Import libpthread.

14 files changed, 631 insertions, 0 deletions

diff --git a/sysdeps/generic/bits/barrier-attr.h b/sysdeps/generic/bits/barrier-attr.h
new file mode 100644
index 00000000..86f3cb02
--- /dev/null
+++ b/sysdeps/generic/bits/barrier-attr.h
@@ -0,0 +1,30 @@
+/* Thread barrier attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_BARRIER_ATTR_H
+#define _BITS_BARRIER_ATTR_H	1
+
+/* This structure describes the attributes of a POSIX thread barrier.
+   Note that not all of them are supported on all systems.  */
+struct __pthread_barrierattr
+{
+  enum __pthread_process_shared pshared;
+};
+
+#endif /* bits/barrier-attr.h */
diff --git a/sysdeps/generic/bits/barrier.h b/sysdeps/generic/bits/barrier.h
new file mode 100644
index 00000000..5e559312
--- /dev/null
+++ b/sysdeps/generic/bits/barrier.h
@@ -0,0 +1,39 @@
+/* Thread barrier attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_BARRIER_H
+#define _BITS_BARRIER_H	1
+
+#include <bits/spin-lock.h>
+
+/* This structure describes the attributes of a POSIX barrier.  */
+struct __pthread_barrier
+{
+  __pthread_spinlock_t lock;
+  struct __pthread *queue; /* List of waiters.  */
+  unsigned pending;	/* Number of that still need to wait on
+			   barrier.  */
+  unsigned count;	/* Number of threads that must wait before
+			   barrier is passed.  */
+  struct __pthread_barrierattr *attr;
+  void *data;
+};
+
+
+#endif /* bits/barrier.h */
diff --git a/sysdeps/generic/bits/cancelation.h b/sysdeps/generic/bits/cancelation.h
new file mode 100644
index 00000000..bb6b58a1
--- /dev/null
+++ b/sysdeps/generic/bits/cancelation.h
@@ -0,0 +1,54 @@
+/* Cancelation.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_CANCELATION_H
+#define _BITS_CANCELATION_H	1
+
+#include <assert.h>
+
+struct __pthread_cancelation_handler
+{
+  void (*handler)(void *);
+  void *arg;
+  struct __pthread_cancelation_handler *next;
+};
+
+/* Returns the thread local location of the cleanup handler stack.  */
+struct __pthread_cancelation_handler **__pthread_get_cleanup_stack (void);
+
+#define pthread_cleanup_push(rt, rtarg) \
+	{ \
+	  struct __pthread_cancelation_handler **__handlers \
+	    = __pthread_get_cleanup_stack (); \
+	  struct __pthread_cancelation_handler __handler = \
+	    { \
+	      handler: (rt), \
+	      arg: (rtarg), \
+	      next: *__handlers \
+	    }; \
+	  *__handlers = &__handler;
+	  
+#define pthread_cleanup_pop(execute) \
+	  if (execute) \
+	    __handler.handler (__handler.arg); \
+	  assert (*__handlers == &__handler); \
+	  *__handlers = __handler.next; \
+	}
+
+#endif /* _BITS_CANCELATION_H */
diff --git a/sysdeps/generic/bits/condition-attr.h b/sysdeps/generic/bits/condition-attr.h
new file mode 100644
index 00000000..2d48dfb6
--- /dev/null
+++ b/sysdeps/generic/bits/condition-attr.h
@@ -0,0 +1,32 @@
+/* Condition attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_CONDITION_ATTR_H
+#define _BITS_CONDITION_ATTR_H	1
+
+#include <time.h>
+
+/* User visible part of a condition attribute variable.  */
+struct __pthread_condattr
+  {
+    enum __pthread_process_shared pshared;
+    clockid_t clock;
+  };
+
+#endif /* bits/condition.h */
diff --git a/sysdeps/generic/bits/condition.h b/sysdeps/generic/bits/condition.h
new file mode 100644
index 00000000..cb7e935c
--- /dev/null
+++ b/sysdeps/generic/bits/condition.h
@@ -0,0 +1,40 @@
+/* Condition type.  Generic version.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_CONDITION_H
+#define _BITS_CONDITION_H	1
+
+#include <bits/spin-lock.h>
+
+/* User visible part of a condition variable.  */
+struct __pthread_cond
+  {
+    __pthread_spinlock_t __lock;
+    struct __pthread *__queue;
+    struct __pthread_condattr *__attr;
+    struct __pthread_condimpl *__impl;
+    void *__data;
+  };
+
+/* Initializer for a condition variable.  */
+#define __PTHREAD_COND_INITIALIZER \
+  ((struct __pthread_cond) \
+    { __SPIN_LOCK_INITIALIZER, NULL, NULL, NULL, NULL })
+
+#endif /* bits/condition.h */
diff --git a/sysdeps/generic/bits/mutex-attr.h b/sysdeps/generic/bits/mutex-attr.h
new file mode 100644
index 00000000..883b0746
--- /dev/null
+++ b/sysdeps/generic/bits/mutex-attr.h
@@ -0,0 +1,33 @@
+/* Mutex attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_MUTEX_ATTR_H
+#define _BITS_MUTEX_ATTR_H	1
+
+/* This structure describes the attributes of a POSIX mutex
+   attribute.  */
+struct __pthread_mutexattr
+{
+  int prioceiling;
+  enum __pthread_mutex_protocol protocol;
+  enum __pthread_process_shared pshared;
+  enum __pthread_mutex_type mutex_type;
+};
+
+#endif /* bits/mutex-attr.h */
diff --git a/sysdeps/generic/bits/mutex.h b/sysdeps/generic/bits/mutex.h
new file mode 100644
index 00000000..2baf0408
--- /dev/null
+++ b/sysdeps/generic/bits/mutex.h
@@ -0,0 +1,139 @@
+/* Mutex type.  Generic version.
+   Copyright (C) 2000,02 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_MUTEX_H
+
+#ifndef __need_pthread_mutex
+# define _BITS_MUTEX_H	1
+#endif
+
+#ifndef __pthread_mutex_defined
+# if defined __need_pthread_mutex || defined _BITS_MUTEX_H
+#  undef __need_pthread_mutex
+#  define __pthread_mutex_defined
+
+#  include <bits/spin-lock.h>
+#  include <bits/mutex-attr.h>
+
+/* User visible part of a mutex.  */
+struct __pthread_mutex
+  {
+    __pthread_spinlock_t __held;
+    __pthread_spinlock_t __lock;
+    /* In cthreads, mutex_init does not initialized thre third
+       pointer, as such, we cannot rely on its value for anything.  */
+    char *cthreadscompat1;
+    struct __pthread *__queue;
+    struct __pthread_mutexattr *attr;
+    void *data;
+    /*  Up to this point, we are completely compatible with cthreads
+	and what libc expects.  */
+    void *owner;
+    unsigned locks;
+    /* If NULL then the default attributes apply.  */
+  };
+
+/* Initializer for a mutex.  N.B.  this also happens to be compatible
+   with the cthread mutex initializer.  */
+#  define __PTHREAD_MUTEX_INITIALIZER \
+    ((struct __pthread_mutex) \
+      { __SPIN_LOCK_INITIALIZER, __SPIN_LOCK_INITIALIZER, NULL, NULL, NULL, \
+	NULL, 0, 0 })
+
+# endif
+#endif /* Not __pthread_mutex_defined.  */
+
+#ifdef _BITS_MUTEX_H
+
+#include <errno.h>
+#include <stddef.h>
+
+#ifdef __USE_EXTERN_INLINES
+
+# ifndef _EXTERN_INLINE
+#  define _EXTERN_INLINE extern __inline
+# endif
+
+_EXTERN_INLINE int
+pthread_mutex_init (struct __pthread_mutex *__mutex,
+		    const pthread_mutexattr_t *attr)
+{
+  extern int _pthread_mutex_init (struct __pthread_mutex *,
+				  const pthread_mutexattr_t *);
+
+  if (attr)
+    return _pthread_mutex_init (__mutex, attr);
+
+  *__mutex = __PTHREAD_MUTEX_INITIALIZER;
+  return 0;
+}
+
+_EXTERN_INLINE int
+pthread_mutex_destroy (struct __pthread_mutex *__mutex)
+{
+  extern int _pthread_mutex_destroy (struct __pthread_mutex *);
+
+  if (__mutex->attr || __mutex->data)
+    return _pthread_mutex_destroy (__mutex);
+
+  return 0;
+}
+
+_EXTERN_INLINE int
+__pthread_mutex_lock (struct __pthread_mutex *__mutex)
+{
+  extern int _pthread_mutex_lock (struct __pthread_mutex *);
+  
+  if (__mutex->attr == NULL
+      && __mutex->data == NULL
+      && __pthread_spin_trylock (&__mutex->__held) == 0)
+    return 0;
+
+  return _pthread_mutex_lock (__mutex);
+}
+
+extern inline int
+__pthread_mutex_trylock (struct __pthread_mutex *__mutex)
+{
+  extern int _pthread_mutex_trylock (struct __pthread_mutex *);
+  
+  if (__mutex->attr == NULL
+      && __mutex->data == NULL)
+    return __pthread_spin_trylock (&__mutex->__held);
+
+  return _pthread_mutex_trylock (__mutex);
+}
+
+extern inline int
+pthread_mutex_lock (struct __pthread_mutex *__mutex)
+{
+  return __pthread_mutex_lock (__mutex);
+}
+
+extern inline int
+pthread_mutex_trylock (struct __pthread_mutex *__mutex)
+{
+  return __pthread_mutex_trylock (__mutex);
+}
+
+#endif /* Use extern inlines.  */
+
+#endif
+
+#endif /* bits/mutex.h */
diff --git a/sysdeps/generic/bits/once.h b/sysdeps/generic/bits/once.h
new file mode 100644
index 00000000..7f572faf
--- /dev/null
+++ b/sysdeps/generic/bits/once.h
@@ -0,0 +1,34 @@
+/* Dynamic package initialization data structures.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_ONCE_H
+#define _BITS_ONCE_H	1
+
+#include <bits/spin-lock.h>
+
+struct __pthread_once
+{
+  int run;
+  __pthread_spinlock_t lock;
+};
+
+#define __PTHREAD_ONCE_INIT \
+	{ 0, __SPIN_LOCK_INITIALIZER }
+
+#endif /* bits/once.h */
diff --git a/sysdeps/generic/bits/pthread.h b/sysdeps/generic/bits/pthread.h
new file mode 100644
index 00000000..740325d0
--- /dev/null
+++ b/sysdeps/generic/bits/pthread.h
@@ -0,0 +1,33 @@
+/* Pthread data structures.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_PTHREAD_H
+#define _BITS_PTHREAD_H	1
+
+typedef int pthread_t;
+
+/* Return true if __T1 and __T2 both name the same thread.  Otherwise,
+   false.  */
+extern inline int
+pthread_equal (pthread_t __t1, pthread_t __t2)
+{
+  return __t1 == __t2;
+}
+
+#endif /* bits/pthread.h */
diff --git a/sysdeps/generic/bits/rwlock-attr.h b/sysdeps/generic/bits/rwlock-attr.h
new file mode 100644
index 00000000..44765bd6
--- /dev/null
+++ b/sysdeps/generic/bits/rwlock-attr.h
@@ -0,0 +1,30 @@
+/* Thread rwlock attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_RWLOCK_ATTR_H
+#define _BITS_RWLOCK_ATTR_H	1
+
+/* This structure describes the attributes of a POSIX thread rwlock.
+   Note that not all of them are supported on all systems.  */
+struct __pthread_rwlockattr
+{
+  enum __pthread_process_shared pshared;
+};
+
+#endif /* bits/rwlock-attr.h */
diff --git a/sysdeps/generic/bits/rwlock.h b/sysdeps/generic/bits/rwlock.h
new file mode 100644
index 00000000..d089b0c6
--- /dev/null
+++ b/sysdeps/generic/bits/rwlock.h
@@ -0,0 +1,73 @@
+/* rwlock type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_RWLOCK_H
+#define _BITS_RWLOCK_H
+
+#include <bits/spin-lock.h>
+
+/* User visible part of a rwlock.  If __held is not held and readers
+   is 0, then the lock is unlocked.  If __held is held and readers is
+   0, then the lock is held by a writer.  If __held is held and
+   readers is greater than 0, then the lock is held by READERS
+   readers.  */
+struct __pthread_rwlock
+  {
+    __pthread_spinlock_t __held;
+    __pthread_spinlock_t __lock;
+    int readers;
+    struct __pthread *readerqueue;
+    struct __pthread *writerqueue;
+    struct __pthread_rwlockattr *__attr;
+    void *__data;
+  };
+
+/* Initializer for a rwlock.  */
+#define __PTHREAD_RWLOCK_INITIALIZER \
+    ((struct __pthread_rwlock) \
+      { __SPIN_LOCK_INITIALIZER, __SPIN_LOCK_INITIALIZER, 0, 0, 0, 0, 0 })
+
+
+_EXTERN_INLINE int
+pthread_rwlock_init (struct __pthread_rwlock *__rwlock,
+		     const struct __pthread_rwlockattr *__attr)
+{
+  extern int _pthread_rwlock_init (struct __pthread_rwlock *,
+				   const struct __pthread_rwlockattr *);
+
+  if (__attr)
+    return _pthread_rwlock_init (__rwlock, __attr);
+
+  *__rwlock = __PTHREAD_RWLOCK_INITIALIZER;
+  return 0;
+}
+
+_EXTERN_INLINE int
+pthread_rwlock_destroy (struct __pthread_rwlock *__rwlock)
+{
+  extern int _pthread_rwlock_destroy (struct __pthread_rwlock *);
+
+  if (__rwlock->__attr
+      || __rwlock->__data)
+    return _pthread_rwlock_destroy (__rwlock);
+
+  return 0;
+}
+
+#endif /* bits/rwlock.h */
diff --git a/sysdeps/generic/bits/thread-attr.h b/sysdeps/generic/bits/thread-attr.h
new file mode 100644
index 00000000..31630221
--- /dev/null
+++ b/sysdeps/generic/bits/thread-attr.h
@@ -0,0 +1,39 @@
+/* Thread attribute type.  Generic version.
+   Copyright (C) 2000,02 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_THREAD_ATTR_H
+#define _BITS_THREAD_ATTR_H	1
+
+#include <sched.h>
+
+/* This structure describes the attributes of a POSIX thread.  Note
+   that not all of them are supported on all systems.  */
+struct __pthread_attr
+{
+  struct sched_param schedparam;
+  void *stackaddr;
+  size_t stacksize;
+  size_t guardsize;
+  enum __pthread_detachstate detachstate;
+  enum __pthread_inheritsched inheritsched;
+  enum __pthread_contentionscope contentionscope;
+  int schedpolicy;
+};
+
+#endif /* bits/thread-attr.h */
diff --git a/sysdeps/generic/bits/thread-barrier.h b/sysdeps/generic/bits/thread-barrier.h
new file mode 100644
index 00000000..23d51ae5
--- /dev/null
+++ b/sysdeps/generic/bits/thread-barrier.h
@@ -0,0 +1,30 @@
+/* Thread barrier attribute type.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_THREAD_BARRIER_H
+#define _BITS_THREAD_BARRIER_H	1
+
+/* This structure describes the attributes of a POSIX thread barrier.
+   Note that not all of them are supported on all systems.  */
+struct __pthread_attr
+{
+  enum __
+};
+
+#endif /* bits/thread-barrier.h */
diff --git a/sysdeps/generic/bits/thread-specific.h b/sysdeps/generic/bits/thread-specific.h
new file mode 100644
index 00000000..b42d99e7
--- /dev/null
+++ b/sysdeps/generic/bits/thread-specific.h
@@ -0,0 +1,25 @@
+/* Thread specific data.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_THREAD_SPECIFIC_H
+#define _BITS_THREAD_SPECIFIC_H	1
+
+typedef int __pthread_key;
+
+#endif /* bits/thread-specific.h */