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[commits] r2417 - in /fsf/trunk/ports: ./ sysdeps/arm/nptl/ sysdeps/mips/nptl/ sysdeps/unix/sysv/linux/arm/nptl/ sysdeps/unix/sysv/lin...



Author: eglibc
Date: Wed Jun  6 10:31:41 2007
New Revision: 2417

Log:
Import glibc-ports-mainline for 2007-06-06

Modified:
    fsf/trunk/ports/ChangeLog.arm
    fsf/trunk/ports/ChangeLog.mips
    fsf/trunk/ports/sysdeps/arm/nptl/tls.h
    fsf/trunk/ports/sysdeps/mips/nptl/tls.h
    fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h
    fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c
    fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
    fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
    fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h
    fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h

Modified: fsf/trunk/ports/ChangeLog.arm
==============================================================================
--- fsf/trunk/ports/ChangeLog.arm (original)
+++ fsf/trunk/ports/ChangeLog.arm Wed Jun  6 10:31:41 2007
@@ -1,3 +1,20 @@
+2007-06-06  Daniel Jacobowitz  <dan@xxxxxxxxxxxxxxxx>
+
+	* sysdeps/arm/nptl/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
+	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT): Define.
+	(THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
+	THREAD_GSCOPE_WAIT): Define.
+	* sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c
+	(lll_unlock_wake_cb): Delete.
+	* sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
+	(FUTEX_PRIVATE_FLAG): Define.
+	(lll_unlock_wake_cb): Delete prototype.
+	* sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h: Include
+	<endian.h>.
+	(pthread_rwlock_t): Shrink __flags and add __shared.
+	* sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
+	(RTLD_SINGLE_THREAD_P): Define.
+
 2007-05-23  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	* sysdeps/unix/sysv/linux/arm/kernel-features.h

Modified: fsf/trunk/ports/ChangeLog.mips
==============================================================================
--- fsf/trunk/ports/ChangeLog.mips (original)
+++ fsf/trunk/ports/ChangeLog.mips Wed Jun  6 10:31:41 2007
@@ -1,3 +1,16 @@
+2007-06-06  Daniel Jacobowitz  <dan@xxxxxxxxxxxxxxxx>
+
+	* sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
+	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT): Define.
+	(THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
+	THREAD_GSCOPE_WAIT): Define.
+	* sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
+	(FUTEX_PRIVATE_FLAG): Define.
+	(lll_unlock_wake_cb): Delete prototype.
+	* sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h: Include
+	<endian.h>.
+	(pthread_rwlock_t): Shrink __flags and add __shared.
+
 2007-05-24  Atsushi Nemoto  <anemo@xxxxxxxxxxxxx>
 
 	* sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c

Modified: fsf/trunk/ports/sysdeps/arm/nptl/tls.h
==============================================================================
--- fsf/trunk/ports/sysdeps/arm/nptl/tls.h (original)
+++ fsf/trunk/ports/sysdeps/arm/nptl/tls.h Wed Jun  6 10:31:41 2007
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  NPTL/ARM version.
-   Copyright (C) 2005 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007 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
@@ -132,6 +132,29 @@
    is not available.  */
 #define TLS_INIT_TP_EXPENSIVE 1
 
+/* Get and set the global scope generation counter in struct pthread.  */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED   1
+#define THREAD_GSCOPE_FLAG_WAIT   2
+#define THREAD_GSCOPE_RESET_FLAG() \
+  do									     \
+    { int __res								     \
+	= atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,	     \
+			       THREAD_GSCOPE_FLAG_UNUSED);		     \
+      if (__res == THREAD_GSCOPE_FLAG_WAIT)				     \
+	lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1);		     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+  do									     \
+    {									     \
+      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;	     \
+      atomic_write_barrier ();						     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_WAIT() \
+  GL(dl_wait_lookup_done) ()
+
 #endif /* __ASSEMBLER__ */
 
 #endif	/* tls.h */

Modified: fsf/trunk/ports/sysdeps/mips/nptl/tls.h
==============================================================================
--- fsf/trunk/ports/sysdeps/mips/nptl/tls.h (original)
+++ fsf/trunk/ports/sysdeps/mips/nptl/tls.h Wed Jun  6 10:31:41 2007
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  NPTL/MIPS version.
-   Copyright (C) 2005 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007 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
@@ -156,6 +156,29 @@
    different value to mean unset l_tls_offset.  */
 # define NO_TLS_OFFSET		-1
 
+/* Get and set the global scope generation counter in struct pthread.  */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED   1
+#define THREAD_GSCOPE_FLAG_WAIT   2
+#define THREAD_GSCOPE_RESET_FLAG() \
+  do									     \
+    { int __res								     \
+	= atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,	     \
+			       THREAD_GSCOPE_FLAG_UNUSED);		     \
+      if (__res == THREAD_GSCOPE_FLAG_WAIT)				     \
+	lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1);		     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+  do									     \
+    {									     \
+      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;	     \
+      atomic_write_barrier ();						     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_WAIT() \
+  GL(dl_wait_lookup_done) ()
+
 #endif /* __ASSEMBLER__ */
 
 #endif	/* tls.h */

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h Wed Jun  6 10:31:41 2007
@@ -18,6 +18,8 @@
 
 #ifndef _BITS_PTHREADTYPES_H
 #define _BITS_PTHREADTYPES_H	1
+
+#include <endian.h>
 
 #define __SIZEOF_PTHREAD_ATTR_T 36
 #define __SIZEOF_PTHREAD_MUTEX_T 24
@@ -126,9 +128,21 @@
     unsigned int __writer_wakeup;
     unsigned int __nr_readers_queued;
     unsigned int __nr_writers_queued;
+#if __BYTE_ORDER == __BIG_ENDIAN
+    unsigned char __pad1;
+    unsigned char __pad2;
+    unsigned char __shared;
     /* FLAGS must stay at this position in the structure to maintain
        binary compatibility.  */
-    unsigned int __flags;
+    unsigned char __flags;
+#else
+    /* FLAGS must stay at this position in the structure to maintain
+       binary compatibility.  */
+    unsigned char __flags;
+    unsigned char __shared;
+    unsigned char __pad1;
+    unsigned char __pad2;
+#endif
     int __writer;
   } __data;
   char __size[__SIZEOF_PTHREAD_RWLOCK_T];

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c Wed Jun  6 10:31:41 2007
@@ -1,5 +1,5 @@
 /* low level locking for pthread library.  Generic futex-using version.
-   Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005, 2007 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
@@ -63,20 +63,8 @@
 }
 
 
-/* These don't get included in libc.so  */
+/* This function doesn't get included in libc.so  */
 #ifdef IS_IN_libpthread
-int
-lll_unlock_wake_cb (int *futex)
-{
-  int val = atomic_exchange_rel (futex, 0);
-
-  if (__builtin_expect (val > 1, 0))
-    lll_futex_wake (futex, 1);
-
-  return 0;
-}
-
-
 int
 __lll_timedwait_tid (int *tidp, const struct timespec *abstime)
 {
@@ -114,5 +102,4 @@
 
   return 0;
 }
-
 #endif

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h Wed Jun  6 10:31:41 2007
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2006, 2007 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
@@ -34,6 +34,7 @@
 #define FUTEX_LOCK_PI		6
 #define FUTEX_UNLOCK_PI		7
 #define FUTEX_TRYLOCK_PI	8
+#define FUTEX_PRIVATE_FLAG	128
 
 /* Initializer for compatibility lock.	*/
 #define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -267,8 +268,6 @@
 #define LLL_LOCK_INITIALIZER		(0)
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
-extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
-
 /* The states of a lock are:
     0  -  untaken
     1  -  taken by one user

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h Wed Jun  6 10:31:41 2007
@@ -126,3 +126,9 @@
 # define NO_CANCELLATION 1
 
 #endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
+#endif

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h Wed Jun  6 10:31:41 2007
@@ -19,6 +19,8 @@
 
 #ifndef _BITS_PTHREADTYPES_H
 #define _BITS_PTHREADTYPES_H	1
+
+#include <endian.h>
 
 #if _MIPS_SIM == _ABI64
 # define __SIZEOF_PTHREAD_ATTR_T 56
@@ -157,9 +159,9 @@
     unsigned int __nr_readers_queued;
     unsigned int __nr_writers_queued;
     int __writer;
-    int __pad1;
+    int __shared;
+    unsigned long int __pad1;
     unsigned long int __pad2;
-    unsigned long int __pad3;
     /* FLAGS must stay at this position in the structure to maintain
        binary compatibility.  */
     unsigned int __flags;
@@ -173,9 +175,21 @@
     unsigned int __writer_wakeup;
     unsigned int __nr_readers_queued;
     unsigned int __nr_writers_queued;
+#if __BYTE_ORDER == __BIG_ENDIAN
+    unsigned char __pad1;
+    unsigned char __pad2;
+    unsigned char __shared;
     /* FLAGS must stay at this position in the structure to maintain
        binary compatibility.  */
-    unsigned int __flags;
+    unsigned char __flags;
+#else
+    /* FLAGS must stay at this position in the structure to maintain
+       binary compatibility.  */
+    unsigned char __flags;
+    unsigned char __shared;
+    unsigned char __pad1;
+    unsigned char __pad2;
+#endif
     int __writer;
   } __data;
 # endif

Modified: fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h (original)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h Wed Jun  6 10:31:41 2007
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2006, 2007 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
@@ -35,6 +35,7 @@
 #define FUTEX_LOCK_PI		6
 #define FUTEX_UNLOCK_PI		7
 #define FUTEX_TRYLOCK_PI	8
+#define FUTEX_PRIVATE_FLAG	128
 
 /* Initializer for compatibility lock.	*/
 #define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -233,8 +234,6 @@
 /* Initializers for lock.  */
 #define LLL_LOCK_INITIALIZER		(0)
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
-
-extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
 
 /* The states of a lock are:
     0  -  untaken