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* 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.

	* 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.
This commit is contained in:
Daniel Jacobowitz 2007-06-06 17:27:04 +00:00
parent d3d5bc2540
commit 30efab519e
10 changed files with 122 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
ChangeLog.arm
View File

@ -1,3 +1,20 @@
2007-06-06 Daniel Jacobowitz <dan@codesourcery.com>
* 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@codesourcery.com>
* sysdeps/unix/sysv/linux/arm/kernel-features.h

13
ChangeLog.mips
View File

@ -1,3 +1,16 @@
2007-06-06 Daniel Jacobowitz <dan@codesourcery.com>
* 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@mba.ocn.ne.jp>
* sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c

25
sysdeps/arm/nptl/tls.h
View File

@ -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 @@ typedef struct
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 */

25
sysdeps/mips/nptl/tls.h
View File

@ -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 @@ typedef struct
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 */

16
sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h
View File

@ -19,6 +19,8 @@
#ifndef _BITS_PTHREADTYPES_H
#define _BITS_PTHREADTYPES_H 1
#include <endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
@ -126,9 +128,21 @@ typedef union
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];

17
sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c
View File

@ -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 @@ __lll_timedlock_wait (int *futex, const struct timespec *abstime)
}
/* 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 @@ __lll_timedwait_tid (int *tidp, const struct timespec *abstime)
return 0;
}
#endif

5
sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
View File

@ -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 @@ typedef int lll_lock_t;
#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

6
sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
View File

@ -126,3 +126,9 @@ extern int __local_multiple_threads attribute_hidden;
# define NO_CANCELLATION 1
#endif
#ifndef __ASSEMBLER__
# define RTLD_SINGLE_THREAD_P \
__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
header.multiple_threads) == 0, 1)
#endif

20
sysdeps/unix/sysv/linux/mips/nptl/bits/pthreadtypes.h
View File

@ -20,6 +20,8 @@
#ifndef _BITS_PTHREADTYPES_H
#define _BITS_PTHREADTYPES_H 1
#include <endian.h>
#if _MIPS_SIM == _ABI64
# define __SIZEOF_PTHREAD_ATTR_T 56
# define __SIZEOF_PTHREAD_MUTEX_T 40
@ -157,9 +159,9 @@ typedef union
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 @@ typedef union
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

5
sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
View File

@ -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)
@ -234,8 +235,6 @@ typedef int lll_lock_t;
#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