xref: /haiku/headers/private/system/syscalls.h (revision 3386b8b7858f5659c205b8f088eb568692699591)
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
21 extern "C" {
22 #endif
23 
24 struct attr_info;
25 struct dirent;
26 struct event_wait_info;
27 struct fd_info;
28 struct fd_set;
29 struct fs_info;
30 struct iovec;
31 struct msqid_ds;
32 struct net_stat;
33 struct pollfd;
34 struct rlimit;
35 struct scheduling_analysis;
36 struct _sem_t;
37 struct sembuf;
38 union semun;
39 struct sigaction;
40 struct signal_frame_data;
41 struct stat;
42 struct system_profiler_parameters;
43 struct user_timer_info;
44 
45 struct disk_device_job_progress_info;
46 struct partitionable_space_data;
47 struct thread_creation_attributes;
48 struct user_disk_device_data;
49 struct user_disk_device_job_info;
50 struct 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 
64 extern int			_kern_is_computer_on(void);
65 extern status_t		_kern_generic_syscall(const char *subsystem, uint32 function,
66 						void *buffer, size_t bufferSize);
67 
68 extern int			_kern_getrlimit(int resource, struct rlimit * rlp);
69 extern int			_kern_setrlimit(int resource, const struct rlimit * rlp);
70 
71 extern status_t		_kern_shutdown(bool reboot);
72 extern status_t		_kern_get_safemode_option(const char *parameter,
73 						char *buffer, size_t *_bufferSize);
74 
75 extern ssize_t		_kern_wait_for_objects(object_wait_info* infos, int numInfos,
76 						uint32 flags, bigtime_t timeout);
77 
78 extern int			_kern_event_queue_create(int openFlags);
79 extern status_t		_kern_event_queue_select(int queue,
80 						struct event_wait_info* userInfos, int numInfos);
81 extern 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 */
85 extern status_t		_kern_mutex_lock(int32* mutex, const char* name,
86 						uint32 flags, bigtime_t timeout);
87 extern status_t		_kern_mutex_unblock(int32* mutex, uint32 flags);
88 extern status_t		_kern_mutex_switch_lock(int32* fromMutex, uint32 fromFlags,
89 						int32* toMutex, const char* name, uint32 toflags,
90 						bigtime_t timeout);
91 extern status_t		_kern_mutex_sem_acquire(int32* sem, const char* name,
92 						uint32 flags, bigtime_t timeout);
93 extern status_t		_kern_mutex_sem_release(int32* sem, uint32 flags);
94 
95 /* sem functions */
96 extern sem_id		_kern_create_sem(int count, const char *name);
97 extern status_t		_kern_delete_sem(sem_id id);
98 extern status_t		_kern_switch_sem(sem_id releaseSem, sem_id id);
99 extern status_t		_kern_switch_sem_etc(sem_id releaseSem, sem_id id,
100 						uint32 count, uint32 flags, bigtime_t timeout);
101 extern status_t		_kern_acquire_sem(sem_id id);
102 extern status_t		_kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags,
103 						bigtime_t timeout);
104 extern status_t		_kern_release_sem(sem_id id);
105 extern status_t		_kern_release_sem_etc(sem_id id, uint32 count, uint32 flags);
106 extern status_t		_kern_get_sem_count(sem_id id, int32* thread_count);
107 extern status_t		_kern_get_sem_info(sem_id semaphore, struct sem_info *info,
108 						size_t size);
109 extern status_t		_kern_get_next_sem_info(team_id team, int32 *cookie,
110 						struct sem_info *info, size_t size);
111 extern status_t		_kern_set_sem_owner(sem_id id, team_id proc);
112 
113 /* POSIX realtime sem syscalls */
114 extern 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);
117 extern status_t		_kern_realtime_sem_close(sem_id semID,
118 						struct _sem_t** _deleteUserSem);
119 extern status_t		_kern_realtime_sem_unlink(const char* name);
120 
121 extern status_t		_kern_realtime_sem_get_value(sem_id semID, int* value);
122 extern status_t		_kern_realtime_sem_post(sem_id semID);
123 extern status_t		_kern_realtime_sem_wait(sem_id semID, uint32 flags,
124 						bigtime_t timeout);
125 
126 /* POSIX XSI semaphore syscalls */
127 extern int			_kern_xsi_semget(key_t key, int numSems, int flags);
128 extern int			_kern_xsi_semctl(int semID, int semNumber, int command,
129 						union semun* args);
130 extern status_t		_kern_xsi_semop(int semID, struct sembuf *semOps,
131 						size_t numSemOps);
132 
133 /* POSIX XSI message queue syscalls */
134 extern int			_kern_xsi_msgctl(int messageQueueID, int command,
135 						struct msqid_ds *buffer);
136 extern int			_kern_xsi_msgget(key_t key, int messageQueueFlags);
137 extern ssize_t		_kern_xsi_msgrcv(int messageQueueID, void *messagePointer,
138 						size_t messageSize, long messageType, int messageFlags);
139 extern int			_kern_xsi_msgsnd(int messageQueueID,
140 						const void *messagePointer, size_t messageSize,
141 						int messageFlags);
142 
143 /* team & thread syscalls */
144 extern 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);
148 extern void __NO_RETURN _kern_exit_team(status_t returnValue);
149 extern status_t		_kern_kill_team(team_id team);
150 extern team_id		_kern_get_current_team();
151 extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
152 extern pid_t		_kern_wait_for_child(thread_id child, uint32 flags,
153 						siginfo_t* info, team_usage_info* usageInfo);
154 extern status_t		_kern_exec(const char *path, const char* const* flatArgs,
155 						size_t flatArgsSize, int32 argCount, int32 envCount,
156 						mode_t umask);
157 extern thread_id	_kern_fork(void);
158 extern pid_t		_kern_process_info(pid_t process, int32 which);
159 extern pid_t		_kern_setpgid(pid_t process, pid_t group);
160 extern pid_t		_kern_setsid(void);
161 extern status_t		_kern_change_root(const char *path);
162 
163 extern thread_id	_kern_spawn_thread(
164 						struct thread_creation_attributes* attributes);
165 extern thread_id	_kern_find_thread(const char *name);
166 extern status_t		_kern_suspend_thread(thread_id thread);
167 extern status_t		_kern_resume_thread(thread_id thread);
168 extern status_t		_kern_rename_thread(thread_id thread, const char *newName);
169 extern status_t		_kern_set_thread_priority(thread_id thread,
170 						int32 newPriority);
171 extern status_t		_kern_kill_thread(thread_id thread);
172 extern void			_kern_exit_thread(status_t returnValue);
173 extern status_t		_kern_cancel_thread(thread_id threadID,
174 						void (*cancelFunction)(int));
175 extern void			_kern_thread_yield(void);
176 extern status_t		_kern_wait_for_thread(thread_id thread,
177 						status_t *_returnCode);
178 extern status_t		_kern_wait_for_thread_etc(thread_id thread, uint32 flags,
179 						bigtime_t timeout, status_t *_returnCode);
180 extern bool			_kern_has_data(thread_id thread);
181 extern status_t		_kern_send_data(thread_id thread, int32 code,
182 						const void *buffer, size_t bufferSize);
183 extern int32		_kern_receive_data(thread_id *_sender, void *buffer,
184 						size_t bufferSize);
185 extern int64		_kern_restore_signal_frame(
186 						struct signal_frame_data* signalFrameData);
187 
188 extern status_t		_kern_get_thread_info(thread_id id, thread_info *info);
189 extern status_t		_kern_get_next_thread_info(team_id team, int32 *cookie,
190 						thread_info *info);
191 extern status_t		_kern_get_team_info(team_id id, team_info *info,
192 						size_t size);
193 extern status_t		_kern_get_next_team_info(int32 *cookie, team_info *info,
194 						size_t size);
195 extern status_t		_kern_get_team_usage_info(team_id team, int32 who,
196 						team_usage_info *info, size_t size);
197 extern status_t		_kern_get_extended_team_info(team_id teamID, uint32 flags,
198 						void* buffer, size_t size, size_t* _sizeNeeded);
199 
200 extern status_t		_kern_start_watching_system(int32 object, uint32 flags,
201 						port_id port, int32 token);
202 extern status_t		_kern_stop_watching_system(int32 object, uint32 flags,
203 						port_id port, int32 token);
204 
205 extern status_t		_kern_block_thread(uint32 flags, bigtime_t timeout);
206 extern status_t		_kern_unblock_thread(thread_id thread, status_t status);
207 extern status_t		_kern_unblock_threads(thread_id* threads, uint32 count,
208 						status_t status);
209 
210 extern bigtime_t	_kern_estimate_max_scheduling_latency(thread_id thread);
211 
212 extern status_t		_kern_set_scheduler_mode(int32 mode);
213 extern int32		_kern_get_scheduler_mode(void);
214 
215 // user/group functions
216 extern gid_t		_kern_getgid(bool effective);
217 extern uid_t		_kern_getuid(bool effective);
218 extern status_t		_kern_setregid(gid_t rgid, gid_t egid,
219 						bool setAllIfPrivileged);
220 extern status_t		_kern_setreuid(uid_t ruid, uid_t euid,
221 						bool setAllIfPrivileged);
222 extern ssize_t		_kern_getgroups(int groupCount, gid_t* groupList);
223 extern status_t		_kern_setgroups(int groupCount, const gid_t* groupList);
224 
225 // signal functions
226 extern status_t		_kern_send_signal(int32 id, uint32 signal,
227 						const union sigval* userValue, uint32 flags);
228 extern status_t		_kern_set_signal_mask(int how, const sigset_t *set,
229 						sigset_t *oldSet);
230 extern status_t		_kern_sigaction(int sig, const struct sigaction *action,
231 						struct sigaction *oldAction);
232 extern status_t		_kern_sigwait(const sigset_t *set, siginfo_t *info,
233 						uint32 flags, bigtime_t timeout);
234 extern status_t		_kern_sigsuspend(const sigset_t *mask);
235 extern status_t		_kern_sigpending(sigset_t *set);
236 extern status_t		_kern_set_signal_stack(const stack_t *newStack,
237 						stack_t *oldStack);
238 
239 // image functions
240 extern image_id		_kern_register_image(extended_image_info *info,
241 						size_t size);
242 extern status_t		_kern_unregister_image(image_id id);
243 extern void			_kern_image_relocated(image_id id);
244 extern void			_kern_loading_app_failed(status_t error);
245 extern status_t		_kern_get_image_info(image_id id, image_info *info,
246 						size_t size);
247 extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie,
248 						image_info *info, size_t size);
249 extern status_t		_kern_read_kernel_image_symbols(image_id id,
250 						elf_sym* symbolTable, int32* _symbolCount,
251 						char* stringTable, size_t* _stringTableSize,
252 						addr_t* _imageDelta);
253 
254 // VFS functions
255 extern dev_t		_kern_mount(const char *path, const char *device,
256 						const char *fs_name, uint32 flags, const char *args,
257 						size_t argsLength);
258 extern status_t		_kern_unmount(const char *path, uint32 flags);
259 extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
260 extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info,
261 						int mask);
262 extern dev_t		_kern_next_device(int32 *_cookie);
263 extern status_t		_kern_sync(void);
264 extern status_t		_kern_entry_ref_to_path(dev_t device, ino_t inode,
265 						const char *leaf, char *userPath, size_t pathLength);
266 extern status_t		_kern_normalize_path(const char* userPath,
267 						bool traverseLink, char* buffer);
268 extern int			_kern_open_entry_ref(dev_t device, ino_t inode,
269 						const char *name, int openMode, int perms);
270 extern int			_kern_open(int fd, const char *path, int openMode,
271 						int perms);
272 extern int			_kern_open_dir_entry_ref(dev_t device, ino_t inode,
273 						const char *name);
274 extern int			_kern_open_dir(int fd, const char *path);
275 extern int			_kern_open_parent_dir(int fd, char *name,
276 						size_t nameLength);
277 extern status_t		_kern_fcntl(int fd, int op, size_t argument);
278 extern status_t		_kern_fsync(int fd);
279 extern status_t		_kern_flock(int fd, int op);
280 extern off_t		_kern_seek(int fd, off_t pos, int seekType);
281 extern status_t		_kern_create_dir_entry_ref(dev_t device, ino_t inode,
282 						const char *name, int perms);
283 extern status_t		_kern_create_dir(int fd, const char *path, int perms);
284 extern status_t		_kern_remove_dir(int fd, const char *path);
285 extern status_t		_kern_read_link(int fd, const char *path, char *buffer,
286 						size_t *_bufferSize);
287 extern status_t		_kern_create_symlink(int fd, const char *path,
288 						const char *toPath, int mode);
289 extern status_t		_kern_create_link(int pathFD, const char *path, int toFD,
290 						const char *toPath, bool traverseLeafLink);
291 extern status_t		_kern_unlink(int fd, const char *path);
292 extern status_t		_kern_rename(int oldDir, const char *oldpath, int newDir,
293 						const char *newpath);
294 extern status_t		_kern_create_fifo(int fd, const char *path, mode_t perms);
295 extern status_t		_kern_create_pipe(int *fds);
296 extern status_t		_kern_access(int fd, const char *path, int mode,
297 						bool effectiveUserGroup);
298 extern ssize_t		_kern_select(int numfds, struct fd_set *readSet,
299 						struct fd_set *writeSet, struct fd_set *errorSet,
300 						bigtime_t timeout, const sigset_t *sigMask);
301 extern ssize_t		_kern_poll(struct pollfd *fds, int numFDs,
302 						bigtime_t timeout, const sigset_t *sigMask);
303 
304 extern int			_kern_open_attr_dir(int fd, const char *path,
305 						bool traverseLeafLink);
306 extern ssize_t		_kern_read_attr(int fd, const char *attribute, off_t pos,
307 						void *buffer, size_t readBytes);
308 extern ssize_t		_kern_write_attr(int fd, const char *attribute, uint32 type,
309 						off_t pos, const void *buffer, size_t readBytes);
310 extern status_t		_kern_stat_attr(int fd, const char *attribute,
311 						struct attr_info *attrInfo);
312 extern int			_kern_open_attr(int fd, const char* path, const char *name,
313 						uint32 type, int openMode);
314 extern status_t		_kern_remove_attr(int fd, const char *name);
315 extern status_t		_kern_rename_attr(int fromFile, const char *fromName,
316 						int toFile, const char *toName);
317 extern int			_kern_open_index_dir(dev_t device);
318 extern status_t		_kern_create_index(dev_t device, const char *name,
319 						uint32 type, uint32 flags);
320 extern status_t		_kern_read_index_stat(dev_t device, const char *name,
321 						struct stat *stat);
322 extern status_t		_kern_remove_index(dev_t device, const char *name);
323 extern status_t		_kern_getcwd(char *buffer, size_t size);
324 extern status_t		_kern_setcwd(int fd, const char *path);
325 extern int			_kern_open_query(dev_t device, const char *query,
326 						size_t queryLength, uint32 flags, port_id port,
327 						int32 token);
328 
329 // file descriptor functions
330 extern ssize_t		_kern_read(int fd, off_t pos, void *buffer,
331 						size_t bufferSize);
332 extern ssize_t		_kern_readv(int fd, off_t pos, const struct iovec *vecs,
333 						size_t count);
334 extern ssize_t		_kern_write(int fd, off_t pos, const void *buffer,
335 						size_t bufferSize);
336 extern ssize_t		_kern_writev(int fd, off_t pos, const struct iovec *vecs,
337 						size_t count);
338 extern status_t		_kern_ioctl(int fd, uint32 cmd, void *data, size_t length);
339 extern ssize_t		_kern_read_dir(int fd, struct dirent *buffer,
340 						size_t bufferSize, uint32 maxCount);
341 extern status_t		_kern_rewind_dir(int fd);
342 extern status_t		_kern_read_stat(int fd, const char *path, bool traverseLink,
343 						struct stat *stat, size_t statSize);
344 extern status_t		_kern_write_stat(int fd, const char *path,
345 						bool traverseLink, const struct stat *stat,
346 						size_t statSize, int statMask);
347 extern status_t		_kern_close(int fd);
348 extern int			_kern_dup(int fd);
349 extern int			_kern_dup2(int ofd, int nfd);
350 extern status_t		_kern_lock_node(int fd);
351 extern status_t		_kern_unlock_node(int fd);
352 extern status_t		_kern_get_next_fd_info(team_id team, uint32 *_cookie,
353 						struct fd_info *info, size_t infoSize);
354 extern status_t		_kern_preallocate(int fd, off_t offset, off_t length);
355 
356 // socket functions
357 extern int			_kern_socket(int family, int type, int protocol);
358 extern status_t		_kern_bind(int socket, const struct sockaddr *address,
359 						socklen_t addressLength);
360 extern status_t		_kern_shutdown_socket(int socket, int how);
361 extern status_t		_kern_connect(int socket, const struct sockaddr *address,
362 						socklen_t addressLength);
363 extern status_t		_kern_listen(int socket, int backlog);
364 extern int			_kern_accept(int socket, struct sockaddr *address,
365 						socklen_t *_addressLength);
366 extern ssize_t		_kern_recv(int socket, void *data, size_t length,
367 						int flags);
368 extern ssize_t		_kern_recvfrom(int socket, void *data, size_t length,
369 						int flags, struct sockaddr *address,
370 						socklen_t *_addressLength);
371 extern ssize_t		_kern_recvmsg(int socket, struct msghdr *message,
372 						int flags);
373 extern ssize_t		_kern_send(int socket, const void *data, size_t length,
374 						int flags);
375 extern ssize_t		_kern_sendto(int socket, const void *data, size_t length,
376 						int flags, const struct sockaddr *address,
377 						socklen_t addressLength);
378 extern ssize_t		_kern_sendmsg(int socket, const struct msghdr *message,
379 						int flags);
380 extern status_t		_kern_getsockopt(int socket, int level, int option,
381 						void *value, socklen_t *_length);
382 extern status_t		_kern_setsockopt(int socket, int level, int option,
383 						const void *value, socklen_t length);
384 extern status_t		_kern_getpeername(int socket, struct sockaddr *address,
385 						socklen_t *_addressLength);
386 extern status_t		_kern_getsockname(int socket, struct sockaddr *address,
387 						socklen_t *_addressLength);
388 extern int			_kern_sockatmark(int socket);
389 extern status_t		_kern_socketpair(int family, int type, int protocol,
390 						int *socketVector);
391 extern status_t		_kern_get_next_socket_stat(int family, uint32 *cookie,
392 						struct net_stat *stat);
393 
394 // node monitor functions
395 extern status_t		_kern_stop_notifying(port_id port, uint32 token);
396 extern status_t		_kern_start_watching(dev_t device, ino_t node, uint32 flags,
397 						port_id port, uint32 token);
398 extern status_t		_kern_stop_watching(dev_t device, ino_t node, port_id port,
399 						uint32 token);
400 
401 // time functions
402 extern status_t		_kern_set_real_time_clock(bigtime_t time);
403 extern status_t		_kern_set_timezone(int32 timezoneOffset, const char *name,
404 						size_t nameLength);
405 extern status_t		_kern_get_timezone(int32 *_timezoneOffset, char *name,
406 						size_t nameLength);
407 extern status_t		_kern_set_real_time_clock_is_gmt(bool isGMT);
408 extern status_t		_kern_get_real_time_clock_is_gmt(bool *_isGMT);
409 
410 extern status_t		_kern_get_clock(clockid_t clockID, bigtime_t* _time);
411 extern status_t		_kern_set_clock(clockid_t clockID, bigtime_t time);
412 
413 extern bigtime_t	_kern_system_time();
414 extern status_t		_kern_snooze_etc(bigtime_t time, int timebase, int32 flags,
415 						bigtime_t* _remainingTime);
416 
417 extern int32		_kern_create_timer(clockid_t clockID, thread_id threadID,
418 						uint32 flags, const struct sigevent* event,
419 						const struct thread_creation_attributes*
420 							threadAttributes);
421 extern status_t		_kern_delete_timer(int32 timerID, thread_id threadID);
422 extern status_t		_kern_get_timer(int32 timerID, thread_id threadID,
423 						struct user_timer_info* info);
424 extern status_t		_kern_set_timer(int32 timerID, thread_id threadID,
425 						bigtime_t startTime, bigtime_t interval, uint32 flags,
426 						struct user_timer_info* oldInfo);
427 
428 // area functions
429 extern area_id		_kern_create_area(const char *name, void **address,
430 						uint32 addressSpec, size_t size, uint32 lock,
431 						uint32 protection);
432 extern status_t		_kern_delete_area(area_id area);
433 extern area_id		_kern_area_for(void *address);
434 extern area_id		_kern_find_area(const char *name);
435 extern status_t		_kern_get_area_info(area_id area, area_info *info);
436 extern status_t		_kern_get_next_area_info(team_id team, ssize_t *cookie,
437 						area_info *info);
438 extern status_t		_kern_resize_area(area_id area, size_t newSize);
439 extern area_id		_kern_transfer_area(area_id area, void **_address,
440 						uint32 addressSpec, team_id target);
441 extern status_t		_kern_set_area_protection(area_id area,
442 						uint32 newProtection);
443 extern area_id		_kern_clone_area(const char *name, void **_address,
444 						uint32 addressSpec, uint32 protection,
445 						area_id sourceArea);
446 extern status_t		_kern_reserve_address_range(addr_t* _address,
447 						uint32 addressSpec, addr_t size);
448 extern status_t		_kern_unreserve_address_range(addr_t address, addr_t size);
449 
450 extern area_id		_kern_map_file(const char *name, void **address,
451 						uint32 addressSpec, size_t size, uint32 protection,
452 						uint32 mapping, bool unmapAddressRange, int fd,
453 						off_t offset);
454 extern status_t		_kern_unmap_memory(void *address, size_t size);
455 extern status_t		_kern_set_memory_protection(void *address, size_t size,
456 						uint32 protection);
457 extern status_t		_kern_sync_memory(void *address, size_t size, int flags);
458 extern status_t		_kern_memory_advice(void *address, size_t size,
459 						uint32 advice);
460 
461 extern status_t		_kern_get_memory_properties(team_id teamID,
462 						const void *address, uint32* _protected, uint32* _lock);
463 
464 extern status_t		_kern_mlock(const void* address, size_t size);
465 extern status_t		_kern_munlock(const void* address, size_t size);
466 
467 /* kernel port functions */
468 extern port_id		_kern_create_port(int32 queue_length, const char *name);
469 extern status_t		_kern_close_port(port_id id);
470 extern status_t		_kern_delete_port(port_id id);
471 extern port_id		_kern_find_port(const char *port_name);
472 extern status_t		_kern_get_port_info(port_id id, struct port_info *info);
473 extern status_t		_kern_get_next_port_info(team_id team, int32 *cookie,
474 						struct port_info *info);
475 extern ssize_t		_kern_port_buffer_size_etc(port_id port, uint32 flags,
476 						bigtime_t timeout);
477 extern int32		_kern_port_count(port_id port);
478 extern ssize_t		_kern_read_port_etc(port_id port, int32 *msgCode,
479 						void *msgBuffer, size_t bufferSize, uint32 flags,
480 						bigtime_t timeout);
481 extern status_t		_kern_set_port_owner(port_id port, team_id team);
482 extern status_t		_kern_write_port_etc(port_id port, int32 msgCode,
483 						const void *msgBuffer, size_t bufferSize, uint32 flags,
484 						bigtime_t timeout);
485 extern status_t		_kern_writev_port_etc(port_id id, int32 msgCode,
486 						const struct iovec *msgVecs, size_t vecCount,
487 						size_t bufferSize, uint32 flags, bigtime_t timeout);
488 extern status_t		_kern_get_port_message_info_etc(port_id port,
489 						port_message_info *info, size_t infoSize, uint32 flags,
490 						bigtime_t timeout);
491 
492 // debug support functions
493 extern status_t		_kern_kernel_debugger(const char *message);
494 extern void			_kern_register_syslog_daemon(port_id port);
495 extern void			_kern_debugger(const char *message);
496 extern int			_kern_disable_debugger(int state);
497 
498 extern status_t		_kern_install_default_debugger(port_id debuggerPort);
499 extern port_id		_kern_install_team_debugger(team_id team,
500 						port_id debuggerPort);
501 extern status_t		_kern_remove_team_debugger(team_id team);
502 extern status_t		_kern_debug_thread(thread_id thread);
503 extern void			_kern_wait_for_debugger(void);
504 
505 extern status_t		_kern_set_debugger_breakpoint(void *address, uint32 type,
506 						int32 length, bool watchpoint);
507 extern status_t		_kern_clear_debugger_breakpoint(void *address,
508 						bool watchpoint);
509 
510 extern status_t		_kern_system_profiler_start(
511 						struct system_profiler_parameters* parameters);
512 extern status_t		_kern_system_profiler_next_buffer(size_t bytesRead,
513 						uint64* _droppedEvents);
514 extern status_t		_kern_system_profiler_stop();
515 extern status_t		_kern_system_profiler_recorded(
516 						struct system_profiler_parameters* parameters);
517 
518 /* atomic_* ops (needed for CPUs that don't support them directly) */
519 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
520 extern void		_kern_atomic_set(int32 *value, int32 newValue);
521 extern int32		_kern_atomic_get_and_set(int32 *value, int32 newValue);
522 extern int32		_kern_atomic_test_and_set(int32 *value, int32 newValue,
523 						int32 testAgainst);
524 extern int32		_kern_atomic_add(int32 *value, int32 addValue);
525 extern int32		_kern_atomic_and(int32 *value, int32 andValue);
526 extern int32		_kern_atomic_or(int32 *value, int32 orValue);
527 extern int32		_kern_atomic_get(int32 *value);
528 #endif	// ATOMIC_FUNCS_ARE_SYSCALLS
529 
530 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
531 extern void		_kern_atomic_set64(int64 *value, int64 newValue);
532 extern int64		_kern_atomic_get_and_set64(int64 *value, int64 newValue);
533 extern int64		_kern_atomic_test_and_set64(int64 *value, int64 newValue,
534 						int64 testAgainst);
535 extern int64		_kern_atomic_add64(int64 *value, int64 addValue);
536 extern int64		_kern_atomic_and64(int64 *value, int64 andValue);
537 extern int64		_kern_atomic_or64(int64 *value, int64 orValue);
538 extern int64		_kern_atomic_get64(int64 *value);
539 #endif	// ATOMIC64_FUNCS_ARE_SYSCALLS
540 
541 /* System informations */
542 extern status_t		_kern_get_system_info(system_info* info);
543 extern status_t		_kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount,
544 						cpu_info* info);
545 extern status_t		_kern_get_cpu_topology_info(
546 						cpu_topology_node_info* topologyInfos,
547 						uint32* topologyInfoCount);
548 
549 extern status_t		_kern_analyze_scheduling(bigtime_t from, bigtime_t until,
550 						void* buffer, size_t size,
551 						struct scheduling_analysis* analysis);
552 
553 /* Debug output */
554 extern void			_kern_debug_output(const char *message);
555 extern void			_kern_ktrace_output(const char *message);
556 extern status_t		_kern_frame_buffer_update(addr_t baseAddress, int32 width,
557 						int32 height, int32 depth, int32 bytesPerRow);
558 
559 /* messaging service */
560 extern area_id		_kern_register_messaging_service(sem_id lockingSem,
561 						sem_id counterSem);
562 extern status_t		_kern_unregister_messaging_service();
563 
564 extern void			_kern_clear_caches(void *address, size_t length,
565 						uint32 flags);
566 extern bool			_kern_cpu_enabled(int32 cpu);
567 extern status_t		_kern_set_cpu_enabled(int32 cpu, bool enabled);
568 
569 #if defined(__i386__) || defined(__x86_64__)
570 // our only x86 only syscall
571 extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
572 #endif
573 
574 
575 /* Disk Device Manager syscalls */
576 
577 // iterating, retrieving device/partition data
578 extern partition_id	_kern_get_next_disk_device_id(int32 *cookie,
579 						size_t *neededSize);
580 extern partition_id	_kern_find_disk_device(const char *filename,
581 						size_t *neededSize);
582 extern partition_id	_kern_find_partition(const char *filename,
583 						size_t *neededSize);
584 extern partition_id	_kern_find_file_disk_device(const char *filename,
585 						size_t *neededSize);
586 extern status_t		_kern_get_disk_device_data(partition_id deviceID,
587 						bool deviceOnly, struct user_disk_device_data *buffer,
588 						size_t bufferSize, size_t *neededSize);
589 extern partition_id	_kern_register_file_device(const char *filename);
590 extern status_t		_kern_unregister_file_device(partition_id deviceID,
591 						const char *filename);
592 	// Only a valid deviceID or filename need to be passed. The other one
593 	// is -1/NULL. If both is given only filename is ignored.
594 extern status_t		_kern_get_file_disk_device_path(partition_id id,
595 						char* buffer, size_t bufferSize);
596 
597 // disk systems
598 extern status_t		_kern_get_disk_system_info(disk_system_id id,
599 						struct user_disk_system_info *info);
600 extern status_t		_kern_get_next_disk_system_info(int32 *cookie,
601 						struct user_disk_system_info *info);
602 extern status_t		_kern_find_disk_system(const char *name,
603 						struct user_disk_system_info *info);
604 
605 // disk device modification
606 extern status_t		_kern_defragment_partition(partition_id partitionID,
607 						int32* changeCounter);
608 extern status_t		_kern_repair_partition(partition_id partitionID,
609 						int32* changeCounter, bool checkOnly);
610 extern status_t		_kern_resize_partition(partition_id partitionID,
611 						int32* changeCounter, partition_id childID,
612 						int32* childChangeCounter, off_t size,
613 						off_t contentSize);
614 extern status_t		_kern_move_partition(partition_id partitionID,
615 						int32* changeCounter, partition_id childID,
616 						int32* childChangeCounter, off_t newOffset,
617 						partition_id* descendantIDs,
618 						int32* descendantChangeCounters, int32 descendantCount);
619 extern status_t		_kern_set_partition_name(partition_id partitionID,
620 						int32* changeCounter, partition_id childID,
621 						int32* childChangeCounter, const char* name);
622 extern status_t		_kern_set_partition_content_name(partition_id partitionID,
623 						int32* changeCounter, const char* name);
624 extern status_t		_kern_set_partition_type(partition_id partitionID,
625 						int32* changeCounter, partition_id childID,
626 						int32* childChangeCounter, const char* type);
627 extern status_t		_kern_set_partition_parameters(partition_id partitionID,
628 						int32* changeCounter, partition_id childID,
629 						int32* childChangeCounter, const char* parameters);
630 extern status_t		_kern_set_partition_content_parameters(
631 						partition_id partitionID, int32* changeCounter,
632 						const char* parameters);
633 extern status_t		_kern_initialize_partition(partition_id partitionID,
634 						int32* changeCounter, const char* diskSystemName,
635 						const char* name, const char* parameters);
636 extern status_t		_kern_uninitialize_partition(partition_id partitionID,
637 						int32* changeCounter, partition_id parentID,
638 						int32* parentChangeCounter);
639 extern status_t		_kern_create_child_partition(partition_id partitionID,
640 						int32* changeCounter, off_t offset, off_t size,
641 						const char* type, const char* name,
642 						const char* parameters, partition_id* childID,
643 						int32* childChangeCounter);
644 extern status_t		_kern_delete_child_partition(partition_id partitionID,
645 						int32* changeCounter, partition_id childID,
646 						int32 childChangeCounter);
647 
648 // disk change notification
649 extern status_t		_kern_start_watching_disks(uint32 eventMask, port_id port,
650 						int32 token);
651 extern status_t		_kern_stop_watching_disks(port_id port, int32 token);
652 
653 
654 // The end mark for gensyscallinfos.
655 #ifdef GEN_SYSCALL_INFOS_PROCESSING
656 #pragma syscalls end
657 #endif
658 
659 #undef __NO_RETURN
660 
661 #ifdef __cplusplus
662 }
663 #endif
664 
665 #endif	/* _SYSTEM_SYSCALLS_H */
666