/*
 * Copyright 2008-2010, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SYSTEM_INFO_H
#define _SYSTEM_INFO_H


#include <OS.h>


enum {
        // team creation or deletion; object == -1; either one also triggers on
        // exec()
        B_WATCH_SYSTEM_TEAM_CREATION            = 0x01,
        B_WATCH_SYSTEM_TEAM_DELETION            = 0x02,

        // thread creation or deletion or property (name, priority) changes;
        // object == team ID or -1 for all teams
        B_WATCH_SYSTEM_THREAD_CREATION          = 0x04,
        B_WATCH_SYSTEM_THREAD_DELETION          = 0x08,
        B_WATCH_SYSTEM_THREAD_PROPERTIES        = 0x10,

        B_WATCH_SYSTEM_ALL
                = B_WATCH_SYSTEM_TEAM_CREATION
                | B_WATCH_SYSTEM_TEAM_DELETION
                | B_WATCH_SYSTEM_THREAD_CREATION
                | B_WATCH_SYSTEM_THREAD_DELETION
                | B_WATCH_SYSTEM_THREAD_PROPERTIES
};

enum {
        // message what for the notification messages
        B_SYSTEM_OBJECT_UPDATE                          = 'SOUP',

        // "opcode" values
        B_TEAM_CREATED                                          = 0,
        B_TEAM_DELETED                                          = 1,
        B_TEAM_EXEC                                                     = 2,
        B_THREAD_CREATED                                        = 3,
        B_THREAD_DELETED                                        = 4,
        B_THREAD_NAME_CHANGED                           = 5
};


#ifdef __cplusplus
extern "C" {
#endif


status_t __get_system_info(system_info* info);
status_t __get_cpu_topology_info(cpu_topology_node_info* topologyInfos,
                        uint32* topologyInfoCount);

status_t __start_watching_system(int32 object, uint32 flags, port_id port,
                        int32 token);
status_t __stop_watching_system(int32 object, uint32 flags, port_id port,
                        int32 token);


#ifdef __cplusplus
}
#endif


#endif  /* _SYSTEM_INFO_H */