1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* Copyright (c) 2003-2004, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file timeval.h
*
* \brief Declarations for timeval-related macros that some platforms
* are missing.
**/
#ifndef TOR_TIMEVAL_H
#define TOR_TIMEVAL_H
#include "orconfig.h"
#include "lib/cc/torint.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef TOR_COVERAGE
/* For coverage builds, we use a slower definition of these macros without
* branches, to make coverage consistent. */
#undef timeradd
#undef timersub
#define timeradd(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \
(tvout)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \
(tvout)->tv_sec += (tvout)->tv_usec / 1000000; \
(tvout)->tv_usec %= 1000000; \
} while (0)
#define timersub(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec - 1; \
(tvout)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec + 1000000; \
(tvout)->tv_sec += (tvout)->tv_usec / 1000000; \
(tvout)->tv_usec %= 1000000; \
} while (0)
#endif /* defined(TOR_COVERAGE) */
#ifndef timeradd
/** Replacement for timeradd on platforms that do not have it: sets tvout to
* the sum of tv1 and tv2. */
#define timeradd(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \
(tvout)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \
if ((tvout)->tv_usec >= 1000000) { \
(tvout)->tv_usec -= 1000000; \
(tvout)->tv_sec++; \
} \
} while (0)
#endif /* !defined(timeradd) */
#ifndef timersub
/** Replacement for timersub on platforms that do not have it: sets tvout to
* tv1 minus tv2. */
#define timersub(tv1,tv2,tvout) \
do { \
(tvout)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec; \
(tvout)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec; \
if ((tvout)->tv_usec < 0) { \
(tvout)->tv_usec += 1000000; \
(tvout)->tv_sec--; \
} \
} while (0)
#endif /* !defined(timersub) */
#ifndef COCCI
#ifndef timercmp
/** Replacement for timercmp on platforms that do not have it: returns true
* iff the relational operator "op" makes the expression tv1 op tv2 true.
*
* Note that while this definition should work for all boolean operators, some
* platforms' native timercmp definitions do not support >=, <=, or ==. So
* don't use those.
*/
#define timercmp(tv1,tv2,op) \
(((tv1)->tv_sec == (tv2)->tv_sec) ? \
((tv1)->tv_usec op (tv2)->tv_usec) : \
((tv1)->tv_sec op (tv2)->tv_sec))
#endif /* !defined(timercmp) */
#endif /* !defined(COCCI) */
#endif /* !defined(TOR_TIMEVAL_H) */
|
