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