mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 22:51:29 +00:00
3c8d3b6870
Change-Id: Ic7cbc690f490e0127387d9a23866ea7eddbc84cf Reviewed-on: https://dart-review.googlesource.com/45746 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Zach Anderson <zra@google.com>
251 lines
6.9 KiB
C++
251 lines
6.9 KiB
C++
// 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 "bin/platform.h"
|
|
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
|
|
#if !HOST_OS_IOS
|
|
#include <crt_externs.h> // NOLINT
|
|
#endif // !HOST_OS_IOS
|
|
#include <errno.h> // NOLINT
|
|
#include <mach-o/dyld.h>
|
|
#include <signal.h> // NOLINT
|
|
#include <string.h> // NOLINT
|
|
#include <sys/sysctl.h> // NOLINT
|
|
#include <sys/types.h> // NOLINT
|
|
#include <sys/utsname.h> // NOLINT
|
|
#include <unistd.h> // NOLINT
|
|
|
|
#include "bin/console.h"
|
|
#include "bin/file.h"
|
|
|
|
namespace dart {
|
|
namespace bin {
|
|
|
|
const char* Platform::executable_name_ = NULL;
|
|
char* Platform::resolved_executable_name_ = NULL;
|
|
int Platform::script_index_ = 1;
|
|
char** Platform::argv_ = NULL;
|
|
|
|
static void segv_handler(int signal, siginfo_t* siginfo, void* context) {
|
|
Log::PrintErr(
|
|
"\n===== DART STANDALONE VM CRASH =====\n"
|
|
"version=%s\n"
|
|
"si_signo=%s(%d), si_code=%d, si_addr=%p\n",
|
|
Dart_VersionString(), strsignal(siginfo->si_signo), siginfo->si_signo,
|
|
siginfo->si_code, siginfo->si_addr);
|
|
Dart_DumpNativeStackTrace(context);
|
|
abort();
|
|
}
|
|
|
|
bool Platform::Initialize() {
|
|
// Turn off the signal handler for SIGPIPE as it causes the process
|
|
// to terminate on writing to a closed pipe. Without the signal
|
|
// handler error EPIPE is set instead.
|
|
struct sigaction act;
|
|
bzero(&act, sizeof(act));
|
|
act.sa_handler = SIG_IGN;
|
|
if (sigaction(SIGPIPE, &act, 0) != 0) {
|
|
perror("Setting signal handler failed");
|
|
return false;
|
|
}
|
|
act.sa_flags = SA_SIGINFO;
|
|
act.sa_sigaction = &segv_handler;
|
|
if (sigemptyset(&act.sa_mask) != 0) {
|
|
perror("sigemptyset() failed.");
|
|
return false;
|
|
}
|
|
if (sigaddset(&act.sa_mask, SIGPROF) != 0) {
|
|
perror("sigaddset() failed");
|
|
return false;
|
|
}
|
|
if (sigaction(SIGSEGV, &act, NULL) != 0) {
|
|
perror("sigaction() failed.");
|
|
return false;
|
|
}
|
|
if (sigaction(SIGBUS, &act, NULL) != 0) {
|
|
perror("sigaction() failed.");
|
|
return false;
|
|
}
|
|
if (sigaction(SIGTRAP, &act, NULL) != 0) {
|
|
perror("sigaction() failed.");
|
|
return false;
|
|
}
|
|
if (sigaction(SIGILL, &act, NULL) != 0) {
|
|
perror("sigaction() failed.");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int Platform::NumberOfProcessors() {
|
|
int32_t cpus = -1;
|
|
size_t cpus_length = sizeof(cpus);
|
|
if (sysctlbyname("hw.logicalcpu", &cpus, &cpus_length, NULL, 0) == 0) {
|
|
return cpus;
|
|
} else {
|
|
// Failed, fallback to using sysconf.
|
|
return sysconf(_SC_NPROCESSORS_ONLN);
|
|
}
|
|
}
|
|
|
|
const char* Platform::OperatingSystem() {
|
|
#if HOST_OS_IOS
|
|
return "ios";
|
|
#else
|
|
return "macos";
|
|
#endif
|
|
}
|
|
|
|
const char* Platform::OperatingSystemVersion() {
|
|
struct utsname info;
|
|
int ret = uname(&info);
|
|
if (ret != 0) {
|
|
return NULL;
|
|
}
|
|
const char* kFormat = "%s %s %s";
|
|
int len =
|
|
snprintf(NULL, 0, kFormat, info.sysname, info.release, info.version);
|
|
if (len <= 0) {
|
|
return NULL;
|
|
}
|
|
char* result = DartUtils::ScopedCString(len + 1);
|
|
ASSERT(result != NULL);
|
|
len = snprintf(result, len + 1, kFormat, info.sysname, info.release,
|
|
info.version);
|
|
if (len <= 0) {
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
const char* Platform::LibraryPrefix() {
|
|
return "lib";
|
|
}
|
|
|
|
const char* Platform::LibraryExtension() {
|
|
return "dylib";
|
|
}
|
|
|
|
static const char* GetLocaleName() {
|
|
CFLocaleRef locale = CFLocaleCopyCurrent();
|
|
CFStringRef locale_string = CFLocaleGetIdentifier(locale);
|
|
CFIndex len = CFStringGetLength(locale_string);
|
|
CFIndex max_len =
|
|
CFStringGetMaximumSizeForEncoding(len, kCFStringEncodingUTF8) + 1;
|
|
char* result = reinterpret_cast<char*>(Dart_ScopeAllocate(max_len));
|
|
ASSERT(result != NULL);
|
|
bool success =
|
|
CFStringGetCString(locale_string, result, max_len, kCFStringEncodingUTF8);
|
|
CFRelease(locale);
|
|
if (!success) {
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static const char* GetPreferredLanguageName() {
|
|
CFArrayRef languages = CFLocaleCopyPreferredLanguages();
|
|
CFIndex languages_length = CFArrayGetCount(languages);
|
|
if (languages_length < 1) {
|
|
CFRelease(languages);
|
|
return NULL;
|
|
}
|
|
CFTypeRef item =
|
|
reinterpret_cast<CFTypeRef>(CFArrayGetValueAtIndex(languages, 0));
|
|
CFTypeID item_type = CFGetTypeID(item);
|
|
ASSERT(item_type == CFStringGetTypeID());
|
|
CFStringRef language = reinterpret_cast<CFStringRef>(item);
|
|
CFIndex len = CFStringGetLength(language);
|
|
CFIndex max_len =
|
|
CFStringGetMaximumSizeForEncoding(len, kCFStringEncodingUTF8) + 1;
|
|
char* result = reinterpret_cast<char*>(Dart_ScopeAllocate(max_len));
|
|
ASSERT(result != NULL);
|
|
bool success =
|
|
CFStringGetCString(language, result, max_len, kCFStringEncodingUTF8);
|
|
CFRelease(languages);
|
|
if (!success) {
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
const char* Platform::LocaleName() {
|
|
// First see if there is a preferred language. If not, return the
|
|
// current locale name.
|
|
const char* preferred_language = GetPreferredLanguageName();
|
|
return (preferred_language != NULL) ? preferred_language : GetLocaleName();
|
|
}
|
|
|
|
bool Platform::LocalHostname(char* buffer, intptr_t buffer_length) {
|
|
return gethostname(buffer, buffer_length) == 0;
|
|
}
|
|
|
|
char** Platform::Environment(intptr_t* count) {
|
|
#if HOST_OS_IOS
|
|
// TODO(zra,chinmaygarde): On iOS, environment variables are seldom used. Wire
|
|
// this up if someone needs it. In the meantime, we return an empty array.
|
|
char** result;
|
|
result = reinterpret_cast<char**>(Dart_ScopeAllocate(1 * sizeof(*result)));
|
|
if (result == NULL) {
|
|
return NULL;
|
|
}
|
|
result[0] = NULL;
|
|
*count = 0;
|
|
return result;
|
|
#else
|
|
// Using environ directly is only safe as long as we do not
|
|
// provide access to modifying environment variables.
|
|
// On MacOS you have to do a bit of magic to get to the
|
|
// environment strings.
|
|
char** environ = *(_NSGetEnviron());
|
|
intptr_t i = 0;
|
|
char** tmp = environ;
|
|
while (*(tmp++) != NULL) {
|
|
i++;
|
|
}
|
|
*count = i;
|
|
char** result;
|
|
result = reinterpret_cast<char**>(Dart_ScopeAllocate(i * sizeof(*result)));
|
|
for (intptr_t current = 0; current < i; current++) {
|
|
result[current] = environ[current];
|
|
}
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
const char* Platform::GetExecutableName() {
|
|
return executable_name_;
|
|
}
|
|
|
|
const char* Platform::ResolveExecutablePath() {
|
|
// Get the required length of the buffer.
|
|
uint32_t path_size = 0;
|
|
if (_NSGetExecutablePath(NULL, &path_size) == 0) {
|
|
return NULL;
|
|
}
|
|
// Allocate buffer and get executable path.
|
|
char* path = DartUtils::ScopedCString(path_size);
|
|
if (_NSGetExecutablePath(path, &path_size) != 0) {
|
|
return NULL;
|
|
}
|
|
// Return the canonical path as the returned path might contain symlinks.
|
|
const char* canon_path = File::GetCanonicalPath(NULL, path);
|
|
return canon_path;
|
|
}
|
|
|
|
void Platform::Exit(int exit_code) {
|
|
Console::RestoreConfig();
|
|
exit(exit_code);
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|
|
|
|
#endif // defined(HOST_OS_MACOS)
|