Files
santa/Source/common/SystemResources.h
Matt W 33c7aab9f1 Basic rate limiting for File Access Authorizer (#1053)
* WIP basic rate limiting support

* WIP added basic metrics when rate limited

* Hookup new metrics

* Cleanup old TODO

* PR feedback, update comments
2023-03-20 15:58:49 -04:00

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1.4 KiB
Objective-C

/// Copyright 2022 Google LLC
///
/// 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
///
/// https://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.
#ifndef SANTA__COMMON__SYSTEMRESOURCES_H
#define SANTA__COMMON__SYSTEMRESOURCES_H
#import <Foundation/Foundation.h>
#include <mach/mach_time.h>
#include <sys/cdefs.h>
#include <sys/proc_info.h>
#include <optional>
struct SantaTaskInfo {
uint64_t virtual_size;
uint64_t resident_size;
uint64_t total_user_nanos;
uint64_t total_system_nanos;
};
// Convert mach absolute time to nanoseconds
uint64_t MachTimeToNanos(uint64_t mach_time);
// Convert nanoseconds to mach absolute time
uint64_t NanosToMachTime(uint64_t nanos);
// Add some number of nanoseconds to a given mach time and return the new result
uint64_t AddNanosecondsToMachTime(uint64_t ns, uint64_t machTime);
// Get the result of proc_pidinfo with the PROC_PIDTASKINFO flavor
std::optional<SantaTaskInfo> GetTaskInfo();
#endif