]>
Commit | Line | Data |
---|---|---|
a1ba31ce | 1 | /* Implementation of the dtime intrinsic. |
83ffe9cd | 2 | Copyright (C) 2004-2023 Free Software Foundation, Inc. |
a1ba31ce | 3 | |
b6e7a3d1 | 4 | This file is part of the GNU Fortran runtime library (libgfortran). |
a1ba31ce DF |
5 | |
6 | Libgfortran is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU General Public | |
8 | License as published by the Free Software Foundation; either | |
748086b7 | 9 | version 3 of the License, or (at your option) any later version. |
a1ba31ce DF |
10 | |
11 | Libgfortran is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
a1ba31ce DF |
24 | |
25 | #include "libgfortran.h" | |
26 | #include "time_1.h" | |
27 | #include <gthr.h> | |
28 | ||
29 | #ifdef __GTHREAD_MUTEX_INIT | |
30 | static __gthread_mutex_t dtime_update_lock = __GTHREAD_MUTEX_INIT; | |
31 | #else | |
32 | static __gthread_mutex_t dtime_update_lock; | |
33 | #endif | |
34 | ||
35 | extern void dtime_sub (gfc_array_r4 *t, GFC_REAL_4 *result); | |
36 | iexport_proto(dtime_sub); | |
37 | ||
38 | void | |
39 | dtime_sub (gfc_array_r4 *t, GFC_REAL_4 *result) | |
40 | { | |
a1ba31ce DF |
41 | GFC_REAL_4 *tp; |
42 | long user_sec, user_usec, system_sec, system_usec; | |
4551438c SK |
43 | static long us = 0, uu = 0, ss = 0 , su = 0; |
44 | GFC_REAL_4 tu, ts, tt; | |
a1ba31ce | 45 | |
dfb55fdc | 46 | if (((GFC_DESCRIPTOR_EXTENT(t,0))) < 2) |
a1ba31ce DF |
47 | runtime_error ("Insufficient number of elements in TARRAY."); |
48 | ||
49 | __gthread_mutex_lock (&dtime_update_lock); | |
b6e7a3d1 | 50 | if (gf_cputime (&user_sec, &user_usec, &system_sec, &system_usec) == 0) |
a1ba31ce | 51 | { |
4551438c SK |
52 | tu = (GFC_REAL_4) ((user_sec - us) + 1.e-6 * (user_usec - uu)); |
53 | ts = (GFC_REAL_4) ((system_sec - ss) + 1.e-6 * (system_usec - su)); | |
a1ba31ce | 54 | tt = tu + ts; |
4551438c SK |
55 | us = user_sec; |
56 | uu = user_usec; | |
57 | ss = system_sec; | |
58 | su = system_usec; | |
a1ba31ce DF |
59 | } |
60 | else | |
61 | { | |
4551438c SK |
62 | tu = -1; |
63 | ts = -1; | |
64 | tt = -1; | |
a1ba31ce DF |
65 | } |
66 | ||
21d1335b | 67 | tp = t->base_addr; |
a1ba31ce DF |
68 | |
69 | *tp = tu; | |
dfb55fdc | 70 | tp += GFC_DESCRIPTOR_STRIDE(t,0); |
a1ba31ce DF |
71 | *tp = ts; |
72 | *result = tt; | |
73 | __gthread_mutex_unlock (&dtime_update_lock); | |
74 | } | |
75 | iexport(dtime_sub); | |
76 | ||
77 | extern GFC_REAL_4 dtime (gfc_array_r4 *t); | |
78 | export_proto(dtime); | |
79 | ||
80 | GFC_REAL_4 | |
81 | dtime (gfc_array_r4 *t) | |
82 | { | |
83 | GFC_REAL_4 val; | |
84 | dtime_sub (t, &val); | |
85 | return val; | |
86 | } |