headers/private/system/syscalls.h

   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);
 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
 342 // socket functions
 343 extern int                      _kern_socket(int family, int type, int protocol);
 344 extern status_t         _kern_bind(int socket, const struct sockaddr *address,
 345                                                 socklen_t addressLength);
 346 extern status_t         _kern_shutdown_socket(int socket, int how);
 347 extern status_t         _kern_connect(int socket, const struct sockaddr *address,
 348                                                 socklen_t addressLength);
 349 extern status_t         _kern_listen(int socket, int backlog);
 350 extern int                      _kern_accept(int socket, struct sockaddr *address,
 351                                                 socklen_t *_addressLength);
 352 extern ssize_t          _kern_recv(int socket, void *data, size_t length,
 353                                                 int flags);
 354 extern ssize_t          _kern_recvfrom(int socket, void *data, size_t length,
 355                                                 int flags, struct sockaddr *address,
 356                                                 socklen_t *_addressLength);
 357 extern ssize_t          _kern_recvmsg(int socket, struct msghdr *message,
 358                                                 int flags);
 359 extern ssize_t          _kern_send(int socket, const void *data, size_t length,
 360                                                 int flags);
 361 extern ssize_t          _kern_sendto(int socket, const void *data, size_t length,
 362                                                 int flags, const struct sockaddr *address,
 363                                                 socklen_t addressLength);
 364 extern ssize_t          _kern_sendmsg(int socket, const struct msghdr *message,
 365                                                 int flags);
 366 extern status_t         _kern_getsockopt(int socket, int level, int option,
 367                                                 void *value, socklen_t *_length);
 368 extern status_t         _kern_setsockopt(int socket, int level, int option,
 369                                                 const void *value, socklen_t length);
 370 extern status_t         _kern_getpeername(int socket, struct sockaddr *address,
 371                                                 socklen_t *_addressLength);
 372 extern status_t         _kern_getsockname(int socket, struct sockaddr *address,
 373                                                 socklen_t *_addressLength);
 374 extern int                      _kern_sockatmark(int socket);
 375 extern status_t         _kern_socketpair(int family, int type, int protocol,
 376                                                 int *socketVector);
 377 extern status_t         _kern_get_next_socket_stat(int family, uint32 *cookie,
 378                                                 struct net_stat *stat);
 379
 380 // node monitor functions
 381 extern status_t         _kern_stop_notifying(port_id port, uint32 token);
 382 extern status_t         _kern_start_watching(dev_t device, ino_t node, uint32 flags,
 383                                                 port_id port, uint32 token);
 384 extern status_t         _kern_stop_watching(dev_t device, ino_t node, port_id port,
 385                                                 uint32 token);
 386
 387 // time functions
 388 extern status_t         _kern_set_real_time_clock(bigtime_t time);
 389 extern status_t         _kern_set_timezone(int32 timezoneOffset, const char *name,
 390                                                 size_t nameLength);
 391 extern status_t         _kern_get_timezone(int32 *_timezoneOffset, char *name,
 392                                                 size_t nameLength);
 393 extern status_t         _kern_set_real_time_clock_is_gmt(bool isGMT);
 394 extern status_t         _kern_get_real_time_clock_is_gmt(bool *_isGMT);
 395
 396 extern status_t         _kern_get_clock(clockid_t clockID, bigtime_t* _time);
 397 extern status_t         _kern_set_clock(clockid_t clockID, bigtime_t time);
 398
 399 extern bigtime_t        _kern_system_time();
 400 extern status_t         _kern_snooze_etc(bigtime_t time, int timebase, int32 flags,
 401                                                 bigtime_t* _remainingTime);
 402
 403 extern int32            _kern_create_timer(clockid_t clockID, thread_id threadID,
 404                                                 uint32 flags, const struct sigevent* event,
 405                                                 const struct thread_creation_attributes*
 406                                                         threadAttributes);
 407 extern status_t         _kern_delete_timer(int32 timerID, thread_id threadID);
 408 extern status_t         _kern_get_timer(int32 timerID, thread_id threadID,
 409                                                 struct user_timer_info* info);
 410 extern status_t         _kern_set_timer(int32 timerID, thread_id threadID,
 411                                                 bigtime_t startTime, bigtime_t interval, uint32 flags,
 412                                                 struct user_timer_info* oldInfo);
 413
 414 // area functions
 415 extern area_id          _kern_create_area(const char *name, void **address,
 416                                                 uint32 addressSpec, size_t size, uint32 lock,
 417                                                 uint32 protection);
 418 extern status_t         _kern_delete_area(area_id area);
 419 extern area_id          _kern_area_for(void *address);
 420 extern area_id          _kern_find_area(const char *name);
 421 extern status_t         _kern_get_area_info(area_id area, area_info *info);
 422 extern status_t         _kern_get_next_area_info(team_id team, ssize_t *cookie,
 423                                                 area_info *info);
 424 extern status_t         _kern_resize_area(area_id area, size_t newSize);
 425 extern area_id          _kern_transfer_area(area_id area, void **_address,
 426                                                 uint32 addressSpec, team_id target);
 427 extern status_t         _kern_set_area_protection(area_id area,
 428                                                 uint32 newProtection);
 429 extern area_id          _kern_clone_area(const char *name, void **_address,
 430                                                 uint32 addressSpec, uint32 protection,
 431                                                 area_id sourceArea);
 432 extern status_t         _kern_reserve_address_range(addr_t* _address,
 433                                                 uint32 addressSpec, addr_t size);
 434 extern status_t         _kern_unreserve_address_range(addr_t address, addr_t size);
 435
 436 extern area_id          _kern_map_file(const char *name, void **address,
 437                                                 uint32 addressSpec, size_t size, uint32 protection,
 438                                                 uint32 mapping, bool unmapAddressRange, int fd,
 439                                                 off_t offset);
 440 extern status_t         _kern_unmap_memory(void *address, size_t size);
 441 extern status_t         _kern_set_memory_protection(void *address, size_t size,
 442                                                 uint32 protection);
 443 extern status_t         _kern_sync_memory(void *address, size_t size, int flags);
 444 extern status_t         _kern_memory_advice(void *address, size_t size,
 445                                                 uint32 advice);
 446
 447 extern status_t         _kern_get_memory_properties(team_id teamID,
 448                                                 const void *address, uint32* _protected, uint32* _lock);
 449
 450 /* kernel port functions */
 451 extern port_id          _kern_create_port(int32 queue_length, const char *name);
 452 extern status_t         _kern_close_port(port_id id);
 453 extern status_t         _kern_delete_port(port_id id);
 454 extern port_id          _kern_find_port(const char *port_name);
 455 extern status_t         _kern_get_port_info(port_id id, struct port_info *info);
 456 extern status_t         _kern_get_next_port_info(team_id team, int32 *cookie,
 457                                                 struct port_info *info);
 458 extern ssize_t          _kern_port_buffer_size_etc(port_id port, uint32 flags,
 459                                                 bigtime_t timeout);
 460 extern int32            _kern_port_count(port_id port);
 461 extern ssize_t          _kern_read_port_etc(port_id port, int32 *msgCode,
 462                                                 void *msgBuffer, size_t bufferSize, uint32 flags,
 463                                                 bigtime_t timeout);
 464 extern status_t         _kern_set_port_owner(port_id port, team_id team);
 465 extern status_t         _kern_write_port_etc(port_id port, int32 msgCode,
 466                                                 const void *msgBuffer, size_t bufferSize, uint32 flags,
 467                                                 bigtime_t timeout);
 468 extern status_t         _kern_writev_port_etc(port_id id, int32 msgCode,
 469                                                 const struct iovec *msgVecs, size_t vecCount,
 470                                                 size_t bufferSize, uint32 flags, bigtime_t timeout);
 471 extern status_t         _kern_get_port_message_info_etc(port_id port,
 472                                                 port_message_info *info, size_t infoSize, uint32 flags,
 473                                                 bigtime_t timeout);
 474
 475 // debug support functions
 476 extern status_t         _kern_kernel_debugger(const char *message);
 477 extern void                     _kern_register_syslog_daemon(port_id port);
 478 extern void                     _kern_debugger(const char *message);
 479 extern int                      _kern_disable_debugger(int state);
 480
 481 extern status_t         _kern_install_default_debugger(port_id debuggerPort);
 482 extern port_id          _kern_install_team_debugger(team_id team,
 483                                                 port_id debuggerPort);
 484 extern status_t         _kern_remove_team_debugger(team_id team);
 485 extern status_t         _kern_debug_thread(thread_id thread);
 486 extern void                     _kern_wait_for_debugger(void);
 487
 488 extern status_t         _kern_set_debugger_breakpoint(void *address, uint32 type,
 489                                                 int32 length, bool watchpoint);
 490 extern status_t         _kern_clear_debugger_breakpoint(void *address,
 491                                                 bool watchpoint);
 492
 493 extern status_t         _kern_system_profiler_start(
 494                                                 struct system_profiler_parameters* parameters);
 495 extern status_t         _kern_system_profiler_next_buffer(size_t bytesRead,
 496                                                 uint64* _droppedEvents);
 497 extern status_t         _kern_system_profiler_stop();
 498 extern status_t         _kern_system_profiler_recorded(
 499                                                 struct system_profiler_parameters* parameters);
 500
 501 /* atomic_* ops (needed for CPUs that don't support them directly) */
 502 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
 503 extern void             _kern_atomic_set(int32 *value, int32 newValue);
 504 extern int32            _kern_atomic_get_and_set(int32 *value, int32 newValue);
 505 extern int32            _kern_atomic_test_and_set(int32 *value, int32 newValue,
 506                                                 int32 testAgainst);
 507 extern int32            _kern_atomic_add(int32 *value, int32 addValue);
 508 extern int32            _kern_atomic_and(int32 *value, int32 andValue);
 509 extern int32            _kern_atomic_or(int32 *value, int32 orValue);
 510 extern int32            _kern_atomic_get(int32 *value);
 511 #endif  // ATOMIC_FUNCS_ARE_SYSCALLS
 512
 513 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
 514 extern void             _kern_atomic_set64(int64 *value, int64 newValue);
 515 extern int64            _kern_atomic_get_and_set64(int64 *value, int64 newValue);
 516 extern int64            _kern_atomic_test_and_set64(int64 *value, int64 newValue,
 517                                                 int64 testAgainst);
 518 extern int64            _kern_atomic_add64(int64 *value, int64 addValue);
 519 extern int64            _kern_atomic_and64(int64 *value, int64 andValue);
 520 extern int64            _kern_atomic_or64(int64 *value, int64 orValue);
 521 extern int64            _kern_atomic_get64(int64 *value);
 522 #endif  // ATOMIC64_FUNCS_ARE_SYSCALLS
 523
 524 /* System informations */
 525 extern status_t         _kern_get_system_info(system_info* info);
 526 extern status_t         _kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount,
 527                                                 cpu_info* info);
 528 extern status_t         _kern_get_cpu_topology_info(
 529                                                 cpu_topology_node_info* topologyInfos,
 530                                                 uint32* topologyInfoCount);
 531
 532 extern status_t         _kern_analyze_scheduling(bigtime_t from, bigtime_t until,
 533                                                 void* buffer, size_t size,
 534                                                 struct scheduling_analysis* analysis);
 535
 536 /* Debug output */
 537 extern void                     _kern_debug_output(const char *message);
 538 extern void                     _kern_ktrace_output(const char *message);
 539 extern status_t         _kern_frame_buffer_update(addr_t baseAddress, int32 width,
 540                                                 int32 height, int32 depth, int32 bytesPerRow);
 541
 542 /* messaging service */
 543 extern area_id          _kern_register_messaging_service(sem_id lockingSem,
 544                                                 sem_id counterSem);
 545 extern status_t         _kern_unregister_messaging_service();
 546
 547 extern void                     _kern_clear_caches(void *address, size_t length,
 548                                                 uint32 flags);
 549 extern bool                     _kern_cpu_enabled(int32 cpu);
 550 extern status_t         _kern_set_cpu_enabled(int32 cpu, bool enabled);
 551
 552 #if defined(__INTEL__) || defined(__x86_64__)
 553 // our only x86 only syscall
 554 extern status_t         _kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
 555 #endif
 556
 557
 558 /* Disk Device Manager syscalls */
 559
 560 // iterating, retrieving device/partition data
 561 extern partition_id     _kern_get_next_disk_device_id(int32 *cookie,
 562                                                 size_t *neededSize);
 563 extern partition_id     _kern_find_disk_device(const char *filename,
 564                                                 size_t *neededSize);
 565 extern partition_id     _kern_find_partition(const char *filename,
 566                                                 size_t *neededSize);
 567 extern partition_id     _kern_find_file_disk_device(const char *filename,
 568                                                 size_t *neededSize);
 569 extern status_t         _kern_get_disk_device_data(partition_id deviceID,
 570                                                 bool deviceOnly, struct user_disk_device_data *buffer,
 571                                                 size_t bufferSize, size_t *neededSize);
 572 extern partition_id     _kern_register_file_device(const char *filename);
 573 extern status_t         _kern_unregister_file_device(partition_id deviceID,
 574                                                 const char *filename);
 575         // Only a valid deviceID or filename need to be passed. The other one
 576         // is -1/NULL. If both is given only filename is ignored.
 577 extern status_t         _kern_get_file_disk_device_path(partition_id id,
 578                                                 char* buffer, size_t bufferSize);
 579
 580 // disk systems
 581 extern status_t         _kern_get_disk_system_info(disk_system_id id,
 582                                                 struct user_disk_system_info *info);
 583 extern status_t         _kern_get_next_disk_system_info(int32 *cookie,
 584                                                 struct user_disk_system_info *info);
 585 extern status_t         _kern_find_disk_system(const char *name,
 586                                                 struct user_disk_system_info *info);
 587
 588 // disk device modification
 589 extern status_t         _kern_defragment_partition(partition_id partitionID,
 590                                                 int32* changeCounter);
 591 extern status_t         _kern_repair_partition(partition_id partitionID,
 592                                                 int32* changeCounter, bool checkOnly);
 593 extern status_t         _kern_resize_partition(partition_id partitionID,
 594                                                 int32* changeCounter, partition_id childID,
 595                                                 int32* childChangeCounter, off_t size,
 596                                                 off_t contentSize);
 597 extern status_t         _kern_move_partition(partition_id partitionID,
 598                                                 int32* changeCounter, partition_id childID,
 599                                                 int32* childChangeCounter, off_t newOffset,
 600                                                 partition_id* descendantIDs,
 601                                                 int32* descendantChangeCounters, int32 descendantCount);
 602 extern status_t         _kern_set_partition_name(partition_id partitionID,
 603                                                 int32* changeCounter, partition_id childID,
 604                                                 int32* childChangeCounter, const char* name);
 605 extern status_t         _kern_set_partition_content_name(partition_id partitionID,
 606                                                 int32* changeCounter, const char* name);
 607 extern status_t         _kern_set_partition_type(partition_id partitionID,
 608                                                 int32* changeCounter, partition_id childID,
 609                                                 int32* childChangeCounter, const char* type);
 610 extern status_t         _kern_set_partition_parameters(partition_id partitionID,
 611                                                 int32* changeCounter, partition_id childID,
 612                                                 int32* childChangeCounter, const char* parameters);
 613 extern status_t         _kern_set_partition_content_parameters(
 614                                                 partition_id partitionID, int32* changeCounter,
 615                                                 const char* parameters);
 616 extern status_t         _kern_initialize_partition(partition_id partitionID,
 617                                                 int32* changeCounter, const char* diskSystemName,
 618                                                 const char* name, const char* parameters);
 619 extern status_t         _kern_uninitialize_partition(partition_id partitionID,
 620                                                 int32* changeCounter, partition_id parentID,
 621                                                 int32* parentChangeCounter);
 622 extern status_t         _kern_create_child_partition(partition_id partitionID,
 623                                                 int32* changeCounter, off_t offset, off_t size,
 624                                                 const char* type, const char* name,
 625                                                 const char* parameters, partition_id* childID,
 626                                                 int32* childChangeCounter);
 627 extern status_t         _kern_delete_child_partition(partition_id partitionID,
 628                                                 int32* changeCounter, partition_id childID,
 629                                                 int32 childChangeCounter);
 630
 631 // disk change notification
 632 extern status_t         _kern_start_watching_disks(uint32 eventMask, port_id port,
 633                                                 int32 token);
 634 extern status_t         _kern_stop_watching_disks(port_id port, int32 token);
 635
 636
 637 // The end mark for gensyscallinfos.
 638 #ifdef GEN_SYSCALL_INFOS_PROCESSING
 639 #pragma syscalls end
 640 #endif
 641
 642 #undef __NO_RETURN
 643
 644 #ifdef __cplusplus
 645 }
 646 #endif
 647
 648 #endif  /* _SYSTEM_SYSCALLS_H */