Cleanup in //runtime/bin

runtime/bin/utils_linux.cc

 // 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"
 #include "platform/utils.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(Utils::StrError(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(Utils::StrError(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;
 }
 
+
 void TimerUtils::InitOnce() {
 }
 
+
 int64_t TimerUtils::GetCurrentMonotonicMillis() {
   return GetCurrentMonotonicMicros() / 1000;
 }
 
+
 int64_t TimerUtils::GetCurrentMonotonicMicros() {
   struct timespec ts;
   if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {
     UNREACHABLE();
     return 0;
   }
   // Convert to microseconds.
   int64_t result = ts.tv_sec;
   result *= kMicrosecondsPerSecond;
   result += (ts.tv_nsec / kNanosecondsPerMicrosecond);
   return result;
 }
 
+
 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)