#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_major; /* device */
+ int ust_minor;
+ 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 */
+ int ust_rmajor;
+ int ust_rminor;
+};
+
struct openflags {
unsigned int r : 1;
unsigned int w : 1;
unsigned int a : 1; /* O_APPEND */
unsigned int e : 1; /* O_EXCL */
unsigned int cl : 1; /* FD_CLOEXEC */
+ unsigned int d : 1; /* O_DIRECT */
};
#define OPENFLAGS() ((struct openflags) { .r = 0, .w = 0, .s = 0, .c = 0, \
- .t = 0, .a = 0, .e = 0, .cl = 0 })
+ .t = 0, .a = 0, .e = 0, .cl = 0, \
+ .d = 0 })
static inline struct openflags of_read(struct openflags flags)
{
flags.e = 1;
return(flags);
}
-
+
static inline struct openflags of_cloexec(struct openflags flags)
{
flags.cl = 1;
return(flags);
}
+static inline struct openflags of_direct(struct openflags flags)
+{
+ flags.d = 1;
+ return(flags);
+}
+
+extern int os_stat_file(const char *file_name, struct uml_stat *buf);
+extern int os_lstat_file(const char *file_name, struct uml_stat *ubuf);
+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_file_time(const char *file, unsigned long access,
+ unsigned long mod);
+extern int os_set_file_perms(const char *file, int mode);
+extern int os_set_file_owner(const char *file, int owner, int group);
+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 void *os_open_dir(char *dir, int *err_out);
+extern int os_seek_dir(void *stream, unsigned long long pos);
+extern int os_read_dir(void *stream, unsigned long long *ino_out,
+ char **name_out);
+extern int os_tell_dir(void *stream);
+extern int os_close_dir(void *stream);
+extern int os_remove_file(const char *file);
+extern int os_move_file(const char *from, const char *to);
+extern int os_truncate_file(const char *file, unsigned long long len);
+extern int os_truncate_fd(int fd, unsigned long long len);
extern int os_read_file(int fd, void *buf, int len);
-extern int os_write_file(int fd, void *buf, int count);
+extern int os_write_file(int fd, const void *buf, int count);
extern int os_file_size(char *file, long long *size_out);
+extern int os_fd_size(int fd, 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_make_symlink(const char *to, const char *from);
+extern int os_read_symlink(const char *file, char *buf, int size);
+extern int os_link_file(const char *to, const char *from);
+extern int os_make_dir(const char *dir, int mode);
+extern int os_remove_dir(const char *dir);
+extern int os_make_dev(const char *name, int mode, int major, int minor);
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);
+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);
extern unsigned long os_process_pc(int pid);
extern int os_process_parent(int pid);
extern void os_usr1_process(int pid);
extern int os_getpid(void);
-extern int os_map_memory(void *virt, int fd, unsigned long off,
+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 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 unsigned long long os_usecs(void);
#endif