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// Copyright 2020 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "aemu/base/Optional.h"
#include "aemu/base/system/Memory.h"
#include "aemu/base/system/System.h"
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/IOBSD.h>
#include <IOKit/IOKitLib.h>
#include <AppKit/AppKit.h>
#include <IOKit/kext/KextManager.h>
#include <IOKit/storage/IOBlockStorageDevice.h>
#import <Foundation/Foundation.h>
#import <Foundation/NSProcessInfo.h>
#include <mach/mach_init.h>
#include <mach/thread_act.h>
#include <mach/mach_port.h>
#include <stdlib.h>
#include <sys/stat.h>
namespace android {
namespace base {
// From:
// https://stackoverflow.com/questions/49677034/thread-sleeps-too-long-on-os-x-when-in-background
void disableAppNap_macImpl(void) {
if ([[NSProcessInfo processInfo]
respondsToSelector:@selector(beginActivityWithOptions:reason:)]) {
[[NSProcessInfo processInfo]
beginActivityWithOptions:0x00FFFFFF
reason:@"Not sleepy and don't want to nap"];
}
}
// based on https://stackoverflow.com/questions/13893134/get-current-pthread-cpu-usage-mac-os-x
void cpuUsageCurrentThread_macImpl(
uint64_t* user,
uint64_t* sys) {
kern_return_t kr;
mach_msg_type_number_t count;
mach_port_t thread;
thread_basic_info_data_t info;
thread = mach_thread_self();
count = THREAD_BASIC_INFO_COUNT;
kr = thread_info(
thread,
THREAD_BASIC_INFO,
(thread_info_t)&info,
&count);
if (kr == KERN_SUCCESS) {
*user =
info.user_time.seconds * 1000000ULL +
info.user_time.microseconds;
*sys =
info.system_time.seconds * 1000000ULL +
info.system_time.microseconds;
} else {
fprintf(stderr, "%s: WARNING: could not get thread info for CPU usage\n", __func__);
}
mach_port_deallocate(mach_task_self(), thread);
}
Optional<DiskKind> nativeDiskKind(int st_dev) {
const char* devName = devname(st_dev, S_IFBLK);
if (!devName) {
return {};
}
CFMutableDictionaryRef classesToMatch =
IOBSDNameMatching(kIOMasterPortDefault, 0, devName);
if (!classesToMatch) {
NSLog(@"Could not find io classes of disk");
return {};
}
// get iterator of matching services
io_iterator_t entryIterator;
if (KERN_SUCCESS != IOServiceGetMatchingServices(kIOMasterPortDefault,
classesToMatch,
&entryIterator)) {
NSLog(@"Can't iterate services");
return {};
}
// iterate over all found medias
io_object_t serviceEntry, parentMedia;
while ((serviceEntry = IOIteratorNext(entryIterator)) != 0) {
// We assume there won't be more levels of nesting here. The limit is
// arbitrary and can be increased if we hit it.
int maxlevels = 8;
do {
kern_return_t kernResult = IORegistryEntryGetParentEntry(
serviceEntry, kIOServicePlane, &parentMedia);
IOObjectRelease(serviceEntry);
if (KERN_SUCCESS != kernResult) {
serviceEntry = 0;
NSLog(@"Error while getting parent service entry");
break;
}
serviceEntry = parentMedia;
if (!parentMedia) {
break; // finished iterator
}
CFTypeRef res = IORegistryEntryCreateCFProperty(
serviceEntry, CFSTR(kIOPropertyDeviceCharacteristicsKey),
kCFAllocatorDefault, 0);
if (res) {
NSString* type = [(NSDictionary*)res
objectForKey:(id)CFSTR(kIOPropertyMediumTypeKey)];
if ([@kIOPropertyMediumTypeSolidStateKey
isEqualToString:type]) {
CFRelease(res);
return DiskKind::Ssd;
} else if ([@kIOPropertyMediumTypeRotationalKey
isEqualToString:type]) {
CFRelease(res);
return DiskKind::Hdd;
}
CFRelease(res);
}
} while (maxlevels--);
if (serviceEntry) {
IOObjectRelease(serviceEntry);
}
}
IOObjectRelease(entryIterator);
return {};
}
// From:
// https://stackoverflow.com/questions/6796028/start-a-gui-process-in-mac-os-x-without-dock-icon
void hideDockIcon_macImpl(void) {
if (NSApp == nil) {
// Initialize the global variable "NSApp"
[NSApplication sharedApplication];
}
[NSApp setActivationPolicy:NSApplicationActivationPolicyAccessory];
}
} // namespace base
} // namespace android
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