* sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Pass
LLL_PRIVATE argument to lll_futex_wake. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h (O_CLOEXEC): Define. * sysdeps/unix/sysv/linux/mips/bits/socket.h (PF_UNIX): Update comment. (PF_IUCV, PF_RXRPC): Define. (PF_MAX): Update. (AF_IUCV, AF_RXRPC): Define. (MSG_CMSG_CLOEXEC): Define. (_EXTERN_INLINE): Define to __extern_inline. * sysdeps/unix/sysv/linux/mips/bits/stat.h (UTIME_NOW, UTIME_OMIT): Define. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Include <tls.h>. * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h: Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. Renamed all LLL_MUTEX_LOCK_* macros to LLL_LOCK_*. Include <kernel-features.h>. (LLL_LOCK_INITIALIZER): Remove duplicate definition. (LLL_PRIVATE, LLL_SHARED, __lll_private_flag): Define. * sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c (clear_once_control, __pthread_once): Pass LLL_PRIVATE argument to lll_futex_wait. (lll_futex_wait, lll_futex_timed_wait, lll_futex_wake, lll_robust_dead, lll_futex_requeue, lll_futex_wake_unlock): Take private arguments. (__lll_robust_trylock): Convert to macro. (__lll_robust_lock_wait): Add private argument. (__lll_lock_wait_private, __lll_lock_wait): Declare. (__lll_lock): Convert to macro. Take private argument. (__lll_cond_lock): Likewise. (lll_lock, lll_cond_lock): Take private arguments. (__lll_robust_lock): Take private argument. Convert to macro. (lll_robust_lock, __lll_cond_lock, lll_cond_lock, lll_robust_cond_lock): Take private arguments. (__lll_timedlock_wait, __lll_robust_timedlock_wait): Take private arguments. (__lll_timedlock, __lll_robust_timedlock): Take private arguments. (lll_timedlock, lll_robust_timedlock): Take private arguments. (__lll_unlock, __lll_robust_unlock): Convert to macros. Take private arguments. (lll_unlock, lll_robust_unlock): Take private arguments. (__lll_mutex_unlock_force, lll_mutex_unlock_force, lll_lock_t, lll_trylock, lll_lock, lll_unlock, lll_islocked): Remove. (lll_wait_tid): Pass LLL_SHARED to lll_futex_wait. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * sysdeps/unix/sysv/linux/mips/sys/tas.h (_EXTERN_INLINE): Define to __extern_inline.
This commit is contained in:
parent
713ddf8d12
commit
8c2766740d
@ -1,3 +1,57 @@
|
||||
2007-09-12 Joseph Myers <joseph@codesourcery.com>
|
||||
|
||||
* sysdeps/mips/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Pass
|
||||
LLL_PRIVATE argument to lll_futex_wake.
|
||||
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h (O_CLOEXEC): Define.
|
||||
* sysdeps/unix/sysv/linux/mips/bits/socket.h (PF_UNIX): Update
|
||||
comment.
|
||||
(PF_IUCV, PF_RXRPC): Define.
|
||||
(PF_MAX): Update.
|
||||
(AF_IUCV, AF_RXRPC): Define.
|
||||
(MSG_CMSG_CLOEXEC): Define.
|
||||
(_EXTERN_INLINE): Define to __extern_inline.
|
||||
* sysdeps/unix/sysv/linux/mips/bits/stat.h (UTIME_NOW,
|
||||
UTIME_OMIT): Define.
|
||||
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Include <tls.h>.
|
||||
* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Likewise.
|
||||
* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise.
|
||||
* sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h: Renamed all
|
||||
lll_mutex_* resp. lll_robust_mutex_* macros to lll_*
|
||||
resp. lll_robust_*. Renamed all LLL_MUTEX_LOCK_* macros to
|
||||
LLL_LOCK_*. Include <kernel-features.h>.
|
||||
(LLL_LOCK_INITIALIZER): Remove duplicate definition.
|
||||
(LLL_PRIVATE, LLL_SHARED, __lll_private_flag): Define.
|
||||
* sysdeps/unix/sysv/linux/mips/nptl/pthread_once.c
|
||||
(clear_once_control, __pthread_once): Pass LLL_PRIVATE argument to
|
||||
lll_futex_wait.
|
||||
(lll_futex_wait, lll_futex_timed_wait, lll_futex_wake,
|
||||
lll_robust_dead, lll_futex_requeue, lll_futex_wake_unlock): Take
|
||||
private arguments.
|
||||
(__lll_robust_trylock): Convert to macro.
|
||||
(__lll_robust_lock_wait): Add private argument.
|
||||
(__lll_lock_wait_private, __lll_lock_wait): Declare.
|
||||
(__lll_lock): Convert to macro. Take private argument.
|
||||
(__lll_cond_lock): Likewise.
|
||||
(lll_lock, lll_cond_lock): Take private arguments.
|
||||
(__lll_robust_lock): Take private argument. Convert to macro.
|
||||
(lll_robust_lock, __lll_cond_lock, lll_cond_lock,
|
||||
lll_robust_cond_lock): Take private arguments.
|
||||
(__lll_timedlock_wait, __lll_robust_timedlock_wait): Take private
|
||||
arguments.
|
||||
(__lll_timedlock, __lll_robust_timedlock): Take private arguments.
|
||||
(lll_timedlock, lll_robust_timedlock): Take private arguments.
|
||||
(__lll_unlock, __lll_robust_unlock): Convert to macros. Take
|
||||
private arguments.
|
||||
(lll_unlock, lll_robust_unlock): Take private arguments.
|
||||
(__lll_mutex_unlock_force, lll_mutex_unlock_force, lll_lock_t,
|
||||
lll_trylock, lll_lock, lll_unlock, lll_islocked): Remove.
|
||||
(lll_wait_tid): Pass LLL_SHARED to lll_futex_wait.
|
||||
(__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake,
|
||||
__lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait,
|
||||
lll_cond_wake, lll_cond_broadcast): Remove.
|
||||
* sysdeps/unix/sysv/linux/mips/sys/tas.h (_EXTERN_INLINE): Define
|
||||
to __extern_inline.
|
||||
|
||||
2007-08-06 Maciej W. Rozycki <macro@linux-mips.org>
|
||||
|
||||
* sysdeps/unix/sysv/linux/mips/dl-cache.h (_DL_CACHE_DEFAULT_ID):
|
||||
|
@ -166,7 +166,7 @@ typedef struct
|
||||
= 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); \
|
||||
lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \
|
||||
} \
|
||||
while (0)
|
||||
#define THREAD_GSCOPE_SET_FLAG() \
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* O_*, F_*, FD_* bit values for Linux.
|
||||
Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2006
|
||||
Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2006, 2007
|
||||
Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
@ -51,6 +51,7 @@
|
||||
# define O_DIRECT 0x8000 /* Direct disk access hint. */
|
||||
# define O_DIRECTORY 0x10000 /* Must be a directory. */
|
||||
# define O_NOATIME 0x40000 /* Do not set atime. */
|
||||
# define O_CLOEXEC 02000000 /* Set close_on_exec. */
|
||||
#endif
|
||||
|
||||
/* For now Linux has no synchronisity options for data and read operations.
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* System-specific socket constants and types. Linux/MIPS version.
|
||||
Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006
|
||||
Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006, 2007
|
||||
Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
@ -63,7 +63,7 @@ enum __socket_type
|
||||
/* Protocol families. */
|
||||
#define PF_UNSPEC 0 /* Unspecified. */
|
||||
#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
|
||||
#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */
|
||||
#define PF_UNIX PF_LOCAL /* POSIX name for PF_LOCAL. */
|
||||
#define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */
|
||||
#define PF_INET 2 /* IP protocol family. */
|
||||
#define PF_AX25 3 /* Amateur Radio AX.25. */
|
||||
@ -90,7 +90,9 @@ enum __socket_type
|
||||
#define PF_PPPOX 24 /* PPPoX sockets. */
|
||||
#define PF_WANPIPE 25 /* Wanpipe API sockets. */
|
||||
#define PF_BLUETOOTH 31 /* Bluetooth sockets. */
|
||||
#define PF_MAX 32 /* For now.. */
|
||||
#define PF_IUCV 32 /* IUCV sockets. */
|
||||
#define PF_RXRPC 33 /* RxRPC sockets. */
|
||||
#define PF_MAX 34 /* For now.. */
|
||||
|
||||
/* Address families. */
|
||||
#define AF_UNSPEC PF_UNSPEC
|
||||
@ -122,6 +124,8 @@ enum __socket_type
|
||||
#define AF_PPPOX PF_PPPOX
|
||||
#define AF_WANPIPE PF_WANPIPE
|
||||
#define AF_BLUETOOTH PF_BLUETOOTH
|
||||
#define AF_IUCV PF_IUCV
|
||||
#define AF_RXRPC PF_RXRPC
|
||||
#define AF_MAX PF_MAX
|
||||
|
||||
/* Socket level values. Others are defined in the appropriate headers.
|
||||
@ -206,8 +210,13 @@ enum
|
||||
#define MSG_ERRQUEUE MSG_ERRQUEUE
|
||||
MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */
|
||||
#define MSG_NOSIGNAL MSG_NOSIGNAL
|
||||
MSG_MORE = 0x8000 /* Sender will send more. */
|
||||
MSG_MORE = 0x8000, /* Sender will send more. */
|
||||
#define MSG_MORE MSG_MORE
|
||||
|
||||
MSG_CMSG_CLOEXEC = 0x40000000 /* Set close_on_exit for file
|
||||
descriptor received through
|
||||
SCM_RIGHTS. */
|
||||
#define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC
|
||||
};
|
||||
|
||||
|
||||
@ -259,7 +268,7 @@ extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
|
||||
struct cmsghdr *__cmsg) __THROW;
|
||||
#ifdef __USE_EXTERN_INLINES
|
||||
# ifndef _EXTERN_INLINE
|
||||
# define _EXTERN_INLINE extern __inline
|
||||
# define _EXTERN_INLINE __extern_inline
|
||||
# endif
|
||||
_EXTERN_INLINE struct cmsghdr *
|
||||
__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
|
||||
|
@ -1,5 +1,5 @@
|
||||
/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
|
||||
Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
|
||||
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
|
||||
@ -253,3 +253,9 @@ struct stat64
|
||||
#define __S_IREAD 0400 /* Read by owner. */
|
||||
#define __S_IWRITE 0200 /* Write by owner. */
|
||||
#define __S_IEXEC 0100 /* Execute by owner. */
|
||||
|
||||
#if defined __USE_ATFILE || defined __USE_GNU
|
||||
/* XXX This will change to the macro for the next 2008 POSIX revision. */
|
||||
# define UTIME_NOW ((1l << 30) - 1l)
|
||||
# define UTIME_OMIT ((1l << 30) - 2l)
|
||||
#endif
|
||||
|
@ -22,6 +22,8 @@
|
||||
/* There is some commonality. */
|
||||
#include <sysdeps/unix/mips/mips32/sysdep.h>
|
||||
|
||||
#include <tls.h>
|
||||
|
||||
/* For Linux we can use the system call table in the header file
|
||||
/usr/include/asm/unistd.h
|
||||
of the kernel. But these symbols do not follow the SYS_* syntax
|
||||
|
@ -23,6 +23,8 @@
|
||||
/* There is some commonality. */
|
||||
#include <sysdeps/unix/mips/mips64/n32/sysdep.h>
|
||||
|
||||
#include <tls.h>
|
||||
|
||||
/* For Linux we can use the system call table in the header file
|
||||
/usr/include/asm/unistd.h
|
||||
of the kernel. But these symbols do not follow the SYS_* syntax
|
||||
|
@ -23,6 +23,8 @@
|
||||
/* There is some commonality. */
|
||||
#include <sysdeps/unix/mips/mips64/n64/sysdep.h>
|
||||
|
||||
#include <tls.h>
|
||||
|
||||
/* For Linux we can use the system call table in the header file
|
||||
/usr/include/asm/unistd.h
|
||||
of the kernel. But these symbols do not follow the SYS_* syntax
|
||||
|
@ -24,7 +24,7 @@
|
||||
#include <bits/pthreadtypes.h>
|
||||
#include <atomic.h>
|
||||
#include <sysdep.h>
|
||||
|
||||
#include <kernel-features.h>
|
||||
|
||||
#define FUTEX_WAIT 0
|
||||
#define FUTEX_WAKE 1
|
||||
@ -37,200 +37,224 @@
|
||||
#define FUTEX_TRYLOCK_PI 8
|
||||
#define FUTEX_PRIVATE_FLAG 128
|
||||
|
||||
/* Initializer for compatibility lock. */
|
||||
#define LLL_MUTEX_LOCK_INITIALIZER (0)
|
||||
/* Values for 'private' parameter of locking macros. Yes, the
|
||||
definition seems to be backwards. But it is not. The bit will be
|
||||
reversed before passing to the system call. */
|
||||
#define LLL_PRIVATE 0
|
||||
#define LLL_SHARED FUTEX_PRIVATE_FLAG
|
||||
|
||||
#define lll_futex_wait(futexp, val) \
|
||||
|
||||
#if !defined NOT_IN_libc || defined IS_IN_rtld
|
||||
/* In libc.so or ld.so all futexes are private. */
|
||||
# ifdef __ASSUME_PRIVATE_FUTEX
|
||||
# define __lll_private_flag(fl, private) \
|
||||
((fl) | FUTEX_PRIVATE_FLAG)
|
||||
# else
|
||||
# define __lll_private_flag(fl, private) \
|
||||
((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex))
|
||||
# endif
|
||||
#else
|
||||
# ifdef __ASSUME_PRIVATE_FUTEX
|
||||
# define __lll_private_flag(fl, private) \
|
||||
(((fl) | FUTEX_PRIVATE_FLAG) ^ (private))
|
||||
# else
|
||||
# define __lll_private_flag(fl, private) \
|
||||
(__builtin_constant_p (private) \
|
||||
? ((private) == 0 \
|
||||
? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \
|
||||
: (fl)) \
|
||||
: ((fl) | (((private) ^ FUTEX_PRIVATE_FLAG) \
|
||||
& THREAD_GETMEM (THREAD_SELF, header.private_futex))))
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
#define lll_futex_wait(futexp, val, private) \
|
||||
lll_futex_timed_wait(futexp, val, NULL, private)
|
||||
|
||||
#define lll_futex_timed_wait(futexp, val, timespec, private) \
|
||||
({ \
|
||||
INTERNAL_SYSCALL_DECL (__err); \
|
||||
long int __ret; \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
|
||||
(long) (futexp), FUTEX_WAIT, (val), 0); \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \
|
||||
__lll_private_flag (FUTEX_WAIT, private), \
|
||||
(val), (timespec)); \
|
||||
INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
|
||||
})
|
||||
|
||||
#define lll_futex_timed_wait(futexp, val, timespec) \
|
||||
#define lll_futex_wake(futexp, nr, private) \
|
||||
({ \
|
||||
INTERNAL_SYSCALL_DECL (__err); \
|
||||
long int __ret; \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
|
||||
(long) (futexp), FUTEX_WAIT, (val), (timespec));\
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \
|
||||
__lll_private_flag (FUTEX_WAKE, private), \
|
||||
(nr), 0); \
|
||||
INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
|
||||
})
|
||||
|
||||
#define lll_futex_wake(futexp, nr) \
|
||||
({ \
|
||||
INTERNAL_SYSCALL_DECL (__err); \
|
||||
long int __ret; \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
|
||||
(long) (futexp), FUTEX_WAKE, (nr), 0); \
|
||||
INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
|
||||
})
|
||||
|
||||
#define lll_robust_mutex_dead(futexv) \
|
||||
#define lll_robust_dead(futexv, private) \
|
||||
do \
|
||||
{ \
|
||||
int *__futexp = &(futexv); \
|
||||
atomic_or (__futexp, FUTEX_OWNER_DIED); \
|
||||
lll_futex_wake (__futexp, 1); \
|
||||
lll_futex_wake (__futexp, 1, private); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
/* Returns non-zero if error happened, zero if success. */
|
||||
#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \
|
||||
#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \
|
||||
({ \
|
||||
INTERNAL_SYSCALL_DECL (__err); \
|
||||
long int __ret; \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 6, \
|
||||
(long) (futexp), FUTEX_CMP_REQUEUE, (nr_wake), \
|
||||
(nr_move), (mutex), (val)); \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 6, (long) (futexp), \
|
||||
__lll_private_flag (FUTEX_CMP_REQUEUE, private),\
|
||||
(nr_wake), (nr_move), (mutex), (val)); \
|
||||
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
|
||||
})
|
||||
|
||||
/* Returns non-zero if error happened, zero if success. */
|
||||
#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
|
||||
#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2, private) \
|
||||
({ \
|
||||
INTERNAL_SYSCALL_DECL (__err); \
|
||||
long int __ret; \
|
||||
\
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 6, \
|
||||
(futexp), FUTEX_WAKE_OP, (nr_wake), \
|
||||
(nr_wake2), (futexp2), \
|
||||
__ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \
|
||||
__lll_private_flag (FUTEX_WAKE_OP, private), \
|
||||
(nr_wake), (nr_wake2), (futexp2), \
|
||||
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
|
||||
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
|
||||
})
|
||||
|
||||
static inline int __attribute__((always_inline))
|
||||
__lll_mutex_trylock(int *futex)
|
||||
__lll_trylock(int *futex)
|
||||
{
|
||||
return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0;
|
||||
}
|
||||
#define lll_mutex_trylock(lock) __lll_mutex_trylock (&(lock))
|
||||
#define lll_trylock(lock) __lll_trylock (&(lock))
|
||||
|
||||
|
||||
static inline int __attribute__((always_inline))
|
||||
__lll_mutex_cond_trylock(int *futex)
|
||||
__lll_cond_trylock(int *futex)
|
||||
{
|
||||
return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0;
|
||||
}
|
||||
#define lll_mutex_cond_trylock(lock) __lll_mutex_cond_trylock (&(lock))
|
||||
#define lll_cond_trylock(lock) __lll_cond_trylock (&(lock))
|
||||
|
||||
|
||||
static inline int __attribute__((always_inline))
|
||||
__lll_robust_mutex_trylock(int *futex, int id)
|
||||
__lll_robust_trylock(int *futex, int id)
|
||||
{
|
||||
return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0;
|
||||
}
|
||||
#define lll_robust_mutex_trylock(lock, id) \
|
||||
__lll_robust_mutex_trylock (&(lock), id)
|
||||
#define lll_robust_trylock(lock, id) \
|
||||
__lll_robust_trylock (&(lock), id)
|
||||
|
||||
extern void __lll_lock_wait (int *futex) attribute_hidden;
|
||||
extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
|
||||
extern void __lll_lock_wait_private (int *futex) attribute_hidden;
|
||||
extern void __lll_lock_wait (int *futex, int private) attribute_hidden;
|
||||
extern int __lll_robust_lock_wait (int *futex, int private) attribute_hidden;
|
||||
|
||||
static inline void __attribute__((always_inline))
|
||||
__lll_mutex_lock(int *futex)
|
||||
{
|
||||
if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0)
|
||||
__lll_lock_wait (futex);
|
||||
}
|
||||
#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
|
||||
#define __lll_lock(futex, private) \
|
||||
((void) ({ \
|
||||
int *__futex = (futex); \
|
||||
if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, \
|
||||
1, 0), 0)) \
|
||||
{ \
|
||||
if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
|
||||
__lll_lock_wait_private (__futex); \
|
||||
else \
|
||||
__lll_lock_wait (__futex, private); \
|
||||
} \
|
||||
}))
|
||||
#define lll_lock(futex, private) __lll_lock (&(futex), private)
|
||||
|
||||
|
||||
static inline int __attribute__ ((always_inline))
|
||||
__lll_robust_mutex_lock (int *futex, int id)
|
||||
{
|
||||
int result = 0;
|
||||
if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
|
||||
result = __lll_robust_lock_wait (futex);
|
||||
return result;
|
||||
}
|
||||
#define lll_robust_mutex_lock(futex, id) \
|
||||
__lll_robust_mutex_lock (&(futex), id)
|
||||
#define __lll_robust_lock(futex, id, private) \
|
||||
({ \
|
||||
int *__futex = (futex); \
|
||||
int __val = 0; \
|
||||
\
|
||||
if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \
|
||||
0), 0)) \
|
||||
__val = __lll_robust_lock_wait (__futex, private); \
|
||||
__val; \
|
||||
})
|
||||
#define lll_robust_lock(futex, id, private) \
|
||||
__lll_robust_lock (&(futex), id, private)
|
||||
|
||||
|
||||
static inline void __attribute__ ((always_inline))
|
||||
__lll_mutex_cond_lock (int *futex)
|
||||
__lll_cond_lock (int *futex, int private)
|
||||
{
|
||||
if (atomic_compare_and_exchange_bool_acq (futex, 2, 0) != 0)
|
||||
__lll_lock_wait (futex);
|
||||
__lll_lock_wait (futex, private);
|
||||
}
|
||||
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
|
||||
#define lll_cond_lock(futex, private) __lll_cond_lock (&(futex), private)
|
||||
|
||||
|
||||
#define lll_robust_mutex_cond_lock(futex, id) \
|
||||
__lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS)
|
||||
#define lll_robust_cond_lock(futex, id, private) \
|
||||
__lll_robust_lock (&(futex), (id) | FUTEX_WAITERS, private)
|
||||
|
||||
|
||||
extern int __lll_timedlock_wait (int *futex, const struct timespec *)
|
||||
attribute_hidden;
|
||||
extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *)
|
||||
attribute_hidden;
|
||||
extern int __lll_timedlock_wait (int *futex, const struct timespec *,
|
||||
int private) attribute_hidden;
|
||||
extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *,
|
||||
int private) attribute_hidden;
|
||||
|
||||
static inline int __attribute__ ((always_inline))
|
||||
__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
|
||||
__lll_timedlock (int *futex, const struct timespec *abstime, int private)
|
||||
{
|
||||
int result = 0;
|
||||
if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0)
|
||||
result = __lll_timedlock_wait (futex, abstime);
|
||||
result = __lll_timedlock_wait (futex, abstime, private);
|
||||
return result;
|
||||
}
|
||||
#define lll_mutex_timedlock(futex, abstime) \
|
||||
__lll_mutex_timedlock (&(futex), abstime)
|
||||
#define lll_timedlock(futex, abstime, private) \
|
||||
__lll_timedlock (&(futex), abstime, private)
|
||||
|
||||
|
||||
static inline int __attribute__ ((always_inline))
|
||||
__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime,
|
||||
int id)
|
||||
__lll_robust_timedlock (int *futex, const struct timespec *abstime,
|
||||
int id, int private)
|
||||
{
|
||||
int result = 0;
|
||||
if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
|
||||
result = __lll_robust_timedlock_wait (futex, abstime);
|
||||
result = __lll_robust_timedlock_wait (futex, abstime, private);
|
||||
return result;
|
||||
}
|
||||
#define lll_robust_mutex_timedlock(futex, abstime, id) \
|
||||
__lll_robust_mutex_timedlock (&(futex), abstime, id)
|
||||
#define lll_robust_timedlock(futex, abstime, id, private) \
|
||||
__lll_robust_timedlock (&(futex), abstime, id, private)
|
||||
|
||||
|
||||
static inline void __attribute__ ((always_inline))
|
||||
__lll_mutex_unlock (int *futex)
|
||||
{
|
||||
int val = atomic_exchange_rel (futex, 0);
|
||||
if (__builtin_expect (val > 1, 0))
|
||||
lll_futex_wake (futex, 1);
|
||||
}
|
||||
#define lll_mutex_unlock(futex) __lll_mutex_unlock(&(futex))
|
||||
#define __lll_unlock(futex, private) \
|
||||
((void) ({ \
|
||||
int *__futex = (futex); \
|
||||
int __val = atomic_exchange_rel (__futex, 0); \
|
||||
\
|
||||
if (__builtin_expect (__val > 1, 0)) \
|
||||
lll_futex_wake (__futex, 1, private); \
|
||||
}))
|
||||
#define lll_unlock(futex, private) __lll_unlock(&(futex), private)
|
||||
|
||||
|
||||
static inline void __attribute__ ((always_inline))
|
||||
__lll_robust_mutex_unlock (int *futex, int mask)
|
||||
{
|
||||
int val = atomic_exchange_rel (futex, 0);
|
||||
if (__builtin_expect (val & mask, 0))
|
||||
lll_futex_wake (futex, 1);
|
||||
}
|
||||
#define lll_robust_mutex_unlock(futex) \
|
||||
__lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS)
|
||||
#define __lll_robust_unlock(futex, private) \
|
||||
((void) ({ \
|
||||
int *__futex = (futex); \
|
||||
int __val = atomic_exchange_rel (__futex, 0); \
|
||||
\
|
||||
if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
|
||||
lll_futex_wake (__futex, 1, private); \
|
||||
}))
|
||||
#define lll_robust_unlock(futex, private) \
|
||||
__lll_robust_unlock(&(futex), private)
|
||||
|
||||
|
||||
static inline void __attribute__ ((always_inline))
|
||||
__lll_mutex_unlock_force (int *futex)
|
||||
{
|
||||
(void) atomic_exchange_rel (futex, 0);
|
||||
lll_futex_wake (futex, 1);
|
||||
}
|
||||
#define lll_mutex_unlock_force(futex) __lll_mutex_unlock_force(&(futex))
|
||||
|
||||
|
||||
#define lll_mutex_islocked(futex) \
|
||||
#define lll_islocked(futex) \
|
||||
(futex != 0)
|
||||
|
||||
|
||||
/* Our internal lock implementation is identical to the binary-compatible
|
||||
mutex implementation. */
|
||||
|
||||
/* Type for lock object. */
|
||||
typedef int lll_lock_t;
|
||||
|
||||
/* Initializers for lock. */
|
||||
#define LLL_LOCK_INITIALIZER (0)
|
||||
#define LLL_LOCK_INITIALIZER_LOCKED (1)
|
||||
@ -240,20 +264,15 @@ typedef int lll_lock_t;
|
||||
1 - taken by one user
|
||||
>1 - taken by more users */
|
||||
|
||||
#define lll_trylock(lock) lll_mutex_trylock (lock)
|
||||
#define lll_lock(lock) lll_mutex_lock (lock)
|
||||
#define lll_unlock(lock) lll_mutex_unlock (lock)
|
||||
#define lll_islocked(lock) lll_mutex_islocked (lock)
|
||||
|
||||
/* The kernel notifies a process which uses CLONE_CLEARTID via futex
|
||||
wakeup when the clone terminates. The memory location contains the
|
||||
thread ID while the clone is running and is reset to zero
|
||||
afterwards. */
|
||||
#define lll_wait_tid(tid) \
|
||||
do { \
|
||||
__typeof (tid) __tid; \
|
||||
while ((__tid = (tid)) != 0) \
|
||||
lll_futex_wait (&(tid), __tid); \
|
||||
do { \
|
||||
__typeof (tid) __tid; \
|
||||
while ((__tid = (tid)) != 0) \
|
||||
lll_futex_wait (&(tid), __tid, LLL_SHARED); \
|
||||
} while (0)
|
||||
|
||||
extern int __lll_timedwait_tid (int *, const struct timespec *)
|
||||
@ -267,26 +286,4 @@ extern int __lll_timedwait_tid (int *, const struct timespec *)
|
||||
__res; \
|
||||
})
|
||||
|
||||
|
||||
/* Conditional variable handling. */
|
||||
|
||||
extern void __lll_cond_wait (pthread_cond_t *cond)
|
||||
attribute_hidden;
|
||||
extern int __lll_cond_timedwait (pthread_cond_t *cond,
|
||||
const struct timespec *abstime)
|
||||
attribute_hidden;
|
||||
extern void __lll_cond_wake (pthread_cond_t *cond)
|
||||
attribute_hidden;
|
||||
extern void __lll_cond_broadcast (pthread_cond_t *cond)
|
||||
attribute_hidden;
|
||||
|
||||
#define lll_cond_wait(cond) \
|
||||
__lll_cond_wait (cond)
|
||||
#define lll_cond_timedwait(cond, abstime) \
|
||||
__lll_cond_timedwait (cond, abstime)
|
||||
#define lll_cond_wake(cond) \
|
||||
__lll_cond_wake (cond)
|
||||
#define lll_cond_broadcast(cond) \
|
||||
__lll_cond_broadcast (cond)
|
||||
|
||||
#endif /* lowlevellock.h */
|
||||
|
@ -30,7 +30,7 @@ clear_once_control (void *arg)
|
||||
pthread_once_t *once_control = (pthread_once_t *) arg;
|
||||
|
||||
*once_control = 0;
|
||||
lll_futex_wake (once_control, INT_MAX);
|
||||
lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE);
|
||||
}
|
||||
|
||||
|
||||
@ -65,7 +65,7 @@ __pthread_once (once_control, init_routine)
|
||||
if (((oldval ^ newval) & -4) == 0)
|
||||
{
|
||||
/* Same generation, some other thread was faster. Wait. */
|
||||
lll_futex_wait (once_control, newval);
|
||||
lll_futex_wait (once_control, newval, LLL_PRIVATE);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
@ -84,7 +84,7 @@ __pthread_once (once_control, init_routine)
|
||||
atomic_increment (once_control);
|
||||
|
||||
/* Wake up all other threads. */
|
||||
lll_futex_wake (once_control, INT_MAX);
|
||||
lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE);
|
||||
break;
|
||||
}
|
||||
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2000, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
|
||||
|
||||
@ -30,7 +30,7 @@ extern int _test_and_set (int *p, int v) __THROW;
|
||||
#ifdef __USE_EXTERN_INLINES
|
||||
|
||||
# ifndef _EXTERN_INLINE
|
||||
# define _EXTERN_INLINE extern __inline
|
||||
# define _EXTERN_INLINE __extern_inline
|
||||
# endif
|
||||
|
||||
_EXTERN_INLINE int
|
||||
|
Loading…
Reference in New Issue
Block a user