Updated to fedora-glibc-20060217T1609

11 files changed, 978 insertions, 5 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/Makefile b/nptl/sysdeps/unix/sysv/linux/Makefile
index 14f513c127..88dce1a886 100644
--- a/nptl/sysdeps/unix/sysv/linux/Makefile
+++ b/nptl/sysdeps/unix/sysv/linux/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 # Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -24,7 +24,8 @@ sysdep_routines += register-atfork unregister-atfork libc_pthread_init \
 libpthread-sysdep_routines += pt-fork pthread_mutex_cond_lock
 
 gen-as-const-headers += lowlevelcond.sym lowlevelrwlock.sym \
-			lowlevelbarrier.sym unwindbuf.sym
+			lowlevelbarrier.sym unwindbuf.sym \
+			lowlevelrobustlock.sym
 endif
 
 ifeq ($(subdir),posix)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
new file mode 100644
index 0000000000..1c516c7424
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
@@ -0,0 +1,186 @@
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+
+	.text
+
+#ifndef LOCK
+# ifdef UP
+#  define LOCK
+# else
+#  define LOCK lock
+# endif
+#endif
+
+#define SYS_gettimeofday	__NR_gettimeofday
+#define SYS_futex		240
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+#define FUTEX_WAITERS		0x80000000
+#define FUTEX_OWNER_DIED	0x40000000
+
+
+	.globl	__lll_robust_mutex_lock_wait
+	.type	__lll_robust_mutex_lock_wait,@function
+	.hidden	__lll_robust_mutex_lock_wait
+	.align	16
+__lll_robust_mutex_lock_wait:
+	pushl	%edx
+	pushl	%ebx
+	pushl	%esi
+
+	movl	%ecx, %ebx
+	xorl	%esi, %esi	/* No timeout.  */
+	xorl	%ecx, %ecx	/* movl $FUTEX_WAIT, %ecx */
+
+4:	movl	%eax, %edx
+	orl	$FUTEX_WAITERS, %edx
+
+	testl	$FUTEX_OWNER_DIED, %eax
+	jnz	3f
+
+	cmpl	%edx, %eax	/* NB:	 %edx == 2 */
+	je	1f
+
+	LOCK
+	cmpxchgl %edx, (%ebx)
+	jnz	2f
+
+1:	movl	$SYS_futex, %eax
+	ENTER_KERNEL
+
+	movl	(%ebx), %eax
+
+2:	test	%eax, %eax
+	jne	4b
+
+	movl	%gs:TID, %edx
+	LOCK
+	cmpxchgl %edx, (%ebx)
+	jnz	4b
+	/* NB:	 %eax == 0 */
+
+3:	popl	%esi
+	popl	%ebx
+	popl	%edx
+	ret
+	.size	__lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+	.globl	__lll_robust_mutex_timedlock_wait
+	.type	__lll_robust_mutex_timedlock_wait,@function
+	.hidden	__lll_robust_mutex_timedlock_wait
+	.align	16
+__lll_robust_mutex_timedlock_wait:
+	/* Check for a valid timeout value.  */
+	cmpl	$1000000000, 4(%edx)
+	jae	3f
+
+	pushl	%edi
+	pushl	%esi
+	pushl	%ebx
+	pushl	%ebp
+
+	/* Stack frame for the timespec and timeval structs.  */
+	subl	$12, %esp
+
+	movl	%ecx, %ebp
+	movl	%edx, %edi
+
+1:	movl	%eax, 8(%esp)
+
+	/* Get current time.  */
+	movl	%esp, %ebx
+	xorl	%ecx, %ecx
+	movl	$SYS_gettimeofday, %eax
+	ENTER_KERNEL
+
+	/* Compute relative timeout.  */
+	movl	4(%esp), %eax
+	movl	$1000, %edx
+	mul	%edx		/* Milli seconds to nano seconds.  */
+	movl	(%edi), %ecx
+	movl	4(%edi), %edx
+	subl	(%esp), %ecx
+	subl	%eax, %edx
+	jns	4f
+	addl	$1000000000, %edx
+	subl	$1, %ecx
+4:	testl	%ecx, %ecx
+	js	8f		/* Time is already up.  */
+
+	/* Store relative timeout.  */
+	movl	%ecx, (%esp)
+	movl	%edx, 4(%esp)
+
+	movl	%ebp, %ebx
+
+	movl	8(%esp), %edx
+	movl	%edx, %eax
+	orl	$FUTEX_WAITERS, %edx
+
+	testl	$FUTEX_OWNER_DIED, %eax
+	jnz	6f
+
+	cmpl	%eax, %edx
+	je	2f
+
+	LOCK
+	cmpxchgl %edx, (%ebx)
+	movl	$0, %ecx	/* Must use mov to avoid changing cc.  */
+	jnz	5f
+
+2:
+	/* Futex call.  */
+	movl	%esp, %esi
+	xorl	%ecx, %ecx	/* movl $FUTEX_WAIT, %ecx */
+	movl	$SYS_futex, %eax
+	ENTER_KERNEL
+	movl	%eax, %ecx
+
+	movl	(%ebx), %eax
+
+5:	testl	%eax, %eax
+	jne	7f
+
+	movl	%gs:TID, %edx
+	LOCK
+	cmpxchgl %edx, (%ebx)
+	jnz	7f
+
+6:	addl	$12, %esp
+	popl	%ebp
+	popl	%ebx
+	popl	%esi
+	popl	%edi
+	ret
+
+	/* Check whether the time expired.  */
+7:	cmpl	$-ETIMEDOUT, %ecx
+	jne	1b
+
+8:	movl	$ETIMEDOUT, %eax
+	jmp	6b
+
+3:	movl	$EINVAL, %eax
+	ret
+	.size	__lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S
new file mode 100644
index 0000000000..f768e16a7d
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "../i486/lowlevelrobustlock.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S
new file mode 100644
index 0000000000..f768e16a7d
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "../i486/lowlevelrobustlock.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index b233d9747f..afdba009a0 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -139,6 +139,16 @@ extern int __lll_mutex_unlock_wake (int *__futex)
      ret; })
 
 
+#define lll_robust_mutex_trylock(futex, id) \
+  ({ int ret;								      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1"			      \
+		       : "=a" (ret), "=m" (futex)			      \
+		       : "r" (id), "m" (futex),				      \
+			 "0" (LLL_MUTEX_LOCK_INITIALIZER)		      \
+		       : "memory");					      \
+     ret; })
+
+
 #define lll_mutex_cond_trylock(futex) \
   ({ int ret;								      \
      __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1"			      \
@@ -167,6 +177,25 @@ extern int __lll_mutex_unlock_wake (int *__futex)
 			      : "memory"); })
 
 
+#define lll_robust_mutex_lock(futex, id) \
+  ({ int result, ignore;						      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t"			      \
+		       "jnz _L_mutex_lock_%=\n\t"			      \
+		       ".subsection 1\n\t"				      \
+		       ".type _L_mutex_lock_%=,@function\n"		      \
+		       "_L_mutex_lock_%=:\n\t"				      \
+		       "leal %2, %%ecx\n\t"				      \
+		       "call __lll_robust_mutex_lock_wait\n\t"		      \
+		       "jmp 1f\n\t"					      \
+		       ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n"	      \
+		       ".previous\n"					      \
+		       "1:"						      \
+		       : "=a" (result), "=c" (ignore), "=m" (futex)	      \
+		       : "0" (0), "1" (id), "m" (futex)			      \
+		       : "memory");					      \
+     result; })
+
+
 /* Special version of lll_mutex_lock which causes the unlock function to
    always wakeup waiters.  */
 #define lll_mutex_cond_lock(futex) \
@@ -187,6 +216,25 @@ extern int __lll_mutex_unlock_wake (int *__futex)
 			      : "memory"); })
 
 
+#define lll_robust_mutex_cond_lock(futex, id) \
+  ({ int result, ignore;						      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t"			      \
+		       "jnz _L_mutex_cond_lock_%=\n\t"			      \
+		       ".subsection 1\n\t"				      \
+		       ".type _L_mutex_cond_lock_%=,@function\n"	      \
+		       "_L_mutex_cond_lock_%=:\n\t"			      \
+		       "leal %2, %%ecx\n\t"				      \
+		       "call __lll_robust_mutex_lock_wait\n\t"		      \
+		       "jmp 1f\n\t"					      \
+		       ".size _L_mutex_cond_lock_%=,.-_L_mutex_cond_lock_%=\n"\
+		       ".previous\n"					      \
+		       "1:"						      \
+		       : "=a" (result), "=c" (ignore), "=m" (futex)	      \
+		       : "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex)	      \
+		       : "memory");					      \
+     result; })
+
+
 #define lll_mutex_timedlock(futex, timeout) \
   ({ int result, ignore1, ignore2;					      \
      __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t"			      \
@@ -208,9 +256,30 @@ extern int __lll_mutex_unlock_wake (int *__futex)
      result; })
 
 
+#define lll_robust_mutex_timedlock(futex, timeout, id) \
+  ({ int result, ignore1, ignore2;					      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t"			      \
+		       "jnz _L_mutex_timedlock_%=\n\t"			      \
+		       ".subsection 1\n\t"				      \
+		       ".type _L_mutex_timedlock_%=,@function\n"	      \
+		       "_L_mutex_timedlock_%=:\n\t"			      \
+		       "leal %3, %%ecx\n\t"				      \
+		       "movl %7, %%edx\n\t"				      \
+		       "call __lll_robust_mutex_timedlock_wait\n\t"	      \
+		       "jmp 1f\n\t"					      \
+		       ".size _L_mutex_timedlock_%=,.-_L_mutex_timedlock_%=\n"\
+		       ".previous\n"					      \
+		       "1:"						      \
+		       : "=a" (result), "=c" (ignore1), "=&d" (ignore2),      \
+			 "=m" (futex)					      \
+		       : "0" (0), "1" (id), "m" (futex), "m" (timeout)	      \
+		       : "memory");					      \
+     result; })
+
+
 #define lll_mutex_unlock(futex) \
   (void) ({ int ignore;							      \
-            __asm __volatile (LOCK_INSTR "subl $1,%0\n\t"		      \
+            __asm __volatile (LOCK_INSTR "subl $1, %0\n\t"		      \
 			      "jne _L_mutex_unlock_%=\n\t"		      \
 			      ".subsection 1\n\t"			      \
 			      ".type _L_mutex_unlock_%=,@function\n"	      \
@@ -226,6 +295,53 @@ extern int __lll_mutex_unlock_wake (int *__futex)
 			      : "memory"); })
 
 
+#define lll_robust_mutex_unlock(futex) \
+  (void) ({ int ignore;							      \
+            __asm __volatile (LOCK_INSTR "andl %2, %0\n\t"		      \
+			      "jne _L_mutex_unlock_%=\n\t"		      \
+			      ".subsection 1\n\t"			      \
+			      ".type _L_mutex_unlock_%=,@function\n"	      \
+			      "_L_mutex_unlock_%=:\n\t"			      \
+			      "leal %0, %%eax\n\t"			      \
+			      "call __lll_mutex_unlock_wake\n\t"	      \
+			      "jmp 1f\n\t"				      \
+			      ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+			      ".previous\n"				      \
+			      "1:"					      \
+			      : "=m" (futex), "=&a" (ignore)		      \
+			      : "i" (FUTEX_WAITERS), "m" (futex)	      \
+			      : "memory"); })
+
+
+#define lll_robust_mutex_dead(futex) \
+  (void) ({ int __ignore;						      \
+	    register int _nr asm ("edx") = 1;				      \
+	    __asm __volatile (LOCK_INSTR "orl %5, (%2)\n\t"		      \
+			      LLL_EBX_LOAD				      \
+			      LLL_ENTER_KERNEL				      \
+			      LLL_EBX_LOAD				      \
+			      : "=a" (__ignore)				      \
+			      : "0" (SYS_futex), LLL_EBX_REG (&(futex)),      \
+				"c" (FUTEX_WAKE), "d" (_nr),		      \
+				"i" (FUTEX_OWNER_DIED),			      \
+				"i" (offsetof (tcbhead_t, sysinfo))); })
+
+
+#define lll_futex_wake(futex, nr) \
+  do {									      \
+    int __ignore;							      \
+    register __typeof (nr) _nr asm ("edx") = (nr);			      \
+    __asm __volatile (LLL_EBX_LOAD					      \
+		      LLL_ENTER_KERNEL					      \
+		      LLL_EBX_LOAD					      \
+		      : "=a" (__ignore)					      \
+		      : "0" (SYS_futex), LLL_EBX_REG (futex),		      \
+			"c" (FUTEX_WAKE), "d" (_nr),			      \
+			"i" (0) /* phony, to align next arg's number */,      \
+			"i" (offsetof (tcbhead_t, sysinfo)));		      \
+  } while (0)
+
+
 #define lll_mutex_islocked(futex) \
   (futex != 0)
 
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym
new file mode 100644
index 0000000000..2f1e9da52b
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym
@@ -0,0 +1,6 @@
+#include <stddef.h>
+#include <pthreadP.h>
+
+--
+
+TID		offsetof (struct pthread, tid)
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c b/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
index 990db87416..a97351f880 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
@@ -1,7 +1,8 @@
 #include <pthreadP.h>
 
-#define LLL_MUTEX_LOCK(mutex) lll_mutex_cond_lock(mutex)
-#define LLL_MUTEX_TRYLOCK(mutex) lll_mutex_cond_trylock(mutex)
+#define LLL_MUTEX_LOCK(mutex) lll_mutex_cond_lock (mutex)
+#define LLL_MUTEX_TRYLOCK(mutex) lll_mutex_cond_trylock (mutex)
+#define LLL_ROBUST_MUTEX_LOCK(mutex, id) lll_robust_mutex_cond_lock (mutex, id)
 #define __pthread_mutex_lock __pthread_mutex_cond_lock
 #define NO_INCR
 
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index e3e3777f44..92f93cd5f5 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -62,6 +62,28 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
 	: "r0", "r1", "r2", "t", "memory"); \
      __result; })
 
+#define lll_robust_mutex_trylock(futex, id)	\
+  ({ unsigned char __result; \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+     0: mov.l @%1,r2\n\
+	cmp/eq r2,%3\n\
+	bf 1f\n\
+	mov.l %2,@%1\n\
+     1: mov r1,r15\n\
+	mov #-1,%0\n\
+	negc %0,%0"\
+	: "=r" (__result) \
+	: "r" (&(futex)), \
+	  "r" (id), \
+	  "r" (LLL_MUTEX_LOCK_INITIALIZER) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
 #define lll_mutex_cond_trylock(futex) \
   ({ unsigned char __result; \
      __asm __volatile ("\
@@ -102,6 +124,25 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
 	    if (__result) \
 	      __lll_mutex_lock_wait (__result, __futex); })
 
+#define lll_robust_mutex_lock(futex, id)		    \
+  ({ int __result, val, *__futex = &(futex); \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+      0: mov.l @%2,%0\n\
+	tst %0,%0\n\
+	bf 1f\n\
+	mov.l %1,@%2\n\
+      1: mov r1,r15"\
+	: "=&r" (__result) : "r" (id), "r" (__futex) \
+	: "r0", "r1", "t", "memory"); \
+     if (__result) \
+       __result = __lll_robust_mutex_lock_wait (__result, __futex); \
+     __result; })
+
 /* Special version of lll_mutex_lock which causes the unlock function to
    always wakeup waiters.  */
 #define lll_mutex_cond_lock(futex) \
@@ -122,6 +163,25 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
 	    if (__result) \
 	      __lll_mutex_lock_wait (__result, __futex); })
 
+#define lll_robust_mutex_cond_lock(futex, id)	    \
+  ({ int __result, val, *__futex = &(futex); \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+     0: mov.l @%2,%0\n\
+	tst %0,%0\n\
+	bf 1f\n\
+	mov.l %1,@%2\n\
+     1: mov r1,r15"\
+	: "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
+	: "r0", "r1", "t", "memory"); \
+      if (__result) \
+	__result = __lll_robust_mutex_lock_wait (__result, __futex); \
+      __result; })
+
 #define lll_mutex_timedlock(futex, timeout) \
   ({ int __result, val, *__futex = &(futex); \
      __asm __volatile ("\
@@ -141,6 +201,26 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
       __result = __lll_mutex_timedlock_wait (__result, __futex, timeout); \
     __result; })
 
+#define lll_robust_mutex_timedlock(futex, timeout, id)	\
+  ({ int __result, val, *__futex = &(futex); \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+     0: mov.l @%2,%0\n\
+	tst %0,%0\n\
+	bf 1f\n\
+	mov.l %1,@%2\n\
+     1: mov r1,r15"\
+	: "=&r" (__result) : "r" (id), "r" (__futex) \
+	: "r0", "r1", "t", "memory"); \
+    if (__result) \
+      __result = __lll_robust_mutex_timedlock_wait (__result, __futex, \
+						    timeout);	       \
+    __result; })
+
 #define lll_mutex_unlock(futex) \
   (void) ({ int __result, *__futex = &(futex); \
 	    __asm __volatile ("\
@@ -157,6 +237,37 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
 	    if (__result) \
 	      __lll_mutex_unlock_wake (__futex); })
 
+#define lll_robust_mutex_unlock(futex) \
+  (void) ({ int __result, *__futex = &(futex); \
+	    __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.l @%1,%0\n\
+		and %2,%0\n\
+		mov.l %0,@%1\n\
+	     1: mov r1,r15"\
+		: "=&r" (__result) : "r" (__futex), "r" (FUTEX_TID_MASK) \
+		: "r0", "r1", "memory");	\
+	    if (__result) \
+	      __lll_mutex_unlock_wake (__futex); })
+
+#define lll_robust_mutex_dead(futex) \
+  (void) ({ int __ignore, *__futex = &(futex); \
+	    __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.l @%1,%0\n\
+		or %2,%0\n\
+		mov.l %0,@%1\n\
+	     1: mov r1,r15"\
+		: "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \
+		: "r0", "r1", "memory");	\
+	    lll_futex_wake (__futex, 1); })
+
 #define lll_mutex_islocked(futex) \
   (futex != 0)
 
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S
new file mode 100644
index 0000000000..c57d3cff18
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S
@@ -0,0 +1,224 @@
+/* Copyright (C) 2003, 2004, 2005, 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+#include "lowlevel-atomic.h"
+
+	.text
+
+#define SYS_gettimeofday	__NR_gettimeofday
+#define SYS_futex		240
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+#define FUTEX_WAITERS		0x80000000
+#define FUTEX_OWNER_DIED	0x40000000
+
+
+	.globl	__lll_robust_mutex_lock_wait
+	.type	__lll_robust_mutex_lock_wait,@function
+	.hidden	__lll_robust_mutex_lock_wait
+	.align	5
+	cfi_startproc
+__lll_robust_mutex_lock_wait:
+	mov.l	r8, @-r15
+	cfi_adjust_cfa_offset(4)
+	cfi_rel_offset (r8, 0)
+	mov	r5, r8
+	mov	#0, r7		/* No timeout.  */
+	mov	#FUTEX_WAIT, r5
+
+4:
+	mov	r4, r6
+	mov.l	.L_FUTEX_WAITERS, r0
+	or	r0, r6
+	shlr	r0		/* r0 = FUTEX_OWNER_DIED */
+	tst	r0, r4
+	bf/s	3f
+	 cmp/eq	r4, r6
+	bt	1f
+
+	CMPXCHG (r4, @r8, r6, r2)
+	bf	2f
+
+1:
+	mov	r8, r4
+	mov	#SYS_futex, r3
+	extu.b	r3, r3
+	trapa	#0x14
+	SYSCALL_INST_PAD
+
+	mov.l	@r8, r2
+
+2:
+	tst	r2, r2
+	bf/s	4b
+	 mov	r2, r4
+
+	stc	gbr, r1
+	mov.w	.Ltidoff, r2
+	add	r2, r1
+	mov.l	@r1, r6
+	mov	#0, r3
+	CMPXCHG (r3, @r8, r6, r4)
+	bf	4b
+	mov	#0, r4
+
+3:
+	mov.l	@r15+, r8
+	ret
+	 mov	r4, r0
+	cfi_endproc
+	.align	2
+.L_FUTEX_WAITERS:
+	.long	FUTEX_WAITERS
+.Ltidoff:
+	.word	TID - TLS_PRE_TCB_SIZE
+	.size	__lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+	.globl	__lll_robust_mutex_timedlock_wait
+	.type	__lll_robust_mutex_timedlock_wait,@function
+	.hidden	__lll_robust_mutex_timedlock_wait
+	.align	5
+	cfi_startproc
+__lll_robust_mutex_timedlock_wait:
+	/* Check for a valid timeout value.  */
+	mov.l	@(4,r6), r1
+	mov.l	.L1g, r0
+	cmp/hs	r0, r1
+	bt	3f
+
+	mov.l	r10, @-r15
+	cfi_adjust_cfa_offset(4)
+	cfi_rel_offset (r10, 0)
+	mov.l	r9, @-r15
+	cfi_adjust_cfa_offset(4)
+	cfi_rel_offset (r9, 0)
+	mov.l	r8, @-r15
+	cfi_adjust_cfa_offset(4)
+	cfi_rel_offset (r8, 0)
+	mov	r4, r10
+	mov	r6, r9
+	mov	r5, r8
+
+	/* Stack frame for the timespec and timeval structs.  */
+	add	#-8, r15
+	cfi_adjust_cfa_offset(8)
+
+1:
+	/* Get current time.  */
+	mov	r15, r4
+	mov	#0, r5
+	mov	#SYS_gettimeofday, r3
+	trapa	#0x12
+	SYSCALL_INST_PAD
+
+	/* Compute relative timeout.  */
+	mov.l	@(4,r15), r0
+	mov.w	.L1k, r1
+	dmulu.l	r0, r1		/* Micro seconds to nano seconds.  */
+	mov.l	@r9, r2
+	mov.l	@(4,r9), r3
+	mov.l	@r15, r0
+	sts	macl, r1
+	sub	r0, r2
+	clrt
+	subc	r1, r3
+	bf	4f
+	mov.l	.L1g, r1
+	add	r1, r3
+	add	#-1, r2
+4:
+	cmp/pz	r2
+	bf	8f		/* Time is already up.  */
+
+	mov.l	r2, @r15	/* Store relative timeout.  */
+	mov.l	r3, @(4,r15)
+
+	mov	r10, r6
+	mov.l	.L_FUTEX_WAITERS2, r0
+	or	r0, r6
+	shlr	r0		/* r0 = FUTEX_OWNER_DIED */
+	tst	r0, r4
+	bf/s	6f
+	 cmp/eq	r4, r6
+	bt	2f
+
+	CMPXCHG (r4, @r8, r6, r2)
+	bf/s	5f
+	 mov	#0, r5
+
+2:
+	mov	r8, r4
+	mov	#FUTEX_WAIT, r5
+	mov	r10, r6
+	mov	r15, r7
+	mov	#SYS_futex, r3
+	extu.b	r3, r3
+	trapa	#0x14
+	SYSCALL_INST_PAD
+	mov	r0, r5
+
+	mov.l	@r8, r2
+
+5:
+	tst	r2, r2
+	bf/s	7f
+	 mov	r2, r10
+
+	stc	gbr, r1
+	mov.w	.Ltidoff2, r2
+	add	r2, r1
+	mov.l	@r1, r4
+	mov	#0, r3
+	CMPXCHG (r3, @r8, r4, r10)
+	bf	7f
+	mov	#0, r0
+
+6:
+	add	#8, r15
+	mov.l	@r15+, r8
+	mov.l	@r15+, r9
+	rts
+	 mov.l	@r15+, r10
+
+7:
+	/* Check whether the time expired.  */
+	mov	#-ETIMEDOUT, r1
+	cmp/eq	r5, r1
+	bf	1b
+
+8:
+	bra	6b
+	 mov	#ETIMEDOUT, r0
+3:
+	rts
+	 mov	#EINVAL, r0
+	cfi_endproc
+	.align	2
+.L_FUTEX_WAITERS2:
+	.long	FUTEX_WAITERS
+.L1g:
+	.long	1000000000
+.Ltidoff2:
+	.word	TID - TLS_PRE_TCB_SIZE
+.L1k:
+	.word	1000
+	.size	__lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index ebcfe6eef1..95e6923d4d 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -111,6 +111,16 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
      ret; })
 
 
+#define lll_robust_mutex_trylock(futex, id)				      \
+  ({ int ret;								      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1"			      \
+		       : "=a" (ret), "=m" (futex)			      \
+		       : "r" (id), "m" (futex),				      \
+			 "0" (LLL_MUTEX_LOCK_INITIALIZER)		      \
+		       : "memory");					      \
+     ret; })
+
+
 #define lll_mutex_cond_trylock(futex) \
   ({ int ret;								      \
      __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1"			      \
@@ -139,6 +149,25 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
 			      : "cx", "r11", "cc", "memory"); })
 
 
+#define lll_robust_mutex_lock(futex, id) \
+  ({ int result, ignore1, ignore2;				      \
+    __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t"			      \
+		      "jnz 1f\n\t"					      \
+		      ".subsection 1\n"					      \
+		      "1:\tleaq %2, %%rdi\n\t"				      \
+		      "subq $128, %%rsp\n\t"				      \
+		      "callq __lll_robust_mutex_lock_wait\n\t"		      \
+		      "addq $128, %%rsp\n\t"				      \
+		      "jmp 2f\n\t"					      \
+		      ".previous\n"					      \
+		      "2:"						      \
+		      : "=S" (ignore1), "=&D" (ignore2), "=m" (futex),	      \
+			"=a" (result)					      \
+		      : "0" (id), "m" (futex), "3" (0)			      \
+		      : "cx", "r11", "cc", "memory");			      \
+    result; })
+
+
 #define lll_mutex_cond_lock(futex) \
   (void) ({ int ignore1, ignore2, ignore3;				      \
 	    __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t"		      \
@@ -157,6 +186,25 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
 			      : "cx", "r11", "cc", "memory"); })
 
 
+#define lll_robust_mutex_cond_lock(futex, id) \
+  ({ int result, ignore1, ignore2;					      \
+    __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t"			      \
+		      "jnz 1f\n\t"					      \
+		      ".subsection 1\n"					      \
+		      "1:\tleaq %2, %%rdi\n\t"				      \
+		      "subq $128, %%rsp\n\t"				      \
+		      "callq __lll_robust_mutex_lock_wait\n\t"		      \
+		      "addq $128, %%rsp\n\t"				      \
+		      "jmp 2f\n\t"					      \
+		      ".previous\n"					      \
+		      "2:"						      \
+		      : "=S" (ignore1), "=&D" (ignore2), "=m" (futex),	      \
+			"=a" (result)					      \
+		      : "0" (id | FUTEX_WAITERS), "m" (futex), "3" (0)	      \
+		      : "cx", "r11", "cc", "memory");			      \
+    result; })
+
+
 #define lll_mutex_timedlock(futex, timeout) \
   ({ int result, ignore1, ignore2, ignore3;				      \
      __asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t"			      \
@@ -177,6 +225,26 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
      result; })
 
 
+#define lll_robust_mutex_timedlock(futex, timeout, id) \
+  ({ int result, ignore1, ignore2, ignore3;				      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t"			      \
+		       "jnz 1f\n\t"					      \
+		       ".subsection 1\n"				      \
+		       "1:\tleaq %4, %%rdi\n\t"				      \
+		       "movq %8, %%rdx\n\t"				      \
+		       "subq $128, %%rsp\n\t"				      \
+		       "callq __lll_robust_mutex_timedlock_wait\n\t"	      \
+		       "addq $128, %%rsp\n\t"				      \
+		       "jmp 2f\n\t"					      \
+		       ".previous\n"					      \
+		       "2:"						      \
+		       : "=a" (result), "=&D" (ignore1), "=S" (ignore2),      \
+			 "=&d" (ignore3), "=m" (futex)			      \
+		       : "0" (0), "2" (id), "m" (futex), "m" (timeout)	      \
+		       : "memory", "cx", "cc", "r10", "r11");		      \
+     result; })
+
+
 #define lll_mutex_unlock(futex) \
   (void) ({ int ignore;							      \
             __asm __volatile (LOCK_INSTR "decl %0\n\t"			      \
@@ -194,6 +262,34 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
 			      : "ax", "cx", "r11", "cc", "memory"); })
 
 
+#define lll_robust_mutex_unlock(futex) \
+  (void) ({ int ignore;							      \
+	    __asm __volatile (LOCK_INSTR "andl %2, %0\n\t"		      \
+			      "jne 1f\n\t"				      \
+			      ".subsection 1\n"				      \
+			      "1:\tleaq %0, %%rdi\n\t"			      \
+			      "subq $128, %%rsp\n\t"			      \
+			      "callq __lll_mutex_unlock_wake\n\t"	      \
+			      "addq $128, %%rsp\n\t"			      \
+			      "jmp 2f\n\t"				      \
+			      ".previous\n"				      \
+			      "2:"					      \
+			      : "=m" (futex), "=&D" (ignore)		      \
+			      : "i" (FUTEX_WAITERS), "m" (futex)	      \
+			      : "ax", "cx", "r11", "cc", "memory"); })
+
+
+#define lll_robust_mutex_dead(futex) \
+  (void) ({ int ignore;		     \
+	    __asm __volatile (LOCK_INSTR "orl %3, (%2)\n\t"		      \
+			      "syscall"					      \
+			      : "=m" (futex), "=a" (ignore)		      \
+			      : "D" (&(futex)), "i" (FUTEX_OWNER_DIED),	      \
+				"S" (FUTEX_WAKE), "1" (__NR_futex),	      \
+				"d" (1)					      \
+			      : "cx", "r11", "cc", "memory"); })
+
+
 #define lll_mutex_islocked(futex) \
   (futex != LLL_MUTEX_LOCK_INITIALIZER)
 
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
new file mode 100644
index 0000000000..7bb9191691
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
@@ -0,0 +1,192 @@
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+
+	.text
+
+#ifndef LOCK
+# ifdef UP
+#  define LOCK
+# else
+#  define LOCK lock
+# endif
+#endif
+
+#define SYS_futex		202
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+#define FUTEX_WAITERS		0x80000000
+#define FUTEX_OWNER_DIED	0x40000000
+
+/* For the calculation see asm/vsyscall.h.  */
+#define VSYSCALL_ADDR_vgettimeofday	0xffffffffff600000
+
+
+	.globl	__lll_robust_mutex_lock_wait
+	.type	__lll_robust_mutex_lock_wait,@function
+	.hidden	__lll_robust_mutex_lock_wait
+	.align	16
+__lll_robust_mutex_lock_wait:
+	pushq	%r10
+	pushq	%rdx
+
+	xorq	%r10, %r10	/* No timeout.  */
+#if FUTEX_WAIT == 0
+	xorl	%esi, %esi
+#else
+	movl	$FUTEX_WAIT, %esi
+#endif
+
+4:	movl	%eax, %edx
+	orl	$FUTEX_WAITERS, %edx
+
+	testl	$FUTEX_OWNER_DIED, %eax
+	jnz	3f
+
+	cmpl	%edx, %eax
+	je	1f
+
+	LOCK
+	cmpxchgl %edx, (%rdi)
+	jnz	2f
+
+1:	movl	$SYS_futex, %eax
+	syscall
+
+	movl	(%rdi), %eax
+
+2:	testl	%eax, %eax
+	jne	4b
+
+	movl	%fs:TID, %edx
+	LOCK
+	cmpxchgl %edx, (%rdi)
+	jnz	4b
+	/* NB:	 %rax == 0 */
+
+3:	popq	%rdx
+	popq	%r10
+	retq
+	.size	__lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+	.globl	__lll_robust_mutex_timedlock_wait
+	.type	__lll_robust_mutex_timedlock_wait,@function
+	.hidden	__lll_robust_mutex_timedlock_wait
+	.align	16
+__lll_robust_mutex_timedlock_wait:
+	/* Check for a valid timeout value.  */
+	cmpq	$1000000000, 8(%rdx)
+	jae	3f
+
+	pushq	%r8
+	pushq	%r9
+	pushq	%r12
+	pushq	%r13
+
+	/* Stack frame for the timespec and timeval structs.  */
+	subq	$24, %rsp
+
+	movq	%rdi, %r12
+	movq	%rdx, %r13
+
+1:	movq	%rax, 16(%rsp)
+
+	/* Get current time.  */
+	movq	%rsp, %rdi
+	xorl	%esi, %esi
+	movq	$VSYSCALL_ADDR_vgettimeofday, %rax
+	/* This is a regular function call, all caller-save registers
+	   might be clobbered.  */
+	callq	*%rax
+
+	/* Compute relative timeout.  */
+	movq	8(%rsp), %rax
+	movl	$1000, %edi
+	mul	%rdi		/* Milli seconds to nano seconds.  */
+	movq	(%r13), %rdi
+	movq	8(%r13), %rsi
+	subq	(%rsp), %rdi
+	subq	%rax, %rsi
+	jns	4f
+	addq	$1000000000, %rsi
+	decq	%rdi
+4:	testq	%rdi, %rdi
+	js	8f		/* Time is already up.  */
+
+	/* Futex call.  */
+	movq	%rdi, (%rsp)	/* Store relative timeout.  */
+	movq	%rsi, 8(%rsp)
+
+	movq	16(%rsp), %rdx
+	movl	%edx, %eax
+	orl	$FUTEX_WAITERS, %edx
+
+	testl	$FUTEX_OWNER_DIED, %eax
+	jnz	6f
+
+	cmpl	%eax, %edx
+	je	2f
+
+	LOCK
+	cmpxchgl %edx, (%r12)
+	movq	$0, %rcx	/* Must use mov to avoid changing cc.  */
+	jnz	5f
+
+2:	movq	%rsp, %r10
+#if FUTEX_WAIT == 0
+	xorl	%esi, %esi
+#else
+	movl	$FUTEX_WAIT, %esi
+#endif
+	movq	%r12, %rdi
+	movl	$SYS_futex, %eax
+	syscall
+	movq	%rax, %rcx
+
+	movl	(%r12), %eax
+
+5:	testl	%eax, %eax
+	jne	7f
+
+	movl	%fs:TID, %edx
+	LOCK
+	cmpxchgl %edx, (%r12)
+	jnz	7f
+
+6:	addq	$24, %rsp
+	popq	%r13
+	popq	%r12
+	popq	%r9
+	popq	%r8
+	retq
+
+	/* Check whether the time expired.  */
+7:	cmpq	$-ETIMEDOUT, %rcx
+	jne	1b
+
+8:	movl	$ETIMEDOUT, %eax
+	jmp	6b
+
+3:	movl	$EINVAL, %eax
+	retq
+	.size	__lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait