diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/posix_fallocate.c | 58 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/posix_fallocate64.c | 61 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/syscalls.list | 1 |
4 files changed, 127 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 7661c1e44d..9e8aed9389 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2007-08-01 Jakub Jelinek <jakub@redhat.com> + + * 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. + 2007-07-30 Jakub Jelinek <jakub@redhat.com> * stdlib/tst-strtod2.c (do_test): Use %tu in fmt string for ptrdiff_t diff --git a/sysdeps/unix/sysv/linux/i386/posix_fallocate.c b/sysdeps/unix/sysv/linux/i386/posix_fallocate.c new file mode 100644 index 0000000000..c974d06afc --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/posix_fallocate.c @@ -0,0 +1,58 @@ +/* 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. */ + +#include <fcntl.h> +#include <kernel-features.h> +#include <sysdep.h> + +#define posix_fallocate static internal_fallocate +#include <sysdeps/posix/posix_fallocate.c> +#undef posix_fallocate + +#if !defined __ASSUME_FALLOCATE && defined __NR_fallocate +int __have_fallocate attribute_hidden; +#endif + +extern int __fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) + attribute_hidden; + +/* 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; + +# ifndef __ASSUME_FALLOCATE + if (__builtin_expect (res == ENOSYS, 0)) + __have_fallocate = -1; + else +# endif + if (res != EOPNOTSUPP) + return res; + } +#endif + + return internal_fallocate (fd, offset, len); +} diff --git a/sysdeps/unix/sysv/linux/i386/posix_fallocate64.c b/sysdeps/unix/sysv/linux/i386/posix_fallocate64.c new file mode 100644 index 0000000000..d5b4d597c1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/posix_fallocate64.c @@ -0,0 +1,61 @@ +/* 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. */ + +#include <fcntl.h> +#include <kernel-features.h> +#include <sysdep.h> + +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 + +#if !defined __ASSUME_FALLOCATE && defined __NR_fallocate +/* Defined in posix_fallocate.c. */ +extern int __have_fallocate attribute_hidden; +#endif + +extern int __fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) + attribute_hidden; + +/* 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); + + if (! res) + return 0; + +# ifndef __ASSUME_FALLOCATE + if (__builtin_expect (res == ENOSYS, 0)) + __have_fallocate = -1; + else +# endif + if (res != EOPNOTSUPP) + return res; + } +#endif + + return internal_fallocate64 (fd, offset, len); +} diff --git a/sysdeps/unix/sysv/linux/i386/syscalls.list b/sysdeps/unix/sysv/linux/i386/syscalls.list index 3ff3a73aab..c532a78869 100644 --- a/sysdeps/unix/sysv/linux/i386/syscalls.list +++ b/sysdeps/unix/sysv/linux/i386/syscalls.list @@ -6,3 +6,4 @@ vm86 - vm86 i:ip __vm86 vm86@@GLIBC_2.3.4 oldgetrlimit EXTRA getrlimit i:ip __old_getrlimit getrlimit@GLIBC_2.0 oldsetrlimit EXTRA setrlimit i:ip __old_setrlimit setrlimit@GLIBC_2.0 waitpid - waitpid Ci:ipi __waitpid waitpid __libc_waitpid +fallocate64 EXTRA fallocate Vi:iiiiii __fallocate64 |