1 /* 2 * Copyright 2004-2015, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _SYSTEM_SYSCALLS_H 6 #define _SYSTEM_SYSCALLS_H 7 8 9 #include <arch_config.h> 10 #include <DiskDeviceDefs.h> 11 #include <elf_private.h> 12 #include <image.h> 13 #include <image_defs.h> 14 #include <OS.h> 15 16 #include <signal.h> 17 #include <sys/socket.h> 18 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 struct attr_info; 25 struct dirent; 26 struct fd_info; 27 struct fd_set; 28 struct fs_info; 29 struct iovec; 30 struct msqid_ds; 31 struct net_stat; 32 struct pollfd; 33 struct rlimit; 34 struct scheduling_analysis; 35 struct _sem_t; 36 struct sembuf; 37 union semun; 38 struct sigaction; 39 struct signal_frame_data; 40 struct stat; 41 struct system_profiler_parameters; 42 struct user_timer_info; 43 44 struct disk_device_job_progress_info; 45 struct partitionable_space_data; 46 struct thread_creation_attributes; 47 struct user_disk_device_data; 48 struct user_disk_device_job_info; 49 struct user_disk_system_info; 50 51 // This marks the beginning of the syscalls prototypes for gensyscallinfos. 52 // NOTE: 53 // * Nothing but those prototypes may live here. 54 // * The arguments of the functions must be named to be processed properly. 55 56 #ifdef GEN_SYSCALL_INFOS_PROCESSING 57 # define __NO_RETURN 58 # pragma syscalls begin 59 #else 60 # define __NO_RETURN __attribute__((noreturn)) 61 #endif 62 63 extern int _kern_is_computer_on(void); 64 extern status_t _kern_generic_syscall(const char *subsystem, uint32 function, 65 void *buffer, size_t bufferSize); 66 67 extern int _kern_getrlimit(int resource, struct rlimit * rlp); 68 extern int _kern_setrlimit(int resource, const struct rlimit * rlp); 69 70 extern status_t _kern_shutdown(bool reboot); 71 extern status_t _kern_get_safemode_option(const char *parameter, 72 char *buffer, size_t *_bufferSize); 73 74 extern ssize_t _kern_wait_for_objects(object_wait_info* infos, int numInfos, 75 uint32 flags, bigtime_t timeout); 76 77 /* user mutex functions */ 78 extern status_t _kern_mutex_lock(int32* mutex, const char* name, 79 uint32 flags, bigtime_t timeout); 80 extern status_t _kern_mutex_unlock(int32* mutex, uint32 flags); 81 extern status_t _kern_mutex_switch_lock(int32* fromMutex, int32* toMutex, 82 const char* name, uint32 flags, bigtime_t timeout); 83 extern status_t _kern_mutex_sem_acquire(int32* sem, const char* name, 84 uint32 flags, bigtime_t timeout); 85 extern status_t _kern_mutex_sem_release(int32* sem); 86 87 /* sem functions */ 88 extern sem_id _kern_create_sem(int count, const char *name); 89 extern status_t _kern_delete_sem(sem_id id); 90 extern status_t _kern_switch_sem(sem_id releaseSem, sem_id id); 91 extern status_t _kern_switch_sem_etc(sem_id releaseSem, sem_id id, 92 uint32 count, uint32 flags, bigtime_t timeout); 93 extern status_t _kern_acquire_sem(sem_id id); 94 extern status_t _kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags, 95 bigtime_t timeout); 96 extern status_t _kern_release_sem(sem_id id); 97 extern status_t _kern_release_sem_etc(sem_id id, uint32 count, uint32 flags); 98 extern status_t _kern_get_sem_count(sem_id id, int32* thread_count); 99 extern status_t _kern_get_sem_info(sem_id semaphore, struct sem_info *info, 100 size_t size); 101 extern status_t _kern_get_next_sem_info(team_id team, int32 *cookie, 102 struct sem_info *info, size_t size); 103 extern status_t _kern_set_sem_owner(sem_id id, team_id proc); 104 105 /* POSIX realtime sem syscalls */ 106 extern status_t _kern_realtime_sem_open(const char* name, 107 int openFlagsOrShared, mode_t mode, uint32 semCount, 108 struct _sem_t* userSem, struct _sem_t** _usedUserSem); 109 extern status_t _kern_realtime_sem_close(sem_id semID, 110 struct _sem_t** _deleteUserSem); 111 extern status_t _kern_realtime_sem_unlink(const char* name); 112 113 extern status_t _kern_realtime_sem_get_value(sem_id semID, int* value); 114 extern status_t _kern_realtime_sem_post(sem_id semID); 115 extern status_t _kern_realtime_sem_wait(sem_id semID, uint32 flags, 116 bigtime_t timeout); 117 118 /* POSIX XSI semaphore syscalls */ 119 extern int _kern_xsi_semget(key_t key, int numSems, int flags); 120 extern int _kern_xsi_semctl(int semID, int semNumber, int command, 121 union semun* args); 122 extern status_t _kern_xsi_semop(int semID, struct sembuf *semOps, 123 size_t numSemOps); 124 125 /* POSIX XSI message queue syscalls */ 126 extern int _kern_xsi_msgctl(int messageQueueID, int command, 127 struct msqid_ds *buffer); 128 extern int _kern_xsi_msgget(key_t key, int messageQueueFlags); 129 extern ssize_t _kern_xsi_msgrcv(int messageQueueID, void *messagePointer, 130 size_t messageSize, long messageType, int messageFlags); 131 extern int _kern_xsi_msgsnd(int messageQueueID, 132 const void *messagePointer, size_t messageSize, 133 int messageFlags); 134 135 /* team & thread syscalls */ 136 extern thread_id _kern_load_image(const char* const* flatArgs, 137 size_t flatArgsSize, int32 argCount, int32 envCount, 138 int32 priority, uint32 flags, port_id errorPort, 139 uint32 errorToken); 140 extern void __NO_RETURN _kern_exit_team(status_t returnValue); 141 extern status_t _kern_kill_team(team_id team); 142 extern team_id _kern_get_current_team(); 143 extern status_t _kern_wait_for_team(team_id team, status_t *_returnCode); 144 extern pid_t _kern_wait_for_child(thread_id child, uint32 flags, 145 siginfo_t* info, team_usage_info* usageInfo); 146 extern status_t _kern_exec(const char *path, const char* const* flatArgs, 147 size_t flatArgsSize, int32 argCount, int32 envCount, 148 mode_t umask); 149 extern thread_id _kern_fork(void); 150 extern pid_t _kern_process_info(pid_t process, int32 which); 151 extern pid_t _kern_setpgid(pid_t process, pid_t group); 152 extern pid_t _kern_setsid(void); 153 extern status_t _kern_change_root(const char *path); 154 155 extern thread_id _kern_spawn_thread( 156 struct thread_creation_attributes* attributes); 157 extern thread_id _kern_find_thread(const char *name); 158 extern status_t _kern_suspend_thread(thread_id thread); 159 extern status_t _kern_resume_thread(thread_id thread); 160 extern status_t _kern_rename_thread(thread_id thread, const char *newName); 161 extern status_t _kern_set_thread_priority(thread_id thread, 162 int32 newPriority); 163 extern status_t _kern_kill_thread(thread_id thread); 164 extern void _kern_exit_thread(status_t returnValue); 165 extern status_t _kern_cancel_thread(thread_id threadID, 166 void (*cancelFunction)(int)); 167 extern void _kern_thread_yield(void); 168 extern status_t _kern_wait_for_thread(thread_id thread, 169 status_t *_returnCode); 170 extern bool _kern_has_data(thread_id thread); 171 extern status_t _kern_send_data(thread_id thread, int32 code, 172 const void *buffer, size_t bufferSize); 173 extern int32 _kern_receive_data(thread_id *_sender, void *buffer, 174 size_t bufferSize); 175 extern int64 _kern_restore_signal_frame( 176 struct signal_frame_data* signalFrameData); 177 178 extern status_t _kern_get_thread_info(thread_id id, thread_info *info); 179 extern status_t _kern_get_next_thread_info(team_id team, int32 *cookie, 180 thread_info *info); 181 extern status_t _kern_get_team_info(team_id id, team_info *info); 182 extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info); 183 extern status_t _kern_get_team_usage_info(team_id team, int32 who, 184 team_usage_info *info, size_t size); 185 extern status_t _kern_get_extended_team_info(team_id teamID, uint32 flags, 186 void* buffer, size_t size, size_t* _sizeNeeded); 187 188 extern status_t _kern_start_watching_system(int32 object, uint32 flags, 189 port_id port, int32 token); 190 extern status_t _kern_stop_watching_system(int32 object, uint32 flags, 191 port_id port, int32 token); 192 193 extern status_t _kern_block_thread(uint32 flags, bigtime_t timeout); 194 extern status_t _kern_unblock_thread(thread_id thread, status_t status); 195 extern status_t _kern_unblock_threads(thread_id* threads, uint32 count, 196 status_t status); 197 198 extern bigtime_t _kern_estimate_max_scheduling_latency(thread_id thread); 199 200 extern status_t _kern_set_scheduler_mode(int32 mode); 201 extern int32 _kern_get_scheduler_mode(void); 202 203 // user/group functions 204 extern gid_t _kern_getgid(bool effective); 205 extern uid_t _kern_getuid(bool effective); 206 extern status_t _kern_setregid(gid_t rgid, gid_t egid, 207 bool setAllIfPrivileged); 208 extern status_t _kern_setreuid(uid_t ruid, uid_t euid, 209 bool setAllIfPrivileged); 210 extern ssize_t _kern_getgroups(int groupCount, gid_t* groupList); 211 extern status_t _kern_setgroups(int groupCount, const gid_t* groupList); 212 213 // signal functions 214 extern status_t _kern_send_signal(int32 id, uint32 signal, 215 const union sigval* userValue, uint32 flags); 216 extern status_t _kern_set_signal_mask(int how, const sigset_t *set, 217 sigset_t *oldSet); 218 extern status_t _kern_sigaction(int sig, const struct sigaction *action, 219 struct sigaction *oldAction); 220 extern status_t _kern_sigwait(const sigset_t *set, siginfo_t *info, 221 uint32 flags, bigtime_t timeout); 222 extern status_t _kern_sigsuspend(const sigset_t *mask); 223 extern status_t _kern_sigpending(sigset_t *set); 224 extern status_t _kern_set_signal_stack(const stack_t *newStack, 225 stack_t *oldStack); 226 227 // image functions 228 extern image_id _kern_register_image(extended_image_info *info, 229 size_t size); 230 extern status_t _kern_unregister_image(image_id id); 231 extern void _kern_image_relocated(image_id id); 232 extern void _kern_loading_app_failed(status_t error); 233 extern status_t _kern_get_image_info(image_id id, image_info *info, 234 size_t size); 235 extern status_t _kern_get_next_image_info(team_id team, int32 *cookie, 236 image_info *info, size_t size); 237 extern status_t _kern_read_kernel_image_symbols(image_id id, 238 elf_sym* symbolTable, int32* _symbolCount, 239 char* stringTable, size_t* _stringTableSize, 240 addr_t* _imageDelta); 241 242 // VFS functions 243 extern dev_t _kern_mount(const char *path, const char *device, 244 const char *fs_name, uint32 flags, const char *args, 245 size_t argsLength); 246 extern status_t _kern_unmount(const char *path, uint32 flags); 247 extern status_t _kern_read_fs_info(dev_t device, struct fs_info *info); 248 extern status_t _kern_write_fs_info(dev_t device, const struct fs_info *info, 249 int mask); 250 extern dev_t _kern_next_device(int32 *_cookie); 251 extern status_t _kern_sync(void); 252 extern status_t _kern_entry_ref_to_path(dev_t device, ino_t inode, 253 const char *leaf, char *userPath, size_t pathLength); 254 extern status_t _kern_normalize_path(const char* userPath, 255 bool traverseLink, char* buffer); 256 extern int _kern_open_entry_ref(dev_t device, ino_t inode, 257 const char *name, int openMode, int perms); 258 extern int _kern_open(int fd, const char *path, int openMode, 259 int perms); 260 extern int _kern_open_dir_entry_ref(dev_t device, ino_t inode, 261 const char *name); 262 extern int _kern_open_dir(int fd, const char *path); 263 extern int _kern_open_parent_dir(int fd, char *name, 264 size_t nameLength); 265 extern status_t _kern_fcntl(int fd, int op, size_t argument); 266 extern status_t _kern_fsync(int fd); 267 extern status_t _kern_flock(int fd, int op); 268 extern off_t _kern_seek(int fd, off_t pos, int seekType); 269 extern status_t _kern_create_dir_entry_ref(dev_t device, ino_t inode, 270 const char *name, int perms); 271 extern status_t _kern_create_dir(int fd, const char *path, int perms); 272 extern status_t _kern_remove_dir(int fd, const char *path); 273 extern status_t _kern_read_link(int fd, const char *path, char *buffer, 274 size_t *_bufferSize); 275 extern status_t _kern_create_symlink(int fd, const char *path, 276 const char *toPath, int mode); 277 extern status_t _kern_create_link(int pathFD, const char *path, int toFD, 278 const char *toPath, bool traverseLeafLink); 279 extern status_t _kern_unlink(int fd, const char *path); 280 extern status_t _kern_rename(int oldDir, const char *oldpath, int newDir, 281 const char *newpath); 282 extern status_t _kern_create_fifo(int fd, const char *path, mode_t perms); 283 extern status_t _kern_create_pipe(int *fds); 284 extern status_t _kern_access(int fd, const char *path, int mode, 285 bool effectiveUserGroup); 286 extern ssize_t _kern_select(int numfds, struct fd_set *readSet, 287 struct fd_set *writeSet, struct fd_set *errorSet, 288 bigtime_t timeout, const sigset_t *sigMask); 289 extern ssize_t _kern_poll(struct pollfd *fds, int numFDs, 290 bigtime_t timeout, const sigset_t *sigMask); 291 292 extern int _kern_open_attr_dir(int fd, const char *path, 293 bool traverseLeafLink); 294 extern ssize_t _kern_read_attr(int fd, const char *attribute, off_t pos, 295 void *buffer, size_t readBytes); 296 extern ssize_t _kern_write_attr(int fd, const char *attribute, uint32 type, 297 off_t pos, const void *buffer, size_t readBytes); 298 extern status_t _kern_stat_attr(int fd, const char *attribute, 299 struct attr_info *attrInfo); 300 extern int _kern_open_attr(int fd, const char* path, const char *name, 301 uint32 type, int openMode); 302 extern status_t _kern_remove_attr(int fd, const char *name); 303 extern status_t _kern_rename_attr(int fromFile, const char *fromName, 304 int toFile, const char *toName); 305 extern int _kern_open_index_dir(dev_t device); 306 extern status_t _kern_create_index(dev_t device, const char *name, 307 uint32 type, uint32 flags); 308 extern status_t _kern_read_index_stat(dev_t device, const char *name, 309 struct stat *stat); 310 extern status_t _kern_remove_index(dev_t device, const char *name); 311 extern status_t _kern_getcwd(char *buffer, size_t size); 312 extern status_t _kern_setcwd(int fd, const char *path); 313 extern int _kern_open_query(dev_t device, const char *query, 314 size_t queryLength, uint32 flags, port_id port, 315 int32 token); 316 317 // file descriptor functions 318 extern ssize_t _kern_read(int fd, off_t pos, void *buffer, 319 size_t bufferSize); 320 extern ssize_t _kern_readv(int fd, off_t pos, const struct iovec *vecs, 321 size_t count); 322 extern ssize_t _kern_write(int fd, off_t pos, const void *buffer, 323 size_t bufferSize); 324 extern ssize_t _kern_writev(int fd, off_t pos, const struct iovec *vecs, 325 size_t count); 326 extern status_t _kern_ioctl(int fd, uint32 cmd, void *data, size_t length); 327 extern ssize_t _kern_read_dir(int fd, struct dirent *buffer, 328 size_t bufferSize, uint32 maxCount); 329 extern status_t _kern_rewind_dir(int fd); 330 extern status_t _kern_read_stat(int fd, const char *path, bool traverseLink, 331 struct stat *stat, size_t statSize); 332 extern status_t _kern_write_stat(int fd, const char *path, 333 bool traverseLink, const struct stat *stat, 334 size_t statSize, int statMask); 335 extern status_t _kern_close(int fd); 336 extern int _kern_dup(int fd); 337 extern int _kern_dup2(int ofd, int nfd); 338 extern status_t _kern_lock_node(int fd); 339 extern status_t _kern_unlock_node(int fd); 340 extern status_t _kern_get_next_fd_info(team_id team, uint32 *_cookie, 341 struct fd_info *info, size_t infoSize); 342 extern status_t _kern_preallocate(int fd, off_t offset, off_t length); 343 344 // socket functions 345 extern int _kern_socket(int family, int type, int protocol); 346 extern status_t _kern_bind(int socket, const struct sockaddr *address, 347 socklen_t addressLength); 348 extern status_t _kern_shutdown_socket(int socket, int how); 349 extern status_t _kern_connect(int socket, const struct sockaddr *address, 350 socklen_t addressLength); 351 extern status_t _kern_listen(int socket, int backlog); 352 extern int _kern_accept(int socket, struct sockaddr *address, 353 socklen_t *_addressLength); 354 extern ssize_t _kern_recv(int socket, void *data, size_t length, 355 int flags); 356 extern ssize_t _kern_recvfrom(int socket, void *data, size_t length, 357 int flags, struct sockaddr *address, 358 socklen_t *_addressLength); 359 extern ssize_t _kern_recvmsg(int socket, struct msghdr *message, 360 int flags); 361 extern ssize_t _kern_send(int socket, const void *data, size_t length, 362 int flags); 363 extern ssize_t _kern_sendto(int socket, const void *data, size_t length, 364 int flags, const struct sockaddr *address, 365 socklen_t addressLength); 366 extern ssize_t _kern_sendmsg(int socket, const struct msghdr *message, 367 int flags); 368 extern status_t _kern_getsockopt(int socket, int level, int option, 369 void *value, socklen_t *_length); 370 extern status_t _kern_setsockopt(int socket, int level, int option, 371 const void *value, socklen_t length); 372 extern status_t _kern_getpeername(int socket, struct sockaddr *address, 373 socklen_t *_addressLength); 374 extern status_t _kern_getsockname(int socket, struct sockaddr *address, 375 socklen_t *_addressLength); 376 extern int _kern_sockatmark(int socket); 377 extern status_t _kern_socketpair(int family, int type, int protocol, 378 int *socketVector); 379 extern status_t _kern_get_next_socket_stat(int family, uint32 *cookie, 380 struct net_stat *stat); 381 382 // node monitor functions 383 extern status_t _kern_stop_notifying(port_id port, uint32 token); 384 extern status_t _kern_start_watching(dev_t device, ino_t node, uint32 flags, 385 port_id port, uint32 token); 386 extern status_t _kern_stop_watching(dev_t device, ino_t node, port_id port, 387 uint32 token); 388 389 // time functions 390 extern status_t _kern_set_real_time_clock(bigtime_t time); 391 extern status_t _kern_set_timezone(int32 timezoneOffset, const char *name, 392 size_t nameLength); 393 extern status_t _kern_get_timezone(int32 *_timezoneOffset, char *name, 394 size_t nameLength); 395 extern status_t _kern_set_real_time_clock_is_gmt(bool isGMT); 396 extern status_t _kern_get_real_time_clock_is_gmt(bool *_isGMT); 397 398 extern status_t _kern_get_clock(clockid_t clockID, bigtime_t* _time); 399 extern status_t _kern_set_clock(clockid_t clockID, bigtime_t time); 400 401 extern bigtime_t _kern_system_time(); 402 extern status_t _kern_snooze_etc(bigtime_t time, int timebase, int32 flags, 403 bigtime_t* _remainingTime); 404 405 extern int32 _kern_create_timer(clockid_t clockID, thread_id threadID, 406 uint32 flags, const struct sigevent* event, 407 const struct thread_creation_attributes* 408 threadAttributes); 409 extern status_t _kern_delete_timer(int32 timerID, thread_id threadID); 410 extern status_t _kern_get_timer(int32 timerID, thread_id threadID, 411 struct user_timer_info* info); 412 extern status_t _kern_set_timer(int32 timerID, thread_id threadID, 413 bigtime_t startTime, bigtime_t interval, uint32 flags, 414 struct user_timer_info* oldInfo); 415 416 // area functions 417 extern area_id _kern_create_area(const char *name, void **address, 418 uint32 addressSpec, size_t size, uint32 lock, 419 uint32 protection); 420 extern status_t _kern_delete_area(area_id area); 421 extern area_id _kern_area_for(void *address); 422 extern area_id _kern_find_area(const char *name); 423 extern status_t _kern_get_area_info(area_id area, area_info *info); 424 extern status_t _kern_get_next_area_info(team_id team, ssize_t *cookie, 425 area_info *info); 426 extern status_t _kern_resize_area(area_id area, size_t newSize); 427 extern area_id _kern_transfer_area(area_id area, void **_address, 428 uint32 addressSpec, team_id target); 429 extern status_t _kern_set_area_protection(area_id area, 430 uint32 newProtection); 431 extern area_id _kern_clone_area(const char *name, void **_address, 432 uint32 addressSpec, uint32 protection, 433 area_id sourceArea); 434 extern status_t _kern_reserve_address_range(addr_t* _address, 435 uint32 addressSpec, addr_t size); 436 extern status_t _kern_unreserve_address_range(addr_t address, addr_t size); 437 438 extern area_id _kern_map_file(const char *name, void **address, 439 uint32 addressSpec, size_t size, uint32 protection, 440 uint32 mapping, bool unmapAddressRange, int fd, 441 off_t offset); 442 extern status_t _kern_unmap_memory(void *address, size_t size); 443 extern status_t _kern_set_memory_protection(void *address, size_t size, 444 uint32 protection); 445 extern status_t _kern_sync_memory(void *address, size_t size, int flags); 446 extern status_t _kern_memory_advice(void *address, size_t size, 447 uint32 advice); 448 449 extern status_t _kern_get_memory_properties(team_id teamID, 450 const void *address, uint32* _protected, uint32* _lock); 451 452 extern status_t _kern_mlock(const void* address, size_t size); 453 extern status_t _kern_munlock(const void* address, size_t size); 454 455 /* kernel port functions */ 456 extern port_id _kern_create_port(int32 queue_length, const char *name); 457 extern status_t _kern_close_port(port_id id); 458 extern status_t _kern_delete_port(port_id id); 459 extern port_id _kern_find_port(const char *port_name); 460 extern status_t _kern_get_port_info(port_id id, struct port_info *info); 461 extern status_t _kern_get_next_port_info(team_id team, int32 *cookie, 462 struct port_info *info); 463 extern ssize_t _kern_port_buffer_size_etc(port_id port, uint32 flags, 464 bigtime_t timeout); 465 extern int32 _kern_port_count(port_id port); 466 extern ssize_t _kern_read_port_etc(port_id port, int32 *msgCode, 467 void *msgBuffer, size_t bufferSize, uint32 flags, 468 bigtime_t timeout); 469 extern status_t _kern_set_port_owner(port_id port, team_id team); 470 extern status_t _kern_write_port_etc(port_id port, int32 msgCode, 471 const void *msgBuffer, size_t bufferSize, uint32 flags, 472 bigtime_t timeout); 473 extern status_t _kern_writev_port_etc(port_id id, int32 msgCode, 474 const struct iovec *msgVecs, size_t vecCount, 475 size_t bufferSize, uint32 flags, bigtime_t timeout); 476 extern status_t _kern_get_port_message_info_etc(port_id port, 477 port_message_info *info, size_t infoSize, uint32 flags, 478 bigtime_t timeout); 479 480 // debug support functions 481 extern status_t _kern_kernel_debugger(const char *message); 482 extern void _kern_register_syslog_daemon(port_id port); 483 extern void _kern_debugger(const char *message); 484 extern int _kern_disable_debugger(int state); 485 486 extern status_t _kern_install_default_debugger(port_id debuggerPort); 487 extern port_id _kern_install_team_debugger(team_id team, 488 port_id debuggerPort); 489 extern status_t _kern_remove_team_debugger(team_id team); 490 extern status_t _kern_debug_thread(thread_id thread); 491 extern void _kern_wait_for_debugger(void); 492 493 extern status_t _kern_set_debugger_breakpoint(void *address, uint32 type, 494 int32 length, bool watchpoint); 495 extern status_t _kern_clear_debugger_breakpoint(void *address, 496 bool watchpoint); 497 498 extern status_t _kern_system_profiler_start( 499 struct system_profiler_parameters* parameters); 500 extern status_t _kern_system_profiler_next_buffer(size_t bytesRead, 501 uint64* _droppedEvents); 502 extern status_t _kern_system_profiler_stop(); 503 extern status_t _kern_system_profiler_recorded( 504 struct system_profiler_parameters* parameters); 505 506 /* atomic_* ops (needed for CPUs that don't support them directly) */ 507 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS 508 extern void _kern_atomic_set(int32 *value, int32 newValue); 509 extern int32 _kern_atomic_get_and_set(int32 *value, int32 newValue); 510 extern int32 _kern_atomic_test_and_set(int32 *value, int32 newValue, 511 int32 testAgainst); 512 extern int32 _kern_atomic_add(int32 *value, int32 addValue); 513 extern int32 _kern_atomic_and(int32 *value, int32 andValue); 514 extern int32 _kern_atomic_or(int32 *value, int32 orValue); 515 extern int32 _kern_atomic_get(int32 *value); 516 #endif // ATOMIC_FUNCS_ARE_SYSCALLS 517 518 #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS 519 extern void _kern_atomic_set64(int64 *value, int64 newValue); 520 extern int64 _kern_atomic_get_and_set64(int64 *value, int64 newValue); 521 extern int64 _kern_atomic_test_and_set64(int64 *value, int64 newValue, 522 int64 testAgainst); 523 extern int64 _kern_atomic_add64(int64 *value, int64 addValue); 524 extern int64 _kern_atomic_and64(int64 *value, int64 andValue); 525 extern int64 _kern_atomic_or64(int64 *value, int64 orValue); 526 extern int64 _kern_atomic_get64(int64 *value); 527 #endif // ATOMIC64_FUNCS_ARE_SYSCALLS 528 529 /* System informations */ 530 extern status_t _kern_get_system_info(system_info* info); 531 extern status_t _kern_get_cpu_info(uint32 firstCPU, uint32 cpuCount, 532 cpu_info* info); 533 extern status_t _kern_get_cpu_topology_info( 534 cpu_topology_node_info* topologyInfos, 535 uint32* topologyInfoCount); 536 537 extern status_t _kern_analyze_scheduling(bigtime_t from, bigtime_t until, 538 void* buffer, size_t size, 539 struct scheduling_analysis* analysis); 540 541 /* Debug output */ 542 extern void _kern_debug_output(const char *message); 543 extern void _kern_ktrace_output(const char *message); 544 extern status_t _kern_frame_buffer_update(addr_t baseAddress, int32 width, 545 int32 height, int32 depth, int32 bytesPerRow); 546 547 /* messaging service */ 548 extern area_id _kern_register_messaging_service(sem_id lockingSem, 549 sem_id counterSem); 550 extern status_t _kern_unregister_messaging_service(); 551 552 extern void _kern_clear_caches(void *address, size_t length, 553 uint32 flags); 554 extern bool _kern_cpu_enabled(int32 cpu); 555 extern status_t _kern_set_cpu_enabled(int32 cpu, bool enabled); 556 557 #if defined(__i386__) || defined(__x86_64__) 558 // our only x86 only syscall 559 extern status_t _kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu); 560 #endif 561 562 563 /* Disk Device Manager syscalls */ 564 565 // iterating, retrieving device/partition data 566 extern partition_id _kern_get_next_disk_device_id(int32 *cookie, 567 size_t *neededSize); 568 extern partition_id _kern_find_disk_device(const char *filename, 569 size_t *neededSize); 570 extern partition_id _kern_find_partition(const char *filename, 571 size_t *neededSize); 572 extern partition_id _kern_find_file_disk_device(const char *filename, 573 size_t *neededSize); 574 extern status_t _kern_get_disk_device_data(partition_id deviceID, 575 bool deviceOnly, struct user_disk_device_data *buffer, 576 size_t bufferSize, size_t *neededSize); 577 extern partition_id _kern_register_file_device(const char *filename); 578 extern status_t _kern_unregister_file_device(partition_id deviceID, 579 const char *filename); 580 // Only a valid deviceID or filename need to be passed. The other one 581 // is -1/NULL. If both is given only filename is ignored. 582 extern status_t _kern_get_file_disk_device_path(partition_id id, 583 char* buffer, size_t bufferSize); 584 585 // disk systems 586 extern status_t _kern_get_disk_system_info(disk_system_id id, 587 struct user_disk_system_info *info); 588 extern status_t _kern_get_next_disk_system_info(int32 *cookie, 589 struct user_disk_system_info *info); 590 extern status_t _kern_find_disk_system(const char *name, 591 struct user_disk_system_info *info); 592 593 // disk device modification 594 extern status_t _kern_defragment_partition(partition_id partitionID, 595 int32* changeCounter); 596 extern status_t _kern_repair_partition(partition_id partitionID, 597 int32* changeCounter, bool checkOnly); 598 extern status_t _kern_resize_partition(partition_id partitionID, 599 int32* changeCounter, partition_id childID, 600 int32* childChangeCounter, off_t size, 601 off_t contentSize); 602 extern status_t _kern_move_partition(partition_id partitionID, 603 int32* changeCounter, partition_id childID, 604 int32* childChangeCounter, off_t newOffset, 605 partition_id* descendantIDs, 606 int32* descendantChangeCounters, int32 descendantCount); 607 extern status_t _kern_set_partition_name(partition_id partitionID, 608 int32* changeCounter, partition_id childID, 609 int32* childChangeCounter, const char* name); 610 extern status_t _kern_set_partition_content_name(partition_id partitionID, 611 int32* changeCounter, const char* name); 612 extern status_t _kern_set_partition_type(partition_id partitionID, 613 int32* changeCounter, partition_id childID, 614 int32* childChangeCounter, const char* type); 615 extern status_t _kern_set_partition_parameters(partition_id partitionID, 616 int32* changeCounter, partition_id childID, 617 int32* childChangeCounter, const char* parameters); 618 extern status_t _kern_set_partition_content_parameters( 619 partition_id partitionID, int32* changeCounter, 620 const char* parameters); 621 extern status_t _kern_initialize_partition(partition_id partitionID, 622 int32* changeCounter, const char* diskSystemName, 623 const char* name, const char* parameters); 624 extern status_t _kern_uninitialize_partition(partition_id partitionID, 625 int32* changeCounter, partition_id parentID, 626 int32* parentChangeCounter); 627 extern status_t _kern_create_child_partition(partition_id partitionID, 628 int32* changeCounter, off_t offset, off_t size, 629 const char* type, const char* name, 630 const char* parameters, partition_id* childID, 631 int32* childChangeCounter); 632 extern status_t _kern_delete_child_partition(partition_id partitionID, 633 int32* changeCounter, partition_id childID, 634 int32 childChangeCounter); 635 636 // disk change notification 637 extern status_t _kern_start_watching_disks(uint32 eventMask, port_id port, 638 int32 token); 639 extern status_t _kern_stop_watching_disks(port_id port, int32 token); 640 641 642 // The end mark for gensyscallinfos. 643 #ifdef GEN_SYSCALL_INFOS_PROCESSING 644 #pragma syscalls end 645 #endif 646 647 #undef __NO_RETURN 648 649 #ifdef __cplusplus 650 } 651 #endif 652 653 #endif /* _SYSTEM_SYSCALLS_H */ 654