d23cadce4c
-> [_{kern,user}_]{start,stop}_watching_system()
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39872 a95241bf-73f2-0310-859d-f6bbb57e9c96
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/*
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* Copyright 2008-2010, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SYSTEM_INFO_H
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#define _SYSTEM_INFO_H
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#include <OS.h>
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#define B_MEMORY_INFO 'memo'
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struct system_memory_info {
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uint64 max_memory;
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uint64 free_memory;
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uint64 needed_memory;
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uint64 max_swap_space;
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uint64 free_swap_space;
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uint64 block_cache_memory;
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uint32 page_faults;
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// TODO: add active/inactive page counts, swap in/out, ...
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};
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enum {
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// team creation or deletion; object == -1; either one also triggers on
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// exec()
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B_WATCH_SYSTEM_TEAM_CREATION = 0x01,
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B_WATCH_SYSTEM_TEAM_DELETION = 0x02,
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// thread creation or deletion or property (name, priority) changes;
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// object == team ID or -1 for all teams
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B_WATCH_SYSTEM_THREAD_CREATION = 0x04,
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B_WATCH_SYSTEM_THREAD_DELETION = 0x08,
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B_WATCH_SYSTEM_THREAD_PROPERTIES = 0x10,
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B_WATCH_SYSTEM_ALL
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= B_WATCH_SYSTEM_TEAM_CREATION
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| B_WATCH_SYSTEM_TEAM_DELETION
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| B_WATCH_SYSTEM_THREAD_CREATION
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| B_WATCH_SYSTEM_THREAD_DELETION
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| B_WATCH_SYSTEM_THREAD_PROPERTIES
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};
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enum {
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// message what for the notification messages
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B_SYSTEM_OBJECT_UPDATE = 'SOUP',
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// "opcode" values
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B_TEAM_CREATED = 0,
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B_TEAM_DELETED = 1,
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B_TEAM_EXEC = 2,
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B_THREAD_CREATED = 3,
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B_THREAD_DELETED = 4,
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B_THREAD_NAME_CHANGED = 5
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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status_t get_system_info_etc(int32 id, void* buffer, size_t bufferSize);
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status_t start_watching_system(int32 object, uint32 flags, port_id port,
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int32 token);
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status_t stop_watching_system(int32 object, uint32 flags, port_id port,
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int32 token);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSTEM_INFO_H */
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