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authorUlrich Drepper <drepper@gmail.com>2011-04-01 11:15:08 -0400
committerUlrich Drepper <drepper@gmail.com>2011-04-01 11:15:08 -0400
commit748876bf1c45cd10f998f8578c434156eae53b7e (patch)
tree2fcf11637d6246f8e4783a4ad6a4c9aff9ca972f /sysdeps
parent6e63d5e1aebc659a95223cf8862a7b42c67dbb1c (diff)
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Really implement fallocate{,64} and sync_file_range as cancellation points.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/fallocate.c22
-rw-r--r--sysdeps/unix/sysv/linux/fallocate64.c28
-rw-r--r--sysdeps/unix/sysv/linux/i386/fallocate.c16
-rw-r--r--sysdeps/unix/sysv/linux/i386/fallocate64.c16
-rw-r--r--sysdeps/unix/sysv/linux/sync_file_range.c43
-rw-r--r--sysdeps/unix/sysv/linux/wordsize-64/fallocate.c16
-rw-r--r--sysdeps/unix/sysv/linux/wordsize-64/syscalls.list2
7 files changed, 112 insertions, 31 deletions
diff --git a/sysdeps/unix/sysv/linux/fallocate.c b/sysdeps/unix/sysv/linux/fallocate.c
index dc2b4e92ca..a7d3ff079b 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 751a7b2275..5cfd76d399 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 1434a833f9..33e20753d1 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 063bab06e9..83372a92f1 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 41e08e0281..1b20d6ce0f 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 3e8954f0b7..fc08b7be56 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 fda3db1ded..74732ab98b 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