Fuchsia: Initial check-in.

runtime/vm/os_fuchsia.cc

+// Copyright (c) 2016, 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 "vm/globals.h"
+#if defined(TARGET_OS_FUCHSIA)
+
+#include "vm/os.h"
+
+#include <magenta/syscalls.h>
+#include <magenta/types.h>
+
+#include "platform/assert.h"
+
+namespace dart {
+
+const char* OS::Name() {
+  return "fuchsia";
+}
+
+
+intptr_t OS::ProcessId() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+const char* OS::GetTimeZoneName(int64_t seconds_since_epoch) {
+  UNIMPLEMENTED();
+  return "";
+}
+
+
+int OS::GetTimeZoneOffsetInSeconds(int64_t seconds_since_epoch) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int OS::GetLocalTimeZoneAdjustmentInSeconds() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int64_t OS::GetCurrentTimeMillis() {
+  return GetCurrentTimeMicros() / 1000;
+}
+
+
+int64_t OS::GetCurrentTimeMicros() {
+  return _magenta_current_time() / 1000;
+}
+
+
+int64_t OS::GetCurrentMonotonicTicks() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int64_t OS::GetCurrentMonotonicFrequency() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int64_t OS::GetCurrentMonotonicMicros() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int64_t OS::GetCurrentThreadCPUMicros() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void* OS::AlignedAllocate(intptr_t size, intptr_t alignment) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+void OS::AlignedFree(void* ptr) {
+  UNIMPLEMENTED();
+}
+
+
+// TODO(5411554):  May need to hoist these architecture dependent code
+// into a architecture specific file e.g: os_ia32_linux.cc
+intptr_t OS::ActivationFrameAlignment() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+intptr_t OS::PreferredCodeAlignment() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+bool OS::AllowStackFrameIteratorFromAnotherThread() {
+  UNIMPLEMENTED();
+  return false;
+}
+
+
+int OS::NumberOfAvailableProcessors() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void OS::Sleep(int64_t millis) {
+  UNIMPLEMENTED();
+}
+
+
+void OS::SleepMicros(int64_t micros) {
+  UNIMPLEMENTED();
+}
+
+
+void OS::DebugBreak() {
+  UNIMPLEMENTED();
+}
+
+
+char* OS::StrNDup(const char* s, intptr_t n) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+intptr_t OS::StrNLen(const char* s, intptr_t n) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void OS::Print(const char* format, ...) {
+  UNIMPLEMENTED();
+}
+
+
+void OS::VFPrint(FILE* stream, const char* format, va_list args) {
+  vfprintf(stream, format, args);
+  fflush(stream);
+}
+
+
+int OS::SNPrint(char* str, size_t size, const char* format, ...) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+int OS::VSNPrint(char* str, size_t size, const char* format, va_list args) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+char* OS::SCreate(Zone* zone, const char* format, ...) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+char* OS::VSCreate(Zone* zone, const char* format, va_list args) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+bool OS::StringToInt64(const char* str, int64_t* value) {
+  UNIMPLEMENTED();
+  return false;
+}
+
+
+void OS::RegisterCodeObservers() {
+  UNIMPLEMENTED();
+}
+
+
+void OS::PrintErr(const char* format, ...) {
+  va_list args;
+  va_start(args, format);
+  VFPrint(stderr, format, args);
+  va_end(args);
+}
+
+
+void OS::InitOnce() {
+  // TODO(5411554): For now we check that initonce is called only once,
+  // Once there is more formal mechanism to call InitOnce we can move
+  // this check there.
+  static bool init_once_called = false;
+  ASSERT(init_once_called == false);
+  init_once_called = true;
+}
+
+
+void OS::Shutdown() {
+}
+
+
+void OS::Abort() {
+  abort();
+}
+
+
+void OS::Exit(int code) {
+  UNIMPLEMENTED();
+}
+
+}  // namespace dart
+
+#endif  // defined(TARGET_OS_FUCHSIA)