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Diffstat (limited to 'arch/um/include/os.h')
-rw-r--r-- | arch/um/include/os.h | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h deleted file mode 100644 index db5be46e3e18..000000000000 --- a/arch/um/include/os.h +++ /dev/null @@ -1,304 +0,0 @@ -/* - * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __OS_H__ -#define __OS_H__ - -#include <stdarg.h> -#include "irq_user.h" -#include "longjmp.h" -#include "mm_id.h" -#include "sysdep/tls.h" -#include "../os/include/file.h" - -#define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR)) - -#define OS_TYPE_FILE 1 -#define OS_TYPE_DIR 2 -#define OS_TYPE_SYMLINK 3 -#define OS_TYPE_CHARDEV 4 -#define OS_TYPE_BLOCKDEV 5 -#define OS_TYPE_FIFO 6 -#define OS_TYPE_SOCK 7 - -/* os_access() flags */ -#define OS_ACC_F_OK 0 /* Test for existence. */ -#define OS_ACC_X_OK 1 /* Test for execute permission. */ -#define OS_ACC_W_OK 2 /* Test for write permission. */ -#define OS_ACC_R_OK 4 /* Test for read permission. */ -#define OS_ACC_RW_OK (OS_ACC_W_OK | OS_ACC_R_OK) /* Test for RW permission */ - -/* - * types taken from stat_file() in hostfs_user.c - * (if they are wrong here, they are wrong there...). - */ -struct uml_stat { - int ust_dev; /* device */ - unsigned long long ust_ino; /* inode */ - int ust_mode; /* protection */ - int ust_nlink; /* number of hard links */ - int ust_uid; /* user ID of owner */ - int ust_gid; /* group ID of owner */ - unsigned long long ust_size; /* total size, in bytes */ - int ust_blksize; /* blocksize for filesystem I/O */ - unsigned long long ust_blocks; /* number of blocks allocated */ - unsigned long ust_atime; /* time of last access */ - unsigned long ust_mtime; /* time of last modification */ - unsigned long ust_ctime; /* time of last change */ -}; - -struct openflags { - unsigned int r : 1; - unsigned int w : 1; - unsigned int s : 1; /* O_SYNC */ - unsigned int c : 1; /* O_CREAT */ - unsigned int t : 1; /* O_TRUNC */ - unsigned int a : 1; /* O_APPEND */ - unsigned int e : 1; /* O_EXCL */ - unsigned int cl : 1; /* FD_CLOEXEC */ -}; - -#define OPENFLAGS() ((struct openflags) { .r = 0, .w = 0, .s = 0, .c = 0, \ - .t = 0, .a = 0, .e = 0, .cl = 0 }) - -static inline struct openflags of_read(struct openflags flags) -{ - flags.r = 1; - return flags; -} - -static inline struct openflags of_write(struct openflags flags) -{ - flags.w = 1; - return flags; -} - -static inline struct openflags of_rdwr(struct openflags flags) -{ - return of_read(of_write(flags)); -} - -static inline struct openflags of_set_rw(struct openflags flags, int r, int w) -{ - flags.r = r; - flags.w = w; - return flags; -} - -static inline struct openflags of_sync(struct openflags flags) -{ - flags.s = 1; - return flags; -} - -static inline struct openflags of_create(struct openflags flags) -{ - flags.c = 1; - return flags; -} - -static inline struct openflags of_trunc(struct openflags flags) -{ - flags.t = 1; - return flags; -} - -static inline struct openflags of_append(struct openflags flags) -{ - flags.a = 1; - return flags; -} - -static inline struct openflags of_excl(struct openflags flags) -{ - flags.e = 1; - return flags; -} - -static inline struct openflags of_cloexec(struct openflags flags) -{ - flags.cl = 1; - return flags; -} - -/* file.c */ -extern int os_stat_file(const char *file_name, struct uml_stat *buf); -extern int os_stat_fd(const int fd, struct uml_stat *buf); -extern int os_access(const char *file, int mode); -extern int os_set_exec_close(int fd); -extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg); -extern int os_get_ifname(int fd, char *namebuf); -extern int os_set_slip(int fd); -extern int os_mode_fd(int fd, int mode); - -extern int os_seek_file(int fd, unsigned long long offset); -extern int os_open_file(const char *file, struct openflags flags, int mode); -extern int os_read_file(int fd, void *buf, int len); -extern int os_write_file(int fd, const void *buf, int count); -extern int os_file_size(const char *file, unsigned long long *size_out); -extern int os_file_modtime(const char *file, unsigned long *modtime); -extern int os_pipe(int *fd, int stream, int close_on_exec); -extern int os_set_fd_async(int fd); -extern int os_clear_fd_async(int fd); -extern int os_set_fd_block(int fd, int blocking); -extern int os_accept_connection(int fd); -extern int os_create_unix_socket(const char *file, int len, int close_on_exec); -extern int os_shutdown_socket(int fd, int r, int w); -extern void os_close_file(int fd); -extern int os_rcv_fd(int fd, int *helper_pid_out); -extern int create_unix_socket(char *file, int len, int close_on_exec); -extern int os_connect_socket(const char *name); -extern int os_file_type(char *file); -extern int os_file_mode(const char *file, struct openflags *mode_out); -extern int os_lock_file(int fd, int excl); -extern void os_flush_stdout(void); -extern int os_stat_filesystem(char *path, long *bsize_out, - long long *blocks_out, long long *bfree_out, - long long *bavail_out, long long *files_out, - long long *ffree_out, void *fsid_out, - int fsid_size, long *namelen_out, - long *spare_out); -extern int os_change_dir(char *dir); -extern int os_fchange_dir(int fd); - -/* start_up.c */ -extern void os_early_checks(void); -extern void can_do_skas(void); -extern void os_check_bugs(void); -extern void check_host_supports_tls(int *supports_tls, int *tls_min); - -/* mem.c */ -extern int create_mem_file(unsigned long long len); - -/* process.c */ -extern unsigned long os_process_pc(int pid); -extern int os_process_parent(int pid); -extern void os_stop_process(int pid); -extern void os_kill_process(int pid, int reap_child); -extern void os_kill_ptraced_process(int pid, int reap_child); -extern long os_ptrace_ldt(long pid, long addr, long data); - -extern int os_getpid(void); -extern int os_getpgrp(void); - -extern void init_new_thread_signals(void); -extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr); - -extern int os_map_memory(void *virt, int fd, unsigned long long off, - unsigned long len, int r, int w, int x); -extern int os_protect_memory(void *addr, unsigned long len, - int r, int w, int x); -extern int os_unmap_memory(void *addr, int len); -extern int os_drop_memory(void *addr, int length); -extern int can_drop_memory(void); -extern void os_flush_stdout(void); - -/* uaccess.c */ -extern unsigned long __do_user_copy(void *to, const void *from, int n, - void **fault_addr, jmp_buf **fault_catcher, - void (*op)(void *to, const void *from, - int n), int *faulted_out); - -/* execvp.c */ -extern int execvp_noalloc(char *buf, const char *file, char *const argv[]); -/* helper.c */ -extern int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv); -extern int run_helper_thread(int (*proc)(void *), void *arg, - unsigned int flags, unsigned long *stack_out); -extern int helper_wait(int pid); - - -/* tls.c */ -extern int os_set_thread_area(user_desc_t *info, int pid); -extern int os_get_thread_area(user_desc_t *info, int pid); - -/* umid.c */ -extern int umid_file_name(char *name, char *buf, int len); -extern int set_umid(char *name); -extern char *get_umid(void); - -/* signal.c */ -extern void timer_init(void); -extern void set_sigstack(void *sig_stack, int size); -extern void remove_sigstack(void); -extern void set_handler(int sig, void (*handler)(int), int flags, ...); -extern int change_sig(int signal, int on); -extern void block_signals(void); -extern void unblock_signals(void); -extern int get_signals(void); -extern int set_signals(int enable); - -/* util.c */ -extern void stack_protections(unsigned long address); -extern int raw(int fd); -extern void setup_machinename(char *machine_out); -extern void setup_hostinfo(char *buf, int len); -extern void os_dump_core(void) __attribute__ ((noreturn)); - -/* time.c */ -extern void idle_sleep(unsigned long long nsecs); -extern int set_interval(void); -extern int timer_one_shot(int ticks); -extern long long disable_timer(void); -extern void uml_idle_timer(void); -extern long long os_nsecs(void); - -/* skas/mem.c */ -extern long run_syscall_stub(struct mm_id * mm_idp, - int syscall, unsigned long *args, long expected, - void **addr, int done); -extern long syscall_stub_data(struct mm_id * mm_idp, - unsigned long *data, int data_count, - void **addr, void **stub_addr); -extern int map(struct mm_id * mm_idp, unsigned long virt, - unsigned long len, int prot, int phys_fd, - unsigned long long offset, int done, void **data); -extern int unmap(struct mm_id * mm_idp, unsigned long addr, unsigned long len, - int done, void **data); -extern int protect(struct mm_id * mm_idp, unsigned long addr, - unsigned long len, unsigned int prot, int done, void **data); - -/* skas/process.c */ -extern int is_skas_winch(int pid, int fd, void *data); -extern int start_userspace(unsigned long stub_stack); -extern int copy_context_skas0(unsigned long stack, int pid); -extern void userspace(struct uml_pt_regs *regs); -extern int map_stub_pages(int fd, unsigned long code, unsigned long data, - unsigned long stack); -extern void new_thread(void *stack, jmp_buf *buf, void (*handler)(void)); -extern void switch_threads(jmp_buf *me, jmp_buf *you); -extern int start_idle_thread(void *stack, jmp_buf *switch_buf); -extern void initial_thread_cb_skas(void (*proc)(void *), - void *arg); -extern void halt_skas(void); -extern void reboot_skas(void); - -/* irq.c */ -extern int os_waiting_for_events(struct irq_fd *active_fds); -extern int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds); -extern void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg, - struct irq_fd *active_fds, struct irq_fd ***last_irq_ptr2); -extern void os_free_irq_later(struct irq_fd *active_fds, - int irq, void *dev_id); -extern int os_get_pollfd(int i); -extern void os_set_pollfd(int i, int fd); -extern void os_set_ioignore(void); - -/* sigio.c */ -extern int add_sigio_fd(int fd); -extern int ignore_sigio_fd(int fd); -extern void maybe_sigio_broken(int fd, int read); -extern void sigio_broken(int fd, int read); - -/* sys-x86_64/prctl.c */ -extern int os_arch_prctl(int pid, int code, unsigned long *addr); - -/* tty.c */ -extern int get_pty(void); - -/* sys-$ARCH/task_size.c */ -extern unsigned long os_get_top_address(void); - -#endif |