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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/unix/sysv/linux/fallocate64.c
parent6e63d5e1aebc659a95223cf8862a7b42c67dbb1c (diff)
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Really implement fallocate{,64} and sync_file_range as cancellation points.
Diffstat (limited to 'sysdeps/unix/sysv/linux/fallocate64.c')
-rw-r--r--sysdeps/unix/sysv/linux/fallocate64.c28
1 files changed, 21 insertions, 7 deletions
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;