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