Index: base/time/time_conversion_posix.cc |
diff --git a/base/time/time_conversion_posix.cc b/base/time/time_conversion_posix.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ba0a2b29664df07cf35ec8781b897f053ddbe376 |
--- /dev/null |
+++ b/base/time/time_conversion_posix.cc |
@@ -0,0 +1,67 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
Lei Zhang
2017/05/17 08:34:17
No (c) and 2017 since this is a new file?
miu
2017/05/18 02:52:38
Even with git similarity at 1%, I was unable to ma
Lei Zhang
2017/05/18 19:06:12
It's not a big deal either way. I usually just loo
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/time/time.h" |
+ |
+#include <stdint.h> |
+#include <sys/time.h> |
+#include <time.h> |
+ |
+#include <limits> |
+ |
+#include "base/logging.h" |
+ |
+namespace base { |
+ |
+// static |
+TimeDelta TimeDelta::FromTimeSpec(const timespec& ts) { |
+ return TimeDelta(ts.tv_sec * Time::kMicrosecondsPerSecond + |
+ ts.tv_nsec / Time::kNanosecondsPerMicrosecond); |
+} |
+ |
+struct timespec TimeDelta::ToTimeSpec() const { |
+ int64_t microseconds = InMicroseconds(); |
+ time_t seconds = 0; |
+ if (microseconds >= Time::kMicrosecondsPerSecond) { |
+ seconds = InSeconds(); |
+ microseconds -= seconds * Time::kMicrosecondsPerSecond; |
+ } |
+ struct timespec result = { |
+ seconds, |
+ static_cast<long>(microseconds * Time::kNanosecondsPerMicrosecond)}; |
+ return result; |
+} |
+ |
+// static |
+Time Time::FromTimeVal(struct timeval t) { |
+ DCHECK_LT(t.tv_usec, static_cast<int>(Time::kMicrosecondsPerSecond)); |
+ DCHECK_GE(t.tv_usec, 0); |
+ if (t.tv_usec == 0 && t.tv_sec == 0) |
+ return Time(); |
+ if (t.tv_usec == static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1 && |
+ t.tv_sec == std::numeric_limits<time_t>::max()) |
+ return Max(); |
+ return Time((static_cast<int64_t>(t.tv_sec) * Time::kMicrosecondsPerSecond) + |
+ t.tv_usec + kTimeTToMicrosecondsOffset); |
+} |
+ |
+struct timeval Time::ToTimeVal() const { |
+ struct timeval result; |
+ if (is_null()) { |
+ result.tv_sec = 0; |
+ result.tv_usec = 0; |
+ return result; |
+ } |
+ if (is_max()) { |
+ result.tv_sec = std::numeric_limits<time_t>::max(); |
+ result.tv_usec = static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1; |
+ return result; |
+ } |
+ int64_t us = us_ - kTimeTToMicrosecondsOffset; |
+ result.tv_sec = us / Time::kMicrosecondsPerSecond; |
+ result.tv_usec = us % Time::kMicrosecondsPerSecond; |
+ return result; |
+} |
+ |
+} // namespace base |