TimeValue.h revision 621a802cc8a6d9e4f2ed26cc67e25adf0b23c185 
1//===-- TimeValue.h ---------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_TimeValue_h_
11#define liblldb_TimeValue_h_
12
13// C Includes
14#include <stdint.h>
15#include <sys/time.h>
16
17// BEGIN: MinGW work around
18#if !defined(_STRUCT_TIMESPEC) && !defined(HAVE_STRUCT_TIMESPEC)
19#include <pthread.h>
20#endif
21// END: MinGW work around
22
23// C++ Includes
24// Other libraries and framework includes
25// Project includes
26#include "lldb/lldb-private.h"
27
28namespace lldb_private {
29
30class TimeValue
31{
32public:
33    static const uint64_t MicroSecPerSec = 1000000UL;
34    static const uint64_t NanoSecPerSec = 1000000000UL;
35    static const uint64_t NanoSecPerMicroSec = 1000U;
36
37    //------------------------------------------------------------------
38    // Constructors and Destructors
39    //------------------------------------------------------------------
40    TimeValue();
41    TimeValue(const TimeValue& rhs);
42    TimeValue(const struct timespec& ts);
43    TimeValue(const struct timeval& tv);
44    ~TimeValue();
45
46    //------------------------------------------------------------------
47    // Operators
48    //------------------------------------------------------------------
49    const TimeValue&
50    operator=(const TimeValue& rhs);
51
52    void
53    Clear ();
54
55    uint64_t
56    GetAsNanoSecondsSinceJan1_1970() const;
57
58    uint64_t
59    GetAsMicroSecondsSinceJan1_1970() const;
60
61    uint64_t
62    GetAsSecondsSinceJan1_1970() const;
63
64    struct timespec
65    GetAsTimeSpec () const;
66
67    struct timeval
68    GetAsTimeVal () const;
69
70    bool
71    IsValid () const;
72
73    void
74    OffsetWithSeconds (uint64_t sec);
75
76    void
77    OffsetWithMicroSeconds (uint64_t usec);
78
79    void
80    OffsetWithNanoSeconds (uint64_t nsec);
81
82    static TimeValue
83    Now();
84
85    void
86    Dump (Stream *s, uint32_t width = 0) const;
87
88protected:
89    //------------------------------------------------------------------
90    // Classes that inherit from TimeValue can see and modify these
91    //------------------------------------------------------------------
92    uint64_t m_nano_seconds;
93};
94
95bool operator == (const TimeValue &lhs, const TimeValue &rhs);
96bool operator != (const TimeValue &lhs, const TimeValue &rhs);
97bool operator <  (const TimeValue &lhs, const TimeValue &rhs);
98bool operator <= (const TimeValue &lhs, const TimeValue &rhs);
99bool operator >  (const TimeValue &lhs, const TimeValue &rhs);
100bool operator >= (const TimeValue &lhs, const TimeValue &rhs);
101
102uint64_t operator -(const TimeValue &lhs, const TimeValue &rhs);
103
104} // namespace lldb_private
105
106
107#endif  // liblldb_TimeValue_h_
108