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Update. 

2003-03-13  Ulrich Drepper  <drepper@redhat.com>

	* posix/getconf.c: Recognize POSIX2_SYMLINKS.
	* sysdeps/generic/bits/confname.h: Define _PC_2_SYMLINKS.
	* sysdeps/posix/fpathconf.c: Handle _PC_2_SYMLINKS.
	* sysdeps/posix/pathconf.c: Likewise.
	* sysdeps/unix/sysv/linux/fpathconf.c: Likewise.
	* sysdeps/unix/sysv/linux/pathconf.c: Likewise.
	* sysdeps/unix/sysv/linux/pathconf.h: Define statfs_symlinks.

	* sysdeps/unix/sysv/linux/linux_fsinfo.h: Define some more magic
	words.
cvs/fedora-2_3-branch
Ulrich Drepper 23 years ago
parent
59b28a2e4b
commit
564cd8b67e
12 changed files with 108 additions and 12 deletions
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  1. 13
      ChangeLog
  2. 4
      bits/confname.h
  3. 8
      nptl/ChangeLog
  4. 13
      nptl/sysdeps/i386/i686/Makefile
  5. 3
      posix/getconf.c
  6. 4
      sysdeps/generic/bits/confname.h
  7. 7
      sysdeps/posix/fpathconf.c
  8. 7
      sysdeps/posix/pathconf.c
  9. 7
      sysdeps/unix/sysv/linux/fpathconf.c
  10. 6
      sysdeps/unix/sysv/linux/linux_fsinfo.h
  11. 7
      sysdeps/unix/sysv/linux/pathconf.c
  12. 41
      sysdeps/unix/sysv/linux/pathconf.h

13
ChangeLog
View File

@ -1,3 +1,16 @@
2003-03-13 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c: Recognize POSIX2_SYMLINKS.
* sysdeps/generic/bits/confname.h: Define _PC_2_SYMLINKS.
* sysdeps/posix/fpathconf.c: Handle _PC_2_SYMLINKS.
* sysdeps/posix/pathconf.c: Likewise.
* sysdeps/unix/sysv/linux/fpathconf.c: Likewise.
* sysdeps/unix/sysv/linux/pathconf.c: Likewise.
* sysdeps/unix/sysv/linux/pathconf.h: Define statfs_symlinks.
* sysdeps/unix/sysv/linux/linux_fsinfo.h: Define some more magic
words.
2003-03-14 Alexandre Oliva <aoliva@redhat.com>
* include/gmp.h: Include/gmp-mparam.h.

4
bits/confname.h
View File

@ -62,8 +62,10 @@ enum
#define _PC_REC_XFER_ALIGN _PC_REC_XFER_ALIGN
_PC_ALLOC_SIZE_MIN,
#define _PC_ALLOC_SIZE_MIN _PC_ALLOC_SIZE_MIN
_PC_SYMLINK_MAX
_PC_SYMLINK_MAX,
#define _PC_SYMLINK_MAX _PC_SYMLINK_MAX
_PC_2_SYMLINKS
#define _PC_2_SYMLINKS _PC_2_SYMLINKS
};
/* Values for the argument to `sysconf'. */

8
nptl/ChangeLog
View File

@ -1,3 +1,11 @@
2003-03-13 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (allocate_stack): If MULTI_PAGE_ALIASING is defined
and the size of the stack which must be allocated is a multiple,
allocate one more page.
* sysdeps/i386/i686/Makefile: Don't define COLORING_INCREMENT, but
MULTI_PAGE_ALIASING.
2003-03-13 Roland McGrath <roland@redhat.com>
* pthread_create.c (start_thread): Set EXITING_BIT after the

13
nptl/sysdeps/i386/i686/Makefile
View File

@ -18,6 +18,15 @@
# 02111-1307 USA.
ifeq ($(subdir),nptl)
# For P4 processors we color the stack in 128 bit steps.
CFLAGS-pthread_create.c += -DCOLORING_INCREMENT=128
# It turns out that stack coloring is in general not good on P4s. Some
# applications will benefit. We will probably have a configuration option
# at some point. Enabling coloring can be done with
#
# -DCOLORING_INCREMENT=128
#
# What is useful is to avoid the 64k aliasing problem which reliably
# happens if all stacks use sizes which are a multiple of 64k. Tell
# the stack allocator to disturb this by allocation one more page if
# necessary.
CFLAGS-pthread_create.c += -DMULTI_PAGE_ALIASING=65536
endif

3
posix/getconf.c
View File

@ -865,6 +865,9 @@ static const struct conf vars[] =
#ifdef _CS_GNU_LIBPTHREAD_VERSION
{ "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
#endif
#ifdef _PC_2_SYMLINKS
{ "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
#endif
{ NULL, 0, SYSCONF }
};

4
sysdeps/generic/bits/confname.h
View File

@ -62,8 +62,10 @@ enum
#define _PC_REC_XFER_ALIGN _PC_REC_XFER_ALIGN
_PC_ALLOC_SIZE_MIN,
#define _PC_ALLOC_SIZE_MIN _PC_ALLOC_SIZE_MIN
_PC_SYMLINK_MAX
_PC_SYMLINK_MAX,
#define _PC_SYMLINK_MAX _PC_SYMLINK_MAX
_PC_2_SYMLINKS
#define _PC_2_SYMLINKS _PC_2_SYMLINKS
};
/* Values for the argument to `sysconf'. */

7
sysdeps/posix/fpathconf.c
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1991,1995,1996,1998,2000,2001 Free Software Foundation, Inc.
/* Copyright (C) 1991,1995,1996,1998,2000,2001,2003
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
@ -229,6 +230,10 @@ __fpathconf (fd, name)
/* In general there are no limits. If a system has one it should
overwrite this case. */
return -1;
case _PC_2_SYMLINKS:
/* Unix systems generally have symlinks. */
return 1;
}
}

7
sysdeps/posix/pathconf.c
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1991,1995,1996,1998,2000,2001 Free Software Foundation, Inc.
/* Copyright (C) 1991,1995,1996,1998,2000,2001,2003
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
@ -225,6 +226,10 @@ __pathconf (const char *path, int name)
/* In general there are no limits. If a system has one it should
overwrite this case. */
return -1;
case _PC_2_SYMLINKS:
/* Unix systems generally have symlinks. */
return 1;
}
}

7
sysdeps/unix/sysv/linux/fpathconf.c
View File

@ -1,5 +1,5 @@
/* Get file-specific information about descriptor FD. Linux version.
Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
Copyright (C) 1991,1995,1996,1998-2002,2003 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
@ -38,8 +38,13 @@ __fpathconf (fd, name)
{
case _PC_LINK_MAX:
return statfs_link_max (__fstatfs (fd, &fsbuf), &fsbuf);
case _PC_FILESIZEBITS:
return statfs_filesize_max (__fstatfs (fd, &fsbuf), &fsbuf);
case _PC_2_SYMLINKS:
return statfs_symlinks (__fstatfs (fd, &fsbuf), &fsbuf);
default:
return posix_fpathconf (fd, name);
}

6
sysdeps/unix/sysv/linux/linux_fsinfo.h
View File

@ -1,5 +1,5 @@
/* Constants from kernel header for various FSes.
Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 1998,1999,2000,2001,2002,2003 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
@ -40,6 +40,9 @@
/* Constants that identify the `coherent' filesystem. */
#define COH_SUPER_MAGIC 0x012ff7b7
/* Constant that identifies the `ramfs' filesystem. */
#define CRAMFS_MAGIC 0x28cd3d45
/* Constant that identifies the `devfs' filesystem. */
#define DEVFS_SUPER_MAGIC 0x1373
@ -48,6 +51,7 @@
/* Constant that identifies the `efs' filesystem. */
#define EFS_SUPER_MAGIC 0x414A53
#define EFS_MAGIC 0x072959
/* Constant that identifies the `ext2' and `ext3' filesystems. */
#define EXT2_SUPER_MAGIC 0xef53

7
sysdeps/unix/sysv/linux/pathconf.c
View File

@ -1,5 +1,5 @@
/* Get file-specific information about a file. Linux version.
Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
Copyright (C) 1991,1995,1996,1998-2002,2003 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
@ -36,8 +36,13 @@ __pathconf (const char *file, int name)
{
case _PC_LINK_MAX:
return statfs_link_max (__statfs (file, &fsbuf), &fsbuf);
case _PC_FILESIZEBITS:
return statfs_filesize_max (__statfs (file, &fsbuf), &fsbuf);
case _PC_2_SYMLINKS:
return statfs_symlinks (__statfs (file, &fsbuf), &fsbuf);
default:
return posix_pathconf (file, name);
}

41
sysdeps/unix/sysv/linux/pathconf.h
View File

@ -1,5 +1,5 @@
/* Common parts of Linux implementation of pathconf and fpathconf.
Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
Copyright (C) 1991,1995,1996,1998-2002,2003 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
@ -22,8 +22,8 @@
#include <sys/statfs.h>
#include "linux_fsinfo.h"
/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
static inline long int
statfs_link_max (int result, const struct statfs *fsbuf)
{
@ -75,8 +75,8 @@ statfs_link_max (int result, const struct statfs *fsbuf)
}
}
/* Used like: return statfs_filesize_max (__statfs (name, &buf), &buf); */
/* Used like: return statfs_filesize_max (__statfs (name, &buf), &buf); */
static inline long int
statfs_filesize_max (int result, const struct statfs *fsbuf)
{
@ -114,3 +114,38 @@ statfs_filesize_max (int result, const struct statfs *fsbuf)
return 32;
}
}
/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
static inline long int
statfs_symlinks (int result, const struct statfs *fsbuf)
{
if (result < 0)
{
if (errno == ENOSYS)
/* Not possible, return the default value. */
return 1;
/* Some error occured. */
return -1;
}
switch (fsbuf->f_type)
{
case ADFS_SUPER_MAGIC:
case BFS_MAGIC:
case CRAMFS_MAGIC:
case DEVPTS_SUPER_MAGIC:
case EFS_SUPER_MAGIC:
case EFS_MAGIC:
case MSDOS_SUPER_MAGIC:
case NTFS_SUPER_MAGIC:
case QNX4_SUPER_MAGIC:
case ROMFS_SUPER_MAGIC:
/* No symlink support. */
return 0;
default:
return 1;
}
}

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