]> git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/generic/memusage.h
91e56d24de1ab6e8fd736302677b3c139d69a8fd
[thirdparty/glibc.git] / sysdeps / generic / memusage.h
1 /* Copyright (C) 2000-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
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.
8
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.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18
19 #include <limits.h>
20 #include <atomic.h>
21 #include <stdint.h>
22
23 #ifndef GETSP
24 # warning "GETSP is not defined for this architecture."
25 # define GETSP 0
26 #endif
27
28 #ifndef GETTIME
29 # define GETTIME(low,high) \
30 { \
31 struct __timespec64 now; \
32 uint64_t usecs; \
33 __clock_gettime64 (CLOCK_REALTIME, &now); \
34 usecs = (uint64_t)now.tv_nsec / 1000 + (uint64_t)now.tv_sec * 1000000; \
35 low = usecs & 0xffffffff; \
36 high = usecs >> 32; \
37 }
38 #endif
39
40 #if LONG_BIT == 32
41 # define memusage_cntr_t uatomic32_t
42 #else
43 # define memusage_cntr_t uatomic64_t
44 #endif
45 #ifndef memusage_size_t
46 # if LONG_BIT == 32
47 # define memusage_size_t uatomic32_t
48 # else
49 # define memusage_size_t uatomic64_t
50 # endif
51 #endif