xref: /haiku/headers/private/system/syscalls.h (revision 6f80a9801fedbe7355c4360bd204ba746ec3ec2d)
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, uint32 flags,
116 						bigtime_t timeout);
117 
118 /* POSIX XSI semaphore syscalls */
119 extern int			_kern_xsi_semget(key_t key, int numSems, int flags);
120 extern int			_kern_xsi_semctl(int semID, int semNumber, int command,
121 						union semun* args);
122 extern status_t		_kern_xsi_semop(int semID, struct sembuf *semOps,
123 						size_t numSemOps);
124 
125 /* POSIX XSI message queue syscalls */
126 extern int			_kern_xsi_msgctl(int messageQueueID, int command,
127 						struct msqid_ds *buffer);
128 extern int			_kern_xsi_msgget(key_t key, int messageQueueFlags);
129 extern ssize_t		_kern_xsi_msgrcv(int messageQueueID, void *messagePointer,
130 						size_t messageSize, long messageType, int messageFlags);
131 extern int			_kern_xsi_msgsnd(int messageQueueID,
132 						const void *messagePointer, size_t messageSize,
133 						int messageFlags);
134 
135 /* team & thread syscalls */
136 extern thread_id	_kern_load_image(const char* const* flatArgs,
137 						size_t flatArgsSize, int32 argCount, int32 envCount,
138 						int32 priority, uint32 flags, port_id errorPort,
139 						uint32 errorToken);
140 extern void __NO_RETURN _kern_exit_team(status_t returnValue);
141 extern status_t		_kern_kill_team(team_id team);
142 extern team_id		_kern_get_current_team();
143 extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
144 extern pid_t		_kern_wait_for_child(thread_id child, uint32 flags,
145 						siginfo_t* info, team_usage_info* usageInfo);
146 extern status_t		_kern_exec(const char *path, const char* const* flatArgs,
147 						size_t flatArgsSize, int32 argCount, int32 envCount,
148 						mode_t umask);
149 extern thread_id	_kern_fork(void);
150 extern pid_t		_kern_process_info(pid_t process, int32 which);
151 extern pid_t		_kern_setpgid(pid_t process, pid_t group);
152 extern pid_t		_kern_setsid(void);
153 extern status_t		_kern_change_root(const char *path);
154 
155 extern thread_id	_kern_spawn_thread(
156 						struct thread_creation_attributes* attributes);
157 extern thread_id	_kern_find_thread(const char *name);
158 extern status_t		_kern_suspend_thread(thread_id thread);
159 extern status_t		_kern_resume_thread(thread_id thread);
160 extern status_t		_kern_rename_thread(thread_id thread, const char *newName);
161 extern status_t		_kern_set_thread_priority(thread_id thread,
162 						int32 newPriority);
163 extern status_t		_kern_kill_thread(thread_id thread);
164 extern void			_kern_exit_thread(status_t returnValue);
165 extern status_t		_kern_cancel_thread(thread_id threadID,
166 						void (*cancelFunction)(int));
167 extern void			_kern_thread_yield(void);
168 extern status_t		_kern_wait_for_thread(thread_id thread,
169 						status_t *_returnCode);
170 extern status_t		_kern_wait_for_thread_etc(thread_id thread, uint32 flags,
171 						bigtime_t timeout, status_t *_returnCode);
172 extern bool			_kern_has_data(thread_id thread);
173 extern status_t		_kern_send_data(thread_id thread, int32 code,
174 						const void *buffer, size_t bufferSize);
175 extern int32		_kern_receive_data(thread_id *_sender, void *buffer,
176 						size_t bufferSize);
177 extern int64		_kern_restore_signal_frame(
178 						struct signal_frame_data* signalFrameData);
179 
180 extern status_t		_kern_get_thread_info(thread_id id, thread_info *info);
181 extern status_t		_kern_get_next_thread_info(team_id team, int32 *cookie,
182 						thread_info *info);
183 extern status_t		_kern_get_team_info(team_id id, team_info *info);
184 extern status_t		_kern_get_next_team_info(int32 *cookie, team_info *info);
185 extern status_t		_kern_get_team_usage_info(team_id team, int32 who,
186 						team_usage_info *info, size_t size);
187 extern status_t		_kern_get_extended_team_info(team_id teamID, uint32 flags,
188 						void* buffer, size_t size, size_t* _sizeNeeded);
189 
190 extern status_t		_kern_start_watching_system(int32 object, uint32 flags,
191 						port_id port, int32 token);
192 extern status_t		_kern_stop_watching_system(int32 object, uint32 flags,
193 						port_id port, int32 token);
194 
195 extern status_t		_kern_block_thread(uint32 flags, bigtime_t timeout);
196 extern status_t		_kern_unblock_thread(thread_id thread, status_t status);
197 extern status_t		_kern_unblock_threads(thread_id* threads, uint32 count,
198 						status_t status);
199 
200 extern bigtime_t	_kern_estimate_max_scheduling_latency(thread_id thread);
201 
202 extern status_t		_kern_set_scheduler_mode(int32 mode);
203 extern int32		_kern_get_scheduler_mode(void);
204 
205 // user/group functions
206 extern gid_t		_kern_getgid(bool effective);
207 extern uid_t		_kern_getuid(bool effective);
208 extern status_t		_kern_setregid(gid_t rgid, gid_t egid,
209 						bool setAllIfPrivileged);
210 extern status_t		_kern_setreuid(uid_t ruid, uid_t euid,
211 						bool setAllIfPrivileged);
212 extern ssize_t		_kern_getgroups(int groupCount, gid_t* groupList);
213 extern status_t		_kern_setgroups(int groupCount, const gid_t* groupList);
214 
215 // signal functions
216 extern status_t		_kern_send_signal(int32 id, uint32 signal,
217 						const union sigval* userValue, uint32 flags);
218 extern status_t		_kern_set_signal_mask(int how, const sigset_t *set,
219 						sigset_t *oldSet);
220 extern status_t		_kern_sigaction(int sig, const struct sigaction *action,
221 						struct sigaction *oldAction);
222 extern status_t		_kern_sigwait(const sigset_t *set, siginfo_t *info,
223 						uint32 flags, bigtime_t timeout);
224 extern status_t		_kern_sigsuspend(const sigset_t *mask);
225 extern status_t		_kern_sigpending(sigset_t *set);
226 extern status_t		_kern_set_signal_stack(const stack_t *newStack,
227 						stack_t *oldStack);
228 
229 // image functions
230 extern image_id		_kern_register_image(extended_image_info *info,
231 						size_t size);
232 extern status_t		_kern_unregister_image(image_id id);
233 extern void			_kern_image_relocated(image_id id);
234 extern void			_kern_loading_app_failed(status_t error);
235 extern status_t		_kern_get_image_info(image_id id, image_info *info,
236 						size_t size);
237 extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie,
238 						image_info *info, size_t size);
239 extern status_t		_kern_read_kernel_image_symbols(image_id id,
240 						elf_sym* symbolTable, int32* _symbolCount,
241 						char* stringTable, size_t* _stringTableSize,
242 						addr_t* _imageDelta);
243 
244 // VFS functions
245 extern dev_t		_kern_mount(const char *path, const char *device,
246 						const char *fs_name, uint32 flags, const char *args,
247 						size_t argsLength);
248 extern status_t		_kern_unmount(const char *path, uint32 flags);
249 extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
250 extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info,
251 						int mask);
252 extern dev_t		_kern_next_device(int32 *_cookie);
253 extern status_t		_kern_sync(void);
254 extern status_t		_kern_entry_ref_to_path(dev_t device, ino_t inode,
255 						const char *leaf, char *userPath, size_t pathLength);
256 extern status_t		_kern_normalize_path(const char* userPath,
257 						bool traverseLink, char* buffer);
258 extern int			_kern_open_entry_ref(dev_t device, ino_t inode,
259 						const char *name, int openMode, int perms);
260 extern int			_kern_open(int fd, const char *path, int openMode,
261 						int perms);
262 extern int			_kern_open_dir_entry_ref(dev_t device, ino_t inode,
263 						const char *name);
264 extern int			_kern_open_dir(int fd, const char *path);
265 extern int			_kern_open_parent_dir(int fd, char *name,
266 						size_t nameLength);
267 extern status_t		_kern_fcntl(int fd, int op, size_t argument);
268 extern status_t		_kern_fsync(int fd);
269 extern status_t		_kern_flock(int fd, int op);
270 extern off_t		_kern_seek(int fd, off_t pos, int seekType);
271 extern status_t		_kern_create_dir_entry_ref(dev_t device, ino_t inode,
272 						const char *name, int perms);
273 extern status_t		_kern_create_dir(int fd, const char *path, int perms);
274 extern status_t		_kern_remove_dir(int fd, const char *path);
275 extern status_t		_kern_read_link(int fd, const char *path, char *buffer,
276 						size_t *_bufferSize);
277 extern status_t		_kern_create_symlink(int fd, const char *path,
278 						const char *toPath, int mode);
279 extern status_t		_kern_create_link(int pathFD, const char *path, int toFD,
280 						const char *toPath, bool traverseLeafLink);
281 extern status_t		_kern_unlink(int fd, const char *path);
282 extern status_t		_kern_rename(int oldDir, const char *oldpath, int newDir,
283 						const char *newpath);
284 extern status_t		_kern_create_fifo(int fd, const char *path, mode_t perms);
285 extern status_t		_kern_create_pipe(int *fds);
286 extern status_t		_kern_access(int fd, const char *path, int mode,
287 						bool effectiveUserGroup);
288 extern ssize_t		_kern_select(int numfds, struct fd_set *readSet,
289 						struct fd_set *writeSet, struct fd_set *errorSet,
290 						bigtime_t timeout, const sigset_t *sigMask);
291 extern ssize_t		_kern_poll(struct pollfd *fds, int numFDs,
292 						bigtime_t timeout, const sigset_t *sigMask);
293 
294 extern int			_kern_open_attr_dir(int fd, const char *path,
295 						bool traverseLeafLink);
296 extern ssize_t		_kern_read_attr(int fd, const char *attribute, off_t pos,
297 						void *buffer, size_t readBytes);
298 extern ssize_t		_kern_write_attr(int fd, const char *attribute, uint32 type,
299 						off_t pos, const void *buffer, size_t readBytes);
300 extern status_t		_kern_stat_attr(int fd, const char *attribute,
301 						struct attr_info *attrInfo);
302 extern int			_kern_open_attr(int fd, const char* path, const char *name,
303 						uint32 type, int openMode);
304 extern status_t		_kern_remove_attr(int fd, const char *name);
305 extern status_t		_kern_rename_attr(int fromFile, const char *fromName,
306 						int toFile, const char *toName);
307 extern int			_kern_open_index_dir(dev_t device);
308 extern status_t		_kern_create_index(dev_t device, const char *name,
309 						uint32 type, uint32 flags);
310 extern status_t		_kern_read_index_stat(dev_t device, const char *name,
311 						struct stat *stat);
312 extern status_t		_kern_remove_index(dev_t device, const char *name);
313 extern status_t		_kern_getcwd(char *buffer, size_t size);
314 extern status_t		_kern_setcwd(int fd, const char *path);
315 extern int			_kern_open_query(dev_t device, const char *query,
316 						size_t queryLength, uint32 flags, port_id port,
317 						int32 token);
318 
319 // file descriptor functions
320 extern ssize_t		_kern_read(int fd, off_t pos, void *buffer,
321 						size_t bufferSize);
322 extern ssize_t		_kern_readv(int fd, off_t pos, const struct iovec *vecs,
323 						size_t count);
324 extern ssize_t		_kern_write(int fd, off_t pos, const void *buffer,
325 						size_t bufferSize);
326 extern ssize_t		_kern_writev(int fd, off_t pos, const struct iovec *vecs,
327 						size_t count);
328 extern status_t		_kern_ioctl(int fd, uint32 cmd, void *data, size_t length);
329 extern ssize_t		_kern_read_dir(int fd, struct dirent *buffer,
330 						size_t bufferSize, uint32 maxCount);
331 extern status_t		_kern_rewind_dir(int fd);
332 extern status_t		_kern_read_stat(int fd, const char *path, bool traverseLink,
333 						struct stat *stat, size_t statSize);
334 extern status_t		_kern_write_stat(int fd, const char *path,
335 						bool traverseLink, const struct stat *stat,
336 						size_t statSize, int statMask);
337 extern status_t		_kern_close(int fd);
338 extern int			_kern_dup(int fd);
339 extern int			_kern_dup2(int ofd, int nfd);
340 extern status_t		_kern_lock_node(int fd);
341 extern status_t		_kern_unlock_node(int fd);
342 extern status_t		_kern_get_next_fd_info(team_id team, uint32 *_cookie,
343 						struct fd_info *info, size_t infoSize);
344 extern status_t		_kern_preallocate(int fd, off_t offset, off_t length);
345 
346 // socket functions
347 extern int			_kern_socket(int family, int type, int protocol);
348 extern status_t		_kern_bind(int socket, const struct sockaddr *address,
349 						socklen_t addressLength);
350 extern status_t		_kern_shutdown_socket(int socket, int how);
351 extern status_t		_kern_connect(int socket, const struct sockaddr *address,
352 						socklen_t addressLength);
353 extern status_t		_kern_listen(int socket, int backlog);
354 extern int			_kern_accept(int socket, struct sockaddr *address,
355 						socklen_t *_addressLength);
356 extern ssize_t		_kern_recv(int socket, void *data, size_t length,
357 						int flags);
358 extern ssize_t		_kern_recvfrom(int socket, void *data, size_t length,
359 						int flags, struct sockaddr *address,
360 						socklen_t *_addressLength);
361 extern ssize_t		_kern_recvmsg(int socket, struct msghdr *message,
362 						int flags);
363 extern ssize_t		_kern_send(int socket, const void *data, size_t length,
364 						int flags);
365 extern ssize_t		_kern_sendto(int socket, const void *data, size_t length,
366 						int flags, const struct sockaddr *address,
367 						socklen_t addressLength);
368 extern ssize_t		_kern_sendmsg(int socket, const struct msghdr *message,
369 						int flags);
370 extern status_t		_kern_getsockopt(int socket, int level, int option,
371 						void *value, socklen_t *_length);
372 extern status_t		_kern_setsockopt(int socket, int level, int option,
373 						const void *value, socklen_t length);
374 extern status_t		_kern_getpeername(int socket, struct sockaddr *address,
375 						socklen_t *_addressLength);
376 extern status_t		_kern_getsockname(int socket, struct sockaddr *address,
377 						socklen_t *_addressLength);
378 extern int			_kern_sockatmark(int socket);
379 extern status_t		_kern_socketpair(int family, int type, int protocol,
380 						int *socketVector);
381 extern status_t		_kern_get_next_socket_stat(int family, uint32 *cookie,
382 						struct net_stat *stat);
383 
384 // node monitor functions
385 extern status_t		_kern_stop_notifying(port_id port, uint32 token);
386 extern status_t		_kern_start_watching(dev_t device, ino_t node, uint32 flags,
387 						port_id port, uint32 token);
388 extern status_t		_kern_stop_watching(dev_t device, ino_t node, port_id port,
389 						uint32 token);
390 
391 // time functions
392 extern status_t		_kern_set_real_time_clock(bigtime_t time);
393 extern status_t		_kern_set_timezone(int32 timezoneOffset, const char *name,
394 						size_t nameLength);
395 extern status_t		_kern_get_timezone(int32 *_timezoneOffset, char *name,
396 						size_t nameLength);
397 extern status_t		_kern_set_real_time_clock_is_gmt(bool isGMT);
398 extern status_t		_kern_get_real_time_clock_is_gmt(bool *_isGMT);
399 
400 extern status_t		_kern_get_clock(clockid_t clockID, bigtime_t* _time);
401 extern status_t		_kern_set_clock(clockid_t clockID, bigtime_t time);
402 
403 extern bigtime_t	_kern_system_time();
404 extern status_t		_kern_snooze_etc(bigtime_t time, int timebase, int32 flags,
405 						bigtime_t* _remainingTime);
406 
407 extern int32		_kern_create_timer(clockid_t clockID, thread_id threadID,
408 						uint32 flags, const struct sigevent* event,
409 						const struct thread_creation_attributes*
410 							threadAttributes);
411 extern status_t		_kern_delete_timer(int32 timerID, thread_id threadID);
412 extern status_t		_kern_get_timer(int32 timerID, thread_id threadID,
413 						struct user_timer_info* info);
414 extern status_t		_kern_set_timer(int32 timerID, thread_id threadID,
415 						bigtime_t startTime, bigtime_t interval, uint32 flags,
416 						struct user_timer_info* oldInfo);
417 
418 // area functions
419 extern area_id		_kern_create_area(const char *name, void **address,
420 						uint32 addressSpec, size_t size, uint32 lock,
421 						uint32 protection);
422 extern status_t		_kern_delete_area(area_id area);
423 extern area_id		_kern_area_for(void *address);
424 extern area_id		_kern_find_area(const char *name);
425 extern status_t		_kern_get_area_info(area_id area, area_info *info);
426 extern status_t		_kern_get_next_area_info(team_id team, ssize_t *cookie,
427 						area_info *info);
428 extern status_t		_kern_resize_area(area_id area, size_t newSize);
429 extern area_id		_kern_transfer_area(area_id area, void **_address,
430 						uint32 addressSpec, team_id target);
431 extern status_t		_kern_set_area_protection(area_id area,
432 						uint32 newProtection);
433 extern area_id		_kern_clone_area(const char *name, void **_address,
434 						uint32 addressSpec, uint32 protection,
435 						area_id sourceArea);
436 extern status_t		_kern_reserve_address_range(addr_t* _address,
437 						uint32 addressSpec, addr_t size);
438 extern status_t		_kern_unreserve_address_range(addr_t address, addr_t size);
439 
440 extern area_id		_kern_map_file(const char *name, void **address,
441 						uint32 addressSpec, size_t size, uint32 protection,
442 						uint32 mapping, bool unmapAddressRange, int fd,
443 						off_t offset);
444 extern status_t		_kern_unmap_memory(void *address, size_t size);
445 extern status_t		_kern_set_memory_protection(void *address, size_t size,
446 						uint32 protection);
447 extern status_t		_kern_sync_memory(void *address, size_t size, int flags);
448 extern status_t		_kern_memory_advice(void *address, size_t size,
449 						uint32 advice);
450 
451 extern status_t		_kern_get_memory_properties(team_id teamID,
452 						const void *address, uint32* _protected, uint32* _lock);
453 
454 extern status_t		_kern_mlock(const void* address, size_t size);
455 extern status_t		_kern_munlock(const void* address, size_t size);
456 
457 /* kernel port functions */
458 extern port_id		_kern_create_port(int32 queue_length, const char *name);
459 extern status_t		_kern_close_port(port_id id);
460 extern status_t		_kern_delete_port(port_id id);
461 extern port_id		_kern_find_port(const char *port_name);
462 extern status_t		_kern_get_port_info(port_id id, struct port_info *info);
463 extern status_t		_kern_get_next_port_info(team_id team, int32 *cookie,
464 						struct port_info *info);
465 extern ssize_t		_kern_port_buffer_size_etc(port_id port, uint32 flags,
466 						bigtime_t timeout);
467 extern int32		_kern_port_count(port_id port);
468 extern ssize_t		_kern_read_port_etc(port_id port, int32 *msgCode,
469 						void *msgBuffer, size_t bufferSize, uint32 flags,
470 						bigtime_t timeout);
471 extern status_t		_kern_set_port_owner(port_id port, team_id team);
472 extern status_t		_kern_write_port_etc(port_id port, int32 msgCode,
473 						const void *msgBuffer, size_t bufferSize, uint32 flags,
474 						bigtime_t timeout);
475 extern status_t		_kern_writev_port_etc(port_id id, int32 msgCode,
476 						const struct iovec *msgVecs, size_t vecCount,
477 						size_t bufferSize, uint32 flags, bigtime_t timeout);
478 extern status_t		_kern_get_port_message_info_etc(port_id port,
479 						port_message_info *info, size_t infoSize, uint32 flags,
480 						bigtime_t timeout);
481 
482 // debug support functions
483 extern status_t		_kern_kernel_debugger(const char *message);
484 extern void			_kern_register_syslog_daemon(port_id port);
485 extern void			_kern_debugger(const char *message);
486 extern int			_kern_disable_debugger(int state);
487 
488 extern status_t		_kern_install_default_debugger(port_id debuggerPort);
489 extern port_id		_kern_install_team_debugger(team_id team,
490 						port_id debuggerPort);
491 extern status_t		_kern_remove_team_debugger(team_id team);
492 extern status_t		_kern_debug_thread(thread_id thread);
493 extern void			_kern_wait_for_debugger(void);
494 
495 extern status_t		_kern_set_debugger_breakpoint(void *address, uint32 type,
496 						int32 length, bool watchpoint);
497 extern status_t		_kern_clear_debugger_breakpoint(void *address,
498 						bool watchpoint);
499 
500 extern status_t		_kern_system_profiler_start(
501 						struct system_profiler_parameters* parameters);
502 extern status_t		_kern_system_profiler_next_buffer(size_t bytesRead,
503 						uint64* _droppedEvents);
504 extern status_t		_kern_system_profiler_stop();
505 extern status_t		_kern_system_profiler_recorded(
506 						struct system_profiler_parameters* parameters);
507 
508 /* atomic_* ops (needed for CPUs that don't support them directly) */
509 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
510 extern void		_kern_atomic_set(int32 *value, int32 newValue);
511 extern int32		_kern_atomic_get_and_set(int32 *value, int32 newValue);
512 extern int32		_kern_atomic_test_and_set(int32 *value, int32 newValue,
513 						int32 testAgainst);
514 extern int32		_kern_atomic_add(int32 *value, int32 addValue);
515 extern int32		_kern_atomic_and(int32 *value, int32 andValue);
516 extern int32		_kern_atomic_or(int32 *value, int32 orValue);
517 extern int32		_kern_atomic_get(int32 *value);
518 #endif	// ATOMIC_FUNCS_ARE_SYSCALLS
519 
520 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
521 extern void		_kern_atomic_set64(int64 *value, int64 newValue);
522 extern int64		_kern_atomic_get_and_set64(int64 *value, int64 newValue);
523 extern int64		_kern_atomic_test_and_set64(int64 *value, int64 newValue,
524 						int64 testAgainst);
525 extern int64		_kern_atomic_add64(int64 *value, int64 addValue);
526 extern int64		_kern_atomic_and64(int64 *value, int64 andValue);
527 extern int64		_kern_atomic_or64(int64 *value, int64 orValue);
528 extern int64		_kern_atomic_get64(int64 *value);
529 #endif	// ATOMIC64_FUNCS_ARE_SYSCALLS
530 
531 /* System informations */
532 extern status_t		_kern_get_system_info(system_info* info);
533 extern status_t		_kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount,
534 						cpu_info* info);
535 extern status_t		_kern_get_cpu_topology_info(
536 						cpu_topology_node_info* topologyInfos,
537 						uint32* topologyInfoCount);
538 
539 extern status_t		_kern_analyze_scheduling(bigtime_t from, bigtime_t until,
540 						void* buffer, size_t size,
541 						struct scheduling_analysis* analysis);
542 
543 /* Debug output */
544 extern void			_kern_debug_output(const char *message);
545 extern void			_kern_ktrace_output(const char *message);
546 extern status_t		_kern_frame_buffer_update(addr_t baseAddress, int32 width,
547 						int32 height, int32 depth, int32 bytesPerRow);
548 
549 /* messaging service */
550 extern area_id		_kern_register_messaging_service(sem_id lockingSem,
551 						sem_id counterSem);
552 extern status_t		_kern_unregister_messaging_service();
553 
554 extern void			_kern_clear_caches(void *address, size_t length,
555 						uint32 flags);
556 extern bool			_kern_cpu_enabled(int32 cpu);
557 extern status_t		_kern_set_cpu_enabled(int32 cpu, bool enabled);
558 
559 #if defined(__i386__) || defined(__x86_64__)
560 // our only x86 only syscall
561 extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
562 #endif
563 
564 
565 /* Disk Device Manager syscalls */
566 
567 // iterating, retrieving device/partition data
568 extern partition_id	_kern_get_next_disk_device_id(int32 *cookie,
569 						size_t *neededSize);
570 extern partition_id	_kern_find_disk_device(const char *filename,
571 						size_t *neededSize);
572 extern partition_id	_kern_find_partition(const char *filename,
573 						size_t *neededSize);
574 extern partition_id	_kern_find_file_disk_device(const char *filename,
575 						size_t *neededSize);
576 extern status_t		_kern_get_disk_device_data(partition_id deviceID,
577 						bool deviceOnly, struct user_disk_device_data *buffer,
578 						size_t bufferSize, size_t *neededSize);
579 extern partition_id	_kern_register_file_device(const char *filename);
580 extern status_t		_kern_unregister_file_device(partition_id deviceID,
581 						const char *filename);
582 	// Only a valid deviceID or filename need to be passed. The other one
583 	// is -1/NULL. If both is given only filename is ignored.
584 extern status_t		_kern_get_file_disk_device_path(partition_id id,
585 						char* buffer, size_t bufferSize);
586 
587 // disk systems
588 extern status_t		_kern_get_disk_system_info(disk_system_id id,
589 						struct user_disk_system_info *info);
590 extern status_t		_kern_get_next_disk_system_info(int32 *cookie,
591 						struct user_disk_system_info *info);
592 extern status_t		_kern_find_disk_system(const char *name,
593 						struct user_disk_system_info *info);
594 
595 // disk device modification
596 extern status_t		_kern_defragment_partition(partition_id partitionID,
597 						int32* changeCounter);
598 extern status_t		_kern_repair_partition(partition_id partitionID,
599 						int32* changeCounter, bool checkOnly);
600 extern status_t		_kern_resize_partition(partition_id partitionID,
601 						int32* changeCounter, partition_id childID,
602 						int32* childChangeCounter, off_t size,
603 						off_t contentSize);
604 extern status_t		_kern_move_partition(partition_id partitionID,
605 						int32* changeCounter, partition_id childID,
606 						int32* childChangeCounter, off_t newOffset,
607 						partition_id* descendantIDs,
608 						int32* descendantChangeCounters, int32 descendantCount);
609 extern status_t		_kern_set_partition_name(partition_id partitionID,
610 						int32* changeCounter, partition_id childID,
611 						int32* childChangeCounter, const char* name);
612 extern status_t		_kern_set_partition_content_name(partition_id partitionID,
613 						int32* changeCounter, const char* name);
614 extern status_t		_kern_set_partition_type(partition_id partitionID,
615 						int32* changeCounter, partition_id childID,
616 						int32* childChangeCounter, const char* type);
617 extern status_t		_kern_set_partition_parameters(partition_id partitionID,
618 						int32* changeCounter, partition_id childID,
619 						int32* childChangeCounter, const char* parameters);
620 extern status_t		_kern_set_partition_content_parameters(
621 						partition_id partitionID, int32* changeCounter,
622 						const char* parameters);
623 extern status_t		_kern_initialize_partition(partition_id partitionID,
624 						int32* changeCounter, const char* diskSystemName,
625 						const char* name, const char* parameters);
626 extern status_t		_kern_uninitialize_partition(partition_id partitionID,
627 						int32* changeCounter, partition_id parentID,
628 						int32* parentChangeCounter);
629 extern status_t		_kern_create_child_partition(partition_id partitionID,
630 						int32* changeCounter, off_t offset, off_t size,
631 						const char* type, const char* name,
632 						const char* parameters, partition_id* childID,
633 						int32* childChangeCounter);
634 extern status_t		_kern_delete_child_partition(partition_id partitionID,
635 						int32* changeCounter, partition_id childID,
636 						int32 childChangeCounter);
637 
638 // disk change notification
639 extern status_t		_kern_start_watching_disks(uint32 eventMask, port_id port,
640 						int32 token);
641 extern status_t		_kern_stop_watching_disks(port_id port, int32 token);
642 
643 
644 // The end mark for gensyscallinfos.
645 #ifdef GEN_SYSCALL_INFOS_PROCESSING
646 #pragma syscalls end
647 #endif
648 
649 #undef __NO_RETURN
650 
651 #ifdef __cplusplus
652 }
653 #endif
654 
655 #endif	/* _SYSTEM_SYSCALLS_H */
656