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GNU C Library master sources branch, master, updated. glibc-2.13-59-g748876b
- From: drepper at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 1 Apr 2011 15:15:35 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.13-59-g748876b
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=748876bf1c45cd10f998f8578c434156eae53b7e
commit 748876bf1c45cd10f998f8578c434156eae53b7e
Author: Ulrich Drepper <drepper@gmail.com>
Date: Fri Apr 1 11:15:08 2011 -0400
Really implement fallocate{,64} and sync_file_range as cancellation points.
diff --git a/ChangeLog b/ChangeLog
index 7ab2090..806732d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,20 @@
+2011-04-01 Ulrich Drepper <drepper@gmail.com>
+
+ * io/Makefile: Compile fallocate.c, fallocate64.c, and
+ sync_file_range.c with -fexceptions.
+ * sysdeps/unix/sysv/linux/fallocate.c: Make cancelable.
+ * sysdeps/unix/sysv/linux/fallocate64.c: Likewise.
+ * sysdeps/unix/sysv/linux/i386/fallocate.c: Likewise.
+ * sysdeps/unix/sysv/linux/i386/fallocate64.c: Likewise.
+ * sysdeps/unix/sysv/linux/wordsize-64/fallocate.c: Likewise.
+ * sysdeps/unix/sysv/linux/sync_file_range.c: Likewise.
+ * sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: Mark
+ sync_file_range as cancellation point.
+
2011-04-01 Andreas Schwab <schwab@redhat.com>
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
- bits/timex.h
+ bits/timex.h.
2011-04-01 Ulrich Drepper <drepper@gmail.com>
diff --git a/io/Makefile b/io/Makefile
index caaa51b..0f3b555 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1992-2003,2005,2006,2007,2008 Free Software Foundation, Inc.
+# Copyright (C) 1992-2003,2005-2008,2011 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
@@ -90,6 +90,9 @@ CFLAGS-ftw64.c = $(uses-callbacks) -fexceptions
CFLAGS-lockf.c = -fexceptions
CFLAGS-posix_fallocate.c = -fexceptions
CFLAGS-posix_fallocate64.c = -fexceptions
+CFLAGS-fallocate.c = -fexceptions
+CFLAGS-fallocate64.c = -fexceptions
+CFLAGS-sync_file_range.c = -fexceptions
CFLAGS-test-stat.c = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
CFLAGS-test-lfs.c = -D_LARGEFILE64_SOURCE
diff --git a/sysdeps/unix/sysv/linux/fallocate.c b/sysdeps/unix/sysv/linux/fallocate.c
index dc2b4e9..a7d3ff0 100644
--- a/sysdeps/unix/sysv/linux/fallocate.c
+++ b/sysdeps/unix/sysv/linux/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
/* Reserve storage for the data of the file associated with FD. */
@@ -26,9 +26,21 @@ int
fallocate (int fd, int mode, __off_t offset, __off_t len)
{
#ifdef __NR_fallocate
- return INLINE_SYSCALL (fallocate, 6, fd, mode,
- __LONG_LONG_PAIR (offset >> 31, offset),
- __LONG_LONG_PAIR (len >> 31, len));
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (fallocate, 6, fd, mode,
+ __LONG_LONG_PAIR (offset >> 31, offset),
+ __LONG_LONG_PAIR (len >> 31, len));
+
+ int result;
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ result = INLINE_SYSCALL (fallocate, 6, fd, mode,
+ __LONG_LONG_PAIR (offset >> 31, offset),
+ __LONG_LONG_PAIR (len >> 31, len));
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
#else
__set_errno (ENOSYS);
return -1;
diff --git a/sysdeps/unix/sysv/linux/fallocate64.c b/sysdeps/unix/sysv/linux/fallocate64.c
index 751a7b2..5cfd76d 100644
--- a/sysdeps/unix/sysv/linux/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/fallocate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
/* Reserve storage for the data of the file associated with FD. */
@@ -26,11 +26,25 @@ int
fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
{
#ifdef __NR_fallocate
- return INLINE_SYSCALL (fallocate, 6, fd, mode,
- __LONG_LONG_PAIR ((long int) (offset >> 32),
- (long int) offset),
- __LONG_LONG_PAIR ((long int) (len >> 32),
- (long int) len));
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (fallocate, 6, fd, mode,
+ __LONG_LONG_PAIR ((long int) (offset >> 32),
+ (long int) offset),
+ __LONG_LONG_PAIR ((long int) (len >> 32),
+ (long int) len));
+
+ int result;
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ result = INLINE_SYSCALL (fallocate, 6, fd, mode,
+ __LONG_LONG_PAIR ((long int) (offset >> 32),
+ (long int) offset),
+ __LONG_LONG_PAIR ((long int) (len >> 32),
+ (long int) len));
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
#else
__set_errno (ENOSYS);
return -1;
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c
index 1434a83..33e2075 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
@@ -30,7 +30,17 @@ int
fallocate (int fd, int mode, __off_t offset, __off_t len)
{
#ifdef __NR_fallocate
- int err = __call_fallocate (fd, mode, offset, len);
+ int err;
+ if (SINGLE_THREAD_P)
+ err = __call_fallocate (fd, mode, offset, len);
+ else
+ {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ err = __call_fallocate (fd, mode, offset, len);
+
+ LIBC_CANCEL_RESET (oldtype);
+ }
if (__builtin_expect (err, 0))
{
__set_errno (err);
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
index 063bab0..83372a9 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
@@ -30,7 +30,17 @@ int
fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
{
#ifdef __NR_fallocate
- int err = __call_fallocate (fd, mode, offset, len);
+ int err;
+ if (SINGLE_THREAD_P)
+ err = __call_fallocate (fd, mode, offset, len);
+ else
+ {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ err = __call_fallocate (fd, mode, offset, len);
+
+ LIBC_CANCEL_RESET (oldtype);
+ }
if (__builtin_expect (err, 0))
{
__set_errno (err);
diff --git a/sysdeps/unix/sysv/linux/sync_file_range.c b/sysdeps/unix/sysv/linux/sync_file_range.c
index 41e08e0..1b20d6c 100644
--- a/sysdeps/unix/sysv/linux/sync_file_range.c
+++ b/sysdeps/unix/sysv/linux/sync_file_range.c
@@ -1,5 +1,5 @@
/* Selective file content synch'ing.
- Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2009, 2011 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
@@ -21,7 +21,7 @@
#include <fcntl.h>
#include <sys/types.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
#include <sys/syscall.h>
@@ -29,18 +29,43 @@
int
sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
{
- return INLINE_SYSCALL (sync_file_range, 6, fd,
- __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
- __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
- flags);
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (sync_file_range, 6, fd,
+ __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+ __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
+ flags);
+
+ int result;
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ result = INLINE_SYSCALL (sync_file_range, 6, fd,
+ __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+ __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
+ flags);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
}
#elif defined __NR_sync_file_range2
int
sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
{
- return INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
- __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
- __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
+ __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+ __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+
+ int result;
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ result = INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
+ __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+ __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
}
#else
int
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
index 3e8954f..fc08b7b 100644
--- a/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
/* Reserve storage for the data of the file associated with FD. */
@@ -26,7 +26,17 @@ int
fallocate (int fd, int mode, __off_t offset, __off_t len)
{
#ifdef __NR_fallocate
- return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+
+ int result;
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ result = INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
#else
__set_errno (ENOSYS);
return -1;
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
index fda3db1..74732ab 100644
--- a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
@@ -14,7 +14,7 @@ getrlimit - getrlimit i:ip __getrlimit getrlimit getrlimit64
setrlimit - setrlimit i:ip __setrlimit setrlimit setrlimit64
readahead - readahead i:iii __readahead readahead
sendfile - sendfile i:iipi sendfile sendfile64
-sync_file_range - sync_file_range i:iiii sync_file_range
+sync_file_range - sync_file_range Ci:iiii sync_file_range
creat - creat Ci:si __libc_creat creat creat64
open - open Ci:siv __libc_open __open open __open64 open64
prlimit EXTRA prlimit64 i:iipp prlimit prlimit64
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++++-
io/Makefile | 5 ++-
sysdeps/unix/sysv/linux/fallocate.c | 22 ++++++++--
sysdeps/unix/sysv/linux/fallocate64.c | 28 ++++++++++---
sysdeps/unix/sysv/linux/i386/fallocate.c | 16 ++++++-
sysdeps/unix/sysv/linux/i386/fallocate64.c | 16 ++++++-
sysdeps/unix/sysv/linux/sync_file_range.c | 43 ++++++++++++++++----
sysdeps/unix/sysv/linux/wordsize-64/fallocate.c | 16 ++++++-
sysdeps/unix/sysv/linux/wordsize-64/syscalls.list | 2 +-
9 files changed, 130 insertions(+), 33 deletions(-)
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