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24f838370d
mach_absolute_time uses the same clock as CLOCK_UPTIME_RAW. There are privacy concerns that boot time can be used for device fingerprinting. Dart doesn't not need to know boot time, only some monotonic clock. TEST=ci Change-Id: I57acd080bb93ce9cf51b4b90aec09bb7cab7f7af Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/348044 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Brian Quinlan <bquinlan@google.com>
110 lines
3 KiB
C++
110 lines
3 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(DART_HOST_OS_MACOS)
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#include <errno.h> // NOLINT
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#include <mach/clock.h> // NOLINT
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#include <mach/mach.h> // NOLINT
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#include <mach/mach_time.h> // NOLINT
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#include <netdb.h> // NOLINT
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#include <sys/time.h> // NOLINT
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#include <time.h> // NOLINT
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#include "bin/utils.h"
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#include "platform/assert.h"
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#include "platform/utils.h"
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namespace dart {
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namespace bin {
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OSError::OSError() : sub_system_(kSystem), code_(0), message_(nullptr) {
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Reload();
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}
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void OSError::Reload() {
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SetCodeAndMessage(kSystem, errno);
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}
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void OSError::SetCodeAndMessage(SubSystem sub_system, int code) {
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set_sub_system(sub_system);
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set_code(code);
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if (sub_system == kSystem) {
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const int kBufferSize = 1024;
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char error_message[kBufferSize];
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Utils::StrError(code, error_message, kBufferSize);
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SetMessage(error_message);
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} else if (sub_system == kGetAddressInfo) {
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SetMessage(gai_strerror(code));
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} else {
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UNREACHABLE();
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}
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}
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const char* StringUtils::ConsoleStringToUtf8(const char* str,
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intptr_t len,
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intptr_t* result_len) {
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return nullptr;
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}
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const char* StringUtils::Utf8ToConsoleString(const char* utf8,
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intptr_t len,
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intptr_t* result_len) {
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return nullptr;
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}
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char* StringUtils::ConsoleStringToUtf8(char* str,
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intptr_t len,
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intptr_t* result_len) {
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return nullptr;
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}
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char* StringUtils::Utf8ToConsoleString(char* utf8,
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intptr_t len,
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intptr_t* result_len) {
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return nullptr;
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}
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bool ShellUtils::GetUtf8Argv(int argc, char** argv) {
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return false;
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}
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void TimerUtils::InitOnce() {}
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int64_t TimerUtils::GetCurrentMonotonicMillis() {
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return GetCurrentMonotonicMicros() / 1000;
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}
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int64_t TimerUtils::GetCurrentMonotonicMicros() {
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return clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW) /
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kNanosecondsPerMicrosecond;
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}
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void TimerUtils::Sleep(int64_t millis) {
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struct timespec req; // requested.
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struct timespec rem; // remainder.
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int64_t micros = millis * kMicrosecondsPerMillisecond;
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int64_t seconds = micros / kMicrosecondsPerSecond;
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micros = micros - seconds * kMicrosecondsPerSecond;
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int64_t nanos = micros * kNanosecondsPerMicrosecond;
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req.tv_sec = seconds;
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req.tv_nsec = nanos;
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while (true) {
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int r = nanosleep(&req, &rem);
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if (r == 0) {
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break;
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}
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// We should only ever see an interrupt error.
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ASSERT(errno == EINTR);
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// Copy remainder into requested and repeat.
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req = rem;
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}
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(DART_HOST_OS_MACOS)
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