crosstool-ng: patches/glibc/ports-2.10.1/490-alpha_alpha-add-fdatasync-support.patch@366bd2b22675

     1 2009-07-25  Aurelien Jarno  <aurelien@aurel32.net>

     3 	* sysdeps/unix/sysv/linux/kernel-features.h: define

     4 	__ASSUME_FDATASYNC.

     5 	* sysdeps/unix/sysv/linux/fdatasync.c: New file.

     6 	* sysdeps/unix/sysv/linux/Makefile: compile fdatasync.c with

     7 	-fexceptions.

     8 	* sysdeps/unix/sysv/linux/syscalls.list: Remove fdatasync.

    10  sysdeps/unix/sysv/linux/Makefile          |    1

    11  sysdeps/unix/sysv/linux/fdatasync.c       |   69 ++++++++++++++++++++++++++++++

    12  sysdeps/unix/sysv/linux/kernel-features.h |    6 ++

    13  sysdeps/unix/sysv/linux/syscalls.list     |    1

    14  4 files changed, 76 insertions(+), 1 deletion(-)

    16 diff -durN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/Makefile glibc-2.10.1/sysdeps/unix/sysv/linux/Makefile

    17 --- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/Makefile	2009-03-02 17:15:13.000000000 +0100

    18 +++ glibc-2.10.1/sysdeps/unix/sysv/linux/Makefile	2009-11-13 00:51:04.000000000 +0100

    19 @@ -16,6 +16,7 @@

    20  		   setfsuid setfsgid makedev epoll_pwait signalfd \

    21  		   eventfd eventfd_read eventfd_write

    23 +CFLAGS-fdatasync.c = -fexceptions

    24  CFLAGS-gethostid.c = -fexceptions

    26  sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \

    27 diff -durN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/fdatasync.c glibc-2.10.1/sysdeps/unix/sysv/linux/fdatasync.c

    28 --- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/fdatasync.c	1970-01-01 01:00:00.000000000 +0100

    29 +++ glibc-2.10.1/sysdeps/unix/sysv/linux/fdatasync.c	2009-11-13 00:51:04.000000000 +0100

    30 @@ -0,0 +1,69 @@

    31 +/* fdatasync -- synchronize at least the data part of a file with

    32 +   the underlying media. Linux version.

    33 +

    34 +   Copyright (C) 2007 Free Software Foundation, Inc.

    35 +   This file is part of the GNU C Library.

    36 +

    37 +   The GNU C Library is free software; you can redistribute it and/or

    38 +   modify it under the terms of the GNU Lesser General Public

    39 +   License as published by the Free Software Foundation; either

    40 +   version 2.1 of the License, or (at your option) any later version.

    41 +

    42 +   The GNU C Library is distributed in the hope that it will be useful,

    43 +   but WITHOUT ANY WARRANTY; without even the implied warranty of

    44 +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    45 +   Lesser General Public License for more details.

    46 +

    47 +   You should have received a copy of the GNU Lesser General Public

    48 +   License along with the GNU C Library; if not, write to the Free

    49 +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

    50 +   02111-1307 USA.  */

    51 +

    52 +#include <errno.h>

    53 +#include <unistd.h>

    54 +

    55 +#include <sysdep-cancel.h>

    56 +#include <sys/syscall.h>

    57 +#include <bp-checks.h>

    58 +

    59 +#include <kernel-features.h>

    60 +

    61 +#if defined __NR_fdatasync && !defined __ASSUME_FDATASYNC

    62 +static int __have_no_fdatasync;

    63 +#endif

    64 +

    65 +static int

    66 +do_fdatasync (int fd)

    67 +{

    68 +#ifdef __ASSUME_FDATASYNC

    69 +  return INLINE_SYSCALL (fdatasync, 1, fd);

    70 +#elif defined __NR_fdatasync

    71 +  if (!__builtin_expect (__have_no_fdatasync, 0))

    72 +    {

    73 +      int result = INLINE_SYSCALL (fdatasync, 1, fd);

    74 +      if (__builtin_expect (result, 0) != -1 || errno != ENOSYS)

    75 +	return result;

    76 +

    77 +      __have_no_fdatasync = 1;

    78 +    }

    79 +#endif

    80 +  return INLINE_SYSCALL (fsync, 1, fd);

    81 +}

    82 +

    83 +int

    84 +__fdatasync (int fd)

    85 +{

    86 +  if (SINGLE_THREAD_P)

    87 +    return do_fdatasync (fd);

    88 +

    89 +  int oldtype = LIBC_CANCEL_ASYNC ();

    90 +

    91 +  int result = do_fdatasync (fd);

    92 +

    93 +  LIBC_CANCEL_RESET (oldtype);

    94 +

    95 +  return result;

    96 +}

    97 +

    98 +weak_alias (__fdatasync, fdatasync)

    99 +

   100 diff -durN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/kernel-features.h glibc-2.10.1/sysdeps/unix/sysv/linux/kernel-features.h

   101 --- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/kernel-features.h	2009-11-13 00:50:45.000000000 +0100

   102 +++ glibc-2.10.1/sysdeps/unix/sysv/linux/kernel-features.h	2009-11-13 00:51:04.000000000 +0100

   103 @@ -479,6 +479,12 @@

   104  # define __ASSUME_FUTEX_LOCK_PI	1

   105  #endif

   107 +/* Support for fsyncdata syscall was added in 2.6.22 on alpha, but it

   108 +   was already present in 2.0 kernels on other architectures.  */

   109 +#if (!defined __alpha || __LINUX_KERNEL_VERSION >= 0x020616)

   110 +# define __ASSUME_FDATASYNC	1

   111 +#endif

   112 +

   113  /* Support for utimensat syscall was added in 2.6.22, on alpha and s390

   114     only after 2.6.22-rc1.  */

   115  #if __LINUX_KERNEL_VERSION >= 0x020616 \

   116 diff -durN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/syscalls.list glibc-2.10.1/sysdeps/unix/sysv/linux/syscalls.list

   117 --- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/syscalls.list	2008-08-02 01:29:08.000000000 +0200

   118 +++ glibc-2.10.1/sysdeps/unix/sysv/linux/syscalls.list	2009-11-13 00:51:04.000000000 +0100

   119 @@ -11,7 +11,6 @@

   120  epoll_create1	EXTRA	epoll_create1	i:i	epoll_create1

   121  epoll_ctl	EXTRA	epoll_ctl	i:iiip	epoll_ctl

   122  epoll_wait	EXTRA	epoll_wait	Ci:ipii	epoll_wait

   123 -fdatasync	-	fdatasync	Ci:i	fdatasync

   124  flock		-	flock		i:ii	__flock		flock

   125  fork		-	fork		i:	__libc_fork	__fork fork

   126  get_kernel_syms	EXTRA	get_kernel_syms	i:p	get_kernel_syms

author	Arnaud Lacombe <lacombar@gmail.com>
	Thu Aug 05 17:59:51 2010 +0200 (2010-08-05)
changeset 2069	366bd2b22675
permissions	-rw-r--r--