1/*
2 * Copyright 2004-2015, Haiku, Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef _SYSTEM_SYSCALLS_H
6#define _SYSTEM_SYSCALLS_H
7
8
9#include <arch_config.h>
10#include <DiskDeviceDefs.h>
11#include <elf_private.h>
12#include <image.h>
13#include <image_defs.h>
14#include <OS.h>
15
16#include <signal.h>
17#include <sys/socket.h>
18
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24struct attr_info;
25struct dirent;
26struct event_wait_info;
27struct fd_info;
28struct fd_set;
29struct fs_info;
30struct iovec;
31struct msqid_ds;
32struct net_stat;
33struct pollfd;
34struct rlimit;
35struct scheduling_analysis;
36struct _sem_t;
37struct sembuf;
38union semun;
39struct sigaction;
40struct signal_frame_data;
41struct stat;
42struct system_profiler_parameters;
43struct user_timer_info;
44
45struct disk_device_job_progress_info;
46struct partitionable_space_data;
47struct thread_creation_attributes;
48struct user_disk_device_data;
49struct user_disk_device_job_info;
50struct user_disk_system_info;
51
52// This marks the beginning of the syscalls prototypes for gensyscallinfos.
53// NOTE:
54// * Nothing but those prototypes may live here.
55// * The arguments of the functions must be named to be processed properly.
56
57#ifdef GEN_SYSCALL_INFOS_PROCESSING
58#	define __NO_RETURN
59#	pragma syscalls begin
60#else
61#	define __NO_RETURN	__attribute__((noreturn))
62#endif
63
64extern int			_kern_is_computer_on(void);
65extern status_t		_kern_generic_syscall(const char *subsystem, uint32 function,
66						void *buffer, size_t bufferSize);
67
68extern int			_kern_getrlimit(int resource, struct rlimit * rlp);
69extern int			_kern_setrlimit(int resource, const struct rlimit * rlp);
70
71extern status_t		_kern_shutdown(bool reboot);
72extern status_t		_kern_get_safemode_option(const char *parameter,
73						char *buffer, size_t *_bufferSize);
74
75extern ssize_t		_kern_wait_for_objects(object_wait_info* infos, int numInfos,
76						uint32 flags, bigtime_t timeout);
77
78extern int			_kern_event_queue_create(int openFlags);
79extern status_t		_kern_event_queue_select(int queue,
80						struct event_wait_info* userInfos, int numInfos);
81extern ssize_t		_kern_event_queue_wait(int queue, struct event_wait_info* infos,
82						int numInfos, uint32 flags, bigtime_t timeout);
83
84/* user mutex functions */
85extern status_t		_kern_mutex_lock(int32* mutex, const char* name,
86						uint32 flags, bigtime_t timeout);
87extern status_t		_kern_mutex_unblock(int32* mutex, uint32 flags);
88extern status_t		_kern_mutex_switch_lock(int32* fromMutex, uint32 fromFlags,
89						int32* toMutex, const char* name, uint32 toflags,
90						bigtime_t timeout);
91extern status_t		_kern_mutex_sem_acquire(int32* sem, const char* name,
92						uint32 flags, bigtime_t timeout);
93extern status_t		_kern_mutex_sem_release(int32* sem, uint32 flags);
94
95/* sem functions */
96extern sem_id		_kern_create_sem(int count, const char *name);
97extern status_t		_kern_delete_sem(sem_id id);
98extern status_t		_kern_switch_sem(sem_id releaseSem, sem_id id);
99extern status_t		_kern_switch_sem_etc(sem_id releaseSem, sem_id id,
100						uint32 count, uint32 flags, bigtime_t timeout);
101extern status_t		_kern_acquire_sem(sem_id id);
102extern status_t		_kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags,
103						bigtime_t timeout);
104extern status_t		_kern_release_sem(sem_id id);
105extern status_t		_kern_release_sem_etc(sem_id id, uint32 count, uint32 flags);
106extern status_t		_kern_get_sem_count(sem_id id, int32* thread_count);
107extern status_t		_kern_get_sem_info(sem_id semaphore, struct sem_info *info,
108						size_t size);
109extern status_t		_kern_get_next_sem_info(team_id team, int32 *cookie,
110						struct sem_info *info, size_t size);
111extern status_t		_kern_set_sem_owner(sem_id id, team_id proc);
112
113/* POSIX realtime sem syscalls */
114extern status_t		_kern_realtime_sem_open(const char* name,
115						int openFlagsOrShared, mode_t mode, uint32 semCount,
116						struct _sem_t* userSem, struct _sem_t** _usedUserSem);
117extern status_t		_kern_realtime_sem_close(sem_id semID,
118						struct _sem_t** _deleteUserSem);
119extern status_t		_kern_realtime_sem_unlink(const char* name);
120
121extern status_t		_kern_realtime_sem_get_value(sem_id semID, int* value);
122extern status_t		_kern_realtime_sem_post(sem_id semID);
123extern status_t		_kern_realtime_sem_wait(sem_id semID, uint32 flags,
124						bigtime_t timeout);
125
126/* POSIX XSI semaphore syscalls */
127extern int			_kern_xsi_semget(key_t key, int numSems, int flags);
128extern int			_kern_xsi_semctl(int semID, int semNumber, int command,
129						union semun* args);
130extern status_t		_kern_xsi_semop(int semID, struct sembuf *semOps,
131						size_t numSemOps);
132
133/* POSIX XSI message queue syscalls */
134extern int			_kern_xsi_msgctl(int messageQueueID, int command,
135						struct msqid_ds *buffer);
136extern int			_kern_xsi_msgget(key_t key, int messageQueueFlags);
137extern ssize_t		_kern_xsi_msgrcv(int messageQueueID, void *messagePointer,
138						size_t messageSize, long messageType, int messageFlags);
139extern int			_kern_xsi_msgsnd(int messageQueueID,
140						const void *messagePointer, size_t messageSize,
141						int messageFlags);
142
143/* team & thread syscalls */
144extern thread_id	_kern_load_image(const char* const* flatArgs,
145						size_t flatArgsSize, int32 argCount, int32 envCount,
146						int32 priority, uint32 flags, port_id errorPort,
147						uint32 errorToken);
148extern void __NO_RETURN _kern_exit_team(status_t returnValue);
149extern status_t		_kern_kill_team(team_id team);
150extern team_id		_kern_get_current_team();
151extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
152extern pid_t		_kern_wait_for_child(thread_id child, uint32 flags,
153						siginfo_t* info, team_usage_info* usageInfo);
154extern status_t		_kern_exec(const char *path, const char* const* flatArgs,
155						size_t flatArgsSize, int32 argCount, int32 envCount,
156						mode_t umask);
157extern thread_id	_kern_fork(void);
158extern pid_t		_kern_process_info(pid_t process, int32 which);
159extern pid_t		_kern_setpgid(pid_t process, pid_t group);
160extern pid_t		_kern_setsid(void);
161extern status_t		_kern_change_root(const char *path);
162
163extern thread_id	_kern_spawn_thread(
164						struct thread_creation_attributes* attributes);
165extern thread_id	_kern_find_thread(const char *name);
166extern status_t		_kern_suspend_thread(thread_id thread);
167extern status_t		_kern_resume_thread(thread_id thread);
168extern status_t		_kern_rename_thread(thread_id thread, const char *newName);
169extern status_t		_kern_set_thread_priority(thread_id thread,
170						int32 newPriority);
171extern status_t		_kern_kill_thread(thread_id thread);
172extern void			_kern_exit_thread(status_t returnValue);
173extern status_t		_kern_cancel_thread(thread_id threadID,
174						void (*cancelFunction)(int));
175extern void			_kern_thread_yield(void);
176extern status_t		_kern_wait_for_thread(thread_id thread,
177						status_t *_returnCode);
178extern status_t		_kern_wait_for_thread_etc(thread_id thread, uint32 flags,
179						bigtime_t timeout, status_t *_returnCode);
180extern bool			_kern_has_data(thread_id thread);
181extern status_t		_kern_send_data(thread_id thread, int32 code,
182						const void *buffer, size_t bufferSize);
183extern int32		_kern_receive_data(thread_id *_sender, void *buffer,
184						size_t bufferSize);
185extern int64		_kern_restore_signal_frame(
186						struct signal_frame_data* signalFrameData);
187
188extern status_t		_kern_get_thread_info(thread_id id, thread_info *info);
189extern status_t		_kern_get_next_thread_info(team_id team, int32 *cookie,
190						thread_info *info);
191extern status_t		_kern_get_team_info(team_id id, team_info *info,
192						size_t size);
193extern status_t		_kern_get_next_team_info(int32 *cookie, team_info *info,
194						size_t size);
195extern status_t		_kern_get_team_usage_info(team_id team, int32 who,
196						team_usage_info *info, size_t size);
197extern status_t		_kern_get_extended_team_info(team_id teamID, uint32 flags,
198						void* buffer, size_t size, size_t* _sizeNeeded);
199extern int			_kern_get_cpu();
200
201extern status_t		_kern_start_watching_system(int32 object, uint32 flags,
202						port_id port, int32 token);
203extern status_t		_kern_stop_watching_system(int32 object, uint32 flags,
204						port_id port, int32 token);
205
206extern status_t		_kern_block_thread(uint32 flags, bigtime_t timeout);
207extern status_t		_kern_unblock_thread(thread_id thread, status_t status);
208extern status_t		_kern_unblock_threads(thread_id* threads, uint32 count,
209						status_t status);
210
211extern bigtime_t	_kern_estimate_max_scheduling_latency(thread_id thread);
212
213extern status_t		_kern_set_scheduler_mode(int32 mode);
214extern int32		_kern_get_scheduler_mode(void);
215
216// user/group functions
217extern gid_t		_kern_getgid(bool effective);
218extern uid_t		_kern_getuid(bool effective);
219extern status_t		_kern_setregid(gid_t rgid, gid_t egid,
220						bool setAllIfPrivileged);
221extern status_t		_kern_setreuid(uid_t ruid, uid_t euid,
222						bool setAllIfPrivileged);
223extern ssize_t		_kern_getgroups(int groupCount, gid_t* groupList);
224extern status_t		_kern_setgroups(int groupCount, const gid_t* groupList);
225
226// signal functions
227extern status_t		_kern_send_signal(int32 id, uint32 signal,
228						const union sigval* userValue, uint32 flags);
229extern status_t		_kern_set_signal_mask(int how, const sigset_t *set,
230						sigset_t *oldSet);
231extern status_t		_kern_sigaction(int sig, const struct sigaction *action,
232						struct sigaction *oldAction);
233extern status_t		_kern_sigwait(const sigset_t *set, siginfo_t *info,
234						uint32 flags, bigtime_t timeout);
235extern status_t		_kern_sigsuspend(const sigset_t *mask);
236extern status_t		_kern_sigpending(sigset_t *set);
237extern status_t		_kern_set_signal_stack(const stack_t *newStack,
238						stack_t *oldStack);
239
240// image functions
241extern image_id		_kern_register_image(extended_image_info *info,
242						size_t size);
243extern status_t		_kern_unregister_image(image_id id);
244extern void			_kern_image_relocated(image_id id);
245extern void			_kern_loading_app_failed(status_t error);
246extern status_t		_kern_get_image_info(image_id id, image_info *info,
247						size_t size);
248extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie,
249						image_info *info, size_t size);
250extern status_t		_kern_read_kernel_image_symbols(image_id id,
251						elf_sym* symbolTable, int32* _symbolCount,
252						char* stringTable, size_t* _stringTableSize,
253						addr_t* _imageDelta);
254
255// VFS functions
256extern dev_t		_kern_mount(const char *path, const char *device,
257						const char *fs_name, uint32 flags, const char *args,
258						size_t argsLength);
259extern status_t		_kern_unmount(const char *path, uint32 flags);
260extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
261extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info,
262						int mask);
263extern dev_t		_kern_next_device(int32 *_cookie);
264extern status_t		_kern_sync(void);
265extern status_t		_kern_entry_ref_to_path(dev_t device, ino_t inode,
266						const char *leaf, char *userPath, size_t pathLength);
267extern status_t		_kern_normalize_path(const char* userPath,
268						bool traverseLink, char* buffer);
269extern int			_kern_open_entry_ref(dev_t device, ino_t inode,
270						const char *name, int openMode, int perms);
271extern int			_kern_open(int fd, const char *path, int openMode,
272						int perms);
273extern int			_kern_open_dir_entry_ref(dev_t device, ino_t inode,
274						const char *name);
275extern int			_kern_open_dir(int fd, const char *path);
276extern int			_kern_open_parent_dir(int fd, char *name,
277						size_t nameLength);
278extern status_t		_kern_fcntl(int fd, int op, size_t argument);
279extern status_t		_kern_fsync(int fd);
280extern status_t		_kern_flock(int fd, int op);
281extern off_t		_kern_seek(int fd, off_t pos, int seekType);
282extern status_t		_kern_create_dir_entry_ref(dev_t device, ino_t inode,
283						const char *name, int perms);
284extern status_t		_kern_create_dir(int fd, const char *path, int perms);
285extern status_t		_kern_remove_dir(int fd, const char *path);
286extern status_t		_kern_read_link(int fd, const char *path, char *buffer,
287						size_t *_bufferSize);
288extern status_t		_kern_create_symlink(int fd, const char *path,
289						const char *toPath, int mode);
290extern status_t		_kern_create_link(int pathFD, const char *path, int toFD,
291						const char *toPath, bool traverseLeafLink);
292extern status_t		_kern_unlink(int fd, const char *path);
293extern status_t		_kern_rename(int oldDir, const char *oldpath, int newDir,
294						const char *newpath);
295extern status_t		_kern_create_fifo(int fd, const char *path, mode_t perms);
296extern status_t		_kern_create_pipe(int *fds);
297extern status_t		_kern_access(int fd, const char *path, int mode,
298						bool effectiveUserGroup);
299extern ssize_t		_kern_select(int numfds, struct fd_set *readSet,
300						struct fd_set *writeSet, struct fd_set *errorSet,
301						bigtime_t timeout, const sigset_t *sigMask);
302extern ssize_t		_kern_poll(struct pollfd *fds, int numFDs,
303						bigtime_t timeout, const sigset_t *sigMask);
304
305extern int			_kern_open_attr_dir(int fd, const char *path,
306						bool traverseLeafLink);
307extern ssize_t		_kern_read_attr(int fd, const char *attribute, off_t pos,
308						void *buffer, size_t readBytes);
309extern ssize_t		_kern_write_attr(int fd, const char *attribute, uint32 type,
310						off_t pos, const void *buffer, size_t readBytes);
311extern status_t		_kern_stat_attr(int fd, const char *attribute,
312						struct attr_info *attrInfo);
313extern int			_kern_open_attr(int fd, const char* path, const char *name,
314						uint32 type, int openMode);
315extern status_t		_kern_remove_attr(int fd, const char *name);
316extern status_t		_kern_rename_attr(int fromFile, const char *fromName,
317						int toFile, const char *toName);
318extern int			_kern_open_index_dir(dev_t device);
319extern status_t		_kern_create_index(dev_t device, const char *name,
320						uint32 type, uint32 flags);
321extern status_t		_kern_read_index_stat(dev_t device, const char *name,
322						struct stat *stat);
323extern status_t		_kern_remove_index(dev_t device, const char *name);
324extern status_t		_kern_getcwd(char *buffer, size_t size);
325extern status_t		_kern_setcwd(int fd, const char *path);
326extern int			_kern_open_query(dev_t device, const char *query,
327						size_t queryLength, uint32 flags, port_id port,
328						int32 token);
329
330// file descriptor functions
331extern ssize_t		_kern_read(int fd, off_t pos, void *buffer,
332						size_t bufferSize);
333extern ssize_t		_kern_readv(int fd, off_t pos, const struct iovec *vecs,
334						size_t count);
335extern ssize_t		_kern_write(int fd, off_t pos, const void *buffer,
336						size_t bufferSize);
337extern ssize_t		_kern_writev(int fd, off_t pos, const struct iovec *vecs,
338						size_t count);
339extern status_t		_kern_ioctl(int fd, uint32 cmd, void *data, size_t length);
340extern ssize_t		_kern_read_dir(int fd, struct dirent *buffer,
341						size_t bufferSize, uint32 maxCount);
342extern status_t		_kern_rewind_dir(int fd);
343extern status_t		_kern_read_stat(int fd, const char *path, bool traverseLink,
344						struct stat *stat, size_t statSize);
345extern status_t		_kern_write_stat(int fd, const char *path,
346						bool traverseLink, const struct stat *stat,
347						size_t statSize, int statMask);
348extern status_t		_kern_close(int fd);
349extern int			_kern_dup(int fd);
350extern int			_kern_dup2(int ofd, int nfd);
351extern status_t		_kern_lock_node(int fd);
352extern status_t		_kern_unlock_node(int fd);
353extern status_t		_kern_get_next_fd_info(team_id team, uint32 *_cookie,
354						struct fd_info *info, size_t infoSize);
355extern status_t		_kern_preallocate(int fd, off_t offset, off_t length);
356
357// socket functions
358extern int			_kern_socket(int family, int type, int protocol);
359extern status_t		_kern_bind(int socket, const struct sockaddr *address,
360						socklen_t addressLength);
361extern status_t		_kern_shutdown_socket(int socket, int how);
362extern status_t		_kern_connect(int socket, const struct sockaddr *address,
363						socklen_t addressLength);
364extern status_t		_kern_listen(int socket, int backlog);
365extern int			_kern_accept(int socket, struct sockaddr *address,
366						socklen_t *_addressLength);
367extern ssize_t		_kern_recv(int socket, void *data, size_t length,
368						int flags);
369extern ssize_t		_kern_recvfrom(int socket, void *data, size_t length,
370						int flags, struct sockaddr *address,
371						socklen_t *_addressLength);
372extern ssize_t		_kern_recvmsg(int socket, struct msghdr *message,
373						int flags);
374extern ssize_t		_kern_send(int socket, const void *data, size_t length,
375						int flags);
376extern ssize_t		_kern_sendto(int socket, const void *data, size_t length,
377						int flags, const struct sockaddr *address,
378						socklen_t addressLength);
379extern ssize_t		_kern_sendmsg(int socket, const struct msghdr *message,
380						int flags);
381extern status_t		_kern_getsockopt(int socket, int level, int option,
382						void *value, socklen_t *_length);
383extern status_t		_kern_setsockopt(int socket, int level, int option,
384						const void *value, socklen_t length);
385extern status_t		_kern_getpeername(int socket, struct sockaddr *address,
386						socklen_t *_addressLength);
387extern status_t		_kern_getsockname(int socket, struct sockaddr *address,
388						socklen_t *_addressLength);
389extern int			_kern_sockatmark(int socket);
390extern status_t		_kern_socketpair(int family, int type, int protocol,
391						int *socketVector);
392extern status_t		_kern_get_next_socket_stat(int family, uint32 *cookie,
393						struct net_stat *stat);
394
395// node monitor functions
396extern status_t		_kern_stop_notifying(port_id port, uint32 token);
397extern status_t		_kern_start_watching(dev_t device, ino_t node, uint32 flags,
398						port_id port, uint32 token);
399extern status_t		_kern_stop_watching(dev_t device, ino_t node, port_id port,
400						uint32 token);
401
402// time functions
403extern status_t		_kern_set_real_time_clock(bigtime_t time);
404extern status_t		_kern_set_timezone(int32 timezoneOffset, const char *name,
405						size_t nameLength);
406extern status_t		_kern_get_timezone(int32 *_timezoneOffset, char *name,
407						size_t nameLength);
408extern status_t		_kern_set_real_time_clock_is_gmt(bool isGMT);
409extern status_t		_kern_get_real_time_clock_is_gmt(bool *_isGMT);
410
411extern status_t		_kern_get_clock(clockid_t clockID, bigtime_t* _time);
412extern status_t		_kern_set_clock(clockid_t clockID, bigtime_t time);
413
414extern bigtime_t	_kern_system_time();
415extern status_t		_kern_snooze_etc(bigtime_t time, int timebase, int32 flags,
416						bigtime_t* _remainingTime);
417
418extern int32		_kern_create_timer(clockid_t clockID, thread_id threadID,
419						uint32 flags, const struct sigevent* event,
420						const struct thread_creation_attributes*
421							threadAttributes);
422extern status_t		_kern_delete_timer(int32 timerID, thread_id threadID);
423extern status_t		_kern_get_timer(int32 timerID, thread_id threadID,
424						struct user_timer_info* info);
425extern status_t		_kern_set_timer(int32 timerID, thread_id threadID,
426						bigtime_t startTime, bigtime_t interval, uint32 flags,
427						struct user_timer_info* oldInfo);
428
429// area functions
430extern area_id		_kern_create_area(const char *name, void **address,
431						uint32 addressSpec, size_t size, uint32 lock,
432						uint32 protection);
433extern status_t		_kern_delete_area(area_id area);
434extern area_id		_kern_area_for(void *address);
435extern area_id		_kern_find_area(const char *name);
436extern status_t		_kern_get_area_info(area_id area, area_info *info);
437extern status_t		_kern_get_next_area_info(team_id team, ssize_t *cookie,
438						area_info *info);
439extern status_t		_kern_resize_area(area_id area, size_t newSize);
440extern area_id		_kern_transfer_area(area_id area, void **_address,
441						uint32 addressSpec, team_id target);
442extern status_t		_kern_set_area_protection(area_id area,
443						uint32 newProtection);
444extern area_id		_kern_clone_area(const char *name, void **_address,
445						uint32 addressSpec, uint32 protection,
446						area_id sourceArea);
447extern status_t		_kern_reserve_address_range(addr_t* _address,
448						uint32 addressSpec, addr_t size);
449extern status_t		_kern_unreserve_address_range(addr_t address, addr_t size);
450
451extern area_id		_kern_map_file(const char *name, void **address,
452						uint32 addressSpec, size_t size, uint32 protection,
453						uint32 mapping, bool unmapAddressRange, int fd,
454						off_t offset);
455extern status_t		_kern_unmap_memory(void *address, size_t size);
456extern status_t		_kern_set_memory_protection(void *address, size_t size,
457						uint32 protection);
458extern status_t		_kern_sync_memory(void *address, size_t size, int flags);
459extern status_t		_kern_memory_advice(void *address, size_t size,
460						uint32 advice);
461
462extern status_t		_kern_get_memory_properties(team_id teamID,
463						const void *address, uint32* _protected, uint32* _lock);
464
465extern status_t		_kern_mlock(const void* address, size_t size);
466extern status_t		_kern_munlock(const void* address, size_t size);
467
468/* kernel port functions */
469extern port_id		_kern_create_port(int32 queue_length, const char *name);
470extern status_t		_kern_close_port(port_id id);
471extern status_t		_kern_delete_port(port_id id);
472extern port_id		_kern_find_port(const char *port_name);
473extern status_t		_kern_get_port_info(port_id id, struct port_info *info);
474extern status_t		_kern_get_next_port_info(team_id team, int32 *cookie,
475						struct port_info *info);
476extern ssize_t		_kern_port_buffer_size_etc(port_id port, uint32 flags,
477						bigtime_t timeout);
478extern int32		_kern_port_count(port_id port);
479extern ssize_t		_kern_read_port_etc(port_id port, int32 *msgCode,
480						void *msgBuffer, size_t bufferSize, uint32 flags,
481						bigtime_t timeout);
482extern status_t		_kern_set_port_owner(port_id port, team_id team);
483extern status_t		_kern_write_port_etc(port_id port, int32 msgCode,
484						const void *msgBuffer, size_t bufferSize, uint32 flags,
485						bigtime_t timeout);
486extern status_t		_kern_writev_port_etc(port_id id, int32 msgCode,
487						const struct iovec *msgVecs, size_t vecCount,
488						size_t bufferSize, uint32 flags, bigtime_t timeout);
489extern status_t		_kern_get_port_message_info_etc(port_id port,
490						port_message_info *info, size_t infoSize, uint32 flags,
491						bigtime_t timeout);
492
493// debug support functions
494extern status_t		_kern_kernel_debugger(const char *message);
495extern void			_kern_register_syslog_daemon(port_id port);
496extern void			_kern_debugger(const char *message);
497extern int			_kern_disable_debugger(int state);
498
499extern status_t		_kern_install_default_debugger(port_id debuggerPort);
500extern port_id		_kern_install_team_debugger(team_id team,
501						port_id debuggerPort);
502extern status_t		_kern_remove_team_debugger(team_id team);
503extern status_t		_kern_debug_thread(thread_id thread);
504extern void			_kern_wait_for_debugger(void);
505
506extern status_t		_kern_set_debugger_breakpoint(void *address, uint32 type,
507						int32 length, bool watchpoint);
508extern status_t		_kern_clear_debugger_breakpoint(void *address,
509						bool watchpoint);
510
511extern status_t		_kern_system_profiler_start(
512						struct system_profiler_parameters* parameters);
513extern status_t		_kern_system_profiler_next_buffer(size_t bytesRead,
514						uint64* _droppedEvents);
515extern status_t		_kern_system_profiler_stop();
516extern status_t		_kern_system_profiler_recorded(
517						struct system_profiler_parameters* parameters);
518
519/* atomic_* ops (needed for CPUs that don't support them directly) */
520#ifdef ATOMIC_FUNCS_ARE_SYSCALLS
521extern void		_kern_atomic_set(int32 *value, int32 newValue);
522extern int32		_kern_atomic_get_and_set(int32 *value, int32 newValue);
523extern int32		_kern_atomic_test_and_set(int32 *value, int32 newValue,
524						int32 testAgainst);
525extern int32		_kern_atomic_add(int32 *value, int32 addValue);
526extern int32		_kern_atomic_and(int32 *value, int32 andValue);
527extern int32		_kern_atomic_or(int32 *value, int32 orValue);
528extern int32		_kern_atomic_get(int32 *value);
529#endif	// ATOMIC_FUNCS_ARE_SYSCALLS
530
531#ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
532extern void		_kern_atomic_set64(int64 *value, int64 newValue);
533extern int64		_kern_atomic_get_and_set64(int64 *value, int64 newValue);
534extern int64		_kern_atomic_test_and_set64(int64 *value, int64 newValue,
535						int64 testAgainst);
536extern int64		_kern_atomic_add64(int64 *value, int64 addValue);
537extern int64		_kern_atomic_and64(int64 *value, int64 andValue);
538extern int64		_kern_atomic_or64(int64 *value, int64 orValue);
539extern int64		_kern_atomic_get64(int64 *value);
540#endif	// ATOMIC64_FUNCS_ARE_SYSCALLS
541
542/* System informations */
543extern status_t		_kern_get_system_info(system_info* info);
544extern status_t		_kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount,
545						cpu_info* info);
546extern status_t		_kern_get_cpu_topology_info(
547						cpu_topology_node_info* topologyInfos,
548						uint32* topologyInfoCount);
549
550extern status_t		_kern_analyze_scheduling(bigtime_t from, bigtime_t until,
551						void* buffer, size_t size,
552						struct scheduling_analysis* analysis);
553
554/* Debug output */
555extern void			_kern_debug_output(const char *message);
556extern void			_kern_ktrace_output(const char *message);
557extern status_t		_kern_frame_buffer_update(addr_t baseAddress, int32 width,
558						int32 height, int32 depth, int32 bytesPerRow);
559
560/* messaging service */
561extern area_id		_kern_register_messaging_service(sem_id lockingSem,
562						sem_id counterSem);
563extern status_t		_kern_unregister_messaging_service();
564
565extern void			_kern_clear_caches(void *address, size_t length,
566						uint32 flags);
567extern bool			_kern_cpu_enabled(int32 cpu);
568extern status_t		_kern_set_cpu_enabled(int32 cpu, bool enabled);
569
570#if defined(__i386__) || defined(__x86_64__)
571// our only x86 only syscall
572extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
573#endif
574
575
576/* Disk Device Manager syscalls */
577
578// iterating, retrieving device/partition data
579extern partition_id	_kern_get_next_disk_device_id(int32 *cookie,
580						size_t *neededSize);
581extern partition_id	_kern_find_disk_device(const char *filename,
582						size_t *neededSize);
583extern partition_id	_kern_find_partition(const char *filename,
584						size_t *neededSize);
585extern partition_id	_kern_find_file_disk_device(const char *filename,
586						size_t *neededSize);
587extern status_t		_kern_get_disk_device_data(partition_id deviceID,
588						bool deviceOnly, struct user_disk_device_data *buffer,
589						size_t bufferSize, size_t *neededSize);
590extern partition_id	_kern_register_file_device(const char *filename);
591extern status_t		_kern_unregister_file_device(partition_id deviceID,
592						const char *filename);
593	// Only a valid deviceID or filename need to be passed. The other one
594	// is -1/NULL. If both is given only filename is ignored.
595extern status_t		_kern_get_file_disk_device_path(partition_id id,
596						char* buffer, size_t bufferSize);
597
598// disk systems
599extern status_t		_kern_get_disk_system_info(disk_system_id id,
600						struct user_disk_system_info *info);
601extern status_t		_kern_get_next_disk_system_info(int32 *cookie,
602						struct user_disk_system_info *info);
603extern status_t		_kern_find_disk_system(const char *name,
604						struct user_disk_system_info *info);
605
606// disk device modification
607extern status_t		_kern_defragment_partition(partition_id partitionID,
608						int32* changeCounter);
609extern status_t		_kern_repair_partition(partition_id partitionID,
610						int32* changeCounter, bool checkOnly);
611extern status_t		_kern_resize_partition(partition_id partitionID,
612						int32* changeCounter, partition_id childID,
613						int32* childChangeCounter, off_t size,
614						off_t contentSize);
615extern status_t		_kern_move_partition(partition_id partitionID,
616						int32* changeCounter, partition_id childID,
617						int32* childChangeCounter, off_t newOffset,
618						partition_id* descendantIDs,
619						int32* descendantChangeCounters, int32 descendantCount);
620extern status_t		_kern_set_partition_name(partition_id partitionID,
621						int32* changeCounter, partition_id childID,
622						int32* childChangeCounter, const char* name);
623extern status_t		_kern_set_partition_content_name(partition_id partitionID,
624						int32* changeCounter, const char* name);
625extern status_t		_kern_set_partition_type(partition_id partitionID,
626						int32* changeCounter, partition_id childID,
627						int32* childChangeCounter, const char* type);
628extern status_t		_kern_set_partition_parameters(partition_id partitionID,
629						int32* changeCounter, partition_id childID,
630						int32* childChangeCounter, const char* parameters);
631extern status_t		_kern_set_partition_content_parameters(
632						partition_id partitionID, int32* changeCounter,
633						const char* parameters);
634extern status_t		_kern_initialize_partition(partition_id partitionID,
635						int32* changeCounter, const char* diskSystemName,
636						const char* name, const char* parameters);
637extern status_t		_kern_uninitialize_partition(partition_id partitionID,
638						int32* changeCounter, partition_id parentID,
639						int32* parentChangeCounter);
640extern status_t		_kern_create_child_partition(partition_id partitionID,
641						int32* changeCounter, off_t offset, off_t size,
642						const char* type, const char* name,
643						const char* parameters, partition_id* childID,
644						int32* childChangeCounter);
645extern status_t		_kern_delete_child_partition(partition_id partitionID,
646						int32* changeCounter, partition_id childID,
647						int32 childChangeCounter);
648
649// disk change notification
650extern status_t		_kern_start_watching_disks(uint32 eventMask, port_id port,
651						int32 token);
652extern status_t		_kern_stop_watching_disks(port_id port, int32 token);
653
654
655// The end mark for gensyscallinfos.
656#ifdef GEN_SYSCALL_INFOS_PROCESSING
657#pragma syscalls end
658#endif
659
660#undef __NO_RETURN
661
662#ifdef __cplusplus
663}
664#endif
665
666#endif	/* _SYSTEM_SYSCALLS_H */
667