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_unblock(int32* mutex, uint32 flags); 81 extern status_t _kern_mutex_switch_lock(int32* fromMutex, uint32 fromFlags, 82 int32* toMutex, const char* name, uint32 toflags, 83 bigtime_t timeout); 84 extern status_t _kern_mutex_sem_acquire(int32* sem, const char* name, 85 uint32 flags, bigtime_t timeout); 86 extern status_t _kern_mutex_sem_release(int32* sem); 87 88 /* sem functions */ 89 extern sem_id _kern_create_sem(int count, const char *name); 90 extern status_t _kern_delete_sem(sem_id id); 91 extern status_t _kern_switch_sem(sem_id releaseSem, sem_id id); 92 extern status_t _kern_switch_sem_etc(sem_id releaseSem, sem_id id, 93 uint32 count, uint32 flags, bigtime_t timeout); 94 extern status_t _kern_acquire_sem(sem_id id); 95 extern status_t _kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags, 96 bigtime_t timeout); 97 extern status_t _kern_release_sem(sem_id id); 98 extern status_t _kern_release_sem_etc(sem_id id, uint32 count, uint32 flags); 99 extern status_t _kern_get_sem_count(sem_id id, int32* thread_count); 100 extern status_t _kern_get_sem_info(sem_id semaphore, struct sem_info *info, 101 size_t size); 102 extern status_t _kern_get_next_sem_info(team_id team, int32 *cookie, 103 struct sem_info *info, size_t size); 104 extern status_t _kern_set_sem_owner(sem_id id, team_id proc); 105 106 /* POSIX realtime sem syscalls */ 107 extern status_t _kern_realtime_sem_open(const char* name, 108 int openFlagsOrShared, mode_t mode, uint32 semCount, 109 struct _sem_t* userSem, struct _sem_t** _usedUserSem); 110 extern status_t _kern_realtime_sem_close(sem_id semID, 111 struct _sem_t** _deleteUserSem); 112 extern status_t _kern_realtime_sem_unlink(const char* name); 113 114 extern status_t _kern_realtime_sem_get_value(sem_id semID, int* value); 115 extern status_t _kern_realtime_sem_post(sem_id semID); 116 extern status_t _kern_realtime_sem_wait(sem_id semID, uint32 flags, 117 bigtime_t timeout); 118 119 /* POSIX XSI semaphore syscalls */ 120 extern int _kern_xsi_semget(key_t key, int numSems, int flags); 121 extern int _kern_xsi_semctl(int semID, int semNumber, int command, 122 union semun* args); 123 extern status_t _kern_xsi_semop(int semID, struct sembuf *semOps, 124 size_t numSemOps); 125 126 /* POSIX XSI message queue syscalls */ 127 extern int _kern_xsi_msgctl(int messageQueueID, int command, 128 struct msqid_ds *buffer); 129 extern int _kern_xsi_msgget(key_t key, int messageQueueFlags); 130 extern ssize_t _kern_xsi_msgrcv(int messageQueueID, void *messagePointer, 131 size_t messageSize, long messageType, int messageFlags); 132 extern int _kern_xsi_msgsnd(int messageQueueID, 133 const void *messagePointer, size_t messageSize, 134 int messageFlags); 135 136 /* team & thread syscalls */ 137 extern thread_id _kern_load_image(const char* const* flatArgs, 138 size_t flatArgsSize, int32 argCount, int32 envCount, 139 int32 priority, uint32 flags, port_id errorPort, 140 uint32 errorToken); 141 extern void __NO_RETURN _kern_exit_team(status_t returnValue); 142 extern status_t _kern_kill_team(team_id team); 143 extern team_id _kern_get_current_team(); 144 extern status_t _kern_wait_for_team(team_id team, status_t *_returnCode); 145 extern pid_t _kern_wait_for_child(thread_id child, uint32 flags, 146 siginfo_t* info, team_usage_info* usageInfo); 147 extern status_t _kern_exec(const char *path, const char* const* flatArgs, 148 size_t flatArgsSize, int32 argCount, int32 envCount, 149 mode_t umask); 150 extern thread_id _kern_fork(void); 151 extern pid_t _kern_process_info(pid_t process, int32 which); 152 extern pid_t _kern_setpgid(pid_t process, pid_t group); 153 extern pid_t _kern_setsid(void); 154 extern status_t _kern_change_root(const char *path); 155 156 extern thread_id _kern_spawn_thread( 157 struct thread_creation_attributes* attributes); 158 extern thread_id _kern_find_thread(const char *name); 159 extern status_t _kern_suspend_thread(thread_id thread); 160 extern status_t _kern_resume_thread(thread_id thread); 161 extern status_t _kern_rename_thread(thread_id thread, const char *newName); 162 extern status_t _kern_set_thread_priority(thread_id thread, 163 int32 newPriority); 164 extern status_t _kern_kill_thread(thread_id thread); 165 extern void _kern_exit_thread(status_t returnValue); 166 extern status_t _kern_cancel_thread(thread_id threadID, 167 void (*cancelFunction)(int)); 168 extern void _kern_thread_yield(void); 169 extern status_t _kern_wait_for_thread(thread_id thread, 170 status_t *_returnCode); 171 extern status_t _kern_wait_for_thread_etc(thread_id thread, uint32 flags, 172 bigtime_t timeout, status_t *_returnCode); 173 extern bool _kern_has_data(thread_id thread); 174 extern status_t _kern_send_data(thread_id thread, int32 code, 175 const void *buffer, size_t bufferSize); 176 extern int32 _kern_receive_data(thread_id *_sender, void *buffer, 177 size_t bufferSize); 178 extern int64 _kern_restore_signal_frame( 179 struct signal_frame_data* signalFrameData); 180 181 extern status_t _kern_get_thread_info(thread_id id, thread_info *info); 182 extern status_t _kern_get_next_thread_info(team_id team, int32 *cookie, 183 thread_info *info); 184 extern status_t _kern_get_team_info(team_id id, team_info *info, 185 size_t size); 186 extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info, 187 size_t size); 188 extern status_t _kern_get_team_usage_info(team_id team, int32 who, 189 team_usage_info *info, size_t size); 190 extern status_t _kern_get_extended_team_info(team_id teamID, uint32 flags, 191 void* buffer, size_t size, size_t* _sizeNeeded); 192 193 extern status_t _kern_start_watching_system(int32 object, uint32 flags, 194 port_id port, int32 token); 195 extern status_t _kern_stop_watching_system(int32 object, uint32 flags, 196 port_id port, int32 token); 197 198 extern status_t _kern_block_thread(uint32 flags, bigtime_t timeout); 199 extern status_t _kern_unblock_thread(thread_id thread, status_t status); 200 extern status_t _kern_unblock_threads(thread_id* threads, uint32 count, 201 status_t status); 202 203 extern bigtime_t _kern_estimate_max_scheduling_latency(thread_id thread); 204 205 extern status_t _kern_set_scheduler_mode(int32 mode); 206 extern int32 _kern_get_scheduler_mode(void); 207 208 // user/group functions 209 extern gid_t _kern_getgid(bool effective); 210 extern uid_t _kern_getuid(bool effective); 211 extern status_t _kern_setregid(gid_t rgid, gid_t egid, 212 bool setAllIfPrivileged); 213 extern status_t _kern_setreuid(uid_t ruid, uid_t euid, 214 bool setAllIfPrivileged); 215 extern ssize_t _kern_getgroups(int groupCount, gid_t* groupList); 216 extern status_t _kern_setgroups(int groupCount, const gid_t* groupList); 217 218 // signal functions 219 extern status_t _kern_send_signal(int32 id, uint32 signal, 220 const union sigval* userValue, uint32 flags); 221 extern status_t _kern_set_signal_mask(int how, const sigset_t *set, 222 sigset_t *oldSet); 223 extern status_t _kern_sigaction(int sig, const struct sigaction *action, 224 struct sigaction *oldAction); 225 extern status_t _kern_sigwait(const sigset_t *set, siginfo_t *info, 226 uint32 flags, bigtime_t timeout); 227 extern status_t _kern_sigsuspend(const sigset_t *mask); 228 extern status_t _kern_sigpending(sigset_t *set); 229 extern status_t _kern_set_signal_stack(const stack_t *newStack, 230 stack_t *oldStack); 231 232 // image functions 233 extern image_id _kern_register_image(extended_image_info *info, 234 size_t size); 235 extern status_t _kern_unregister_image(image_id id); 236 extern void _kern_image_relocated(image_id id); 237 extern void _kern_loading_app_failed(status_t error); 238 extern status_t _kern_get_image_info(image_id id, image_info *info, 239 size_t size); 240 extern status_t _kern_get_next_image_info(team_id team, int32 *cookie, 241 image_info *info, size_t size); 242 extern status_t _kern_read_kernel_image_symbols(image_id id, 243 elf_sym* symbolTable, int32* _symbolCount, 244 char* stringTable, size_t* _stringTableSize, 245 addr_t* _imageDelta); 246 247 // VFS functions 248 extern dev_t _kern_mount(const char *path, const char *device, 249 const char *fs_name, uint32 flags, const char *args, 250 size_t argsLength); 251 extern status_t _kern_unmount(const char *path, uint32 flags); 252 extern status_t _kern_read_fs_info(dev_t device, struct fs_info *info); 253 extern status_t _kern_write_fs_info(dev_t device, const struct fs_info *info, 254 int mask); 255 extern dev_t _kern_next_device(int32 *_cookie); 256 extern status_t _kern_sync(void); 257 extern status_t _kern_entry_ref_to_path(dev_t device, ino_t inode, 258 const char *leaf, char *userPath, size_t pathLength); 259 extern status_t _kern_normalize_path(const char* userPath, 260 bool traverseLink, char* buffer); 261 extern int _kern_open_entry_ref(dev_t device, ino_t inode, 262 const char *name, int openMode, int perms); 263 extern int _kern_open(int fd, const char *path, int openMode, 264 int perms); 265 extern int _kern_open_dir_entry_ref(dev_t device, ino_t inode, 266 const char *name); 267 extern int _kern_open_dir(int fd, const char *path); 268 extern int _kern_open_parent_dir(int fd, char *name, 269 size_t nameLength); 270 extern status_t _kern_fcntl(int fd, int op, size_t argument); 271 extern status_t _kern_fsync(int fd); 272 extern status_t _kern_flock(int fd, int op); 273 extern off_t _kern_seek(int fd, off_t pos, int seekType); 274 extern status_t _kern_create_dir_entry_ref(dev_t device, ino_t inode, 275 const char *name, int perms); 276 extern status_t _kern_create_dir(int fd, const char *path, int perms); 277 extern status_t _kern_remove_dir(int fd, const char *path); 278 extern status_t _kern_read_link(int fd, const char *path, char *buffer, 279 size_t *_bufferSize); 280 extern status_t _kern_create_symlink(int fd, const char *path, 281 const char *toPath, int mode); 282 extern status_t _kern_create_link(int pathFD, const char *path, int toFD, 283 const char *toPath, bool traverseLeafLink); 284 extern status_t _kern_unlink(int fd, const char *path); 285 extern status_t _kern_rename(int oldDir, const char *oldpath, int newDir, 286 const char *newpath); 287 extern status_t _kern_create_fifo(int fd, const char *path, mode_t perms); 288 extern status_t _kern_create_pipe(int *fds); 289 extern status_t _kern_access(int fd, const char *path, int mode, 290 bool effectiveUserGroup); 291 extern ssize_t _kern_select(int numfds, struct fd_set *readSet, 292 struct fd_set *writeSet, struct fd_set *errorSet, 293 bigtime_t timeout, const sigset_t *sigMask); 294 extern ssize_t _kern_poll(struct pollfd *fds, int numFDs, 295 bigtime_t timeout, const sigset_t *sigMask); 296 297 extern int _kern_open_attr_dir(int fd, const char *path, 298 bool traverseLeafLink); 299 extern ssize_t _kern_read_attr(int fd, const char *attribute, off_t pos, 300 void *buffer, size_t readBytes); 301 extern ssize_t _kern_write_attr(int fd, const char *attribute, uint32 type, 302 off_t pos, const void *buffer, size_t readBytes); 303 extern status_t _kern_stat_attr(int fd, const char *attribute, 304 struct attr_info *attrInfo); 305 extern int _kern_open_attr(int fd, const char* path, const char *name, 306 uint32 type, int openMode); 307 extern status_t _kern_remove_attr(int fd, const char *name); 308 extern status_t _kern_rename_attr(int fromFile, const char *fromName, 309 int toFile, const char *toName); 310 extern int _kern_open_index_dir(dev_t device); 311 extern status_t _kern_create_index(dev_t device, const char *name, 312 uint32 type, uint32 flags); 313 extern status_t _kern_read_index_stat(dev_t device, const char *name, 314 struct stat *stat); 315 extern status_t _kern_remove_index(dev_t device, const char *name); 316 extern status_t _kern_getcwd(char *buffer, size_t size); 317 extern status_t _kern_setcwd(int fd, const char *path); 318 extern int _kern_open_query(dev_t device, const char *query, 319 size_t queryLength, uint32 flags, port_id port, 320 int32 token); 321 322 // file descriptor functions 323 extern ssize_t _kern_read(int fd, off_t pos, void *buffer, 324 size_t bufferSize); 325 extern ssize_t _kern_readv(int fd, off_t pos, const struct iovec *vecs, 326 size_t count); 327 extern ssize_t _kern_write(int fd, off_t pos, const void *buffer, 328 size_t bufferSize); 329 extern ssize_t _kern_writev(int fd, off_t pos, const struct iovec *vecs, 330 size_t count); 331 extern status_t _kern_ioctl(int fd, uint32 cmd, void *data, size_t length); 332 extern ssize_t _kern_read_dir(int fd, struct dirent *buffer, 333 size_t bufferSize, uint32 maxCount); 334 extern status_t _kern_rewind_dir(int fd); 335 extern status_t _kern_read_stat(int fd, const char *path, bool traverseLink, 336 struct stat *stat, size_t statSize); 337 extern status_t _kern_write_stat(int fd, const char *path, 338 bool traverseLink, const struct stat *stat, 339 size_t statSize, int statMask); 340 extern status_t _kern_close(int fd); 341 extern int _kern_dup(int fd); 342 extern int _kern_dup2(int ofd, int nfd); 343 extern status_t _kern_lock_node(int fd); 344 extern status_t _kern_unlock_node(int fd); 345 extern status_t _kern_get_next_fd_info(team_id team, uint32 *_cookie, 346 struct fd_info *info, size_t infoSize); 347 extern status_t _kern_preallocate(int fd, off_t offset, off_t length); 348 349 // socket functions 350 extern int _kern_socket(int family, int type, int protocol); 351 extern status_t _kern_bind(int socket, const struct sockaddr *address, 352 socklen_t addressLength); 353 extern status_t _kern_shutdown_socket(int socket, int how); 354 extern status_t _kern_connect(int socket, const struct sockaddr *address, 355 socklen_t addressLength); 356 extern status_t _kern_listen(int socket, int backlog); 357 extern int _kern_accept(int socket, struct sockaddr *address, 358 socklen_t *_addressLength); 359 extern ssize_t _kern_recv(int socket, void *data, size_t length, 360 int flags); 361 extern ssize_t _kern_recvfrom(int socket, void *data, size_t length, 362 int flags, struct sockaddr *address, 363 socklen_t *_addressLength); 364 extern ssize_t _kern_recvmsg(int socket, struct msghdr *message, 365 int flags); 366 extern ssize_t _kern_send(int socket, const void *data, size_t length, 367 int flags); 368 extern ssize_t _kern_sendto(int socket, const void *data, size_t length, 369 int flags, const struct sockaddr *address, 370 socklen_t addressLength); 371 extern ssize_t _kern_sendmsg(int socket, const struct msghdr *message, 372 int flags); 373 extern status_t _kern_getsockopt(int socket, int level, int option, 374 void *value, socklen_t *_length); 375 extern status_t _kern_setsockopt(int socket, int level, int option, 376 const void *value, socklen_t length); 377 extern status_t _kern_getpeername(int socket, struct sockaddr *address, 378 socklen_t *_addressLength); 379 extern status_t _kern_getsockname(int socket, struct sockaddr *address, 380 socklen_t *_addressLength); 381 extern int _kern_sockatmark(int socket); 382 extern status_t _kern_socketpair(int family, int type, int protocol, 383 int *socketVector); 384 extern status_t _kern_get_next_socket_stat(int family, uint32 *cookie, 385 struct net_stat *stat); 386 387 // node monitor functions 388 extern status_t _kern_stop_notifying(port_id port, uint32 token); 389 extern status_t _kern_start_watching(dev_t device, ino_t node, uint32 flags, 390 port_id port, uint32 token); 391 extern status_t _kern_stop_watching(dev_t device, ino_t node, port_id port, 392 uint32 token); 393 394 // time functions 395 extern status_t _kern_set_real_time_clock(bigtime_t time); 396 extern status_t _kern_set_timezone(int32 timezoneOffset, const char *name, 397 size_t nameLength); 398 extern status_t _kern_get_timezone(int32 *_timezoneOffset, char *name, 399 size_t nameLength); 400 extern status_t _kern_set_real_time_clock_is_gmt(bool isGMT); 401 extern status_t _kern_get_real_time_clock_is_gmt(bool *_isGMT); 402 403 extern status_t _kern_get_clock(clockid_t clockID, bigtime_t* _time); 404 extern status_t _kern_set_clock(clockid_t clockID, bigtime_t time); 405 406 extern bigtime_t _kern_system_time(); 407 extern status_t _kern_snooze_etc(bigtime_t time, int timebase, int32 flags, 408 bigtime_t* _remainingTime); 409 410 extern int32 _kern_create_timer(clockid_t clockID, thread_id threadID, 411 uint32 flags, const struct sigevent* event, 412 const struct thread_creation_attributes* 413 threadAttributes); 414 extern status_t _kern_delete_timer(int32 timerID, thread_id threadID); 415 extern status_t _kern_get_timer(int32 timerID, thread_id threadID, 416 struct user_timer_info* info); 417 extern status_t _kern_set_timer(int32 timerID, thread_id threadID, 418 bigtime_t startTime, bigtime_t interval, uint32 flags, 419 struct user_timer_info* oldInfo); 420 421 // area functions 422 extern area_id _kern_create_area(const char *name, void **address, 423 uint32 addressSpec, size_t size, uint32 lock, 424 uint32 protection); 425 extern status_t _kern_delete_area(area_id area); 426 extern area_id _kern_area_for(void *address); 427 extern area_id _kern_find_area(const char *name); 428 extern status_t _kern_get_area_info(area_id area, area_info *info); 429 extern status_t _kern_get_next_area_info(team_id team, ssize_t *cookie, 430 area_info *info); 431 extern status_t _kern_resize_area(area_id area, size_t newSize); 432 extern area_id _kern_transfer_area(area_id area, void **_address, 433 uint32 addressSpec, team_id target); 434 extern status_t _kern_set_area_protection(area_id area, 435 uint32 newProtection); 436 extern area_id _kern_clone_area(const char *name, void **_address, 437 uint32 addressSpec, uint32 protection, 438 area_id sourceArea); 439 extern status_t _kern_reserve_address_range(addr_t* _address, 440 uint32 addressSpec, addr_t size); 441 extern status_t _kern_unreserve_address_range(addr_t address, addr_t size); 442 443 extern area_id _kern_map_file(const char *name, void **address, 444 uint32 addressSpec, size_t size, uint32 protection, 445 uint32 mapping, bool unmapAddressRange, int fd, 446 off_t offset); 447 extern status_t _kern_unmap_memory(void *address, size_t size); 448 extern status_t _kern_set_memory_protection(void *address, size_t size, 449 uint32 protection); 450 extern status_t _kern_sync_memory(void *address, size_t size, int flags); 451 extern status_t _kern_memory_advice(void *address, size_t size, 452 uint32 advice); 453 454 extern status_t _kern_get_memory_properties(team_id teamID, 455 const void *address, uint32* _protected, uint32* _lock); 456 457 extern status_t _kern_mlock(const void* address, size_t size); 458 extern status_t _kern_munlock(const void* address, size_t size); 459 460 /* kernel port functions */ 461 extern port_id _kern_create_port(int32 queue_length, const char *name); 462 extern status_t _kern_close_port(port_id id); 463 extern status_t _kern_delete_port(port_id id); 464 extern port_id _kern_find_port(const char *port_name); 465 extern status_t _kern_get_port_info(port_id id, struct port_info *info); 466 extern status_t _kern_get_next_port_info(team_id team, int32 *cookie, 467 struct port_info *info); 468 extern ssize_t _kern_port_buffer_size_etc(port_id port, uint32 flags, 469 bigtime_t timeout); 470 extern int32 _kern_port_count(port_id port); 471 extern ssize_t _kern_read_port_etc(port_id port, int32 *msgCode, 472 void *msgBuffer, size_t bufferSize, uint32 flags, 473 bigtime_t timeout); 474 extern status_t _kern_set_port_owner(port_id port, team_id team); 475 extern status_t _kern_write_port_etc(port_id port, int32 msgCode, 476 const void *msgBuffer, size_t bufferSize, uint32 flags, 477 bigtime_t timeout); 478 extern status_t _kern_writev_port_etc(port_id id, int32 msgCode, 479 const struct iovec *msgVecs, size_t vecCount, 480 size_t bufferSize, uint32 flags, bigtime_t timeout); 481 extern status_t _kern_get_port_message_info_etc(port_id port, 482 port_message_info *info, size_t infoSize, uint32 flags, 483 bigtime_t timeout); 484 485 // debug support functions 486 extern status_t _kern_kernel_debugger(const char *message); 487 extern void _kern_register_syslog_daemon(port_id port); 488 extern void _kern_debugger(const char *message); 489 extern int _kern_disable_debugger(int state); 490 491 extern status_t _kern_install_default_debugger(port_id debuggerPort); 492 extern port_id _kern_install_team_debugger(team_id team, 493 port_id debuggerPort); 494 extern status_t _kern_remove_team_debugger(team_id team); 495 extern status_t _kern_debug_thread(thread_id thread); 496 extern void _kern_wait_for_debugger(void); 497 498 extern status_t _kern_set_debugger_breakpoint(void *address, uint32 type, 499 int32 length, bool watchpoint); 500 extern status_t _kern_clear_debugger_breakpoint(void *address, 501 bool watchpoint); 502 503 extern status_t _kern_system_profiler_start( 504 struct system_profiler_parameters* parameters); 505 extern status_t _kern_system_profiler_next_buffer(size_t bytesRead, 506 uint64* _droppedEvents); 507 extern status_t _kern_system_profiler_stop(); 508 extern status_t _kern_system_profiler_recorded( 509 struct system_profiler_parameters* parameters); 510 511 /* atomic_* ops (needed for CPUs that don't support them directly) */ 512 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS 513 extern void _kern_atomic_set(int32 *value, int32 newValue); 514 extern int32 _kern_atomic_get_and_set(int32 *value, int32 newValue); 515 extern int32 _kern_atomic_test_and_set(int32 *value, int32 newValue, 516 int32 testAgainst); 517 extern int32 _kern_atomic_add(int32 *value, int32 addValue); 518 extern int32 _kern_atomic_and(int32 *value, int32 andValue); 519 extern int32 _kern_atomic_or(int32 *value, int32 orValue); 520 extern int32 _kern_atomic_get(int32 *value); 521 #endif // ATOMIC_FUNCS_ARE_SYSCALLS 522 523 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS 524 extern void _kern_atomic_set64(int64 *value, int64 newValue); 525 extern int64 _kern_atomic_get_and_set64(int64 *value, int64 newValue); 526 extern int64 _kern_atomic_test_and_set64(int64 *value, int64 newValue, 527 int64 testAgainst); 528 extern int64 _kern_atomic_add64(int64 *value, int64 addValue); 529 extern int64 _kern_atomic_and64(int64 *value, int64 andValue); 530 extern int64 _kern_atomic_or64(int64 *value, int64 orValue); 531 extern int64 _kern_atomic_get64(int64 *value); 532 #endif // ATOMIC64_FUNCS_ARE_SYSCALLS 533 534 /* System informations */ 535 extern status_t _kern_get_system_info(system_info* info); 536 extern status_t _kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount, 537 cpu_info* info); 538 extern status_t _kern_get_cpu_topology_info( 539 cpu_topology_node_info* topologyInfos, 540 uint32* topologyInfoCount); 541 542 extern status_t _kern_analyze_scheduling(bigtime_t from, bigtime_t until, 543 void* buffer, size_t size, 544 struct scheduling_analysis* analysis); 545 546 /* Debug output */ 547 extern void _kern_debug_output(const char *message); 548 extern void _kern_ktrace_output(const char *message); 549 extern status_t _kern_frame_buffer_update(addr_t baseAddress, int32 width, 550 int32 height, int32 depth, int32 bytesPerRow); 551 552 /* messaging service */ 553 extern area_id _kern_register_messaging_service(sem_id lockingSem, 554 sem_id counterSem); 555 extern status_t _kern_unregister_messaging_service(); 556 557 extern void _kern_clear_caches(void *address, size_t length, 558 uint32 flags); 559 extern bool _kern_cpu_enabled(int32 cpu); 560 extern status_t _kern_set_cpu_enabled(int32 cpu, bool enabled); 561 562 #if defined(__i386__) || defined(__x86_64__) 563 // our only x86 only syscall 564 extern status_t _kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu); 565 #endif 566 567 568 /* Disk Device Manager syscalls */ 569 570 // iterating, retrieving device/partition data 571 extern partition_id _kern_get_next_disk_device_id(int32 *cookie, 572 size_t *neededSize); 573 extern partition_id _kern_find_disk_device(const char *filename, 574 size_t *neededSize); 575 extern partition_id _kern_find_partition(const char *filename, 576 size_t *neededSize); 577 extern partition_id _kern_find_file_disk_device(const char *filename, 578 size_t *neededSize); 579 extern status_t _kern_get_disk_device_data(partition_id deviceID, 580 bool deviceOnly, struct user_disk_device_data *buffer, 581 size_t bufferSize, size_t *neededSize); 582 extern partition_id _kern_register_file_device(const char *filename); 583 extern status_t _kern_unregister_file_device(partition_id deviceID, 584 const char *filename); 585 // Only a valid deviceID or filename need to be passed. The other one 586 // is -1/NULL. If both is given only filename is ignored. 587 extern status_t _kern_get_file_disk_device_path(partition_id id, 588 char* buffer, size_t bufferSize); 589 590 // disk systems 591 extern status_t _kern_get_disk_system_info(disk_system_id id, 592 struct user_disk_system_info *info); 593 extern status_t _kern_get_next_disk_system_info(int32 *cookie, 594 struct user_disk_system_info *info); 595 extern status_t _kern_find_disk_system(const char *name, 596 struct user_disk_system_info *info); 597 598 // disk device modification 599 extern status_t _kern_defragment_partition(partition_id partitionID, 600 int32* changeCounter); 601 extern status_t _kern_repair_partition(partition_id partitionID, 602 int32* changeCounter, bool checkOnly); 603 extern status_t _kern_resize_partition(partition_id partitionID, 604 int32* changeCounter, partition_id childID, 605 int32* childChangeCounter, off_t size, 606 off_t contentSize); 607 extern status_t _kern_move_partition(partition_id partitionID, 608 int32* changeCounter, partition_id childID, 609 int32* childChangeCounter, off_t newOffset, 610 partition_id* descendantIDs, 611 int32* descendantChangeCounters, int32 descendantCount); 612 extern status_t _kern_set_partition_name(partition_id partitionID, 613 int32* changeCounter, partition_id childID, 614 int32* childChangeCounter, const char* name); 615 extern status_t _kern_set_partition_content_name(partition_id partitionID, 616 int32* changeCounter, const char* name); 617 extern status_t _kern_set_partition_type(partition_id partitionID, 618 int32* changeCounter, partition_id childID, 619 int32* childChangeCounter, const char* type); 620 extern status_t _kern_set_partition_parameters(partition_id partitionID, 621 int32* changeCounter, partition_id childID, 622 int32* childChangeCounter, const char* parameters); 623 extern status_t _kern_set_partition_content_parameters( 624 partition_id partitionID, int32* changeCounter, 625 const char* parameters); 626 extern status_t _kern_initialize_partition(partition_id partitionID, 627 int32* changeCounter, const char* diskSystemName, 628 const char* name, const char* parameters); 629 extern status_t _kern_uninitialize_partition(partition_id partitionID, 630 int32* changeCounter, partition_id parentID, 631 int32* parentChangeCounter); 632 extern status_t _kern_create_child_partition(partition_id partitionID, 633 int32* changeCounter, off_t offset, off_t size, 634 const char* type, const char* name, 635 const char* parameters, partition_id* childID, 636 int32* childChangeCounter); 637 extern status_t _kern_delete_child_partition(partition_id partitionID, 638 int32* changeCounter, partition_id childID, 639 int32 childChangeCounter); 640 641 // disk change notification 642 extern status_t _kern_start_watching_disks(uint32 eventMask, port_id port, 643 int32 token); 644 extern status_t _kern_stop_watching_disks(port_id port, int32 token); 645 646 647 // The end mark for gensyscallinfos. 648 #ifdef GEN_SYSCALL_INFOS_PROCESSING 649 #pragma syscalls end 650 #endif 651 652 #undef __NO_RETURN 653 654 #ifdef __cplusplus 655 } 656 #endif 657 658 #endif /* _SYSTEM_SYSCALLS_H */ 659