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9ff2f0d631
* Swtich from task_info to libproc for system resource info * Fix return value * Convert nanos to seconds * Make GetTimebase static. Expose NanosToMachTime. * Abstract return or GetTaskInfo to new type.
42 lines
1.2 KiB
Objective-C
42 lines
1.2 KiB
Objective-C
/// Copyright 2022 Google LLC
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// https://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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#ifndef SANTA__COMMON__SYSTEMRESOURCES_H
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#define SANTA__COMMON__SYSTEMRESOURCES_H
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#import <Foundation/Foundation.h>
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#include <mach/mach_time.h>
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#include <sys/cdefs.h>
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#include <sys/proc_info.h>
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#include <optional>
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struct SantaTaskInfo {
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uint64_t virtual_size;
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uint64_t resident_size;
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uint64_t total_user_nanos;
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uint64_t total_system_nanos;
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};
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// Convert mach absolute time to nanoseconds
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uint64_t MachTimeToNanos(uint64_t mach_time);
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// Convert nanoseconds to mach absolute time
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uint64_t NanosToMachTime(uint64_t nanos);
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// Get the result of proc_pidinfo with the PROC_PIDTASKINFO flavor
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std::optional<SantaTaskInfo> GetTaskInfo();
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#endif
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