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* sysdeps/unix/sysv/linux/i386/syscalls.list (fallocate): Add fallocate
syscall as __fallocate64. * sysdeps/unix/sysv/linux/i386/posix_fallocate.c: New file. * sysdeps/unix/sysv/linux/i386/posix_fallocate64.c: New file.
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Ulrich Drepper
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Aug 1, 2007
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/* Copyright (C) 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 | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
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#include <fcntl.h> | ||
#include <kernel-features.h> | ||
#include <sysdep.h> | ||
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#define posix_fallocate static internal_fallocate | ||
#include <sysdeps/posix/posix_fallocate.c> | ||
#undef posix_fallocate | ||
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#if !defined __ASSUME_FALLOCATE && defined __NR_fallocate | ||
int __have_fallocate attribute_hidden; | ||
#endif | ||
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extern int __fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) | ||
attribute_hidden; | ||
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/* Reserve storage for the data of the file associated with FD. */ | ||
int | ||
posix_fallocate (int fd, __off_t offset, __off_t len) | ||
{ | ||
#ifdef __NR_fallocate | ||
# ifndef __ASSUME_FALLOCATE | ||
if (__builtin_expect (__have_fallocate >= 0, 1)) | ||
# endif | ||
{ | ||
int res = __fallocate64 (fd, 0, offset, len); | ||
if (! res) | ||
return 0; | ||
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# ifndef __ASSUME_FALLOCATE | ||
if (__builtin_expect (res == ENOSYS, 0)) | ||
__have_fallocate = -1; | ||
else | ||
# endif | ||
if (res != EOPNOTSUPP) | ||
return res; | ||
} | ||
#endif | ||
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return internal_fallocate (fd, offset, len); | ||
} |
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/* Copyright (C) 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 | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
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#include <fcntl.h> | ||
#include <kernel-features.h> | ||
#include <sysdep.h> | ||
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extern int __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len); | ||
#define __posix_fallocate64_l64 static internal_fallocate64 | ||
#include <sysdeps/posix/posix_fallocate64.c> | ||
#undef __posix_fallocate64_l64 | ||
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#if !defined __ASSUME_FALLOCATE && defined __NR_fallocate | ||
/* Defined in posix_fallocate.c. */ | ||
extern int __have_fallocate attribute_hidden; | ||
#endif | ||
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extern int __fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) | ||
attribute_hidden; | ||
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/* Reserve storage for the data of the file associated with FD. */ | ||
int | ||
__posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len) | ||
{ | ||
#ifdef __NR_fallocate | ||
# ifndef __ASSUME_FALLOCATE | ||
if (__builtin_expect (__have_fallocate >= 0, 1)) | ||
# endif | ||
{ | ||
int res = __fallocate64 (fd, 0, offset, len); | ||
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if (! res) | ||
return 0; | ||
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# ifndef __ASSUME_FALLOCATE | ||
if (__builtin_expect (res == ENOSYS, 0)) | ||
__have_fallocate = -1; | ||
else | ||
# endif | ||
if (res != EOPNOTSUPP) | ||
return res; | ||
} | ||
#endif | ||
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return internal_fallocate64 (fd, offset, len); | ||
} |
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