hurd: Add hurd thread library

Contributed by

Agustina Arzille <avarzille@riseup.net>
Amos Jeffries <squid3@treenet.co.nz>
David Michael <fedora.dm0@gmail.com>
Marco Gerards <marco@gnu.org>
Marcus Brinkmann <marcus@gnu.org>
Neal H. Walfield <neal@gnu.org>
Pino Toscano <toscano.pino@tiscali.it>
Richard Braun <rbraun@sceen.net>
Roland McGrath <roland@gnu.org>
Samuel Thibault <samuel.thibault@ens-lyon.org>
Thomas DiModica <ricinwich@yahoo.com>
Thomas Schwinge <tschwinge@gnu.org>

	* htl: New directory.
	* sysdeps/htl: New directory.
	* sysdeps/hurd/htl: New directory.
	* sysdeps/i386/htl: New directory.
	* sysdeps/mach/htl: New directory.
	* sysdeps/mach/hurd/htl: New directory.
	* sysdeps/mach/hurd/i386/htl: New directory.
	* nscd/Depend, resolv/Depend, rt/Depend: Add htl dependency.
	* sysdeps/mach/hurd/i386/Implies: Add mach/hurd/i386/htl imply.
	* sysdeps/mach/hurd/i386/libpthread.abilist: New file.

17 files changed, 734 insertions, 0 deletions

diff --git a/sysdeps/htl/bits/cancelation.h b/sysdeps/htl/bits/cancelation.h
new file mode 100644
index 0000000000..56cf1af154
--- /dev/null
+++ b/sysdeps/htl/bits/cancelation.h
@@ -0,0 +1,50 @@
+/* Cancelation.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_CANCELATION_H
+#define _BITS_CANCELATION_H	1
+
+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 = \
+	    { \
+	      (rt), \
+	      (rtarg), \
+	      *__handlers \
+	    }; \
+	  *__handlers = &__handler;
+
+#define __pthread_cleanup_pop(execute) \
+	  if (execute) \
+	    __handler.__handler (__handler.__arg); \
+	  *__handlers = __handler.__next; \
+	}
+
+#endif /* _BITS_CANCELATION_H */
diff --git a/sysdeps/htl/bits/pthread-np.h b/sysdeps/htl/bits/pthread-np.h
new file mode 100644
index 0000000000..b9587efba8
--- /dev/null
+++ b/sysdeps/htl/bits/pthread-np.h
@@ -0,0 +1,26 @@
+/* Non-portable functions. Generic version.
+   Copyright (C) 2008-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+/*
+ * Never include this file directly; use <pthread.h> or <cthreads.h> instead.
+ */
+
+#ifndef _BITS_PTHREAD_NP_H
+#define _BITS_PTHREAD_NP_H	1
+
+#endif /* bits/pthread-np.h */
diff --git a/sysdeps/htl/bits/pthread.h b/sysdeps/htl/bits/pthread.h
new file mode 100644
index 0000000000..593ab06ba8
--- /dev/null
+++ b/sysdeps/htl/bits/pthread.h
@@ -0,0 +1,36 @@
+/* Pthread data structures.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#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 int __pthread_equal (__pthread_t __t1, __pthread_t __t2);
+
+#ifdef __USE_EXTERN_INLINES
+__extern_inline int
+__pthread_equal (__pthread_t __t1, __pthread_t __t2)
+{
+  return __t1 == __t2;
+}
+#endif
+
+#endif /* bits/pthread.h */
diff --git a/sysdeps/htl/bits/pthreadtypes.h b/sysdeps/htl/bits/pthreadtypes.h
new file mode 100644
index 0000000000..95ccf513ff
--- /dev/null
+++ b/sysdeps/htl/bits/pthreadtypes.h
@@ -0,0 +1,131 @@
+/* Declaration of common pthread types for all architectures.  Hurd version.
+   Copyright (C) 2000-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#if !defined _BITS_TYPES_H && !defined _PTHREAD_H
+# error "Never include <bits/pthreadtypes.h> directly; use <sys/types.h> instead."
+#endif
+
+#ifndef _BITS_PTHREADTYPES_H
+#define _BITS_PTHREADTYPES_H    1
+
+#include <bits/thread-shared-types.h>
+
+#include <features.h>
+
+#include <bits/types.h>
+
+__BEGIN_DECLS
+#include <bits/pthread.h>
+typedef __pthread_t pthread_t;
+
+/* Possible values for the process shared attribute.  */
+enum __pthread_process_shared
+{
+  __PTHREAD_PROCESS_PRIVATE = 0,
+  __PTHREAD_PROCESS_SHARED
+};
+
+/* Possible values for the inheritsched attribute.  */
+enum __pthread_inheritsched
+{
+  __PTHREAD_EXPLICIT_SCHED = 0,
+  __PTHREAD_INHERIT_SCHED
+};
+
+/* Possible values for the `contentionscope' attribute.  */
+enum __pthread_contentionscope
+{
+  __PTHREAD_SCOPE_SYSTEM = 0,
+  __PTHREAD_SCOPE_PROCESS
+};
+
+/* Possible values for the `detachstate' attribute.  */
+enum __pthread_detachstate
+{
+  __PTHREAD_CREATE_JOINABLE = 0,
+  __PTHREAD_CREATE_DETACHED
+};
+
+#include <bits/types/struct___pthread_attr.h>
+typedef struct __pthread_attr pthread_attr_t;
+
+enum __pthread_mutex_protocol
+{
+  __PTHREAD_PRIO_NONE = 0,
+  __PTHREAD_PRIO_INHERIT,
+  __PTHREAD_PRIO_PROTECT
+};
+
+enum __pthread_mutex_type
+{
+  __PTHREAD_MUTEX_TIMED,
+  __PTHREAD_MUTEX_ERRORCHECK,
+  __PTHREAD_MUTEX_RECURSIVE
+};
+
+enum __pthread_mutex_robustness
+{
+  __PTHREAD_MUTEX_STALLED,
+  __PTHREAD_MUTEX_ROBUST = 0x100
+};
+
+#include <bits/types/struct___pthread_mutexattr.h>
+typedef struct __pthread_mutexattr pthread_mutexattr_t;
+
+#include <bits/types/struct___pthread_mutex.h>
+typedef struct __pthread_mutex pthread_mutex_t;
+
+#include <bits/types/struct___pthread_condattr.h>
+typedef struct __pthread_condattr pthread_condattr_t;
+
+#include <bits/types/struct___pthread_cond.h>
+typedef struct __pthread_cond pthread_cond_t;
+
+#ifdef __USE_XOPEN2K
+# include <bits/types/__pthread_spinlock_t.h>
+typedef __pthread_spinlock_t pthread_spinlock_t;
+#endif /* XPG6.  */
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
+
+# include <bits/types/struct___pthread_rwlockattr.h>
+typedef struct __pthread_rwlockattr pthread_rwlockattr_t;
+
+# include <bits/types/struct___pthread_rwlock.h>
+typedef struct __pthread_rwlock pthread_rwlock_t;
+
+#endif /* __USE_UNIX98 || __USE_XOPEN2K */
+
+#ifdef __USE_XOPEN2K
+
+# include <bits/types/struct___pthread_barrierattr.h>
+typedef struct __pthread_barrierattr pthread_barrierattr_t;
+
+# include <bits/types/struct___pthread_barrier.h>
+typedef struct __pthread_barrier pthread_barrier_t;
+
+#endif /* __USE_XOPEN2K */
+
+#include <bits/types/__pthread_key.h>
+typedef __pthread_key pthread_key_t;
+
+#include <bits/types/struct___pthread_once.h>
+typedef struct __pthread_once pthread_once_t;
+
+__END_DECLS
+#endif /* bits/pthreadtypes.h */
diff --git a/sysdeps/htl/bits/semaphore.h b/sysdeps/htl/bits/semaphore.h
new file mode 100644
index 0000000000..b1789be55f
--- /dev/null
+++ b/sysdeps/htl/bits/semaphore.h
@@ -0,0 +1,47 @@
+/* Semaphore type.  Generic version.
+   Copyright (C) 2005-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_SEMAPHORE_H
+#define _BITS_SEMAPHORE_H	1
+
+#ifndef _SEMAPHORE_H
+# error Never include <bits/semaphore.h> directly.
+#endif
+
+#include <bits/types/__pthread_spinlock_t.h>
+#include <bits/pthread.h>
+
+/* User visible part of a semaphore.  */
+struct __semaphore
+{
+  __pthread_spinlock_t __lock;
+  struct __pthread *__queue;
+  int __pshared;
+  int __value;
+  void *__data;
+};
+
+typedef struct __semaphore sem_t;
+
+#define SEM_FAILED ((void *) 0)
+
+/* Initializer for a semaphore.  */
+#define __SEMAPHORE_INITIALIZER(pshared, value) \
+  { __PTHREAD_SPIN_LOCK_INITIALIZER, NULL, (pshared), (value), NULL }
+
+#endif /* bits/semaphore.h */
diff --git a/sysdeps/htl/bits/thread-shared-types.h b/sysdeps/htl/bits/thread-shared-types.h
new file mode 100644
index 0000000000..054cbf201f
--- /dev/null
+++ b/sysdeps/htl/bits/thread-shared-types.h
@@ -0,0 +1,24 @@
+/* Common threading primitives definitions for both POSIX and C11.
+   Copyright (C) 2017-2018 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_SHARED_TYPES_H
+#define _THREAD_SHARED_TYPES_H 1
+
+#include <bits/pthreadtypes-arch.h>
+
+#endif /* _THREAD_SHARED_TYPES_H  */
diff --git a/sysdeps/htl/bits/types/__pthread_key.h b/sysdeps/htl/bits/types/__pthread_key.h
new file mode 100644
index 0000000000..c558f478b0
--- /dev/null
+++ b/sysdeps/htl/bits/types/__pthread_key.h
@@ -0,0 +1,24 @@
+/* Thread specific data.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES___PTHREAD_KEY_H
+#define _BITS_TYPES___PTHREAD_KEY_H	1
+
+typedef int __pthread_key;
+
+#endif /* bits/types/__pthread_key.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_attr.h b/sysdeps/htl/bits/types/struct___pthread_attr.h
new file mode 100644
index 0000000000..44f9543a84
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_attr.h
@@ -0,0 +1,45 @@
+/* Thread attribute type.  Generic version.
+   Copyright (C) 2000-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_ATTR
+#define _BITS_TYPES_STRUCT___PTHREAD_ATTR	1
+
+#include <sched.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+enum __pthread_detachstate;
+enum __pthread_inheritsched;
+enum __pthread_contentionscope;
+
+/* 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/types/struct___pthread_attr.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_barrier.h b/sysdeps/htl/bits/types/struct___pthread_barrier.h
new file mode 100644
index 0000000000..27a6b84212
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_barrier.h
@@ -0,0 +1,38 @@
+/* Thread barrier attribute type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_BARRIER_H
+#define _BITS_TYPES_STRUCT___PTHREAD_BARRIER_H	1
+
+#include <bits/types/__pthread_spinlock_t.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/types/struct___pthread_barrier.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_barrierattr.h b/sysdeps/htl/bits/types/struct___pthread_barrierattr.h
new file mode 100644
index 0000000000..5ac2c34d88
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_barrierattr.h
@@ -0,0 +1,31 @@
+/* Thread barrier attribute type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_BARRIERATTR_H
+#define _BITS_TYPES_STRUCT___PTHREAD_BARRIERATTR_H	1
+
+enum __pthread_process_shared;
+
+/* 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/types/struct___pthread_barrierattr.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_cond.h b/sysdeps/htl/bits/types/struct___pthread_cond.h
new file mode 100644
index 0000000000..d84cde0887
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_cond.h
@@ -0,0 +1,38 @@
+/* Condition type.  Generic version.
+   Copyright (C) 2000-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_COND_H
+#define _BITS_TYPES_STRUCT___PTHREAD_COND_H	1
+
+#include <bits/types/__pthread_spinlock_t.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 \
+  { __PTHREAD_SPIN_LOCK_INITIALIZER, NULL, NULL, NULL, NULL }
+
+#endif /* bits/types/struct___pthread_cond.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_condattr.h b/sysdeps/htl/bits/types/struct___pthread_condattr.h
new file mode 100644
index 0000000000..4d5450168c
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_condattr.h
@@ -0,0 +1,33 @@
+/* Condition attribute type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_CONDATTR
+#define _BITS_TYPES_STRUCT___PTHREAD_CONDATTR	1
+
+#include <bits/types.h>
+
+enum __pthread_process_shared;
+
+/* User visible part of a condition attribute variable.  */
+struct __pthread_condattr
+{
+  enum __pthread_process_shared __pshared;
+  __clockid_t __clock;
+};
+
+#endif /* bits/types/struct___pthread_condattr.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_mutex.h b/sysdeps/htl/bits/types/struct___pthread_mutex.h
new file mode 100644
index 0000000000..0a89ded73c
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_mutex.h
@@ -0,0 +1,62 @@
+/* Mutex type.  Generic version.
+
+   Copyright (C) 2000-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H
+#define _BITS_TYPES_STRUCT___PTHREAD_MUTEX_H	1
+
+#include <bits/types/__pthread_spinlock_t.h>
+#include <bits/types/struct___pthread_mutexattr.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 \
+    { __PTHREAD_SPIN_LOCK_INITIALIZER, __PTHREAD_SPIN_LOCK_INITIALIZER, 0, 0, 0, 0, 0, 0 }
+
+#define __PTHREAD_ERRORCHECK_MUTEXATTR ((struct __pthread_mutexattr *) ((unsigned long) __PTHREAD_MUTEX_ERRORCHECK + 1))
+
+#define __PTHREAD_ERRORCHECK_MUTEX_INITIALIZER \
+    { __PTHREAD_SPIN_LOCK_INITIALIZER, __PTHREAD_SPIN_LOCK_INITIALIZER, 0, 0,	\
+	__PTHREAD_ERRORCHECK_MUTEXATTR, 0, 0, 0 }
+
+#define __PTHREAD_RECURSIVE_MUTEXATTR ((struct __pthread_mutexattr *) ((unsigned long) __PTHREAD_MUTEX_RECURSIVE + 1))
+
+#define __PTHREAD_RECURSIVE_MUTEX_INITIALIZER \
+    { __PTHREAD_SPIN_LOCK_INITIALIZER, __PTHREAD_SPIN_LOCK_INITIALIZER, 0, 0,	\
+	__PTHREAD_RECURSIVE_MUTEXATTR, 0, 0, 0 }
+
+#endif /* bits/types/struct___pthread_mutex.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_mutexattr.h b/sysdeps/htl/bits/types/struct___pthread_mutexattr.h
new file mode 100644
index 0000000000..c77458ac21
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_mutexattr.h
@@ -0,0 +1,40 @@
+/* Mutex attribute type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_MUTEXATTR_H
+#define _BITS_TYPES_STRUCT___PTHREAD_MUTEXATTR_H	1
+
+enum __pthread_mutex_protocol;
+enum __pthread_process_shared;
+enum __pthread_mutex_type;
+
+/* 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;
+};
+
+/* Attributes for a recursive mutex.  */
+extern const struct __pthread_mutexattr __pthread_errorcheck_mutexattr;
+extern const struct __pthread_mutexattr __pthread_recursive_mutexattr;
+
+#endif /* bits/types/struct___pthread_mutexattr.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_once.h b/sysdeps/htl/bits/types/struct___pthread_once.h
new file mode 100644
index 0000000000..5b99658938
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_once.h
@@ -0,0 +1,33 @@
+/* Dynamic package initialization data structures.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_ONCE_H
+#define _BITS_TYPES_STRUCT___PTHREAD_ONCE_H	1
+
+#include <bits/types/__pthread_spinlock_t.h>
+
+struct __pthread_once
+{
+  int __run;
+  __pthread_spinlock_t __lock;
+};
+
+#define __PTHREAD_ONCE_INIT \
+	(struct __pthread_once) { 0, __PTHREAD_SPIN_LOCK_INITIALIZER }
+
+#endif /* bits/types/struct___pthread_once.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_rwlock.h b/sysdeps/htl/bits/types/struct___pthread_rwlock.h
new file mode 100644
index 0000000000..cf47671240
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_rwlock.h
@@ -0,0 +1,45 @@
+/* rwlock type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_RWLOCK_H
+#define _BITS_TYPES_STRUCT___PTHREAD_RWLOCK_H
+
+#include <bits/types/__pthread_spinlock_t.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 \
+    { __PTHREAD_SPIN_LOCK_INITIALIZER, __PTHREAD_SPIN_LOCK_INITIALIZER, 0, 0, 0, 0, 0 }
+
+
+#endif /* bits/types/struct___pthread_rwlock.h */
diff --git a/sysdeps/htl/bits/types/struct___pthread_rwlockattr.h b/sysdeps/htl/bits/types/struct___pthread_rwlockattr.h
new file mode 100644
index 0000000000..7df532ee04
--- /dev/null
+++ b/sysdeps/htl/bits/types/struct___pthread_rwlockattr.h
@@ -0,0 +1,31 @@
+/* Thread rwlock attribute type.  Generic version.
+   Copyright (C) 2002-2018 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT___PTHREAD_RWLOCKATTR_H
+#define _BITS_TYPES_STRUCT___PTHREAD_RWLOCKATTR_H	1
+
+enum __pthread_process_shared;
+
+/* 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/types/struct___pthread_rwlockattr.h */