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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/os.h" | 5 #include "vm/os.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <limits.h> | 8 #include <limits.h> |
9 #include <time.h> | 9 #include <time.h> |
10 #include <sys/resource.h> | 10 #include <sys/resource.h> |
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52 tm->tm_wday = -1; | 52 tm->tm_wday = -1; |
53 time_t seconds = mktime(tm); | 53 time_t seconds = mktime(tm); |
54 if ((seconds == -1) && (tm->tm_wday == -1)) { | 54 if ((seconds == -1) && (tm->tm_wday == -1)) { |
55 return false; | 55 return false; |
56 } | 56 } |
57 *seconds_result = seconds; | 57 *seconds_result = seconds; |
58 return true; | 58 return true; |
59 } | 59 } |
60 | 60 |
61 | 61 |
| 62 bool OS::GetTimeZoneName(int64_t seconds_since_epoch, |
| 63 const char** name_result) { |
| 64 tm decomposed; |
| 65 bool succeeded = LocalTime(seconds_since_epoch, &decomposed); |
| 66 if (!succeeded) return false; |
| 67 *name_result = decomposed.tm_zone; |
| 68 return true; |
| 69 } |
| 70 |
| 71 |
| 72 bool OS::GetTimeZoneOffsetInSeconds(int64_t seconds_since_epoch, |
| 73 int* offset_result) { |
| 74 tm decomposed; |
| 75 bool succeeded = LocalTime(seconds_since_epoch, &decomposed); |
| 76 if (!succeeded) return false; |
| 77 // Even if the offset was 24 hours it would still easily fit into 32 bits. |
| 78 *offset_result = static_cast<int>(decomposed.tm_gmtoff); |
| 79 return true; |
| 80 } |
| 81 |
| 82 |
62 int64_t OS::GetCurrentTimeMillis() { | 83 int64_t OS::GetCurrentTimeMillis() { |
63 return GetCurrentTimeMicros() / 1000; | 84 return GetCurrentTimeMicros() / 1000; |
64 } | 85 } |
65 | 86 |
66 | 87 |
67 int64_t OS::GetCurrentTimeMicros() { | 88 int64_t OS::GetCurrentTimeMicros() { |
68 // gettimeofday has microsecond resolution. | 89 // gettimeofday has microsecond resolution. |
69 struct timeval tv; | 90 struct timeval tv; |
70 if (gettimeofday(&tv, NULL) < 0) { | 91 if (gettimeofday(&tv, NULL) < 0) { |
71 UNREACHABLE(); | 92 UNREACHABLE(); |
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201 void OS::Abort() { | 222 void OS::Abort() { |
202 abort(); | 223 abort(); |
203 } | 224 } |
204 | 225 |
205 | 226 |
206 void OS::Exit(int code) { | 227 void OS::Exit(int code) { |
207 exit(code); | 228 exit(code); |
208 } | 229 } |
209 | 230 |
210 } // namespace dart | 231 } // namespace dart |
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