haiku/headers/private/kernel/syscalls.h
Jérôme Duval 5a2ad00cab fix a TODO in _user_mount : added an argsLength parameter
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16480 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-02-20 18:04:27 +00:00

457 lines
22 KiB
C

/*
* Copyright 2004-2006, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_SYSCALLS_H
#define _KERNEL_SYSCALLS_H
#include <arch_config.h>
#include <image.h>
#include <OS.h>
#include <storage/DiskDeviceDefs.h>
#include <signal.h>
#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_null();
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);
/* 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);
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 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);
// signal functions
extern int _kern_send_signal(pid_t tid, uint sig);
extern int _kern_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet);
extern int _kern_sigaction(int sig, const struct sigaction *action, struct sigaction *oldAction);
extern bigtime_t _kern_set_alarm(bigtime_t time, uint32 mode);
extern int _kern_sigsuspend(const sigset_t *mask);
extern int _kern_sigpending(sigset_t *set);
// 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 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 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_write_link(const char *path, const char *toPath);
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, uint32 flags,
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_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 status_t _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_init_heap_address_range(addr_t base, 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);
/* 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
int sys_sysctl(int *name, uint namlen, void *oldp, size_t *oldlen,
void *newp, size_t newlen);
int sys_socket(int family, int type, int proto);
/* 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 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,
bool shadow, 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);
extern bool _kern_supports_defragmenting_partition(partition_id partitionID,
int32 changeCounter, bool *whileMounted);
extern bool _kern_supports_repairing_partition(partition_id partitionID,
int32 changeCounter, bool checkOnly, bool *whileMounted);
extern bool _kern_supports_resizing_partition(partition_id partitionID,
int32 changeCounter, bool *canResizeContents, bool *whileMounted);
extern bool _kern_supports_moving_partition(partition_id partitionID,
int32 changeCounter, partition_id *unmovable,
partition_id *needUnmounting, size_t bufferSize);
extern bool _kern_supports_setting_partition_name(partition_id partitionID,
int32 changeCounter);
extern bool _kern_supports_setting_partition_content_name(partition_id partitionID,
int32 changeCounter, bool *whileMounted);
extern bool _kern_supports_setting_partition_type(partition_id partitionID,
int32 changeCounter);
extern bool _kern_supports_setting_partition_parameters(partition_id partitionID,
int32 changeCounter);
extern bool _kern_supports_setting_partition_content_parameters(
partition_id partitionID, int32 changeCounter, bool *whileMounted);
extern bool _kern_supports_initializing_partition(partition_id partitionID,
int32 changeCounter, const char *diskSystemName);
extern bool _kern_supports_creating_child_partition(partition_id partitionID,
int32 changeCounter);
extern bool _kern_supports_deleting_child_partition(partition_id partitionID,
int32 changeCounter);
extern bool _kern_is_sub_disk_system_for(disk_system_id diskSystemID,
partition_id partitionID, int32 changeCounter);
extern status_t _kern_validate_resize_partition(partition_id partitionID,
int32 changeCounter, off_t *size);
extern status_t _kern_validate_move_partition(partition_id partitionID,
int32 changeCounter, off_t *newOffset);
extern status_t _kern_validate_set_partition_name(partition_id partitionID,
int32 changeCounter, char *name);
extern status_t _kern_validate_set_partition_content_name(partition_id partitionID,
int32 changeCounter, char *name);
extern status_t _kern_validate_set_partition_type(partition_id partitionID,
int32 changeCounter, const char *type);
extern status_t _kern_validate_initialize_partition(partition_id partitionID,
int32 changeCounter, const char *diskSystemName,
char *name, const char *parameters, size_t parametersSize);
extern status_t _kern_validate_create_child_partition(partition_id partitionID,
int32 changeCounter, off_t *offset, off_t *size,
const char *type, const char *parameters,
size_t parametersSize);
extern status_t _kern_get_partitionable_spaces(partition_id partitionID,
int32 changeCounter,
struct partitionable_space_data *buffer, int32 count,
int32 *actualCount);
extern status_t _kern_get_next_supported_partition_type(partition_id partitionID,
int32 changeCounter, int32 *cookie, char *type);
extern status_t _kern_get_partition_type_for_content_type(disk_system_id diskSystemID,
const char *contentType, char *type);
// disk device modification
extern status_t _kern_prepare_disk_device_modifications(partition_id deviceID);
extern status_t _kern_commit_disk_device_modifications(partition_id deviceID,
port_id port, int32 token, bool completeProgress);
extern status_t _kern_cancel_disk_device_modifications(partition_id deviceID);
extern bool _kern_is_disk_device_modified(partition_id deviceID);
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,
off_t size);
extern status_t _kern_move_partition(partition_id partitionID, int32 changeCounter,
off_t newOffset);
extern status_t _kern_set_partition_name(partition_id partitionID,
int32 changeCounter, 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, const char *type);
extern status_t _kern_set_partition_parameters(partition_id partitionID,
int32 changeCounter, 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 *parameters, size_t parametersSize,
partition_id *childID);
extern status_t _kern_delete_partition(partition_id partitionID, int32 changeCounter);
// jobs
extern status_t _kern_get_next_disk_device_job_info(int32 *cookie,
struct user_disk_device_job_info *info);
extern status_t _kern_get_disk_device_job_info(disk_job_id id,
struct user_disk_device_job_info *info);
extern status_t _kern_get_disk_device_job_progress_info(disk_job_id id,
struct disk_device_job_progress_info *info);
extern status_t _kern_pause_disk_device_job(disk_job_id id);
extern status_t _kern_cancel_disk_device_job(disk_job_id id, bool reverse);
#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 */