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Diffstat (limited to 'arch/um/include/os.h')
| -rw-r--r-- | arch/um/include/os.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h deleted file mode 100644 index 2cccfa5b8ab..00000000000 --- a/arch/um/include/os.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __OS_H__ -#define __OS_H__ - -#include "uml-config.h" -#include "asm/types.h" -#include "../os/include/file.h" - -#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); -} - -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 void os_print_error(int error, const char* str); -extern int os_get_exec_close(int fd, int *close_on_exec); -extern int os_set_exec_close(int fd, int close_on_exec); -extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg); -extern int os_window_size(int fd, int *rows, int *cols); -extern int os_new_tty_pgrp(int fd, int pid); -extern int os_get_ifname(int fd, char *namebuf); -extern int os_set_slip(int fd); -extern int os_set_owner(int fd, int pid); -extern int os_sigio_async(int master, int slave); -extern int os_mode_fd(int fd, int mode); - -extern int os_seek_file(int fd, __u64 offset); -extern int os_open_file(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(char *file, unsigned long long *size_out); -extern int os_file_modtime(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, int owner); -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(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(char *name); -extern int os_file_type(char *file); -extern int os_file_mode(char *file, struct openflags *mode_out); -extern int os_lock_file(int fd, int excl); - -/* start_up.c */ -extern void os_early_checks(void); -extern int can_do_skas(void); - -/* Make sure they are clear when running in TT mode. Required by - * SEGV_MAYBE_FIXABLE */ -#ifdef UML_CONFIG_MODE_SKAS -#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0) -#else -#define clear_can_do_skas() do {} while (0) -#endif - -/* 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 void os_usr1_process(int pid); -extern int os_getpid(void); -extern int os_getpgrp(void); -extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)); -extern void init_new_thread_signals(int altstack); -extern int run_kernel_thread(int (*fn)(void *), void *arg, void **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 void os_flush_stdout(void); -extern unsigned long long os_usecs(void); - -/* tt.c - * for tt mode only (will be deleted in future...) - */ -extern int protect_memory(unsigned long addr, unsigned long len, - int r, int w, int x, int must_succeed); -extern void forward_pending_sigio(int target); -extern int start_fork_tramp(void *arg, unsigned long temp_stack, - int clone_flags, int (*tramp)(void *)); - -/* uaccess.c */ -extern unsigned long __do_user_copy(void *to, const void *from, int n, - void **fault_addr, void **fault_catcher, - void (*op)(void *to, const void *from, - int n), int *faulted_out); - -/* helper.c */ -extern int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv, - unsigned long *stack_out); -extern int run_helper_thread(int (*proc)(void *), void *arg, - unsigned int flags, unsigned long *stack_out, - int stack_order); -extern int helper_wait(int pid); - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |
