int	_lwp_cond_signal(lwp_cond_t *);
+int	_lwp_cond_broadcast(lwp_cond_t *);
+int	_lwp_sema_init(lwp_sema_t *, int);
+int	_lwp_sema_wait(lwp_sema_t *);
+int	_lwp_sema_trywait(lwp_sema_t *);
+int	_lwp_sema_post(lwp_sema_t *);
+int	cond_init(cond_t *, int, void *);
+int	cond_destroy(cond_t *);
+int	cond_wait(cond_t *, mutex_t *);
+int	cond_timedwait(cond_t *, mutex_t *, const timespec_t *);
+int	cond_reltimedwait(cond_t *, mutex_t *, const timespec_t *);
+int	cond_signal(cond_t *);
+int	cond_broadcast(cond_t *);
+int	mutex_init(mutex_t *, int, void *);
+int	mutex_destroy(mutex_t *);
+int	mutex_consistent(mutex_t *);
+int	mutex_lock(mutex_t *);
+int	mutex_trylock(mutex_t *);
+int	mutex_unlock(mutex_t *);
+int	rwlock_init(rwlock_t *, int, void *);
+int	rwlock_destroy(rwlock_t *);
+int	rw_rdlock(rwlock_t *);
+int	rw_wrlock(rwlock_t *);
+int	rw_unlock(rwlock_t *);
+int	rw_tryrdlock(rwlock_t *);
+int	rw_trywrlock(rwlock_t *);
+int	sema_init(sema_t *, unsigned int, int, void *);
+int	sema_destroy(sema_t *);
+int	sema_wait(sema_t *);
+int	sema_timedwait(sema_t *, const timespec_t *);
+int	sema_reltimedwait(sema_t *, const timespec_t *);
+int	sema_post(sema_t *);
+int	sema_trywait(sema_t *);
+
+#else	/* __STDC__ */
+
+int	_lwp_mutex_lock();
+int	_lwp_mutex_unlock();
+int	_lwp_mutex_trylock();
+int	_lwp_cond_wait();
+int	_lwp_cond_timedwait();
+int	_lwp_cond_reltimedwait();
+int	_lwp_cond_signal();
+int	_lwp_cond_broadcast();
+int	_lwp_sema_init();
+int	_lwp_sema_wait();
+int	_lwp_sema_trywait();
+int	_lwp_sema_post();
+int	cond_init();
+int	cond_destroy();
+int	cond_wait();
+int	cond_timedwait();
+int	cond_reltimedwait();
+int	cond_signal();
+int	cond_broadcast();
+int	mutex_init();
+int	mutex_destroy();
+int	mutex_consistent();
+int	mutex_lock();
+int	mutex_trylock();
+int	mutex_unlock();
+int	rwlock_init();
+int	rwlock_destroy();
+int	rw_rdlock();
+int	rw_wrlock();
+int	rw_unlock();
+int	rw_tryrdlock();
+int	rw_trywrlock();
+int	sema_init();
+int	sema_destroy();
+int	sema_wait();
+int	sema_timedwait();
+int	sema_reltimedwait();
+int	sema_post();
+int	sema_trywait();
+
+#endif	/* __STDC__ */
+
+#endif /* _ASM */
+
+/* "Magic numbers" tagging synchronization object types */
+#define	MUTEX_MAGIC	_MUTEX_MAGIC
+#define	SEMA_MAGIC	_SEMA_MAGIC
+#define	COND_MAGIC	_COND_MAGIC
+#define	RWL_MAGIC	_RWL_MAGIC
+
+/*
+ * POSIX.1c Note:
+ * DEFAULTMUTEX is defined same as PTHREAD_MUTEX_INITIALIZER in <pthread.h>.
+ * DEFAULTCV is defined same as PTHREAD_COND_INITIALIZER in <pthread.h>.
+ * DEFAULTRWLOCK is defined same as PTHREAD_RWLOCK_INITIALIZER in <pthread.h>.
+ * Any changes to these macros should be reflected in <pthread.h>
+ */
+#define	DEFAULTMUTEX	\
+	{{0, 0, 0, {USYNC_THREAD}, MUTEX_MAGIC}, \
+	{{{0, 0, 0, 0, 0, 0, 0, 0}}}, 0}
+#define	SHAREDMUTEX	\
+	{{0, 0, 0, {USYNC_PROCESS}, MUTEX_MAGIC}, \
+	{{{0, 0, 0, 0, 0, 0, 0, 0}}}, 0}
+#define	RECURSIVEMUTEX	\
+	{{0, 0, 0, {USYNC_THREAD|LOCK_RECURSIVE}, MUTEX_MAGIC}, \
+	{{{0, 0, 0, 0, 0, 0, 0, 0}}}, 0}
+#define	ERRORCHECKMUTEX	\
+	{{0, 0, 0, {USYNC_THREAD|LOCK_ERRORCHECK}, MUTEX_MAGIC}, \
+	{{{0, 0, 0, 0, 0, 0, 0, 0}}}, 0}
+#define	RECURSIVE_ERRORCHECKMUTEX	\
+	{{0, 0, 0, {USYNC_THREAD|LOCK_RECURSIVE|LOCK_ERRORCHECK}, \
+	MUTEX_MAGIC}, {{{0, 0, 0, 0, 0, 0, 0, 0}}}, 0}
+#define	DEFAULTCV	\
+	{{{0, 0, 0, 0}, USYNC_THREAD, COND_MAGIC}, 0}
+#define	SHAREDCV	\
+	{{{0, 0, 0, 0}, USYNC_PROCESS, COND_MAGIC}, 0}
+#define	DEFAULTSEMA	\
+	{0, USYNC_THREAD, SEMA_MAGIC, {0, 0, 0}, {0, 0}}
+#define	SHAREDSEMA	\
+	{0, USYNC_PROCESS, SEMA_MAGIC, {0, 0, 0}, {0, 0}}
+#define	DEFAULTRWLOCK	\
+	{0, USYNC_THREAD, RWL_MAGIC, DEFAULTMUTEX, DEFAULTCV, DEFAULTCV}
+#define	SHAREDRWLOCK	\
+	{0, USYNC_PROCESS, RWL_MAGIC, SHAREDMUTEX, SHAREDCV, SHAREDCV}
+
+/*
+ * Tests on lock states.
+ */
+#define	SEMA_HELD(x)		_sema_held(x)
+#define	RW_READ_HELD(x)		_rw_read_held(x)
+#define	RW_WRITE_HELD(x)	_rw_write_held(x)
+#define	RW_LOCK_HELD(x)		(RW_READ_HELD(x) || RW_WRITE_HELD(x))
+#define	MUTEX_HELD(x)		_mutex_held(x)
+
+/*
+ * The following definitions are for assertions which can be checked
+ * statically by tools like lock_lint.  You can also define your own
+ * run-time test for each.  If you don't, we define them to 1 so that
+ * such assertions simply pass.
+ */
+#ifndef NO_LOCKS_HELD
+#define	NO_LOCKS_HELD	1
+#endif
+#ifndef NO_COMPETING_THREADS
+#define	NO_COMPETING_THREADS	1
+#endif
+
+#ifndef _ASM
+
+#ifdef	__STDC__
+
+/*
+ * The *_held() functions apply equally well to Solaris threads
+ * and to Posix threads synchronization objects, but the formal
+ * type declarations are different, so we just declare the argument
+ * to each *_held() function to be a void *, expecting that they will
+ * be called with the proper type of argument in each case.
+ */
+int _sema_held(void *);			/* sema_t or sem_t */
+int _rw_read_held(void *);		/* rwlock_t or pthread_rwlock_t */
+int _rw_write_held(void *);		/* rwlock_t or pthread_rwlock_t */
+int _mutex_held(void *);		/* mutex_t or pthread_mutex_t */
+
+#else	/* __STDC__ */
+
+int _sema_held();
+int _rw_read_held();
+int _rw_write_held();
+int _mutex_held();
+
+#endif	/* __STDC__ */
+
+/* Pause API */
+#ifdef	__STDC__
+void smt_pause(void);
+#else	/* __STDC__ */
+void smt_pause();
+#endif	/* __STDC__ */
+
+#endif /* _ASM */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYNCH_H */
diff --git a/head/thread.h b/head/thread.h
new file mode 100644
index 000000000000..63f0b7130d8d
--- /dev/null
+++ b/head/thread.h
@@ -0,0 +1,156 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_THREAD_H
+#define	_THREAD_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * thread.h:
+ * definitions needed to use the thread interface except synchronization.
+ * use <synch.h> for thread synchronization.
+ */
+
+#ifndef _ASM
+#include <sys/signal.h>
+#include <sys/time.h>
+#include <synch.h>
+#endif	/* _ASM */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ASM
+typedef unsigned int thread_t;
+typedef unsigned int thread_key_t;
+#endif /* _ASM */
+
+#ifndef _ASM
+#ifdef __STDC__
+
+extern int thr_create(void *, size_t, void *(*)(void *), void *, long,
+			thread_t *);
+extern int thr_join(thread_t, thread_t *, void **);
+extern int thr_setconcurrency(int);
+extern int thr_getconcurrency(void);
+extern void thr_exit(void *) __NORETURN;
+extern thread_t thr_self(void);
+
+/*
+ * the definition of thr_sigsetmask() is not strict ansi-c since sigset_t is
+ * not in the strict ansi-c name space. Hence, include the prototype for
+ * thr_sigsetmask() only if strict ansi-c conformance is not turned on.
+ */
+#if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
+extern int thr_sigsetmask(int, const sigset_t *, sigset_t *);
+#endif
+
+/*
+ * the definition of thr_stksegment() is not strict ansi-c since stack_t is
+ * not in the strict ansi-c name space. Hence, include the prototype for
+ * thr_stksegment() only if strict ansi-c conformance is not turned on.
+ */
+#if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
+extern int thr_stksegment(stack_t *);
+#endif
+
+extern int thr_main(void);
+extern int thr_kill(thread_t, int);
+extern int thr_suspend(thread_t);
+extern int thr_continue(thread_t);
+extern void thr_yield(void);
+extern int thr_setprio(thread_t, int);
+extern int thr_getprio(thread_t, int *);
+extern int thr_keycreate(thread_key_t *, void(*)(void *));
+extern int thr_keycreate_once(thread_key_t *, void(*)(void *));
+extern int thr_setspecific(thread_key_t, void *);
+extern int thr_getspecific(thread_key_t, void **);
+extern size_t thr_min_stack(void);
+
+#else /* __STDC */
+
+extern int thr_create();
+extern int thr_join();
+extern int thr_setconcurrency();
+extern int thr_getconcurrency();
+extern void thr_exit();
+extern thread_t	thr_self();
+extern int thr_sigsetmask();
+extern int thr_stksegment();
+extern int thr_main();
+extern int thr_kill();
+extern int thr_suspend();
+extern int thr_continue();
+extern void thr_yield();
+extern int thr_setprio();
+extern int thr_getprio();
+extern int thr_keycreate();
+extern int thr_keycreate_once();
+extern int thr_setspecific();
+extern int thr_getspecific();
+extern size_t thr_min_stack();
+
+#endif /* __STDC */
+#endif /* _ASM */
+
+#define	THR_MIN_STACK	thr_min_stack()
+/*
+ * thread flags (one word bit mask)
+ */
+/*
+ * POSIX.1c Note:
+ * THR_BOUND is defined same as PTHREAD_SCOPE_SYSTEM in <pthread.h>
+ * THR_DETACHED is defined same as PTHREAD_CREATE_DETACHED in <pthread.h>
+ * Any changes in these definitions should be reflected in <pthread.h>
+ */
+#define	THR_BOUND		0x00000001	/* = PTHREAD_SCOPE_SYSTEM */
+#define	THR_NEW_LWP		0x00000002
+#define	THR_DETACHED		0x00000040	/* = PTHREAD_CREATE_DETACHED */
+#define	THR_SUSPENDED		0x00000080
+#define	THR_DAEMON		0x00000100
+
+/*
+ * The key to be created by thr_keycreate_once()
+ * must be statically initialized with THR_ONCE_KEY.
+ * This must be the same as PTHREAD_ONCE_KEY_NP in <pthread.h>
+ */
+#define	THR_ONCE_KEY	(thread_key_t)(-1)
+
+/*
+ * The available register states returned by thr_getstate().
+ */
+#define	TRS_VALID	0
+#define	TRS_NONVOLATILE	1
+#define	TRS_LWPID	2
+#define	TRS_INVALID	3
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _THREAD_H */