2a2b528e73
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37175 a95241bf-73f2-0310-859d-f6bbb57e9c96
787 lines
22 KiB
C
787 lines
22 KiB
C
/*
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* Copyright 2004-2009, 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 _OS_H
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#define _OS_H
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//! Kernel specific structures and functions
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#include <pthread.h>
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#include <stdarg.h>
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#include <SupportDefs.h>
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#include <StorageDefs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* System constants */
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#define B_OS_NAME_LENGTH 32
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#define B_PAGE_SIZE 4096
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#define B_INFINITE_TIMEOUT (9223372036854775807LL)
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enum {
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B_TIMEOUT = 0x8, /* relative timeout */
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B_RELATIVE_TIMEOUT = 0x8, /* fails after a relative timeout
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with B_TIMED_OUT */
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B_ABSOLUTE_TIMEOUT = 0x10, /* fails after an absolute timeout
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with B_TIMED_OUT */
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/* experimental Haiku only API */
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B_TIMEOUT_REAL_TIME_BASE = 0x40,
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B_ABSOLUTE_REAL_TIME_TIMEOUT = B_ABSOLUTE_TIMEOUT
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| B_TIMEOUT_REAL_TIME_BASE
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};
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/* Types */
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typedef int32 area_id;
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typedef int32 port_id;
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typedef int32 sem_id;
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typedef int32 team_id;
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typedef int32 thread_id;
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/* Areas */
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typedef struct area_info {
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area_id area;
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char name[B_OS_NAME_LENGTH];
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size_t size;
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uint32 lock;
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uint32 protection;
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team_id team;
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uint32 ram_size;
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uint32 copy_count;
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uint32 in_count;
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uint32 out_count;
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void *address;
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} area_info;
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/* area locking */
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#define B_NO_LOCK 0
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#define B_LAZY_LOCK 1
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#define B_FULL_LOCK 2
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#define B_CONTIGUOUS 3
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#define B_LOMEM 4
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/* address spec for create_area(), and clone_area() */
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#define B_ANY_ADDRESS 0
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#define B_EXACT_ADDRESS 1
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#define B_BASE_ADDRESS 2
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#define B_CLONE_ADDRESS 3
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#define B_ANY_KERNEL_ADDRESS 4
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/* area protection */
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#define B_READ_AREA 1
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#define B_WRITE_AREA 2
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extern area_id create_area(const char *name, void **startAddress,
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uint32 addressSpec, size_t size, uint32 lock,
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uint32 protection);
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extern area_id clone_area(const char *name, void **destAddress,
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uint32 addressSpec, uint32 protection, area_id source);
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extern area_id find_area(const char *name);
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extern area_id area_for(void *address);
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extern status_t delete_area(area_id id);
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extern status_t resize_area(area_id id, size_t newSize);
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extern status_t set_area_protection(area_id id, uint32 newProtection);
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/* system private, use macros instead */
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extern status_t _get_area_info(area_id id, area_info *areaInfo, size_t size);
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extern status_t _get_next_area_info(team_id team, int32 *cookie,
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area_info *areaInfo, size_t size);
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#define get_area_info(id, areaInfo) \
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_get_area_info((id), (areaInfo),sizeof(*(areaInfo)))
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#define get_next_area_info(team, cookie, areaInfo) \
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_get_next_area_info((team), (cookie), (areaInfo), sizeof(*(areaInfo)))
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/* Ports */
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typedef struct port_info {
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port_id port;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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int32 capacity; /* queue depth */
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int32 queue_count; /* # msgs waiting to be read */
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int32 total_count; /* total # msgs read so far */
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} port_info;
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extern port_id create_port(int32 capacity, const char *name);
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extern port_id find_port(const char *name);
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extern ssize_t read_port(port_id port, int32 *code, void *buffer,
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size_t bufferSize);
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extern ssize_t read_port_etc(port_id port, int32 *code, void *buffer,
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size_t bufferSize, uint32 flags, bigtime_t timeout);
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extern status_t write_port(port_id port, int32 code, const void *buffer,
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size_t bufferSize);
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extern status_t write_port_etc(port_id port, int32 code, const void *buffer,
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size_t bufferSize, uint32 flags, bigtime_t timeout);
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extern status_t close_port(port_id port);
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extern status_t delete_port(port_id port);
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extern ssize_t port_buffer_size(port_id port);
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extern ssize_t port_buffer_size_etc(port_id port, uint32 flags,
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bigtime_t timeout);
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extern ssize_t port_count(port_id port);
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extern status_t set_port_owner(port_id port, team_id team);
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/* system private, use the macros instead */
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extern status_t _get_port_info(port_id port, port_info *portInfo,
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size_t portInfoSize);
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extern status_t _get_next_port_info(team_id team, int32 *cookie,
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port_info *portInfo, size_t portInfoSize);
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#define get_port_info(port, info) \
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_get_port_info((port), (info), sizeof(*(info)))
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#define get_next_port_info(team, cookie, info) \
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_get_next_port_info((team), (cookie), (info), sizeof(*(info)))
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/* WARNING: The following is Haiku experimental API. It might be removed or
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changed in the future. */
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typedef struct port_message_info {
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size_t size;
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uid_t sender;
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gid_t sender_group;
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team_id sender_team;
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} port_message_info;
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/* similar to port_buffer_size_etc(), but returns (more) info */
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extern status_t _get_port_message_info_etc(port_id port,
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port_message_info *info, size_t infoSize, uint32 flags,
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bigtime_t timeout);
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#define get_port_message_info_etc(port, info, flags, timeout) \
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_get_port_message_info_etc((port), (info), sizeof(*(info)), flags, timeout)
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/* Semaphores */
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typedef struct sem_info {
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sem_id sem;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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int32 count;
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thread_id latest_holder;
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} sem_info;
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/* semaphore flags */
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enum {
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B_CAN_INTERRUPT = 0x01, /* acquisition of the semaphore can be
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interrupted (system use only) */
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B_CHECK_PERMISSION = 0x04, /* ownership will be checked (system use
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only) */
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B_KILL_CAN_INTERRUPT = 0x20, /* acquisition of the semaphore can be
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interrupted by SIGKILL[THR], even
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if not B_CAN_INTERRUPT (system use
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only) */
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/* release_sem_etc() only flags */
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B_DO_NOT_RESCHEDULE = 0x02, /* thread is not rescheduled */
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B_RELEASE_ALL = 0x08, /* all waiting threads will be woken up,
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count will be zeroed */
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B_RELEASE_IF_WAITING_ONLY = 0x10 /* release count only if there are any
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threads waiting */
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};
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extern sem_id create_sem(int32 count, const char *name);
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extern status_t delete_sem(sem_id id);
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extern status_t acquire_sem(sem_id id);
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extern status_t acquire_sem_etc(sem_id id, int32 count, uint32 flags,
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bigtime_t timeout);
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extern status_t release_sem(sem_id id);
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extern status_t release_sem_etc(sem_id id, int32 count, uint32 flags);
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/* TODO: the following two calls are not part of the BeOS API, and might be
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changed or even removed for the final release of Haiku R1 */
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extern status_t switch_sem(sem_id semToBeReleased, sem_id id);
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extern status_t switch_sem_etc(sem_id semToBeReleased, sem_id id,
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int32 count, uint32 flags, bigtime_t timeout);
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extern status_t get_sem_count(sem_id id, int32 *threadCount);
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extern status_t set_sem_owner(sem_id id, team_id team);
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/* system private, use the macros instead */
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extern status_t _get_sem_info(sem_id id, struct sem_info *info,
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size_t infoSize);
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extern status_t _get_next_sem_info(team_id team, int32 *cookie,
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struct sem_info *info, size_t infoSize);
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#define get_sem_info(sem, info) \
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_get_sem_info((sem), (info), sizeof(*(info)))
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#define get_next_sem_info(team, cookie, info) \
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_get_next_sem_info((team), (cookie), (info), sizeof(*(info)))
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/* Teams */
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typedef struct {
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team_id team;
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int32 thread_count;
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int32 image_count;
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int32 area_count;
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thread_id debugger_nub_thread;
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port_id debugger_nub_port;
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int32 argc;
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char args[64];
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uid_t uid;
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gid_t gid;
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} team_info;
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#define B_CURRENT_TEAM 0
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#define B_SYSTEM_TEAM 1
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extern status_t kill_team(team_id team);
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/* see also: send_signal() */
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/* system private, use macros instead */
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extern status_t _get_team_info(team_id id, team_info *info, size_t size);
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extern status_t _get_next_team_info(int32 *cookie, team_info *info,
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size_t size);
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#define get_team_info(id, info) \
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_get_team_info((id), (info), sizeof(*(info)))
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#define get_next_team_info(cookie, info) \
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_get_next_team_info((cookie), (info), sizeof(*(info)))
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/* team usage info */
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typedef struct {
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bigtime_t user_time;
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bigtime_t kernel_time;
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} team_usage_info;
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enum {
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/* compatible to sys/resource.h RUSAGE_SELF and RUSAGE_CHILDREN */
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B_TEAM_USAGE_SELF = 0,
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B_TEAM_USAGE_CHILDREN = -1
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};
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/* system private, use macros instead */
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extern status_t _get_team_usage_info(team_id team, int32 who,
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team_usage_info *info, size_t size);
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#define get_team_usage_info(team, who, info) \
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_get_team_usage_info((team), (who), (info), sizeof(*(info)))
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/* Threads */
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typedef enum {
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B_THREAD_RUNNING = 1,
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B_THREAD_READY,
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B_THREAD_RECEIVING,
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B_THREAD_ASLEEP,
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B_THREAD_SUSPENDED,
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B_THREAD_WAITING
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} thread_state;
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typedef struct {
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thread_id thread;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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thread_state state;
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int32 priority;
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sem_id sem;
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bigtime_t user_time;
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bigtime_t kernel_time;
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void *stack_base;
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void *stack_end;
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} thread_info;
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#define B_IDLE_PRIORITY 0
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#define B_LOWEST_ACTIVE_PRIORITY 1
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#define B_LOW_PRIORITY 5
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#define B_NORMAL_PRIORITY 10
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#define B_DISPLAY_PRIORITY 15
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#define B_URGENT_DISPLAY_PRIORITY 20
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#define B_REAL_TIME_DISPLAY_PRIORITY 100
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#define B_URGENT_PRIORITY 110
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#define B_REAL_TIME_PRIORITY 120
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#define B_SYSTEM_TIMEBASE 0
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#define B_FIRST_REAL_TIME_PRIORITY B_REAL_TIME_DISPLAY_PRIORITY
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typedef status_t (*thread_func)(void *);
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#define thread_entry thread_func
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/* thread_entry is for backward compatibility only! Use thread_func */
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extern thread_id spawn_thread(thread_func, const char *name, int32 priority,
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void *data);
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extern status_t kill_thread(thread_id thread);
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extern status_t resume_thread(thread_id thread);
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extern status_t suspend_thread(thread_id thread);
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extern status_t rename_thread(thread_id thread, const char *newName);
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extern status_t set_thread_priority(thread_id thread, int32 newPriority);
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extern void exit_thread(status_t status);
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extern status_t wait_for_thread(thread_id thread, status_t *returnValue);
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extern status_t on_exit_thread(void (*callback)(void *), void *data);
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extern thread_id find_thread(const char *name);
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extern status_t send_data(thread_id thread, int32 code, const void *buffer,
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size_t bufferSize);
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extern int32 receive_data(thread_id *sender, void *buffer,
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size_t bufferSize);
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extern bool has_data(thread_id thread);
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extern status_t snooze(bigtime_t amount);
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extern status_t snooze_etc(bigtime_t amount, int timeBase, uint32 flags);
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extern status_t snooze_until(bigtime_t time, int timeBase);
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/* system private, use macros instead */
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extern status_t _get_thread_info(thread_id id, thread_info *info, size_t size);
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extern status_t _get_next_thread_info(team_id team, int32 *cookie,
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thread_info *info, size_t size);
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#define get_thread_info(id, info) \
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_get_thread_info((id), (info), sizeof(*(info)))
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#define get_next_thread_info(team, cookie, info) \
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_get_next_thread_info((team), (cookie), (info), sizeof(*(info)))
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/* bridge to the pthread API */
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extern thread_id get_pthread_thread_id(pthread_t thread);
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/* TODO: Would be nice to have, but we use TLS to associate a thread with its
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pthread object. So this is not trivial to implement.
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extern status_t convert_to_pthread(thread_id thread, pthread_t *_thread);
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*/
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/* Time */
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extern uint32 real_time_clock(void);
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extern void set_real_time_clock(uint32 secsSinceJan1st1970);
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extern bigtime_t real_time_clock_usecs(void);
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extern status_t set_timezone(const char *timezone);
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extern bigtime_t system_time(void);
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/* time since booting in microseconds */
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extern nanotime_t system_time_nsecs();
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/* time since booting in nanoseconds */
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/* Alarm */
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enum {
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B_ONE_SHOT_ABSOLUTE_ALARM = 1,
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B_ONE_SHOT_RELATIVE_ALARM,
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B_PERIODIC_ALARM /* "when" specifies the period */
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};
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extern bigtime_t set_alarm(bigtime_t when, uint32 flags);
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/* Debugger */
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extern void debugger(const char *message);
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/*
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calling this function with a non-zero value will cause your thread
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to receive signals for any exceptional conditions that occur (i.e.
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you'll get SIGSEGV for data access exceptions, SIGFPE for floating
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point errors, SIGILL for illegal instructions, etc).
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to re-enable the default debugger pass a zero.
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*/
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extern int disable_debugger(int state);
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/* TODO: Remove. Temporary debug helper. */
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extern void debug_printf(const char *format, ...)
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__attribute__ ((format (__printf__, 1, 2)));
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extern void debug_vprintf(const char *format, va_list args);
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extern void ktrace_printf(const char *format, ...)
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__attribute__ ((format (__printf__, 1, 2)));
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extern void ktrace_vprintf(const char *format, va_list args);
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/* System information */
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#if __INTEL__
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# define B_MAX_CPU_COUNT 8
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#elif __POWERPC__
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# define B_MAX_CPU_COUNT 8
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#elif __M68K__
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# define B_MAX_CPU_COUNT 1
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#elif __ARM__
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# define B_MAX_CPU_COUNT 1
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#elif __MIPSEL__
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# define B_MAX_CPU_COUNT 1
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#else
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# warning Unknown cpu
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# define B_MAX_CPU_COUNT 1
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#endif
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typedef enum cpu_types {
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/* TODO: add latest models */
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/* Motorola/IBM */
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B_CPU_PPC_UNKNOWN = 0,
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B_CPU_PPC_601 = 1,
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B_CPU_PPC_602 = 7,
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B_CPU_PPC_603 = 2,
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B_CPU_PPC_603e = 3,
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B_CPU_PPC_603ev = 8,
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B_CPU_PPC_604 = 4,
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B_CPU_PPC_604e = 5,
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B_CPU_PPC_604ev = 9,
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B_CPU_PPC_620 = 10,
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B_CPU_PPC_750 = 6,
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B_CPU_PPC_686 = 13,
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B_CPU_PPC_860 = 25,
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B_CPU_PPC_7400 = 26,
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B_CPU_PPC_7410 = 27,
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B_CPU_PPC_7447A = 28,
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B_CPU_PPC_7448 = 29,
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B_CPU_PPC_7450 = 30,
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B_CPU_PPC_7455 = 31,
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B_CPU_PPC_7457 = 32,
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B_CPU_PPC_8240 = 33,
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B_CPU_PPC_8245 = 34,
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B_CPU_PPC_IBM_401A1 = 35,
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B_CPU_PPC_IBM_401B2 = 36,
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B_CPU_PPC_IBM_401C2 = 37,
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B_CPU_PPC_IBM_401D2 = 38,
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B_CPU_PPC_IBM_401E2 = 39,
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B_CPU_PPC_IBM_401F2 = 40,
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B_CPU_PPC_IBM_401G2 = 41,
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B_CPU_PPC_IBM_403 = 42,
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B_CPU_PPC_IBM_405GP = 43,
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B_CPU_PPC_IBM_405L = 44,
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B_CPU_PPC_IBM_750FX = 45,
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B_CPU_PPC_IBM_POWER3 = 46,
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/* Intel */
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/* Updated according to Intel(R) Processor Identification and
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* the CPUID instruction (Table 4)
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* AP-485 Intel - 24161832.pdf
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*/
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B_CPU_INTEL_x86 = 0x1000,
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B_CPU_INTEL_PENTIUM = 0x1051,
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B_CPU_INTEL_PENTIUM75,
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B_CPU_INTEL_PENTIUM_486_OVERDRIVE,
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B_CPU_INTEL_PENTIUM_MMX,
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B_CPU_INTEL_PENTIUM_MMX_MODEL_4 = B_CPU_INTEL_PENTIUM_MMX,
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B_CPU_INTEL_PENTIUM_MMX_MODEL_8 = 0x1058,
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B_CPU_INTEL_PENTIUM75_486_OVERDRIVE,
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B_CPU_INTEL_PENTIUM_PRO = 0x1061,
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|
B_CPU_INTEL_PENTIUM_II = 0x1063,
|
|
B_CPU_INTEL_PENTIUM_II_MODEL_3 = 0x1063,
|
|
B_CPU_INTEL_PENTIUM_II_MODEL_5 = 0x1065,
|
|
B_CPU_INTEL_CELERON = 0x1066,
|
|
B_CPU_INTEL_CELERON_MODEL_22 = 0x11066,
|
|
B_CPU_INTEL_PENTIUM_III = 0x1067,
|
|
B_CPU_INTEL_PENTIUM_III_MODEL_8 = 0x1068,
|
|
B_CPU_INTEL_PENTIUM_M = 0x1069,
|
|
B_CPU_INTEL_PENTIUM_III_XEON = 0x106a,
|
|
B_CPU_INTEL_PENTIUM_III_MODEL_11 = 0x106b,
|
|
B_CPU_INTEL_ATOM = 0x1106c,
|
|
B_CPU_INTEL_PENTIUM_M_MODEL_13 = 0x106d, /* Dothan */
|
|
B_CPU_INTEL_PENTIUM_CORE,
|
|
B_CPU_INTEL_PENTIUM_CORE_2,
|
|
B_CPU_INTEL_PENTIUM_CORE_2_45_NM = 0x11067, /* Core 2 on 45 nm
|
|
(Core 2 Extreme,
|
|
Xeon model 23 or
|
|
Core 2 Duo/Quad) */
|
|
B_CPU_INTEL_PENTIUM_CORE_I5_M430 = 0x21065, /* Core i5 M 430 @ 2.27 */
|
|
B_CPU_INTEL_PENTIUM_CORE_I7 = 0x1106a, /* Core i7 920 @ 2.6(6) */
|
|
B_CPU_INTEL_PENTIUM_CORE_I7_Q720 = 0x1106e, /* Core i7 Q720 @ 1.6 */
|
|
B_CPU_INTEL_PENTIUM_IV = 0x10f0,
|
|
B_CPU_INTEL_PENTIUM_IV_MODEL_1,
|
|
B_CPU_INTEL_PENTIUM_IV_MODEL_2,
|
|
B_CPU_INTEL_PENTIUM_IV_MODEL_3,
|
|
B_CPU_INTEL_PENTIUM_IV_MODEL_4,
|
|
|
|
/* AMD */
|
|
|
|
/* Checked with "AMD Processor Recognition Application Note"
|
|
* (Table 3)
|
|
* 20734.pdf
|
|
*/
|
|
B_CPU_AMD_x86 = 0x1100,
|
|
B_CPU_AMD_K5_MODEL_0 = 0x1150,
|
|
B_CPU_AMD_K5_MODEL_1,
|
|
B_CPU_AMD_K5_MODEL_2,
|
|
B_CPU_AMD_K5_MODEL_3,
|
|
B_CPU_AMD_K6_MODEL_6 = 0x1156,
|
|
B_CPU_AMD_K6_MODEL_7 = 0x1157,
|
|
B_CPU_AMD_K6_MODEL_8 = 0x1158,
|
|
B_CPU_AMD_K6_2 = 0x1158,
|
|
B_CPU_AMD_K6_MODEL_9 = 0x1159,
|
|
B_CPU_AMD_K6_III = 0x1159,
|
|
B_CPU_AMD_K6_III_MODEL_13 = 0x115d,
|
|
|
|
B_CPU_AMD_ATHLON_MODEL_1 = 0x1161,
|
|
B_CPU_AMD_ATHLON_MODEL_2 = 0x1162,
|
|
|
|
B_CPU_AMD_DURON = 0x1163,
|
|
|
|
B_CPU_AMD_ATHLON_THUNDERBIRD = 0x1164,
|
|
B_CPU_AMD_ATHLON_XP = 0x1166,
|
|
B_CPU_AMD_ATHLON_XP_MODEL_7,
|
|
B_CPU_AMD_ATHLON_XP_MODEL_8,
|
|
B_CPU_AMD_ATHLON_XP_MODEL_10 = 0x116a, /* Barton */
|
|
|
|
B_CPU_AMD_SEMPRON_MODEL_8 = B_CPU_AMD_ATHLON_XP_MODEL_8,
|
|
B_CPU_AMD_SEMPRON_MODEL_10 = B_CPU_AMD_ATHLON_XP_MODEL_10,
|
|
|
|
/* According to "Revision Guide for AMD Family 10h
|
|
* Processors" (41322.pdf)
|
|
*/
|
|
B_CPU_AMD_PHENOM = 0x11f2,
|
|
|
|
/* According to "Revision guide for AMD Athlon 64
|
|
* and AMD Opteron Processors" (25759.pdf)
|
|
*/
|
|
B_CPU_AMD_ATHLON_64_MODEL_3 = 0x11f3,
|
|
B_CPU_AMD_ATHLON_64_MODEL_4,
|
|
B_CPU_AMD_ATHLON_64_MODEL_5,
|
|
B_CPU_AMD_OPTERON = B_CPU_AMD_ATHLON_64_MODEL_5,
|
|
B_CPU_AMD_ATHLON_64_FX = B_CPU_AMD_ATHLON_64_MODEL_5,
|
|
B_CPU_AMD_ATHLON_64_MODEL_7 = 0x11f7,
|
|
B_CPU_AMD_ATHLON_64_MODEL_8,
|
|
B_CPU_AMD_ATHLON_64_MODEL_11 = 0x11fb,
|
|
B_CPU_AMD_ATHLON_64_MODEL_12,
|
|
B_CPU_AMD_ATHLON_64_MODEL_14 = 0x11fe,
|
|
B_CPU_AMD_ATHLON_64_MODEL_15,
|
|
|
|
B_CPU_AMD_GEODE_LX = 0x115a,
|
|
|
|
/* VIA/Cyrix */
|
|
B_CPU_CYRIX_x86 = 0x1200,
|
|
B_CPU_VIA_CYRIX_x86 = 0x1200,
|
|
B_CPU_CYRIX_GXm = 0x1254,
|
|
B_CPU_CYRIX_6x86MX = 0x1260,
|
|
|
|
/* VIA/IDT */
|
|
B_CPU_IDT_x86 = 0x1300,
|
|
B_CPU_VIA_IDT_x86 = 0x1300,
|
|
B_CPU_IDT_WINCHIP_C6 = 0x1354,
|
|
B_CPU_IDT_WINCHIP_2 = 0x1358,
|
|
B_CPU_IDT_WINCHIP_3,
|
|
B_CPU_VIA_C3_SAMUEL = 0x1366,
|
|
B_CPU_VIA_C3_SAMUEL_2 = 0x1367,
|
|
B_CPU_VIA_C3_EZRA_T = 0x1368,
|
|
B_CPU_VIA_C3_NEHEMIAH = 0x1369,
|
|
B_CPU_VIA_C7_ESTHER = 0x136a,
|
|
B_CPU_VIA_C7_ESTHER_2 = 0x136d,
|
|
B_CPU_VIA_NANO_ISAIAH = 0x136f,
|
|
|
|
/* Transmeta */
|
|
B_CPU_TRANSMETA_x86 = 0x1600,
|
|
B_CPU_TRANSMETA_CRUSOE = 0x1654,
|
|
B_CPU_TRANSMETA_EFFICEON = 0x16f2,
|
|
B_CPU_TRANSMETA_EFFICEON_2 = 0x16f3,
|
|
|
|
/* Rise */
|
|
B_CPU_RISE_x86 = 0x1400,
|
|
B_CPU_RISE_mP6 = 0x1450,
|
|
|
|
/* National Semiconductor */
|
|
B_CPU_NATIONAL_x86 = 0x1500,
|
|
B_CPU_NATIONAL_GEODE_GX1 = 0x1554,
|
|
B_CPU_NATIONAL_GEODE_GX2,
|
|
|
|
/* For compatibility */
|
|
B_CPU_AMD_29K = 14,
|
|
B_CPU_x86,
|
|
B_CPU_MC6502,
|
|
B_CPU_Z80,
|
|
B_CPU_ALPHA,
|
|
B_CPU_MIPS,
|
|
B_CPU_HPPA,
|
|
B_CPU_M68K,
|
|
B_CPU_ARM,
|
|
B_CPU_SH,
|
|
B_CPU_SPARC
|
|
} cpu_type;
|
|
|
|
#define B_CPU_x86_VENDOR_MASK 0xff00
|
|
|
|
#ifdef __INTEL__
|
|
typedef union {
|
|
struct {
|
|
uint32 max_eax;
|
|
char vendor_id[12];
|
|
} eax_0;
|
|
|
|
struct {
|
|
uint32 stepping : 4;
|
|
uint32 model : 4;
|
|
uint32 family : 4;
|
|
uint32 type : 2;
|
|
uint32 reserved_0 : 2;
|
|
uint32 extended_model : 4;
|
|
uint32 extended_family : 8;
|
|
uint32 reserved_1 : 4;
|
|
|
|
uint32 brand_index : 8;
|
|
uint32 clflush : 8;
|
|
uint32 logical_cpus : 8;
|
|
uint32 apic_id : 8;
|
|
|
|
uint32 features;
|
|
uint32 extended_features;
|
|
} eax_1;
|
|
|
|
struct {
|
|
uint8 call_num;
|
|
uint8 cache_descriptors[15];
|
|
} eax_2;
|
|
|
|
struct {
|
|
uint32 reserved[2];
|
|
uint32 serial_number_high;
|
|
uint32 serial_number_low;
|
|
} eax_3;
|
|
|
|
char as_chars[16];
|
|
|
|
struct {
|
|
uint32 eax;
|
|
uint32 ebx;
|
|
uint32 edx;
|
|
uint32 ecx;
|
|
} regs;
|
|
} cpuid_info;
|
|
|
|
extern status_t get_cpuid(cpuid_info *info, uint32 eaxRegister,
|
|
uint32 cpuNum);
|
|
#endif
|
|
|
|
|
|
typedef enum platform_types {
|
|
B_BEBOX_PLATFORM = 0,
|
|
B_MAC_PLATFORM,
|
|
B_AT_CLONE_PLATFORM,
|
|
B_ENIAC_PLATFORM,
|
|
B_APPLE_II_PLATFORM,
|
|
B_CRAY_PLATFORM,
|
|
B_LISA_PLATFORM,
|
|
B_TI_994A_PLATFORM,
|
|
B_TIMEX_SINCLAIR_PLATFORM,
|
|
B_ORAC_1_PLATFORM,
|
|
B_HAL_PLATFORM,
|
|
B_BESM_6_PLATFORM,
|
|
B_MK_61_PLATFORM,
|
|
B_NINTENDO_64_PLATFORM,
|
|
B_AMIGA_PLATFORM,
|
|
B_ATARI_PLATFORM
|
|
} platform_type;
|
|
|
|
typedef struct {
|
|
bigtime_t active_time; /* usec of doing useful work since boot */
|
|
} cpu_info;
|
|
|
|
|
|
typedef int32 machine_id[2]; /* unique machine ID */
|
|
|
|
typedef struct {
|
|
machine_id id; /* unique machine ID */
|
|
bigtime_t boot_time; /* time of boot (usecs since 1/1/1970) */
|
|
|
|
int32 cpu_count; /* number of cpus */
|
|
enum cpu_types cpu_type; /* type of cpu */
|
|
int32 cpu_revision; /* revision # of cpu */
|
|
cpu_info cpu_infos[B_MAX_CPU_COUNT]; /* info about individual cpus */
|
|
int64 cpu_clock_speed; /* processor clock speed (Hz) */
|
|
int64 bus_clock_speed; /* bus clock speed (Hz) */
|
|
enum platform_types platform_type; /* type of machine we're on */
|
|
|
|
int32 max_pages; /* total # of accessible pages */
|
|
int32 used_pages; /* # of accessible pages in use */
|
|
int32 page_faults; /* # of page faults */
|
|
int32 max_sems;
|
|
int32 used_sems;
|
|
int32 max_ports;
|
|
int32 used_ports;
|
|
int32 max_threads;
|
|
int32 used_threads;
|
|
int32 max_teams;
|
|
int32 used_teams;
|
|
|
|
char kernel_name[B_FILE_NAME_LENGTH];
|
|
char kernel_build_date[B_OS_NAME_LENGTH];
|
|
char kernel_build_time[B_OS_NAME_LENGTH];
|
|
int64 kernel_version;
|
|
|
|
bigtime_t _busy_wait_time; /* reserved for whatever */
|
|
|
|
int32 cached_pages;
|
|
uint32 abi; /* the system API */
|
|
int32 ignored_pages; /* # of ignored/inaccessible pages */
|
|
int32 pad;
|
|
} system_info;
|
|
|
|
/* system private, use macro instead */
|
|
extern status_t _get_system_info(system_info *info, size_t size);
|
|
|
|
#define get_system_info(info) \
|
|
_get_system_info((info), sizeof(*(info)))
|
|
|
|
extern int32 is_computer_on(void);
|
|
extern double is_computer_on_fire(void);
|
|
|
|
|
|
/* WARNING: Experimental API! */
|
|
|
|
enum {
|
|
B_OBJECT_TYPE_FD = 0,
|
|
B_OBJECT_TYPE_SEMAPHORE = 1,
|
|
B_OBJECT_TYPE_PORT = 2,
|
|
B_OBJECT_TYPE_THREAD = 3
|
|
};
|
|
|
|
enum {
|
|
B_EVENT_READ = 0x0001, /* FD/port readable */
|
|
B_EVENT_WRITE = 0x0002, /* FD/port writable */
|
|
B_EVENT_ERROR = 0x0004, /* FD error */
|
|
B_EVENT_PRIORITY_READ = 0x0008, /* FD priority readable */
|
|
B_EVENT_PRIORITY_WRITE = 0x0010, /* FD priority writable */
|
|
B_EVENT_HIGH_PRIORITY_READ = 0x0020, /* FD high priority readable */
|
|
B_EVENT_HIGH_PRIORITY_WRITE = 0x0040, /* FD high priority writable */
|
|
B_EVENT_DISCONNECTED = 0x0080, /* FD disconnected */
|
|
|
|
B_EVENT_ACQUIRE_SEMAPHORE = 0x0001, /* semaphore can be acquired */
|
|
|
|
B_EVENT_INVALID = 0x1000 /* FD/port/sem/thread ID not or
|
|
no longer valid (e.g. has been
|
|
close/deleted) */
|
|
};
|
|
|
|
typedef struct object_wait_info {
|
|
int32 object; /* ID of the object */
|
|
uint16 type; /* type of the object */
|
|
uint16 events; /* events mask */
|
|
} object_wait_info;
|
|
|
|
/* wait_for_objects[_etc]() waits until at least one of the specified events or,
|
|
if given, the timeout occurred. When entering the function the
|
|
object_wait_info::events field specifies the events for each object the
|
|
caller is interested in. When the function returns the fields reflect the
|
|
events that actually occurred. The events B_EVENT_INVALID, B_EVENT_ERROR,
|
|
and B_EVENT_DISCONNECTED don't need to be specified. They will always be
|
|
reported, when they occur. */
|
|
|
|
extern ssize_t wait_for_objects(object_wait_info* infos, int numInfos);
|
|
extern ssize_t wait_for_objects_etc(object_wait_info* infos, int numInfos,
|
|
uint32 flags, bigtime_t timeout);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _OS_H */
|