Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(241)

Side by Side Diff: base/time.h

Issue 600104: Actually delete databases in CookiesTreeModel. (Closed)
Patch Set: fixed comments Created 10 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « base/file_util_win.cc ('k') | base/time_posix.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Time represents an absolute point in time, internally represented as 5 // Time represents an absolute point in time, internally represented as
6 // microseconds (s/1,000,000) since a platform-dependent epoch. Each 6 // microseconds (s/1,000,000) since a platform-dependent epoch. Each
7 // platform's epoch, along with other system-dependent clock interface 7 // platform's epoch, along with other system-dependent clock interface
8 // routines, is defined in time_PLATFORM.cc. 8 // routines, is defined in time_PLATFORM.cc.
9 // 9 //
10 // TimeDelta represents a duration of time, internally represented in 10 // TimeDelta represents a duration of time, internally represented in
11 // microseconds. 11 // microseconds.
12 // 12 //
13 // TimeTicks represents an abstract time that is always incrementing for use 13 // TimeTicks represents an abstract time that is always incrementing for use
14 // in measuring time durations. It is internally represented in microseconds. 14 // in measuring time durations. It is internally represented in microseconds.
15 // It can not be converted to a human-readable time, but is guaranteed not to 15 // It can not be converted to a human-readable time, but is guaranteed not to
16 // decrease (if the user changes the computer clock, Time::Now() may actually 16 // decrease (if the user changes the computer clock, Time::Now() may actually
17 // decrease or jump). 17 // decrease or jump).
18 // 18 //
19 // These classes are represented as only a 64-bit value, so they can be 19 // These classes are represented as only a 64-bit value, so they can be
20 // efficiently passed by value. 20 // efficiently passed by value.
21 21
22 #ifndef BASE_TIME_H_ 22 #ifndef BASE_TIME_H_
23 #define BASE_TIME_H_ 23 #define BASE_TIME_H_
24 24
25 #include <time.h> 25 #include <time.h>
26 26
27 #include "base/basictypes.h" 27 #include "base/basictypes.h"
28 28
29 #if defined(OS_POSIX)
30 // For struct timeval.
31 #include <sys/time.h>
32 #endif
33
29 #if defined(OS_WIN) 34 #if defined(OS_WIN)
30 // For FILETIME in FromFileTime, until it moves to a new converter class. 35 // For FILETIME in FromFileTime, until it moves to a new converter class.
31 // See TODO(iyengar) below. 36 // See TODO(iyengar) below.
32 #include <windows.h> 37 #include <windows.h>
33 #endif 38 #endif
34 39
35 namespace base { 40 namespace base {
36 41
37 class Time; 42 class Time;
38 class TimeTicks; 43 class TimeTicks;
(...skipping 195 matching lines...) Expand 10 before | Expand all | Expand 10 after
234 // TODO(brettw) this should be removed once everybody starts using the |Time| 239 // TODO(brettw) this should be removed once everybody starts using the |Time|
235 // class. 240 // class.
236 static Time FromTimeT(time_t tt); 241 static Time FromTimeT(time_t tt);
237 time_t ToTimeT() const; 242 time_t ToTimeT() const;
238 243
239 // Converts time to/from a double which is the number of seconds since epoch 244 // Converts time to/from a double which is the number of seconds since epoch
240 // (Jan 1, 1970). Webkit uses this format to represent time. 245 // (Jan 1, 1970). Webkit uses this format to represent time.
241 static Time FromDoubleT(double dt); 246 static Time FromDoubleT(double dt);
242 double ToDoubleT() const; 247 double ToDoubleT() const;
243 248
249 #if defined(OS_POSIX)
250 struct timeval ToTimeVal() const;
251 #endif
244 252
245 #if defined(OS_WIN) 253 #if defined(OS_WIN)
246 static Time FromFileTime(FILETIME ft); 254 static Time FromFileTime(FILETIME ft);
247 FILETIME ToFileTime() const; 255 FILETIME ToFileTime() const;
248 256
249 // Enable or disable Windows high resolution timer. For more details 257 // Enable or disable Windows high resolution timer. For more details
250 // see comments in time_win.cc. Returns true on success. 258 // see comments in time_win.cc. Returns true on success.
251 static bool UseHighResolutionTimer(bool use); 259 static bool UseHighResolutionTimer(bool use);
252 #endif 260 #endif
253 261
(...skipping 242 matching lines...) Expand 10 before | Expand all | Expand 10 after
496 #endif 504 #endif
497 }; 505 };
498 506
499 inline TimeTicks TimeDelta::operator+(TimeTicks t) const { 507 inline TimeTicks TimeDelta::operator+(TimeTicks t) const {
500 return TimeTicks(t.ticks_ + delta_); 508 return TimeTicks(t.ticks_ + delta_);
501 } 509 }
502 510
503 } // namespace base 511 } // namespace base
504 512
505 #endif // BASE_TIME_H_ 513 #endif // BASE_TIME_H_
OLDNEW
« no previous file with comments | « base/file_util_win.cc ('k') | base/time_posix.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698