MemoryStatusSPI.h   [plain text]


/*
 * Copyright (C) 2018 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "BPlatform.h"

#if BPLATFORM(IOS_FAMILY)

#if __has_include(<System/sys/kern_memorystatus.h>)
extern "C" {
#include <System/sys/kern_memorystatus.h>
}
#else
extern "C" {

typedef struct memorystatus_memlimit_properties {
    int32_t memlimit_active;                /* jetsam memory limit (in MB) when process is active */
    uint32_t memlimit_active_attr;
    int32_t memlimit_inactive;              /* jetsam memory limit (in MB) when process is inactive */
    uint32_t memlimit_inactive_attr;
} memorystatus_memlimit_properties_t;

#define MEMORYSTATUS_CMD_GET_MEMLIMIT_PROPERTIES 8

}
#endif // __has_include(<System/sys/kern_memorystatus.h>)

extern "C" {
int memorystatus_control(uint32_t command, int32_t pid, uint32_t flags, void *buffer, size_t buffersize);
}

#endif // BPLATFORM(IOS_FAMILY)