xref: /haiku/headers/private/system/syscalls.h (revision cbe0a0c436162d78cc3f92a305b64918c839d079)
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 fd_info;
27 struct fd_set;
28 struct fs_info;
29 struct iovec;
30 struct msqid_ds;
31 struct net_stat;
32 struct pollfd;
33 struct rlimit;
34 struct scheduling_analysis;
35 struct _sem_t;
36 struct sembuf;
37 union semun;
38 struct sigaction;
39 struct signal_frame_data;
40 struct stat;
41 struct system_profiler_parameters;
42 struct user_timer_info;
43 
44 struct disk_device_job_progress_info;
45 struct partitionable_space_data;
46 struct thread_creation_attributes;
47 struct user_disk_device_data;
48 struct user_disk_device_job_info;
49 struct user_disk_system_info;
50 
51 // This marks the beginning of the syscalls prototypes for gensyscallinfos.
52 // NOTE:
53 // * Nothing but those prototypes may live here.
54 // * The arguments of the functions must be named to be processed properly.
55 
56 #ifdef GEN_SYSCALL_INFOS_PROCESSING
57 #	define __NO_RETURN
58 #	pragma syscalls begin
59 #else
60 #	define __NO_RETURN	__attribute__((noreturn))
61 #endif
62 
63 extern int			_kern_is_computer_on(void);
64 extern status_t		_kern_generic_syscall(const char *subsystem, uint32 function,
65 						void *buffer, size_t bufferSize);
66 
67 extern int			_kern_getrlimit(int resource, struct rlimit * rlp);
68 extern int			_kern_setrlimit(int resource, const struct rlimit * rlp);
69 
70 extern status_t		_kern_shutdown(bool reboot);
71 extern status_t		_kern_get_safemode_option(const char *parameter,
72 						char *buffer, size_t *_bufferSize);
73 
74 extern ssize_t		_kern_wait_for_objects(object_wait_info* infos, int numInfos,
75 						uint32 flags, bigtime_t timeout);
76 
77 /* user mutex functions */
78 extern status_t		_kern_mutex_lock(int32* mutex, const char* name,
79 						uint32 flags, bigtime_t timeout);
80 extern status_t		_kern_mutex_unlock(int32* mutex, uint32 flags);
81 extern status_t		_kern_mutex_switch_lock(int32* fromMutex, int32* toMutex,
82 						const char* name, uint32 flags, bigtime_t timeout);
83 extern status_t		_kern_mutex_sem_acquire(int32* sem, const char* name,
84 						uint32 flags, bigtime_t timeout);
85 extern status_t		_kern_mutex_sem_release(int32* sem);
86 
87 /* sem functions */
88 extern sem_id		_kern_create_sem(int count, const char *name);
89 extern status_t		_kern_delete_sem(sem_id id);
90 extern status_t		_kern_switch_sem(sem_id releaseSem, sem_id id);
91 extern status_t		_kern_switch_sem_etc(sem_id releaseSem, sem_id id,
92 						uint32 count, uint32 flags, bigtime_t timeout);
93 extern status_t		_kern_acquire_sem(sem_id id);
94 extern status_t		_kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags,
95 						bigtime_t timeout);
96 extern status_t		_kern_release_sem(sem_id id);
97 extern status_t		_kern_release_sem_etc(sem_id id, uint32 count, uint32 flags);
98 extern status_t		_kern_get_sem_count(sem_id id, int32* thread_count);
99 extern status_t		_kern_get_sem_info(sem_id semaphore, struct sem_info *info,
100 						size_t size);
101 extern status_t		_kern_get_next_sem_info(team_id team, int32 *cookie,
102 						struct sem_info *info, size_t size);
103 extern status_t		_kern_set_sem_owner(sem_id id, team_id proc);
104 
105 /* POSIX realtime sem syscalls */
106 extern status_t		_kern_realtime_sem_open(const char* name,
107 						int openFlagsOrShared, mode_t mode, uint32 semCount,
108 						struct _sem_t* userSem, struct _sem_t** _usedUserSem);
109 extern status_t		_kern_realtime_sem_close(sem_id semID,
110 						struct _sem_t** _deleteUserSem);
111 extern status_t		_kern_realtime_sem_unlink(const char* name);
112 
113 extern status_t		_kern_realtime_sem_get_value(sem_id semID, int* value);
114 extern status_t		_kern_realtime_sem_post(sem_id semID);
115 extern status_t		_kern_realtime_sem_wait(sem_id semID, bigtime_t timeout);
116 
117 /* POSIX XSI semaphore syscalls */
118 extern int			_kern_xsi_semget(key_t key, int numSems, int flags);
119 extern int			_kern_xsi_semctl(int semID, int semNumber, int command,
120 						union semun* args);
121 extern status_t		_kern_xsi_semop(int semID, struct sembuf *semOps,
122 						size_t numSemOps);
123 
124 /* POSIX XSI message queue syscalls */
125 extern int			_kern_xsi_msgctl(int messageQueueID, int command,
126 						struct msqid_ds *buffer);
127 extern int			_kern_xsi_msgget(key_t key, int messageQueueFlags);
128 extern ssize_t		_kern_xsi_msgrcv(int messageQueueID, void *messagePointer,
129 						size_t messageSize, long messageType, int messageFlags);
130 extern int			_kern_xsi_msgsnd(int messageQueueID,
131 						const void *messagePointer, size_t messageSize,
132 						int messageFlags);
133 
134 /* team & thread syscalls */
135 extern thread_id	_kern_load_image(const char* const* flatArgs,
136 						size_t flatArgsSize, int32 argCount, int32 envCount,
137 						int32 priority, uint32 flags, port_id errorPort,
138 						uint32 errorToken);
139 extern void __NO_RETURN _kern_exit_team(status_t returnValue);
140 extern status_t		_kern_kill_team(team_id team);
141 extern team_id		_kern_get_current_team();
142 extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
143 extern pid_t		_kern_wait_for_child(thread_id child, uint32 flags,
144 						siginfo_t* info, team_usage_info* usageInfo);
145 extern status_t		_kern_exec(const char *path, const char* const* flatArgs,
146 						size_t flatArgsSize, int32 argCount, int32 envCount,
147 						mode_t umask);
148 extern thread_id	_kern_fork(void);
149 extern pid_t		_kern_process_info(pid_t process, int32 which);
150 extern pid_t		_kern_setpgid(pid_t process, pid_t group);
151 extern pid_t		_kern_setsid(void);
152 extern status_t		_kern_change_root(const char *path);
153 
154 extern thread_id	_kern_spawn_thread(
155 						struct thread_creation_attributes* attributes);
156 extern thread_id	_kern_find_thread(const char *name);
157 extern status_t		_kern_suspend_thread(thread_id thread);
158 extern status_t		_kern_resume_thread(thread_id thread);
159 extern status_t		_kern_rename_thread(thread_id thread, const char *newName);
160 extern status_t		_kern_set_thread_priority(thread_id thread,
161 						int32 newPriority);
162 extern status_t		_kern_kill_thread(thread_id thread);
163 extern void			_kern_exit_thread(status_t returnValue);
164 extern status_t		_kern_cancel_thread(thread_id threadID,
165 						void (*cancelFunction)(int));
166 extern void			_kern_thread_yield(void);
167 extern status_t		_kern_wait_for_thread(thread_id thread,
168 						status_t *_returnCode);
169 extern bool			_kern_has_data(thread_id thread);
170 extern status_t		_kern_send_data(thread_id thread, int32 code,
171 						const void *buffer, size_t bufferSize);
172 extern int32		_kern_receive_data(thread_id *_sender, void *buffer,
173 						size_t bufferSize);
174 extern int64		_kern_restore_signal_frame(
175 						struct signal_frame_data* signalFrameData);
176 
177 extern status_t		_kern_get_thread_info(thread_id id, thread_info *info);
178 extern status_t		_kern_get_next_thread_info(team_id team, int32 *cookie,
179 						thread_info *info);
180 extern status_t		_kern_get_team_info(team_id id, team_info *info);
181 extern status_t		_kern_get_next_team_info(int32 *cookie, team_info *info);
182 extern status_t		_kern_get_team_usage_info(team_id team, int32 who,
183 						team_usage_info *info, size_t size);
184 extern status_t		_kern_get_extended_team_info(team_id teamID, uint32 flags,
185 						void* buffer, size_t size, size_t* _sizeNeeded);
186 
187 extern status_t		_kern_start_watching_system(int32 object, uint32 flags,
188 						port_id port, int32 token);
189 extern status_t		_kern_stop_watching_system(int32 object, uint32 flags,
190 						port_id port, int32 token);
191 
192 extern status_t		_kern_block_thread(uint32 flags, bigtime_t timeout);
193 extern status_t		_kern_unblock_thread(thread_id thread, status_t status);
194 extern status_t		_kern_unblock_threads(thread_id* threads, uint32 count,
195 						status_t status);
196 
197 extern bigtime_t	_kern_estimate_max_scheduling_latency(thread_id thread);
198 
199 extern status_t		_kern_set_scheduler_mode(int32 mode);
200 extern int32		_kern_get_scheduler_mode(void);
201 
202 // user/group functions
203 extern gid_t		_kern_getgid(bool effective);
204 extern uid_t		_kern_getuid(bool effective);
205 extern status_t		_kern_setregid(gid_t rgid, gid_t egid,
206 						bool setAllIfPrivileged);
207 extern status_t		_kern_setreuid(uid_t ruid, uid_t euid,
208 						bool setAllIfPrivileged);
209 extern ssize_t		_kern_getgroups(int groupCount, gid_t* groupList);
210 extern status_t		_kern_setgroups(int groupCount, const gid_t* groupList);
211 
212 // signal functions
213 extern status_t		_kern_send_signal(int32 id, uint32 signal,
214 						const union sigval* userValue, uint32 flags);
215 extern status_t		_kern_set_signal_mask(int how, const sigset_t *set,
216 						sigset_t *oldSet);
217 extern status_t		_kern_sigaction(int sig, const struct sigaction *action,
218 						struct sigaction *oldAction);
219 extern status_t		_kern_sigwait(const sigset_t *set, siginfo_t *info,
220 						uint32 flags, bigtime_t timeout);
221 extern status_t		_kern_sigsuspend(const sigset_t *mask);
222 extern status_t		_kern_sigpending(sigset_t *set);
223 extern status_t		_kern_set_signal_stack(const stack_t *newStack,
224 						stack_t *oldStack);
225 
226 // image functions
227 extern image_id		_kern_register_image(extended_image_info *info,
228 						size_t size);
229 extern status_t		_kern_unregister_image(image_id id);
230 extern void			_kern_image_relocated(image_id id);
231 extern void			_kern_loading_app_failed(status_t error);
232 extern status_t		_kern_get_image_info(image_id id, image_info *info,
233 						size_t size);
234 extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie,
235 						image_info *info, size_t size);
236 extern status_t		_kern_read_kernel_image_symbols(image_id id,
237 						elf_sym* symbolTable, int32* _symbolCount,
238 						char* stringTable, size_t* _stringTableSize,
239 						addr_t* _imageDelta);
240 
241 // VFS functions
242 extern dev_t		_kern_mount(const char *path, const char *device,
243 						const char *fs_name, uint32 flags, const char *args,
244 						size_t argsLength);
245 extern status_t		_kern_unmount(const char *path, uint32 flags);
246 extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
247 extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info,
248 						int mask);
249 extern dev_t		_kern_next_device(int32 *_cookie);
250 extern status_t		_kern_sync(void);
251 extern status_t		_kern_entry_ref_to_path(dev_t device, ino_t inode,
252 						const char *leaf, char *userPath, size_t pathLength);
253 extern status_t		_kern_normalize_path(const char* userPath,
254 						bool traverseLink, char* buffer);
255 extern int			_kern_open_entry_ref(dev_t device, ino_t inode,
256 						const char *name, int openMode, int perms);
257 extern int			_kern_open(int fd, const char *path, int openMode,
258 						int perms);
259 extern int			_kern_open_dir_entry_ref(dev_t device, ino_t inode,
260 						const char *name);
261 extern int			_kern_open_dir(int fd, const char *path);
262 extern int			_kern_open_parent_dir(int fd, char *name,
263 						size_t nameLength);
264 extern status_t		_kern_fcntl(int fd, int op, size_t argument);
265 extern status_t		_kern_fsync(int fd);
266 extern status_t		_kern_flock(int fd, int op);
267 extern off_t		_kern_seek(int fd, off_t pos, int seekType);
268 extern status_t		_kern_create_dir_entry_ref(dev_t device, ino_t inode,
269 						const char *name, int perms);
270 extern status_t		_kern_create_dir(int fd, const char *path, int perms);
271 extern status_t		_kern_remove_dir(int fd, const char *path);
272 extern status_t		_kern_read_link(int fd, const char *path, char *buffer,
273 						size_t *_bufferSize);
274 extern status_t		_kern_create_symlink(int fd, const char *path,
275 						const char *toPath, int mode);
276 extern status_t		_kern_create_link(int pathFD, const char *path, int toFD,
277 						const char *toPath, bool traverseLeafLink);
278 extern status_t		_kern_unlink(int fd, const char *path);
279 extern status_t		_kern_rename(int oldDir, const char *oldpath, int newDir,
280 						const char *newpath);
281 extern status_t		_kern_create_fifo(int fd, const char *path, mode_t perms);
282 extern status_t		_kern_create_pipe(int *fds);
283 extern status_t		_kern_access(int fd, const char *path, int mode,
284 						bool effectiveUserGroup);
285 extern ssize_t		_kern_select(int numfds, struct fd_set *readSet,
286 						struct fd_set *writeSet, struct fd_set *errorSet,
287 						bigtime_t timeout, const sigset_t *sigMask);
288 extern ssize_t		_kern_poll(struct pollfd *fds, int numFDs,
289 						bigtime_t timeout, const sigset_t *sigMask);
290 
291 extern int			_kern_open_attr_dir(int fd, const char *path,
292 						bool traverseLeafLink);
293 extern ssize_t		_kern_read_attr(int fd, const char *attribute, off_t pos,
294 						void *buffer, size_t readBytes);
295 extern ssize_t		_kern_write_attr(int fd, const char *attribute, uint32 type,
296 						off_t pos, const void *buffer, size_t readBytes);
297 extern status_t		_kern_stat_attr(int fd, const char *attribute,
298 						struct attr_info *attrInfo);
299 extern int			_kern_open_attr(int fd, const char* path, const char *name,
300 						uint32 type, int openMode);
301 extern status_t		_kern_remove_attr(int fd, const char *name);
302 extern status_t		_kern_rename_attr(int fromFile, const char *fromName,
303 						int toFile, const char *toName);
304 extern int			_kern_open_index_dir(dev_t device);
305 extern status_t		_kern_create_index(dev_t device, const char *name,
306 						uint32 type, uint32 flags);
307 extern status_t		_kern_read_index_stat(dev_t device, const char *name,
308 						struct stat *stat);
309 extern status_t		_kern_remove_index(dev_t device, const char *name);
310 extern status_t		_kern_getcwd(char *buffer, size_t size);
311 extern status_t		_kern_setcwd(int fd, const char *path);
312 extern int			_kern_open_query(dev_t device, const char *query,
313 						size_t queryLength, uint32 flags, port_id port,
314 						int32 token);
315 
316 // file descriptor functions
317 extern ssize_t		_kern_read(int fd, off_t pos, void *buffer,
318 						size_t bufferSize);
319 extern ssize_t		_kern_readv(int fd, off_t pos, const struct iovec *vecs,
320 						size_t count);
321 extern ssize_t		_kern_write(int fd, off_t pos, const void *buffer,
322 						size_t bufferSize);
323 extern ssize_t		_kern_writev(int fd, off_t pos, const struct iovec *vecs,
324 						size_t count);
325 extern status_t		_kern_ioctl(int fd, uint32 cmd, void *data, size_t length);
326 extern ssize_t		_kern_read_dir(int fd, struct dirent *buffer,
327 						size_t bufferSize, uint32 maxCount);
328 extern status_t		_kern_rewind_dir(int fd);
329 extern status_t		_kern_read_stat(int fd, const char *path, bool traverseLink,
330 						struct stat *stat, size_t statSize);
331 extern status_t		_kern_write_stat(int fd, const char *path,
332 						bool traverseLink, const struct stat *stat,
333 						size_t statSize, int statMask);
334 extern status_t		_kern_close(int fd);
335 extern int			_kern_dup(int fd);
336 extern int			_kern_dup2(int ofd, int nfd);
337 extern status_t		_kern_lock_node(int fd);
338 extern status_t		_kern_unlock_node(int fd);
339 extern status_t		_kern_get_next_fd_info(team_id team, uint32 *_cookie,
340 						struct fd_info *info, size_t infoSize);
341 extern status_t		_kern_preallocate(int fd, off_t offset, off_t length);
342 
343 // socket functions
344 extern int			_kern_socket(int family, int type, int protocol);
345 extern status_t		_kern_bind(int socket, const struct sockaddr *address,
346 						socklen_t addressLength);
347 extern status_t		_kern_shutdown_socket(int socket, int how);
348 extern status_t		_kern_connect(int socket, const struct sockaddr *address,
349 						socklen_t addressLength);
350 extern status_t		_kern_listen(int socket, int backlog);
351 extern int			_kern_accept(int socket, struct sockaddr *address,
352 						socklen_t *_addressLength);
353 extern ssize_t		_kern_recv(int socket, void *data, size_t length,
354 						int flags);
355 extern ssize_t		_kern_recvfrom(int socket, void *data, size_t length,
356 						int flags, struct sockaddr *address,
357 						socklen_t *_addressLength);
358 extern ssize_t		_kern_recvmsg(int socket, struct msghdr *message,
359 						int flags);
360 extern ssize_t		_kern_send(int socket, const void *data, size_t length,
361 						int flags);
362 extern ssize_t		_kern_sendto(int socket, const void *data, size_t length,
363 						int flags, const struct sockaddr *address,
364 						socklen_t addressLength);
365 extern ssize_t		_kern_sendmsg(int socket, const struct msghdr *message,
366 						int flags);
367 extern status_t		_kern_getsockopt(int socket, int level, int option,
368 						void *value, socklen_t *_length);
369 extern status_t		_kern_setsockopt(int socket, int level, int option,
370 						const void *value, socklen_t length);
371 extern status_t		_kern_getpeername(int socket, struct sockaddr *address,
372 						socklen_t *_addressLength);
373 extern status_t		_kern_getsockname(int socket, struct sockaddr *address,
374 						socklen_t *_addressLength);
375 extern int			_kern_sockatmark(int socket);
376 extern status_t		_kern_socketpair(int family, int type, int protocol,
377 						int *socketVector);
378 extern status_t		_kern_get_next_socket_stat(int family, uint32 *cookie,
379 						struct net_stat *stat);
380 
381 // node monitor functions
382 extern status_t		_kern_stop_notifying(port_id port, uint32 token);
383 extern status_t		_kern_start_watching(dev_t device, ino_t node, uint32 flags,
384 						port_id port, uint32 token);
385 extern status_t		_kern_stop_watching(dev_t device, ino_t node, port_id port,
386 						uint32 token);
387 
388 // time functions
389 extern status_t		_kern_set_real_time_clock(bigtime_t time);
390 extern status_t		_kern_set_timezone(int32 timezoneOffset, const char *name,
391 						size_t nameLength);
392 extern status_t		_kern_get_timezone(int32 *_timezoneOffset, char *name,
393 						size_t nameLength);
394 extern status_t		_kern_set_real_time_clock_is_gmt(bool isGMT);
395 extern status_t		_kern_get_real_time_clock_is_gmt(bool *_isGMT);
396 
397 extern status_t		_kern_get_clock(clockid_t clockID, bigtime_t* _time);
398 extern status_t		_kern_set_clock(clockid_t clockID, bigtime_t time);
399 
400 extern bigtime_t	_kern_system_time();
401 extern status_t		_kern_snooze_etc(bigtime_t time, int timebase, int32 flags,
402 						bigtime_t* _remainingTime);
403 
404 extern int32		_kern_create_timer(clockid_t clockID, thread_id threadID,
405 						uint32 flags, const struct sigevent* event,
406 						const struct thread_creation_attributes*
407 							threadAttributes);
408 extern status_t		_kern_delete_timer(int32 timerID, thread_id threadID);
409 extern status_t		_kern_get_timer(int32 timerID, thread_id threadID,
410 						struct user_timer_info* info);
411 extern status_t		_kern_set_timer(int32 timerID, thread_id threadID,
412 						bigtime_t startTime, bigtime_t interval, uint32 flags,
413 						struct user_timer_info* oldInfo);
414 
415 // area functions
416 extern area_id		_kern_create_area(const char *name, void **address,
417 						uint32 addressSpec, size_t size, uint32 lock,
418 						uint32 protection);
419 extern status_t		_kern_delete_area(area_id area);
420 extern area_id		_kern_area_for(void *address);
421 extern area_id		_kern_find_area(const char *name);
422 extern status_t		_kern_get_area_info(area_id area, area_info *info);
423 extern status_t		_kern_get_next_area_info(team_id team, ssize_t *cookie,
424 						area_info *info);
425 extern status_t		_kern_resize_area(area_id area, size_t newSize);
426 extern area_id		_kern_transfer_area(area_id area, void **_address,
427 						uint32 addressSpec, team_id target);
428 extern status_t		_kern_set_area_protection(area_id area,
429 						uint32 newProtection);
430 extern area_id		_kern_clone_area(const char *name, void **_address,
431 						uint32 addressSpec, uint32 protection,
432 						area_id sourceArea);
433 extern status_t		_kern_reserve_address_range(addr_t* _address,
434 						uint32 addressSpec, addr_t size);
435 extern status_t		_kern_unreserve_address_range(addr_t address, addr_t size);
436 
437 extern area_id		_kern_map_file(const char *name, void **address,
438 						uint32 addressSpec, size_t size, uint32 protection,
439 						uint32 mapping, bool unmapAddressRange, int fd,
440 						off_t offset);
441 extern status_t		_kern_unmap_memory(void *address, size_t size);
442 extern status_t		_kern_set_memory_protection(void *address, size_t size,
443 						uint32 protection);
444 extern status_t		_kern_sync_memory(void *address, size_t size, int flags);
445 extern status_t		_kern_memory_advice(void *address, size_t size,
446 						uint32 advice);
447 
448 extern status_t		_kern_get_memory_properties(team_id teamID,
449 						const void *address, uint32* _protected, uint32* _lock);
450 
451 extern status_t		_kern_mlock(const void* address, size_t size);
452 extern status_t		_kern_munlock(const void* address, size_t size);
453 
454 /* kernel port functions */
455 extern port_id		_kern_create_port(int32 queue_length, const char *name);
456 extern status_t		_kern_close_port(port_id id);
457 extern status_t		_kern_delete_port(port_id id);
458 extern port_id		_kern_find_port(const char *port_name);
459 extern status_t		_kern_get_port_info(port_id id, struct port_info *info);
460 extern status_t		_kern_get_next_port_info(team_id team, int32 *cookie,
461 						struct port_info *info);
462 extern ssize_t		_kern_port_buffer_size_etc(port_id port, uint32 flags,
463 						bigtime_t timeout);
464 extern int32		_kern_port_count(port_id port);
465 extern ssize_t		_kern_read_port_etc(port_id port, int32 *msgCode,
466 						void *msgBuffer, size_t bufferSize, uint32 flags,
467 						bigtime_t timeout);
468 extern status_t		_kern_set_port_owner(port_id port, team_id team);
469 extern status_t		_kern_write_port_etc(port_id port, int32 msgCode,
470 						const void *msgBuffer, size_t bufferSize, uint32 flags,
471 						bigtime_t timeout);
472 extern status_t		_kern_writev_port_etc(port_id id, int32 msgCode,
473 						const struct iovec *msgVecs, size_t vecCount,
474 						size_t bufferSize, uint32 flags, bigtime_t timeout);
475 extern status_t		_kern_get_port_message_info_etc(port_id port,
476 						port_message_info *info, size_t infoSize, uint32 flags,
477 						bigtime_t timeout);
478 
479 // debug support functions
480 extern status_t		_kern_kernel_debugger(const char *message);
481 extern void			_kern_register_syslog_daemon(port_id port);
482 extern void			_kern_debugger(const char *message);
483 extern int			_kern_disable_debugger(int state);
484 
485 extern status_t		_kern_install_default_debugger(port_id debuggerPort);
486 extern port_id		_kern_install_team_debugger(team_id team,
487 						port_id debuggerPort);
488 extern status_t		_kern_remove_team_debugger(team_id team);
489 extern status_t		_kern_debug_thread(thread_id thread);
490 extern void			_kern_wait_for_debugger(void);
491 
492 extern status_t		_kern_set_debugger_breakpoint(void *address, uint32 type,
493 						int32 length, bool watchpoint);
494 extern status_t		_kern_clear_debugger_breakpoint(void *address,
495 						bool watchpoint);
496 
497 extern status_t		_kern_system_profiler_start(
498 						struct system_profiler_parameters* parameters);
499 extern status_t		_kern_system_profiler_next_buffer(size_t bytesRead,
500 						uint64* _droppedEvents);
501 extern status_t		_kern_system_profiler_stop();
502 extern status_t		_kern_system_profiler_recorded(
503 						struct system_profiler_parameters* parameters);
504 
505 /* atomic_* ops (needed for CPUs that don't support them directly) */
506 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
507 extern void		_kern_atomic_set(int32 *value, int32 newValue);
508 extern int32		_kern_atomic_get_and_set(int32 *value, int32 newValue);
509 extern int32		_kern_atomic_test_and_set(int32 *value, int32 newValue,
510 						int32 testAgainst);
511 extern int32		_kern_atomic_add(int32 *value, int32 addValue);
512 extern int32		_kern_atomic_and(int32 *value, int32 andValue);
513 extern int32		_kern_atomic_or(int32 *value, int32 orValue);
514 extern int32		_kern_atomic_get(int32 *value);
515 #endif	// ATOMIC_FUNCS_ARE_SYSCALLS
516 
517 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
518 extern void		_kern_atomic_set64(int64 *value, int64 newValue);
519 extern int64		_kern_atomic_get_and_set64(int64 *value, int64 newValue);
520 extern int64		_kern_atomic_test_and_set64(int64 *value, int64 newValue,
521 						int64 testAgainst);
522 extern int64		_kern_atomic_add64(int64 *value, int64 addValue);
523 extern int64		_kern_atomic_and64(int64 *value, int64 andValue);
524 extern int64		_kern_atomic_or64(int64 *value, int64 orValue);
525 extern int64		_kern_atomic_get64(int64 *value);
526 #endif	// ATOMIC64_FUNCS_ARE_SYSCALLS
527 
528 /* System informations */
529 extern status_t		_kern_get_system_info(system_info* info);
530 extern status_t		_kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount,
531 						cpu_info* info);
532 extern status_t		_kern_get_cpu_topology_info(
533 						cpu_topology_node_info* topologyInfos,
534 						uint32* topologyInfoCount);
535 
536 extern status_t		_kern_analyze_scheduling(bigtime_t from, bigtime_t until,
537 						void* buffer, size_t size,
538 						struct scheduling_analysis* analysis);
539 
540 /* Debug output */
541 extern void			_kern_debug_output(const char *message);
542 extern void			_kern_ktrace_output(const char *message);
543 extern status_t		_kern_frame_buffer_update(addr_t baseAddress, int32 width,
544 						int32 height, int32 depth, int32 bytesPerRow);
545 
546 /* messaging service */
547 extern area_id		_kern_register_messaging_service(sem_id lockingSem,
548 						sem_id counterSem);
549 extern status_t		_kern_unregister_messaging_service();
550 
551 extern void			_kern_clear_caches(void *address, size_t length,
552 						uint32 flags);
553 extern bool			_kern_cpu_enabled(int32 cpu);
554 extern status_t		_kern_set_cpu_enabled(int32 cpu, bool enabled);
555 
556 #if defined(__i386__) || defined(__x86_64__)
557 // our only x86 only syscall
558 extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
559 #endif
560 
561 
562 /* Disk Device Manager syscalls */
563 
564 // iterating, retrieving device/partition data
565 extern partition_id	_kern_get_next_disk_device_id(int32 *cookie,
566 						size_t *neededSize);
567 extern partition_id	_kern_find_disk_device(const char *filename,
568 						size_t *neededSize);
569 extern partition_id	_kern_find_partition(const char *filename,
570 						size_t *neededSize);
571 extern partition_id	_kern_find_file_disk_device(const char *filename,
572 						size_t *neededSize);
573 extern status_t		_kern_get_disk_device_data(partition_id deviceID,
574 						bool deviceOnly, struct user_disk_device_data *buffer,
575 						size_t bufferSize, size_t *neededSize);
576 extern partition_id	_kern_register_file_device(const char *filename);
577 extern status_t		_kern_unregister_file_device(partition_id deviceID,
578 						const char *filename);
579 	// Only a valid deviceID or filename need to be passed. The other one
580 	// is -1/NULL. If both is given only filename is ignored.
581 extern status_t		_kern_get_file_disk_device_path(partition_id id,
582 						char* buffer, size_t bufferSize);
583 
584 // disk systems
585 extern status_t		_kern_get_disk_system_info(disk_system_id id,
586 						struct user_disk_system_info *info);
587 extern status_t		_kern_get_next_disk_system_info(int32 *cookie,
588 						struct user_disk_system_info *info);
589 extern status_t		_kern_find_disk_system(const char *name,
590 						struct user_disk_system_info *info);
591 
592 // disk device modification
593 extern status_t		_kern_defragment_partition(partition_id partitionID,
594 						int32* changeCounter);
595 extern status_t		_kern_repair_partition(partition_id partitionID,
596 						int32* changeCounter, bool checkOnly);
597 extern status_t		_kern_resize_partition(partition_id partitionID,
598 						int32* changeCounter, partition_id childID,
599 						int32* childChangeCounter, off_t size,
600 						off_t contentSize);
601 extern status_t		_kern_move_partition(partition_id partitionID,
602 						int32* changeCounter, partition_id childID,
603 						int32* childChangeCounter, off_t newOffset,
604 						partition_id* descendantIDs,
605 						int32* descendantChangeCounters, int32 descendantCount);
606 extern status_t		_kern_set_partition_name(partition_id partitionID,
607 						int32* changeCounter, partition_id childID,
608 						int32* childChangeCounter, const char* name);
609 extern status_t		_kern_set_partition_content_name(partition_id partitionID,
610 						int32* changeCounter, const char* name);
611 extern status_t		_kern_set_partition_type(partition_id partitionID,
612 						int32* changeCounter, partition_id childID,
613 						int32* childChangeCounter, const char* type);
614 extern status_t		_kern_set_partition_parameters(partition_id partitionID,
615 						int32* changeCounter, partition_id childID,
616 						int32* childChangeCounter, const char* parameters);
617 extern status_t		_kern_set_partition_content_parameters(
618 						partition_id partitionID, int32* changeCounter,
619 						const char* parameters);
620 extern status_t		_kern_initialize_partition(partition_id partitionID,
621 						int32* changeCounter, const char* diskSystemName,
622 						const char* name, const char* parameters);
623 extern status_t		_kern_uninitialize_partition(partition_id partitionID,
624 						int32* changeCounter, partition_id parentID,
625 						int32* parentChangeCounter);
626 extern status_t		_kern_create_child_partition(partition_id partitionID,
627 						int32* changeCounter, off_t offset, off_t size,
628 						const char* type, const char* name,
629 						const char* parameters, partition_id* childID,
630 						int32* childChangeCounter);
631 extern status_t		_kern_delete_child_partition(partition_id partitionID,
632 						int32* changeCounter, partition_id childID,
633 						int32 childChangeCounter);
634 
635 // disk change notification
636 extern status_t		_kern_start_watching_disks(uint32 eventMask, port_id port,
637 						int32 token);
638 extern status_t		_kern_stop_watching_disks(port_id port, int32 token);
639 
640 
641 // The end mark for gensyscallinfos.
642 #ifdef GEN_SYSCALL_INFOS_PROCESSING
643 #pragma syscalls end
644 #endif
645 
646 #undef __NO_RETURN
647 
648 #ifdef __cplusplus
649 }
650 #endif
651 
652 #endif	/* _SYSTEM_SYSCALLS_H */
653