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70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/*
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* Copyright (c) 2006-2018 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef SYS_MEMORYSTATUS_NOTIFY_H
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#define SYS_MEMORYSTATUS_NOTIFY_H
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#include <stdint.h>
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#include <sys/proc.h>
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#include <sys/param.h>
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#if VM_PRESSURE_EVENTS
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extern vm_pressure_level_t memorystatus_vm_pressure_level;
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extern boolean_t memorystatus_hwm_candidates;
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boolean_t memorystatus_warn_process(const proc_t p, __unused boolean_t is_active, __unused boolean_t is_fatal, boolean_t exceeded);
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int memorystatus_send_note(int event_code, void *data, uint32_t data_length);
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int memorystatus_send_dirty_status_change_note(void *data, uint32_t data_length);
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void memorystatus_send_low_swap_note(void);
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void consider_vm_pressure_events(void);
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#if CONFIG_MEMORYSTATUS
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int memorystatus_low_mem_privileged_listener(uint32_t op_flags);
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int memorystatus_send_pressure_note(int pid);
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boolean_t memorystatus_is_foreground_locked(proc_t p);
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boolean_t memorystatus_bg_pressure_eligible(proc_t p);
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void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty, boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit);
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extern void memorystatus_issue_fg_band_notify(void);
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#endif /* CONFIG_MEMORYSTATUS */
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#if DEBUG
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#define VM_PRESSURE_DEBUG(cond, format, ...) \
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do { \
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if (cond) { printf(format, ##__VA_ARGS__); } \
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} while(0)
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#else
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#define VM_PRESSURE_DEBUG(cond, format, ...)
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#endif
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#endif /* VM_PRESSURE_EVENTS */
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#endif /* SYS_MEMORYSTATUS_NOTIFY_H */
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