/* * Copyright 2004-2008, Haiku Inc. All rights reserved. * Distributed under the terms of the MIT License. */ #ifndef _KERNEL_SYSCALLS_H #define _KERNEL_SYSCALLS_H #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif struct dirent; struct fd_info; struct fd_set; struct fs_info; struct iovec; struct pollfd; struct rlimit; struct sigaction; struct stat; struct disk_device_job_progress_info; struct partitionable_space_data; struct user_disk_device_data; struct user_disk_device_job_info; struct user_disk_system_info; // This marks the beginning of the syscalls prototypes for gensyscallinfos. // NOTE: // * Nothing but those prototypes may live here. // * The arguments of the functions must be named to be processed properly. #ifdef GEN_SYSCALL_INFOS_PROCESSING #pragma syscalls begin #endif extern int _kern_is_computer_on(void); extern status_t _kern_generic_syscall(const char *subsystem, uint32 function, void *buffer, size_t bufferSize); extern int _kern_getrlimit(int resource, struct rlimit * rlp); extern int _kern_setrlimit(int resource, const struct rlimit * rlp); extern status_t _kern_shutdown(bool reboot); extern status_t _kern_get_safemode_option(const char *parameter, char *buffer, size_t *_bufferSize); extern ssize_t _kern_wait_for_objects(object_wait_info* infos, int numInfos, uint32 flags, bigtime_t timeout); /* sem functions */ extern sem_id _kern_create_sem(int count, const char *name); extern status_t _kern_delete_sem(sem_id id); extern status_t _kern_switch_sem(sem_id releaseSem, sem_id id); extern status_t _kern_switch_sem_etc(sem_id releaseSem, sem_id id, uint32 count, uint32 flags, bigtime_t timeout); extern status_t _kern_acquire_sem(sem_id id); extern status_t _kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags, bigtime_t timeout); extern status_t _kern_release_sem(sem_id id); extern status_t _kern_release_sem_etc(sem_id id, uint32 count, uint32 flags); extern status_t _kern_get_sem_count(sem_id id, int32* thread_count); extern status_t _kern_get_sem_info(sem_id semaphore, struct sem_info *info, size_t size); extern status_t _kern_get_next_sem_info(team_id team, int32 *cookie, struct sem_info *info, size_t size); extern status_t _kern_set_sem_owner(sem_id id, team_id proc); /* team & thread syscalls */ extern thread_id _kern_load_image(int32 argCount, const char **args, int32 envCount, const char **envp, int32 priority, uint32 flags, port_id errorPort, uint32 errorToken); extern void _kern_exit_team(status_t returnValue); extern status_t _kern_kill_team(team_id team); extern team_id _kern_get_current_team(); extern status_t _kern_wait_for_team(team_id team, status_t *_returnCode); extern thread_id _kern_wait_for_child(thread_id child, uint32 flags, int32 *_reason, status_t *_returnCode); extern status_t _kern_exec(const char *path, int32 argc, char * const *argv, int32 envCount, char * const *environment); extern thread_id _kern_fork(void); extern pid_t _kern_process_info(pid_t process, int32 which); extern pid_t _kern_setpgid(pid_t process, pid_t group); extern pid_t _kern_setsid(void); extern status_t _kern_change_root(const char *path); extern thread_id _kern_spawn_thread(int32 (*func)(thread_func, void *), const char *name, int32 priority, void *data1, void *data2); extern thread_id _kern_find_thread(const char *name); extern status_t _kern_suspend_thread(thread_id thread); extern status_t _kern_resume_thread(thread_id thread); extern status_t _kern_rename_thread(thread_id thread, const char *newName); extern status_t _kern_set_thread_priority(thread_id thread, int32 newPriority); extern status_t _kern_kill_thread(thread_id thread); extern void _kern_exit_thread(status_t returnValue); extern void _kern_thread_yield(void); extern status_t _kern_wait_for_thread(thread_id thread, status_t *_returnCode); extern bool _kern_has_data(thread_id thread); extern status_t _kern_send_data(thread_id thread, int32 code, const void *buffer, size_t bufferSize); extern int32 _kern_receive_data(thread_id *_sender, void *buffer, size_t bufferSize); extern int64 _kern_restore_signal_frame(); extern status_t _kern_get_thread_info(thread_id id, thread_info *info); extern status_t _kern_get_next_thread_info(team_id team, int32 *cookie, thread_info *info); extern status_t _kern_get_team_info(team_id id, team_info *info); extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info); extern status_t _kern_get_team_usage_info(team_id team, int32 who, team_usage_info *info, size_t size); // user/group functions extern gid_t _kern_getgid(bool effective); extern uid_t _kern_getuid(bool effective); extern status_t _kern_setregid(gid_t rgid, gid_t egid, bool setAllIfPrivileged); extern status_t _kern_setreuid(uid_t ruid, uid_t euid, bool setAllIfPrivileged); extern ssize_t _kern_getgroups(int groupCount, gid_t* groupList); extern status_t _kern_setgroups(int groupCount, const gid_t* groupList); // signal functions extern status_t _kern_send_signal(pid_t tid, uint sig); extern status_t _kern_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet); extern status_t _kern_sigaction(int sig, const struct sigaction *action, struct sigaction *oldAction); extern bigtime_t _kern_set_alarm(bigtime_t time, uint32 mode); extern status_t _kern_sigsuspend(const sigset_t *mask); extern status_t _kern_sigpending(sigset_t *set); extern status_t _kern_set_signal_stack(const stack_t *newStack, stack_t *oldStack); // image functions extern image_id _kern_register_image(image_info *info, size_t size); extern status_t _kern_unregister_image(image_id id); extern void _kern_image_relocated(image_id id); extern void _kern_loading_app_failed(status_t error); extern status_t _kern_get_image_info(image_id id, image_info *info, size_t size); extern status_t _kern_get_next_image_info(team_id team, int32 *cookie, image_info *info, size_t size); // VFS functions extern dev_t _kern_mount(const char *path, const char *device, const char *fs_name, uint32 flags, const char *args, size_t argsLength); extern status_t _kern_unmount(const char *path, uint32 flags); extern status_t _kern_read_fs_info(dev_t device, struct fs_info *info); extern status_t _kern_write_fs_info(dev_t device, const struct fs_info *info, int mask); extern dev_t _kern_next_device(int32 *_cookie); extern status_t _kern_sync(void); extern status_t _kern_entry_ref_to_path(dev_t device, ino_t inode, const char *leaf, char *userPath, size_t pathLength); extern status_t _kern_normalize_path(const char* userPath, bool traverseLink, char* buffer); extern int _kern_open_entry_ref(dev_t device, ino_t inode, const char *name, int openMode, int perms); extern int _kern_open(int fd, const char *path, int openMode, int perms); extern int _kern_open_dir_entry_ref(dev_t device, ino_t inode, const char *name); extern int _kern_open_dir(int fd, const char *path); extern int _kern_open_parent_dir(int fd, char *name, size_t nameLength); extern status_t _kern_fcntl(int fd, int op, uint32 argument); extern status_t _kern_fsync(int fd); extern status_t _kern_flock(int fd, int op); extern off_t _kern_seek(int fd, off_t pos, int seekType); extern status_t _kern_create_dir_entry_ref(dev_t device, ino_t inode, const char *name, int perms); extern status_t _kern_create_dir(int fd, const char *path, int perms); extern status_t _kern_remove_dir(int fd, const char *path); extern status_t _kern_read_link(int fd, const char *path, char *buffer, size_t *_bufferSize); extern status_t _kern_create_symlink(int fd, const char *path, const char *toPath, int mode); extern status_t _kern_create_link(const char *path, const char *toPath); extern status_t _kern_unlink(int fd, const char *path); extern status_t _kern_rename(int oldDir, const char *oldpath, int newDir, const char *newpath); extern status_t _kern_access(const char *path, int mode); extern ssize_t _kern_select(int numfds, struct fd_set *readSet, struct fd_set *writeSet, struct fd_set *errorSet, bigtime_t timeout, const sigset_t *sigMask); extern ssize_t _kern_poll(struct pollfd *fds, int numfds, bigtime_t timeout); extern int _kern_open_attr_dir(int fd, const char *path); extern int _kern_create_attr(int fd, const char *name, uint32 type, int openMode); extern int _kern_open_attr(int fd, const char *name, int openMode); extern status_t _kern_remove_attr(int fd, const char *name); extern status_t _kern_rename_attr(int fromFile, const char *fromName, int toFile, const char *toName); extern int _kern_open_index_dir(dev_t device); extern status_t _kern_create_index(dev_t device, const char *name, uint32 type, uint32 flags); extern status_t _kern_read_index_stat(dev_t device, const char *name, struct stat *stat); extern status_t _kern_remove_index(dev_t device, const char *name); extern status_t _kern_getcwd(char *buffer, size_t size); extern status_t _kern_setcwd(int fd, const char *path); extern int _kern_open_query(dev_t device, const char *query, size_t queryLength, uint32 flags, port_id port, int32 token); // file descriptor functions extern ssize_t _kern_read(int fd, off_t pos, void *buffer, size_t bufferSize); extern ssize_t _kern_readv(int fd, off_t pos, const struct iovec *vecs, size_t count); extern ssize_t _kern_write(int fd, off_t pos, const void *buffer, size_t bufferSize); extern ssize_t _kern_writev(int fd, off_t pos, const struct iovec *vecs, size_t count); extern status_t _kern_ioctl(int fd, ulong cmd, void *data, size_t length); extern ssize_t _kern_read_dir(int fd, struct dirent *buffer, size_t bufferSize, uint32 maxCount); extern status_t _kern_rewind_dir(int fd); extern status_t _kern_read_stat(int fd, const char *path, bool traverseLink, struct stat *stat, size_t statSize); extern status_t _kern_write_stat(int fd, const char *path, bool traverseLink, const struct stat *stat, size_t statSize, int statMask); extern status_t _kern_close(int fd); extern int _kern_dup(int fd); extern int _kern_dup2(int ofd, int nfd); extern status_t _kern_lock_node(int fd); extern status_t _kern_unlock_node(int fd); extern status_t _kern_get_next_fd_info(team_id team, uint32 *_cookie, struct fd_info *info, size_t infoSize); // node monitor functions extern status_t _kern_stop_notifying(port_id port, uint32 token); extern status_t _kern_start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token); extern status_t _kern_stop_watching(dev_t device, ino_t node, port_id port, uint32 token); // time functions extern status_t _kern_set_real_time_clock(uint32 time); extern status_t _kern_set_timezone(int32 timezoneOffset, bool daylightSavingTime); extern status_t _kern_get_timezone(int32 *_timezoneOffset, bool *_daylightSavingTime); extern status_t _kern_set_tzfilename(const char *filename, size_t length, bool isGMT); extern status_t _kern_get_tzfilename(char *filename, size_t length, bool *_isGMT); extern bigtime_t _kern_system_time(); extern status_t _kern_snooze_etc(bigtime_t time, int timebase, int32 flags); // area functions extern area_id _kern_create_area(const char *name, void **address, uint32 addressSpec, size_t size, uint32 lock, uint32 protection); extern status_t _kern_delete_area(area_id area); extern area_id _kern_area_for(void *address); extern area_id _kern_find_area(const char *name); extern status_t _kern_get_area_info(area_id area, area_info *info); extern status_t _kern_get_next_area_info(team_id team, int32 *cookie, area_info *info); extern status_t _kern_resize_area(area_id area, size_t newSize); extern area_id _kern_transfer_area(area_id area, void **_address, uint32 addressSpec, team_id target); extern status_t _kern_set_area_protection(area_id area, uint32 newProtection); extern area_id _kern_clone_area(const char *name, void **_address, uint32 addressSpec, uint32 protection, area_id sourceArea); extern status_t _kern_reserve_heap_address_range(addr_t* _address, uint32 addressSpec, addr_t size); area_id sys_vm_map_file(const char *name, void **address, int addr_type, addr_t size, int lock, int mapping, const char *path, off_t offset); /* kernel port functions */ extern port_id _kern_create_port(int32 queue_length, const char *name); extern status_t _kern_close_port(port_id id); extern status_t _kern_delete_port(port_id id); extern port_id _kern_find_port(const char *port_name); extern status_t _kern_get_port_info(port_id id, struct port_info *info); extern status_t _kern_get_next_port_info(team_id team, int32 *cookie, struct port_info *info); extern ssize_t _kern_port_buffer_size_etc(port_id port, uint32 flags, bigtime_t timeout); extern int32 _kern_port_count(port_id port); extern ssize_t _kern_read_port_etc(port_id port, int32 *msgCode, void *msgBuffer, size_t bufferSize, uint32 flags, bigtime_t timeout); extern status_t _kern_set_port_owner(port_id port, team_id team); extern status_t _kern_write_port_etc(port_id port, int32 msgCode, const void *msgBuffer, size_t bufferSize, uint32 flags, bigtime_t timeout); extern status_t _kern_writev_port_etc(port_id id, int32 msgCode, const struct iovec *msgVecs, size_t vecCount, size_t bufferSize, uint32 flags, bigtime_t timeout); // debug support functions extern void _kern_debugger(const char *message); extern int _kern_disable_debugger(int state); extern status_t _kern_install_default_debugger(port_id debuggerPort); extern port_id _kern_install_team_debugger(team_id team, port_id debuggerPort); extern status_t _kern_remove_team_debugger(team_id team); extern status_t _kern_debug_thread(thread_id thread); extern void _kern_wait_for_debugger(void); extern status_t _kern_set_debugger_breakpoint(void *address, uint32 type, int32 length, bool watchpoint); extern status_t _kern_clear_debugger_breakpoint(void *address, bool watchpoint); /* atomic_* ops (needed for CPUs that don't support them directly) */ #ifdef ATOMIC_FUNCS_ARE_SYSCALLS extern int32 _kern_atomic_set(vint32 *value, int32 newValue); extern int32 _kern_atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst); extern int32 _kern_atomic_add(vint32 *value, int32 addValue); extern int32 _kern_atomic_and(vint32 *value, int32 andValue); extern int32 _kern_atomic_or(vint32 *value, int32 orValue); extern int32 _kern_atomic_get(vint32 *value); #endif // ATOMIC_FUNCS_ARE_SYSCALLS #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS extern int64 _kern_atomic_set64(vint64 *value, int64 newValue); extern int64 _kern_atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst); extern int64 _kern_atomic_add64(vint64 *value, int64 addValue); extern int64 _kern_atomic_and64(vint64 *value, int64 andValue); extern int64 _kern_atomic_or64(vint64 *value, int64 orValue); extern int64 _kern_atomic_get64(vint64 *value); #endif // ATOMIC64_FUNCS_ARE_SYSCALLS /* System informations */ extern status_t _kern_get_system_info(system_info *info, size_t size); /* Debug output */ extern void _kern_debug_output(const char *message); extern void _kern_ktrace_output(const char *message); extern status_t _kern_frame_buffer_update(addr_t baseAddress, int32 width, int32 height, int32 depth, int32 bytesPerRow); /* messaging service */ extern area_id _kern_register_messaging_service(sem_id lockingSem, sem_id counterSem); extern status_t _kern_unregister_messaging_service(); extern void _kern_clear_caches(void *address, size_t length, uint32 flags); extern bool _kern_cpu_enabled(int32 cpu); extern status_t _kern_set_cpu_enabled(int32 cpu, bool enabled); #ifdef __INTEL__ // our only x86 only syscall extern status_t _kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu); #endif /* Disk Device Manager syscalls */ // iterating, retrieving device/partition data extern partition_id _kern_get_next_disk_device_id(int32 *cookie, size_t *neededSize); extern partition_id _kern_find_disk_device(const char *filename, size_t *neededSize); extern partition_id _kern_find_partition(const char *filename, size_t *neededSize); extern status_t _kern_get_disk_device_data(partition_id deviceID, bool deviceOnly, struct user_disk_device_data *buffer, size_t bufferSize, size_t *neededSize); extern partition_id _kern_register_file_device(const char *filename); extern status_t _kern_unregister_file_device(partition_id deviceID, const char *filename); // Only a valid deviceID or filename need to be passed. The other one // is -1/NULL. If both is given only filename is ignored. // disk systems extern status_t _kern_get_disk_system_info(disk_system_id id, struct user_disk_system_info *info); extern status_t _kern_get_next_disk_system_info(int32 *cookie, struct user_disk_system_info *info); extern status_t _kern_find_disk_system(const char *name, struct user_disk_system_info *info); // disk device modification extern status_t _kern_defragment_partition(partition_id partitionID, int32* changeCounter); extern status_t _kern_repair_partition(partition_id partitionID, int32* changeCounter, bool checkOnly); extern status_t _kern_resize_partition(partition_id partitionID, int32* changeCounter, partition_id childID, int32* childChangeCounter, off_t size, off_t contentSize); extern status_t _kern_move_partition(partition_id partitionID, int32* changeCounter, partition_id childID, int32* childChangeCounter, off_t newOffset, partition_id* descendantIDs, int32* descendantChangeCounters, int32 descendantCount); extern status_t _kern_set_partition_name(partition_id partitionID, int32* changeCounter, partition_id childID, int32* childChangeCounter, const char* name); extern status_t _kern_set_partition_content_name(partition_id partitionID, int32* changeCounter, const char* name); extern status_t _kern_set_partition_type(partition_id partitionID, int32* changeCounter, partition_id childID, int32* childChangeCounter, const char* type); extern status_t _kern_set_partition_parameters(partition_id partitionID, int32* changeCounter, partition_id childID, int32* childChangeCounter, const char* parameters, size_t parametersSize); extern status_t _kern_set_partition_content_parameters( partition_id partitionID, int32* changeCounter, const char* parameters, size_t parametersSize); extern status_t _kern_initialize_partition(partition_id partitionID, int32* changeCounter, const char* diskSystemName, const char* name, const char* parameters, size_t parametersSize); extern status_t _kern_uninitialize_partition(partition_id partitionID, int32* changeCounter); extern status_t _kern_create_child_partition(partition_id partitionID, int32* changeCounter, off_t offset, off_t size, const char* type, const char* name, const char* parameters, size_t parametersSize, partition_id* childID, int32* childChangeCounter); extern status_t _kern_delete_child_partition(partition_id partitionID, int32* changeCounter, partition_id childID, int32 childChangeCounter); #if 0 // watching status_t start_disk_device_watching(port_id, int32 token, uint32 flags); status_t start_disk_device_job_watching(disk_job_id job, port_id, int32 token, uint32 flags); status_t stop_disk_device_watching(port_id, int32 token); #endif // 0 // The end mark for gensyscallinfos. #ifdef GEN_SYSCALL_INFOS_PROCESSING #pragma syscalls end #endif #ifdef __cplusplus } #endif #endif /* _KERNEL_SYSCALLS_H */