blob: 52066bc2f79b285d31eb704f3f2f00c45a5b11a5 [file] [log] [blame]
// 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(HOST_OS_MACOS)
#include <errno.h> // NOLINT
#include <mach/clock.h> // NOLINT
#include <mach/mach.h> // NOLINT
#include <mach/mach_time.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) {
Reload();
}
void OSError::Reload() {
SetCodeAndMessage(kSystem, errno);
}
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_message[kBufferSize];
Utils::StrError(code, error_message, kBufferSize);
SetMessage(error_message);
} 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;
}
static mach_timebase_info_data_t timebase_info;
void TimerUtils::InitOnce() {
kern_return_t kr = mach_timebase_info(&timebase_info);
ASSERT(KERN_SUCCESS == kr);
}
int64_t TimerUtils::GetCurrentMonotonicMillis() {
return GetCurrentMonotonicMicros() / 1000;
}
int64_t TimerUtils::GetCurrentMonotonicMicros() {
ASSERT(timebase_info.denom != 0);
// timebase_info converts absolute time tick units into nanoseconds. Convert
// to microseconds.
int64_t result = mach_absolute_time() / kNanosecondsPerMicrosecond;
result *= timebase_info.numer;
result /= timebase_info.denom;
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(HOST_OS_MACOS)