2008-08-12 Neal H. Walfield <neal@gnu.org>

	Merge changes from hurd-l4 fork.

	* Makefile (SRCS): Add pt-startup.c and pt-mutex-transfer-np.c.
	(sysdeps_headers): Add pthread-np.h.

2008-08-12  Neal H. Walfield  <neal@gnu.org>

	* sysdeps/generic/bits/pthread-np.h: New file.

2008-08-12  Neal H. Walfield  <neal@gnu.org>

	* sysdeps/generic/pt-startup.c: New file.

2008-08-12  Neal H. Walfield  <neal@gnu.org>

	* sysdeps/generic/bits/mutex.h (__PTHREAD_RECURSIVE_MUTEX_INITIALIZER):
	Define.
	(__PTHREAD_MUTEX_RECURSIVE_INITIALIZER): Don't define.
	* include/pthread/pthread.h
	(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP) [__USE_GNU]: Define.
	(PTHREAD_MUTEX_RECURSIVE_INITIALIZER_NP): Don't define.

2008-08-12  Neal H. Walfield  <neal@gnu.org>

	* include/pthread/pthread.h: Include <sys/cdefs.h>.
	(__extern_inline): If not defined, define appropriately.

2008-06-01  Neal H. Walfield  <neal@gnu.org>

	* include/pthread/pthread.h (PTHREAD_MUTEX_RECURSIVE_INITIALIZER_NP):
	New definition.
	* sysdeps/generic/bits/mutex.h
	(__PTHREAD_MUTEX_RECURSIVE_INITIALIZER): New definition.
	* sysdeps/generic/bits/mutex-attr.h (__pthread_recursive_mutexattr):
	New definition.
	* sysdeps/generic/pt-mutexattr.c (__pthread_recursive_mutexattr):
	New declaration.
	* sysdeps/generic/pt-mutex-init.c (_pthread_mutex_init): If ATTR
	is &__PTHREAD_RECURSIVE_MUTEXATTR, don't allocate a copy, just
	save in MUTEX->ATTR.
	* sysdeps/generic/pt-mutex-destroy.c (_pthread_mutex_destroy): If
	MUTEX->ATTR is &__PTHREAD_RECURSIVE_MUTEXATTR, don't free it.

2008-05-29  Thomas Schwinge  <tschwinge@gnu.org>

	* sysdeps/generic/sem-timedwait.c: Don't include <error.h>.

2008-05-21  Neal H. Walfield  <neal@gnu.org>

	* include/pthread/pthread.h: Include <bits/pthread-np.h>.

2008-03-01  Neal H. Walfield  <neal@gnu.org>

	* sysdeps/generic/pt-mutex-transfer-np.c: New file.

	* pthread/pt-self.c (pthread_self): Assert that SELF is not NULL.

2007-12-23  Neal H. Walfield  <neal@gnu.org>

	* pthread/pt-join.c (pthread_join): Cast argument to
	pthread_cleanup_push to avoid warning.

2007-11-23  Neal H. Walfield  <neal@gnu.org>

	* pthread/pt-internal.h (__pthread_startup): Add declaration.
	* pthread/pt-create.c (entry_point): Call __pthread_startup.

1 files changed, 66 insertions, 0 deletions

diff --git a/sysdeps/ia32/bits/atomic.h b/sysdeps/ia32/bits/atomic.h
new file mode 100644
index 0000000..0dfc1f6
--- /dev/null
+++ b/sysdeps/ia32/bits/atomic.h
@@ -0,0 +1,66 @@
+/* Atomic operations.  i386 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_ATOMIC_H
+#define _BITS_ATOMIC_H	1
+
+typedef __volatile int __atomic_t;
+
+static inline void
+__atomic_inc (__atomic_t *__var)
+{
+  __asm__ __volatile ("lock; incl %0" : "=m" (*__var) : "m" (*__var));
+}
+
+static inline void
+__atomic_dec (__atomic_t *__var)
+{
+  __asm__ __volatile ("lock; decl %0" : "=m" (*__var) : "m" (*__var));
+}
+
+static inline int
+__atomic_dec_and_test (__atomic_t *__var)
+{
+  unsigned char __ret;
+
+  __asm__ __volatile ("lock; decl %0; sete %1"
+		      : "=m" (*__var), "=qm" (__ret) : "m" (*__var));
+  return __ret != 0;
+}
+
+/* We assume that an __atomicptr_t is only used for pointers to
+   word-aligned objects, and use the lowest bit for a simple lock.  */
+typedef __volatile int * __atomicptr_t;
+
+/* Actually we don't implement that yet, and assume that we run on
+   something that has the i486 instruction set.  */
+static inline int
+__atomicptr_compare_and_swap (__atomicptr_t *__ptr, void *__oldval,
+			      void * __newval)
+{
+  char __ret;
+  int __dummy;
+
+  __asm__ __volatile ("lock; cmpxchgl %3, %1; sete %0"
+		      : "=q" (__ret), "=m" (*__ptr), "=a" (__dummy)
+		      : "r" (__newval), "m" (*__ptr), "a" (__oldval));
+  return __ret;
+}
+
+#endif