diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/llseek.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/llseek.c | 23 |
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) |