| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/globals.h" |
| #if defined(TARGET_OS_LINUX) |
| |
| #include <errno.h> // NOLINT |
| #include <netdb.h> // NOLINT |
| #include <sys/time.h> // NOLINT |
| #include <time.h> // NOLINT |
| |
| #include "bin/utils.h" |
| #include "platform/assert.h" |
| |
| |
| namespace dart { |
| namespace bin { |
| |
| OSError::OSError() : sub_system_(kSystem), code_(0), message_(NULL) { |
| set_sub_system(kSystem); |
| set_code(errno); |
| const int kBufferSize = 1024; |
| char error_buf[kBufferSize]; |
| SetMessage(strerror_r(errno, error_buf, kBufferSize)); |
| } |
| |
| |
| void OSError::SetCodeAndMessage(SubSystem sub_system, int code) { |
| set_sub_system(sub_system); |
| set_code(code); |
| if (sub_system == kSystem) { |
| const int kBufferSize = 1024; |
| char error_buf[kBufferSize]; |
| SetMessage(strerror_r(code, error_buf, kBufferSize)); |
| } else if (sub_system == kGetAddressInfo) { |
| SetMessage(gai_strerror(code)); |
| } else { |
| UNREACHABLE(); |
| } |
| } |
| |
| const char* StringUtils::ConsoleStringToUtf8( |
| const char* str, intptr_t len, intptr_t* result_len) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| const char* StringUtils::Utf8ToConsoleString( |
| const char* utf8, intptr_t len, intptr_t* result_len) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| char* StringUtils::ConsoleStringToUtf8( |
| char* str, intptr_t len, intptr_t* result_len) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| char* StringUtils::Utf8ToConsoleString( |
| char* utf8, intptr_t len, intptr_t* result_len) { |
| UNIMPLEMENTED(); |
| return NULL; |
| } |
| |
| bool ShellUtils::GetUtf8Argv(int argc, char** argv) { |
| return false; |
| } |
| |
| int64_t TimerUtils::GetCurrentTimeMilliseconds() { |
| return GetCurrentTimeMicros() / 1000; |
| } |
| |
| int64_t TimerUtils::GetCurrentTimeMicros() { |
| struct timeval tv; |
| if (gettimeofday(&tv, NULL) < 0) { |
| UNREACHABLE(); |
| return 0; |
| } |
| return (static_cast<int64_t>(tv.tv_sec) * 1000000) + tv.tv_usec; |
| } |
| |
| void TimerUtils::Sleep(int64_t millis) { |
| struct timespec req; // requested. |
| struct timespec rem; // remainder. |
| int64_t micros = millis * kMicrosecondsPerMillisecond; |
| int64_t seconds = micros / kMicrosecondsPerSecond; |
| micros = micros - seconds * kMicrosecondsPerSecond; |
| int64_t nanos = micros * kNanosecondsPerMicrosecond; |
| req.tv_sec = seconds; |
| req.tv_nsec = nanos; |
| while (true) { |
| int r = nanosleep(&req, &rem); |
| if (r == 0) { |
| break; |
| } |
| // We should only ever see an interrupt error. |
| ASSERT(errno == EINTR); |
| // Copy remainder into requested and repeat. |
| req = rem; |
| } |
| } |
| |
| } // namespace bin |
| } // namespace dart |
| |
| #endif // defined(TARGET_OS_LINUX) |