summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog7
-rw-r--r--sysdeps/unix/sysv/linux/i386/posix_fallocate.c58
-rw-r--r--sysdeps/unix/sysv/linux/i386/posix_fallocate64.c61
-rw-r--r--sysdeps/unix/sysv/linux/i386/syscalls.list1
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