1 //===-- TimeValue.cpp -------------------------------------------*- 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 #include "lldb/Host/TimeValue.h" 11 12 // C Includes 13 #include <stddef.h> 14 #include <time.h> 15 #include <cstring> 16 // C++ Includes 17 // Other libraries and framework includes 18 // Project includes 19 #include "lldb/Core/Stream.h" 20 21 22 using namespace lldb_private; 23 24 //---------------------------------------------------------------------- 25 // TimeValue constructor 26 //---------------------------------------------------------------------- 27 TimeValue::TimeValue() : 28 m_nano_seconds (0) 29 { 30 } 31 32 //---------------------------------------------------------------------- 33 // TimeValue copy constructor 34 //---------------------------------------------------------------------- 35 TimeValue::TimeValue(const TimeValue& rhs) : 36 m_nano_seconds (rhs.m_nano_seconds) 37 { 38 } 39 40 TimeValue::TimeValue(const struct timespec& ts) : 41 m_nano_seconds ((uint64_t) ts.tv_sec * NanoSecPerSec + ts.tv_nsec) 42 { 43 } 44 45 TimeValue::TimeValue(const struct timeval& tv) : 46 m_nano_seconds ((uint64_t) tv.tv_sec * NanoSecPerSec + (uint64_t) tv.tv_usec * NanoSecPerMicroSec) 47 { 48 } 49 50 //---------------------------------------------------------------------- 51 // Destructor 52 //---------------------------------------------------------------------- 53 TimeValue::~TimeValue() 54 { 55 } 56 57 58 uint64_t 59 TimeValue::GetAsNanoSecondsSinceJan1_1970() const 60 { 61 return m_nano_seconds; 62 } 63 64 uint64_t 65 TimeValue::GetAsMicroSecondsSinceJan1_1970() const 66 { 67 return m_nano_seconds / NanoSecPerMicroSec; 68 } 69 70 uint64_t 71 TimeValue::GetAsSecondsSinceJan1_1970() const 72 { 73 return m_nano_seconds / NanoSecPerSec; 74 } 75 76 77 78 struct timespec 79 TimeValue::GetAsTimeSpec () const 80 { 81 struct timespec ts; 82 ts.tv_sec = m_nano_seconds / NanoSecPerSec; 83 ts.tv_nsec = m_nano_seconds % NanoSecPerSec; 84 return ts; 85 } 86 87 struct timeval 88 TimeValue::GetAsTimeVal () const 89 { 90 struct timeval tv; 91 tv.tv_sec = m_nano_seconds / NanoSecPerSec; 92 tv.tv_usec = (m_nano_seconds % NanoSecPerSec) / NanoSecPerMicroSec; 93 return tv; 94 } 95 96 void 97 TimeValue::Clear () 98 { 99 m_nano_seconds = 0; 100 } 101 102 bool 103 TimeValue::IsValid () const 104 { 105 return m_nano_seconds != 0; 106 } 107 108 void 109 TimeValue::OffsetWithSeconds (uint64_t sec) 110 { 111 m_nano_seconds += sec * NanoSecPerSec; 112 } 113 114 void 115 TimeValue::OffsetWithMicroSeconds (uint64_t usec) 116 { 117 m_nano_seconds += usec * NanoSecPerMicroSec; 118 } 119 120 void 121 TimeValue::OffsetWithNanoSeconds (uint64_t nsec) 122 { 123 m_nano_seconds += nsec; 124 } 125 126 TimeValue 127 TimeValue::Now() 128 { 129 struct timeval tv; 130 gettimeofday(&tv, NULL); 131 TimeValue now(tv); 132 return now; 133 } 134 135 //---------------------------------------------------------------------- 136 // TimeValue assignment operator 137 //---------------------------------------------------------------------- 138 const TimeValue& 139 TimeValue::operator=(const TimeValue& rhs) 140 { 141 m_nano_seconds = rhs.m_nano_seconds; 142 return *this; 143 } 144 145 void 146 TimeValue::Dump (Stream *s, uint32_t width) const 147 { 148 if (s == NULL) 149 return; 150 151 char time_buf[32]; 152 time_t time = GetAsSecondsSinceJan1_1970(); 153 char *time_cstr = ::ctime_r(&time, time_buf); 154 if (time_cstr) 155 { 156 char *newline = ::strpbrk(time_cstr, "\n\r"); 157 if (newline) 158 *newline = '\0'; 159 if (width > 0) 160 s->Printf("%-*s", width, time_cstr); 161 else 162 s->PutCString(time_cstr); 163 } 164 else if (width > 0) 165 s->Printf("%-*s", width, ""); 166 } 167 168 bool 169 lldb_private::operator == (const TimeValue &lhs, const TimeValue &rhs) 170 { 171 return lhs.GetAsNanoSecondsSinceJan1_1970() == rhs.GetAsNanoSecondsSinceJan1_1970(); 172 } 173 174 bool 175 lldb_private::operator != (const TimeValue &lhs, const TimeValue &rhs) 176 { 177 return lhs.GetAsNanoSecondsSinceJan1_1970() != rhs.GetAsNanoSecondsSinceJan1_1970(); 178 } 179 180 bool 181 lldb_private::operator < (const TimeValue &lhs, const TimeValue &rhs) 182 { 183 return lhs.GetAsNanoSecondsSinceJan1_1970() < rhs.GetAsNanoSecondsSinceJan1_1970(); 184 } 185 186 bool 187 lldb_private::operator <= (const TimeValue &lhs, const TimeValue &rhs) 188 { 189 return lhs.GetAsNanoSecondsSinceJan1_1970() <= rhs.GetAsNanoSecondsSinceJan1_1970(); 190 } 191 192 bool 193 lldb_private::operator > (const TimeValue &lhs, const TimeValue &rhs) 194 { 195 return lhs.GetAsNanoSecondsSinceJan1_1970() > rhs.GetAsNanoSecondsSinceJan1_1970(); 196 } 197 198 bool 199 lldb_private::operator >= (const TimeValue &lhs, const TimeValue &rhs) 200 { 201 return lhs.GetAsNanoSecondsSinceJan1_1970() >= rhs.GetAsNanoSecondsSinceJan1_1970(); 202 } 203 204 uint64_t 205 lldb_private::operator - (const TimeValue &lhs, const TimeValue &rhs) 206 { 207 return lhs.GetAsNanoSecondsSinceJan1_1970() - rhs.GetAsNanoSecondsSinceJan1_1970(); 208 } 209 210 211
