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Diffstat (limited to 'sysdeps/unix/sysv/linux/llseek.c')
-rw-r--r--sysdeps/unix/sysv/linux/llseek.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/llseek.c b/sysdeps/unix/sysv/linux/llseek.c
index fa83f1057c..9ee340d476 100644
--- a/sysdeps/unix/sysv/linux/llseek.c
+++ b/sysdeps/unix/sysv/linux/llseek.c
@@ -1,5 +1,5 @@
/* Long-long seek operation.
- Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1998,1999,2000,2002 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
@@ -20,7 +20,7 @@
#include <errno.h>
#include <sys/types.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
#include <sys/syscall.h>
extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
@@ -32,11 +32,22 @@ extern loff_t __llseek (int fd, loff_t offset, int whence);
loff_t
__llseek (int fd, loff_t offset, int whence)
{
- loff_t result;
+ loff_t retval;
- return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
- (off_t) (offset & 0xffffffff),
- __ptrvalue (&result), whence) ?: result);
+ if (SINGLE_THREAD_P)
+ return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
+ (off_t) (offset & 0xffffffff),
+ __ptrvalue (&retval), whence) ?: retval);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ int result = (loff_t) INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
+ (off_t) (offset & 0xffffffff),
+ __ptrvalue (&retval), whence);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return (loff_t) result ?: retval;
}
weak_alias (__llseek, llseek)
strong_alias (__llseek, __libc_lseek64)