1 /* 2 * Copyright 2004-2011, 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_common.h> 12 #include <image.h> 13 #include <OS.h> 14 15 #include <signal.h> 16 #include <sys/socket.h> 17 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 struct attr_info; 24 struct dirent; 25 struct fd_info; 26 struct fd_set; 27 struct fs_info; 28 struct iovec; 29 struct msqid_ds; 30 struct net_stat; 31 struct pollfd; 32 struct rlimit; 33 struct scheduling_analysis; 34 struct _sem_t; 35 struct sembuf; 36 union semun; 37 struct sigaction; 38 struct signal_frame_data; 39 struct stat; 40 struct system_profiler_parameters; 41 struct user_timer_info; 42 43 struct disk_device_job_progress_info; 44 struct partitionable_space_data; 45 struct thread_creation_attributes; 46 struct user_disk_device_data; 47 struct user_disk_device_job_info; 48 struct user_disk_system_info; 49 50 // This marks the beginning of the syscalls prototypes for gensyscallinfos. 51 // NOTE: 52 // * Nothing but those prototypes may live here. 53 // * The arguments of the functions must be named to be processed properly. 54 55 #ifdef GEN_SYSCALL_INFOS_PROCESSING 56 # define __NO_RETURN 57 # pragma syscalls begin 58 #else 59 # define __NO_RETURN __attribute__((noreturn)) 60 #endif 61 62 extern int _kern_is_computer_on(void); 63 extern status_t _kern_generic_syscall(const char *subsystem, uint32 function, 64 void *buffer, size_t bufferSize); 65 66 extern int _kern_getrlimit(int resource, struct rlimit * rlp); 67 extern int _kern_setrlimit(int resource, const struct rlimit * rlp); 68 69 extern status_t _kern_shutdown(bool reboot); 70 extern status_t _kern_get_safemode_option(const char *parameter, 71 char *buffer, size_t *_bufferSize); 72 73 extern ssize_t _kern_wait_for_objects(object_wait_info* infos, int numInfos, 74 uint32 flags, bigtime_t timeout); 75 76 /* user mutex functions */ 77 extern status_t _kern_mutex_lock(int32* mutex, const char* name, 78 uint32 flags, bigtime_t timeout); 79 extern status_t _kern_mutex_unlock(int32* mutex, uint32 flags); 80 extern status_t _kern_mutex_switch_lock(int32* fromMutex, int32* toMutex, 81 const char* name, uint32 flags, bigtime_t timeout); 82 83 /* sem functions */ 84 extern sem_id _kern_create_sem(int count, const char *name); 85 extern status_t _kern_delete_sem(sem_id id); 86 extern status_t _kern_switch_sem(sem_id releaseSem, sem_id id); 87 extern status_t _kern_switch_sem_etc(sem_id releaseSem, sem_id id, 88 uint32 count, uint32 flags, bigtime_t timeout); 89 extern status_t _kern_acquire_sem(sem_id id); 90 extern status_t _kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags, 91 bigtime_t timeout); 92 extern status_t _kern_release_sem(sem_id id); 93 extern status_t _kern_release_sem_etc(sem_id id, uint32 count, uint32 flags); 94 extern status_t _kern_get_sem_count(sem_id id, int32* thread_count); 95 extern status_t _kern_get_sem_info(sem_id semaphore, struct sem_info *info, 96 size_t size); 97 extern status_t _kern_get_next_sem_info(team_id team, int32 *cookie, 98 struct sem_info *info, size_t size); 99 extern status_t _kern_set_sem_owner(sem_id id, team_id proc); 100 101 /* POSIX realtime sem syscalls */ 102 extern status_t _kern_realtime_sem_open(const char* name, 103 int openFlagsOrShared, mode_t mode, uint32 semCount, 104 struct _sem_t* userSem, struct _sem_t** _usedUserSem); 105 extern status_t _kern_realtime_sem_close(sem_id semID, 106 struct _sem_t** _deleteUserSem); 107 extern status_t _kern_realtime_sem_unlink(const char* name); 108 109 extern status_t _kern_realtime_sem_get_value(sem_id semID, int* value); 110 extern status_t _kern_realtime_sem_post(sem_id semID); 111 extern status_t _kern_realtime_sem_wait(sem_id semID, bigtime_t timeout); 112 113 /* POSIX XSI semaphore syscalls */ 114 extern int _kern_xsi_semget(key_t key, int numSems, int flags); 115 extern int _kern_xsi_semctl(int semID, int semNumber, int command, 116 union semun* args); 117 extern status_t _kern_xsi_semop(int semID, struct sembuf *semOps, 118 size_t numSemOps); 119 120 /* POSIX XSI message queue syscalls */ 121 extern int _kern_xsi_msgctl(int messageQueueID, int command, 122 struct msqid_ds *buffer); 123 extern int _kern_xsi_msgget(key_t key, int messageQueueFlags); 124 extern ssize_t _kern_xsi_msgrcv(int messageQueueID, void *messagePointer, 125 size_t messageSize, long messageType, int messageFlags); 126 extern int _kern_xsi_msgsnd(int messageQueueID, 127 const void *messagePointer, size_t messageSize, 128 int messageFlags); 129 130 /* team & thread syscalls */ 131 extern thread_id _kern_load_image(const char* const* flatArgs, 132 size_t flatArgsSize, int32 argCount, int32 envCount, 133 int32 priority, uint32 flags, port_id errorPort, 134 uint32 errorToken); 135 extern void __NO_RETURN _kern_exit_team(status_t returnValue); 136 extern status_t _kern_kill_team(team_id team); 137 extern team_id _kern_get_current_team(); 138 extern status_t _kern_wait_for_team(team_id team, status_t *_returnCode); 139 extern pid_t _kern_wait_for_child(thread_id child, uint32 flags, 140 siginfo_t* info); 141 extern status_t _kern_exec(const char *path, const char* const* flatArgs, 142 size_t flatArgsSize, int32 argCount, int32 envCount, 143 mode_t umask); 144 extern thread_id _kern_fork(void); 145 extern pid_t _kern_process_info(pid_t process, int32 which); 146 extern pid_t _kern_setpgid(pid_t process, pid_t group); 147 extern pid_t _kern_setsid(void); 148 extern status_t _kern_change_root(const char *path); 149 150 extern thread_id _kern_spawn_thread( 151 struct thread_creation_attributes* attributes); 152 extern thread_id _kern_find_thread(const char *name); 153 extern status_t _kern_suspend_thread(thread_id thread); 154 extern status_t _kern_resume_thread(thread_id thread); 155 extern status_t _kern_rename_thread(thread_id thread, const char *newName); 156 extern status_t _kern_set_thread_priority(thread_id thread, 157 int32 newPriority); 158 extern status_t _kern_kill_thread(thread_id thread); 159 extern void _kern_exit_thread(status_t returnValue); 160 extern status_t _kern_cancel_thread(thread_id threadID, 161 void (*cancelFunction)(int)); 162 extern void _kern_thread_yield(void); 163 extern status_t _kern_wait_for_thread(thread_id thread, 164 status_t *_returnCode); 165 extern bool _kern_has_data(thread_id thread); 166 extern status_t _kern_send_data(thread_id thread, int32 code, 167 const void *buffer, size_t bufferSize); 168 extern int32 _kern_receive_data(thread_id *_sender, void *buffer, 169 size_t bufferSize); 170 extern int64 _kern_restore_signal_frame( 171 struct signal_frame_data* signalFrameData); 172 173 extern status_t _kern_get_thread_info(thread_id id, thread_info *info); 174 extern status_t _kern_get_next_thread_info(team_id team, int32 *cookie, 175 thread_info *info); 176 extern status_t _kern_get_team_info(team_id id, team_info *info); 177 extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info); 178 extern status_t _kern_get_team_usage_info(team_id team, int32 who, 179 team_usage_info *info, size_t size); 180 extern status_t _kern_get_extended_team_info(team_id teamID, uint32 flags, 181 void* buffer, size_t size, size_t* _sizeNeeded); 182 183 extern status_t _kern_start_watching_system(int32 object, uint32 flags, 184 port_id port, int32 token); 185 extern status_t _kern_stop_watching_system(int32 object, uint32 flags, 186 port_id port, int32 token); 187 188 extern status_t _kern_block_thread(uint32 flags, bigtime_t timeout); 189 extern status_t _kern_unblock_thread(thread_id thread, status_t status); 190 extern status_t _kern_unblock_threads(thread_id* threads, uint32 count, 191 status_t status); 192 193 extern bigtime_t _kern_estimate_max_scheduling_latency(thread_id thread); 194 195 // user/group functions 196 extern gid_t _kern_getgid(bool effective); 197 extern uid_t _kern_getuid(bool effective); 198 extern status_t _kern_setregid(gid_t rgid, gid_t egid, 199 bool setAllIfPrivileged); 200 extern status_t _kern_setreuid(uid_t ruid, uid_t euid, 201 bool setAllIfPrivileged); 202 extern ssize_t _kern_getgroups(int groupCount, gid_t* groupList); 203 extern status_t _kern_setgroups(int groupCount, const gid_t* groupList); 204 205 // signal functions 206 extern status_t _kern_send_signal(int32 id, uint32 signal, 207 const union sigval* userValue, uint32 flags); 208 extern status_t _kern_set_signal_mask(int how, const sigset_t *set, 209 sigset_t *oldSet); 210 extern status_t _kern_sigaction(int sig, const struct sigaction *action, 211 struct sigaction *oldAction); 212 extern status_t _kern_sigwait(const sigset_t *set, siginfo_t *info, 213 uint32 flags, bigtime_t timeout); 214 extern status_t _kern_sigsuspend(const sigset_t *mask); 215 extern status_t _kern_sigpending(sigset_t *set); 216 extern status_t _kern_set_signal_stack(const stack_t *newStack, 217 stack_t *oldStack); 218 219 // image functions 220 extern image_id _kern_register_image(image_info *info, size_t size); 221 extern status_t _kern_unregister_image(image_id id); 222 extern void _kern_image_relocated(image_id id); 223 extern void _kern_loading_app_failed(status_t error); 224 extern status_t _kern_get_image_info(image_id id, image_info *info, 225 size_t size); 226 extern status_t _kern_get_next_image_info(team_id team, int32 *cookie, 227 image_info *info, size_t size); 228 extern status_t _kern_read_kernel_image_symbols(image_id id, 229 elf_sym* symbolTable, int32* _symbolCount, 230 char* stringTable, size_t* _stringTableSize, 231 addr_t* _imageDelta); 232 233 // VFS functions 234 extern dev_t _kern_mount(const char *path, const char *device, 235 const char *fs_name, uint32 flags, const char *args, 236 size_t argsLength); 237 extern status_t _kern_unmount(const char *path, uint32 flags); 238 extern status_t _kern_read_fs_info(dev_t device, struct fs_info *info); 239 extern status_t _kern_write_fs_info(dev_t device, const struct fs_info *info, 240 int mask); 241 extern dev_t _kern_next_device(int32 *_cookie); 242 extern status_t _kern_sync(void); 243 extern status_t _kern_entry_ref_to_path(dev_t device, ino_t inode, 244 const char *leaf, char *userPath, size_t pathLength); 245 extern status_t _kern_normalize_path(const char* userPath, 246 bool traverseLink, char* buffer); 247 extern int _kern_open_entry_ref(dev_t device, ino_t inode, 248 const char *name, int openMode, int perms); 249 extern int _kern_open(int fd, const char *path, int openMode, 250 int perms); 251 extern int _kern_open_dir_entry_ref(dev_t device, ino_t inode, 252 const char *name); 253 extern int _kern_open_dir(int fd, const char *path); 254 extern int _kern_open_parent_dir(int fd, char *name, 255 size_t nameLength); 256 extern status_t _kern_fcntl(int fd, int op, size_t argument); 257 extern status_t _kern_fsync(int fd); 258 extern status_t _kern_flock(int fd, int op); 259 extern off_t _kern_seek(int fd, off_t pos, int seekType); 260 extern status_t _kern_create_dir_entry_ref(dev_t device, ino_t inode, 261 const char *name, int perms); 262 extern status_t _kern_create_dir(int fd, const char *path, int perms); 263 extern status_t _kern_remove_dir(int fd, const char *path); 264 extern status_t _kern_read_link(int fd, const char *path, char *buffer, 265 size_t *_bufferSize); 266 extern status_t _kern_create_symlink(int fd, const char *path, 267 const char *toPath, int mode); 268 extern status_t _kern_create_link(int pathFD, const char *path, int toFD, 269 const char *toPath, bool traverseLeafLink); 270 extern status_t _kern_unlink(int fd, const char *path); 271 extern status_t _kern_rename(int oldDir, const char *oldpath, int newDir, 272 const char *newpath); 273 extern status_t _kern_create_fifo(int fd, const char *path, mode_t perms); 274 extern status_t _kern_create_pipe(int *fds); 275 extern status_t _kern_access(int fd, const char *path, int mode, 276 bool effectiveUserGroup); 277 extern ssize_t _kern_select(int numfds, struct fd_set *readSet, 278 struct fd_set *writeSet, struct fd_set *errorSet, 279 bigtime_t timeout, const sigset_t *sigMask); 280 extern ssize_t _kern_poll(struct pollfd *fds, int numFDs, 281 bigtime_t timeout); 282 283 extern int _kern_open_attr_dir(int fd, const char *path, 284 bool traverseLeafLink); 285 extern ssize_t _kern_read_attr(int fd, const char *attribute, off_t pos, 286 void *buffer, size_t readBytes); 287 extern ssize_t _kern_write_attr(int fd, const char *attribute, uint32 type, 288 off_t pos, const void *buffer, size_t readBytes); 289 extern status_t _kern_stat_attr(int fd, const char *attribute, 290 struct attr_info *attrInfo); 291 extern int _kern_open_attr(int fd, const char* path, const char *name, 292 uint32 type, int openMode); 293 extern status_t _kern_remove_attr(int fd, const char *name); 294 extern status_t _kern_rename_attr(int fromFile, const char *fromName, 295 int toFile, const char *toName); 296 extern int _kern_open_index_dir(dev_t device); 297 extern status_t _kern_create_index(dev_t device, const char *name, 298 uint32 type, uint32 flags); 299 extern status_t _kern_read_index_stat(dev_t device, const char *name, 300 struct stat *stat); 301 extern status_t _kern_remove_index(dev_t device, const char *name); 302 extern status_t _kern_getcwd(char *buffer, size_t size); 303 extern status_t _kern_setcwd(int fd, const char *path); 304 extern int _kern_open_query(dev_t device, const char *query, 305 size_t queryLength, uint32 flags, port_id port, 306 int32 token); 307 308 // file descriptor functions 309 extern ssize_t _kern_read(int fd, off_t pos, void *buffer, 310 size_t bufferSize); 311 extern ssize_t _kern_readv(int fd, off_t pos, const struct iovec *vecs, 312 size_t count); 313 extern ssize_t _kern_write(int fd, off_t pos, const void *buffer, 314 size_t bufferSize); 315 extern ssize_t _kern_writev(int fd, off_t pos, const struct iovec *vecs, 316 size_t count); 317 extern status_t _kern_ioctl(int fd, uint32 cmd, void *data, size_t length); 318 extern ssize_t _kern_read_dir(int fd, struct dirent *buffer, 319 size_t bufferSize, uint32 maxCount); 320 extern status_t _kern_rewind_dir(int fd); 321 extern status_t _kern_read_stat(int fd, const char *path, bool traverseLink, 322 struct stat *stat, size_t statSize); 323 extern status_t _kern_write_stat(int fd, const char *path, 324 bool traverseLink, const struct stat *stat, 325 size_t statSize, int statMask); 326 extern status_t _kern_close(int fd); 327 extern int _kern_dup(int fd); 328 extern int _kern_dup2(int ofd, int nfd); 329 extern status_t _kern_lock_node(int fd); 330 extern status_t _kern_unlock_node(int fd); 331 extern status_t _kern_get_next_fd_info(team_id team, uint32 *_cookie, 332 struct fd_info *info, size_t infoSize); 333 334 // socket functions 335 extern int _kern_socket(int family, int type, int protocol); 336 extern status_t _kern_bind(int socket, const struct sockaddr *address, 337 socklen_t addressLength); 338 extern status_t _kern_shutdown_socket(int socket, int how); 339 extern status_t _kern_connect(int socket, const struct sockaddr *address, 340 socklen_t addressLength); 341 extern status_t _kern_listen(int socket, int backlog); 342 extern int _kern_accept(int socket, struct sockaddr *address, 343 socklen_t *_addressLength); 344 extern ssize_t _kern_recv(int socket, void *data, size_t length, 345 int flags); 346 extern ssize_t _kern_recvfrom(int socket, void *data, size_t length, 347 int flags, struct sockaddr *address, 348 socklen_t *_addressLength); 349 extern ssize_t _kern_recvmsg(int socket, struct msghdr *message, 350 int flags); 351 extern ssize_t _kern_send(int socket, const void *data, size_t length, 352 int flags); 353 extern ssize_t _kern_sendto(int socket, const void *data, size_t length, 354 int flags, const struct sockaddr *address, 355 socklen_t addressLength); 356 extern ssize_t _kern_sendmsg(int socket, const struct msghdr *message, 357 int flags); 358 extern status_t _kern_getsockopt(int socket, int level, int option, 359 void *value, socklen_t *_length); 360 extern status_t _kern_setsockopt(int socket, int level, int option, 361 const void *value, socklen_t length); 362 extern status_t _kern_getpeername(int socket, struct sockaddr *address, 363 socklen_t *_addressLength); 364 extern status_t _kern_getsockname(int socket, struct sockaddr *address, 365 socklen_t *_addressLength); 366 extern int _kern_sockatmark(int socket); 367 extern status_t _kern_socketpair(int family, int type, int protocol, 368 int *socketVector); 369 extern status_t _kern_get_next_socket_stat(int family, uint32 *cookie, 370 struct net_stat *stat); 371 372 // node monitor functions 373 extern status_t _kern_stop_notifying(port_id port, uint32 token); 374 extern status_t _kern_start_watching(dev_t device, ino_t node, uint32 flags, 375 port_id port, uint32 token); 376 extern status_t _kern_stop_watching(dev_t device, ino_t node, port_id port, 377 uint32 token); 378 379 // time functions 380 extern status_t _kern_set_real_time_clock(bigtime_t time); 381 extern status_t _kern_set_timezone(int32 timezoneOffset, const char *name, 382 size_t nameLength); 383 extern status_t _kern_get_timezone(int32 *_timezoneOffset, char *name, 384 size_t nameLength); 385 extern status_t _kern_set_real_time_clock_is_gmt(bool isGMT); 386 extern status_t _kern_get_real_time_clock_is_gmt(bool *_isGMT); 387 388 extern status_t _kern_get_clock(clockid_t clockID, bigtime_t* _time); 389 extern status_t _kern_set_clock(clockid_t clockID, bigtime_t time); 390 391 extern bigtime_t _kern_system_time(); 392 extern status_t _kern_snooze_etc(bigtime_t time, int timebase, int32 flags, 393 bigtime_t* _remainingTime); 394 395 extern int32 _kern_create_timer(clockid_t clockID, thread_id threadID, 396 uint32 flags, const struct sigevent* event, 397 const struct thread_creation_attributes* 398 threadAttributes); 399 extern status_t _kern_delete_timer(int32 timerID, thread_id threadID); 400 extern status_t _kern_get_timer(int32 timerID, thread_id threadID, 401 struct user_timer_info* info); 402 extern status_t _kern_set_timer(int32 timerID, thread_id threadID, 403 bigtime_t startTime, bigtime_t interval, uint32 flags, 404 struct user_timer_info* oldInfo); 405 406 // area functions 407 extern area_id _kern_create_area(const char *name, void **address, 408 uint32 addressSpec, size_t size, uint32 lock, 409 uint32 protection); 410 extern status_t _kern_delete_area(area_id area); 411 extern area_id _kern_area_for(void *address); 412 extern area_id _kern_find_area(const char *name); 413 extern status_t _kern_get_area_info(area_id area, area_info *info); 414 extern status_t _kern_get_next_area_info(team_id team, ssize_t *cookie, 415 area_info *info); 416 extern status_t _kern_resize_area(area_id area, size_t newSize); 417 extern area_id _kern_transfer_area(area_id area, void **_address, 418 uint32 addressSpec, team_id target); 419 extern status_t _kern_set_area_protection(area_id area, 420 uint32 newProtection); 421 extern area_id _kern_clone_area(const char *name, void **_address, 422 uint32 addressSpec, uint32 protection, 423 area_id sourceArea); 424 extern status_t _kern_reserve_address_range(addr_t* _address, 425 uint32 addressSpec, addr_t size); 426 extern status_t _kern_unreserve_address_range(addr_t address, addr_t size); 427 428 extern area_id _kern_map_file(const char *name, void **address, 429 uint32 addressSpec, size_t size, uint32 protection, 430 uint32 mapping, bool unmapAddressRange, int fd, 431 off_t offset); 432 extern status_t _kern_unmap_memory(void *address, size_t size); 433 extern status_t _kern_set_memory_protection(void *address, size_t size, 434 uint32 protection); 435 extern status_t _kern_sync_memory(void *address, size_t size, int flags); 436 extern status_t _kern_memory_advice(void *address, size_t size, 437 uint32 advice); 438 439 extern status_t _kern_get_memory_properties(team_id teamID, 440 const void *address, uint32* _protected, uint32* _lock); 441 442 /* kernel port functions */ 443 extern port_id _kern_create_port(int32 queue_length, const char *name); 444 extern status_t _kern_close_port(port_id id); 445 extern status_t _kern_delete_port(port_id id); 446 extern port_id _kern_find_port(const char *port_name); 447 extern status_t _kern_get_port_info(port_id id, struct port_info *info); 448 extern status_t _kern_get_next_port_info(team_id team, int32 *cookie, 449 struct port_info *info); 450 extern ssize_t _kern_port_buffer_size_etc(port_id port, uint32 flags, 451 bigtime_t timeout); 452 extern int32 _kern_port_count(port_id port); 453 extern ssize_t _kern_read_port_etc(port_id port, int32 *msgCode, 454 void *msgBuffer, size_t bufferSize, uint32 flags, 455 bigtime_t timeout); 456 extern status_t _kern_set_port_owner(port_id port, team_id team); 457 extern status_t _kern_write_port_etc(port_id port, int32 msgCode, 458 const void *msgBuffer, size_t bufferSize, uint32 flags, 459 bigtime_t timeout); 460 extern status_t _kern_writev_port_etc(port_id id, int32 msgCode, 461 const struct iovec *msgVecs, size_t vecCount, 462 size_t bufferSize, uint32 flags, bigtime_t timeout); 463 extern status_t _kern_get_port_message_info_etc(port_id port, 464 port_message_info *info, size_t infoSize, uint32 flags, 465 bigtime_t timeout); 466 467 // debug support functions 468 extern status_t _kern_kernel_debugger(const char *message); 469 extern void _kern_debugger(const char *message); 470 extern int _kern_disable_debugger(int state); 471 472 extern status_t _kern_install_default_debugger(port_id debuggerPort); 473 extern port_id _kern_install_team_debugger(team_id team, 474 port_id debuggerPort); 475 extern status_t _kern_remove_team_debugger(team_id team); 476 extern status_t _kern_debug_thread(thread_id thread); 477 extern void _kern_wait_for_debugger(void); 478 479 extern status_t _kern_set_debugger_breakpoint(void *address, uint32 type, 480 int32 length, bool watchpoint); 481 extern status_t _kern_clear_debugger_breakpoint(void *address, 482 bool watchpoint); 483 484 extern status_t _kern_system_profiler_start( 485 struct system_profiler_parameters* parameters); 486 extern status_t _kern_system_profiler_next_buffer(size_t bytesRead, 487 uint64* _droppedEvents); 488 extern status_t _kern_system_profiler_stop(); 489 extern status_t _kern_system_profiler_recorded( 490 struct system_profiler_parameters* parameters); 491 492 /* atomic_* ops (needed for CPUs that don't support them directly) */ 493 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS 494 extern int32 _kern_atomic_set(vint32 *value, int32 newValue); 495 extern int32 _kern_atomic_test_and_set(vint32 *value, int32 newValue, 496 int32 testAgainst); 497 extern int32 _kern_atomic_add(vint32 *value, int32 addValue); 498 extern int32 _kern_atomic_and(vint32 *value, int32 andValue); 499 extern int32 _kern_atomic_or(vint32 *value, int32 orValue); 500 extern int32 _kern_atomic_get(vint32 *value); 501 #endif // ATOMIC_FUNCS_ARE_SYSCALLS 502 503 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS 504 extern int64 _kern_atomic_set64(vint64 *value, int64 newValue); 505 extern int64 _kern_atomic_test_and_set64(vint64 *value, int64 newValue, 506 int64 testAgainst); 507 extern int64 _kern_atomic_add64(vint64 *value, int64 addValue); 508 extern int64 _kern_atomic_and64(vint64 *value, int64 andValue); 509 extern int64 _kern_atomic_or64(vint64 *value, int64 orValue); 510 extern int64 _kern_atomic_get64(vint64 *value); 511 #endif // ATOMIC64_FUNCS_ARE_SYSCALLS 512 513 /* System informations */ 514 extern status_t _kern_get_system_info(system_info *info, size_t size); 515 extern status_t _kern_get_system_info_etc(int32 id, void *buffer, 516 size_t bufferSize); 517 extern status_t _kern_analyze_scheduling(bigtime_t from, bigtime_t until, 518 void* buffer, size_t size, 519 struct scheduling_analysis* analysis); 520 521 /* Debug output */ 522 extern void _kern_debug_output(const char *message); 523 extern void _kern_ktrace_output(const char *message); 524 extern status_t _kern_frame_buffer_update(addr_t baseAddress, int32 width, 525 int32 height, int32 depth, int32 bytesPerRow); 526 527 /* messaging service */ 528 extern area_id _kern_register_messaging_service(sem_id lockingSem, 529 sem_id counterSem); 530 extern status_t _kern_unregister_messaging_service(); 531 532 extern void _kern_clear_caches(void *address, size_t length, 533 uint32 flags); 534 extern bool _kern_cpu_enabled(int32 cpu); 535 extern status_t _kern_set_cpu_enabled(int32 cpu, bool enabled); 536 537 #if defined(__INTEL__) || defined(__x86_64__) 538 // our only x86 only syscall 539 extern status_t _kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu); 540 #endif 541 542 543 /* Disk Device Manager syscalls */ 544 545 // iterating, retrieving device/partition data 546 extern partition_id _kern_get_next_disk_device_id(int32 *cookie, 547 size_t *neededSize); 548 extern partition_id _kern_find_disk_device(const char *filename, 549 size_t *neededSize); 550 extern partition_id _kern_find_partition(const char *filename, 551 size_t *neededSize); 552 extern partition_id _kern_find_file_disk_device(const char *filename, 553 size_t *neededSize); 554 extern status_t _kern_get_disk_device_data(partition_id deviceID, 555 bool deviceOnly, struct user_disk_device_data *buffer, 556 size_t bufferSize, size_t *neededSize); 557 extern partition_id _kern_register_file_device(const char *filename); 558 extern status_t _kern_unregister_file_device(partition_id deviceID, 559 const char *filename); 560 // Only a valid deviceID or filename need to be passed. The other one 561 // is -1/NULL. If both is given only filename is ignored. 562 extern status_t _kern_get_file_disk_device_path(partition_id id, 563 char* buffer, size_t bufferSize); 564 565 // disk systems 566 extern status_t _kern_get_disk_system_info(disk_system_id id, 567 struct user_disk_system_info *info); 568 extern status_t _kern_get_next_disk_system_info(int32 *cookie, 569 struct user_disk_system_info *info); 570 extern status_t _kern_find_disk_system(const char *name, 571 struct user_disk_system_info *info); 572 573 // disk device modification 574 extern status_t _kern_defragment_partition(partition_id partitionID, 575 int32* changeCounter); 576 extern status_t _kern_repair_partition(partition_id partitionID, 577 int32* changeCounter, bool checkOnly); 578 extern status_t _kern_resize_partition(partition_id partitionID, 579 int32* changeCounter, partition_id childID, 580 int32* childChangeCounter, off_t size, 581 off_t contentSize); 582 extern status_t _kern_move_partition(partition_id partitionID, 583 int32* changeCounter, partition_id childID, 584 int32* childChangeCounter, off_t newOffset, 585 partition_id* descendantIDs, 586 int32* descendantChangeCounters, int32 descendantCount); 587 extern status_t _kern_set_partition_name(partition_id partitionID, 588 int32* changeCounter, partition_id childID, 589 int32* childChangeCounter, const char* name); 590 extern status_t _kern_set_partition_content_name(partition_id partitionID, 591 int32* changeCounter, const char* name); 592 extern status_t _kern_set_partition_type(partition_id partitionID, 593 int32* changeCounter, partition_id childID, 594 int32* childChangeCounter, const char* type); 595 extern status_t _kern_set_partition_parameters(partition_id partitionID, 596 int32* changeCounter, partition_id childID, 597 int32* childChangeCounter, const char* parameters); 598 extern status_t _kern_set_partition_content_parameters( 599 partition_id partitionID, int32* changeCounter, 600 const char* parameters); 601 extern status_t _kern_initialize_partition(partition_id partitionID, 602 int32* changeCounter, const char* diskSystemName, 603 const char* name, const char* parameters); 604 extern status_t _kern_uninitialize_partition(partition_id partitionID, 605 int32* changeCounter); 606 extern status_t _kern_create_child_partition(partition_id partitionID, 607 int32* changeCounter, off_t offset, off_t size, 608 const char* type, const char* name, 609 const char* parameters, partition_id* childID, 610 int32* childChangeCounter); 611 extern status_t _kern_delete_child_partition(partition_id partitionID, 612 int32* changeCounter, partition_id childID, 613 int32 childChangeCounter); 614 615 // disk change notification 616 extern status_t _kern_start_watching_disks(uint32 eventMask, port_id port, 617 int32 token); 618 extern status_t _kern_stop_watching_disks(port_id port, int32 token); 619 620 621 // The end mark for gensyscallinfos. 622 #ifdef GEN_SYSCALL_INFOS_PROCESSING 623 #pragma syscalls end 624 #endif 625 626 #undef __NO_RETURN 627 628 #ifdef __cplusplus 629 } 630 #endif 631 632 #endif /* _SYSTEM_SYSCALLS_H */ 633