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sourceware.org Git - glibc.git/blob - sysdeps/unix/sysv/linux/times.c
2759683b0b4a8484f605b3532f0ee49d47dce323
1 /* Copyright (C) 2008 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #include <sys/times.h>
25 __times (struct tms
*buf
)
27 INTERNAL_SYSCALL_DECL (err
);
28 clock_t ret
= INTERNAL_SYSCALL (times
, err
, 1, buf
);
29 if (INTERNAL_SYSCALL_ERROR_P (ret
, err
)
30 && __builtin_expect (INTERNAL_SYSCALL_ERRNO (ret
, err
) == -EFAULT
, 0))
32 /* This might be an error or not. For architectures which have
33 no separate return value and error indicators we cannot
34 distinguish a return value of -1 from an error. Do it the
35 hard way. We crash applications which pass in an invalid BUF
40 asm volatile ("" : "+r" (temp)); \
43 touch (buf
->tms_utime
);
44 touch (buf
->tms_stime
);
45 touch (buf
->tms_cutime
);
46 touch (buf
->tms_cstime
);
48 /* If we come here the memory is valid and the kernel did not
49 return an EFAULT error. Return the value given by the kernel. */
54 weak_alias (__times
, times
)
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