1 /****************************************************************************
2 * *
3 * GNAT COMPILER COMPONENTS *
4 * *
5 * C A L *
6 * *
7 * C Implementation File *
8 * *
9 * Copyright (C) 1992-2019, Free Software Foundation, Inc. *
10 * *
11 * GNAT is free software; you can redistribute it and/or modify it under *
12 * terms of the GNU General Public License as published by the Free Soft- *
13 * ware Foundation; either version 3, or (at your option) any later ver- *
14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
16 * or FITNESS FOR A PARTICULAR PURPOSE. *
17 * *
18 * As a special exception under Section 7 of GPL version 3, you are granted *
19 * additional permissions described in the GCC Runtime Library Exception, *
20 * version 3.1, as published by the Free Software Foundation. *
21 * *
22 * You should have received a copy of the GNU General Public License and *
23 * a copy of the GCC Runtime Library Exception along with this program; *
24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
25 * <http://www.gnu.org/licenses/>. *
26 * *
27 * GNAT was originally developed by the GNAT team at New York University. *
28 * Extensive contributions were provided by Ada Core Technologies Inc. *
29 * *
30 ****************************************************************************/
31
32 /* This file contains routines marked with pragmas Import in package */
33 /* GNAT.Calendar. It is used to do Duration to timeval conversion. */
34 /* These are simple wrapper functions to abstract the fact that the C */
35 /* struct timeval fields are not normalized (they are generally */
36 /* defined as int or long values). */
37
38 #if defined (__vxworks)
39 #ifdef __RTP__
40 #include <time.h>
41 #include <version.h>
42 #if (_WRS_VXWORKS_MAJOR == 7) || (_WRS_VXWORKS_MINOR != 0)
43 #include <sys/time.h>
44 #endif
45 #else
46 #include <sys/times.h>
47 #endif
48 #elif defined (__nucleus__)
49 #include <time.h>
50 #else
51 #include <sys/time.h>
52 #endif
53
54 #ifdef __MINGW32__
55 #include "mingw32.h"
56 #if STD_MINGW
57 #include <winsock.h>
58 #endif
59 #endif
60
61 void
__gnat_timeval_to_duration(struct timeval * t,long long * sec,long * usec)62 __gnat_timeval_to_duration (struct timeval *t, long long *sec, long *usec)
63 {
64 *sec = (long long) t->tv_sec;
65 *usec = (long) t->tv_usec;
66 }
67
68 void
__gnat_duration_to_timeval(long long sec,long usec,struct timeval * t)69 __gnat_duration_to_timeval (long long sec, long usec, struct timeval *t)
70 {
71 /* here we are doing implicit conversion to the struct timeval
72 fields types. */
73
74 t->tv_sec = sec;
75 t->tv_usec = usec;
76 }
77