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-rw-r--r--arch/um/include/chan_kern.h5
-rw-r--r--arch/um/include/chan_user.h21
-rw-r--r--arch/um/include/kern_util.h5
-rw-r--r--arch/um/include/line.h57
-rw-r--r--arch/um/include/mconsole_kern.h17
-rw-r--r--arch/um/include/net_kern.h14
-rw-r--r--arch/um/include/os.h3
-rw-r--r--arch/um/include/sigio.h11
-rw-r--r--arch/um/include/tempfile.h10
-rw-r--r--arch/um/include/umid.h22
-rw-r--r--arch/um/include/user_util.h2
11 files changed, 46 insertions, 121 deletions
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index 9003a34..c4b41bb 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -30,14 +30,13 @@ struct chan {
extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
struct tty_struct *tty, int irq);
extern int parse_chan_pair(char *str, struct line *line, int device,
- const struct chan_opts *opts);
+ const struct chan_opts *opts, char **error_out);
extern int open_chan(struct list_head *chans);
extern int write_chan(struct list_head *chans, const char *buf, int len,
int write_irq);
extern int console_write_chan(struct list_head *chans, const char *buf,
int len);
-extern int console_open_chan(struct line *line, struct console *co,
- const struct chan_opts *opts);
+extern int console_open_chan(struct line *line, struct console *co);
extern void deactivate_chan(struct list_head *chans, int irq);
extern void reactivate_chan(struct list_head *chans, int irq);
extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h
index a795547..38f16d8 100644
--- a/arch/um/include/chan_user.h
+++ b/arch/um/include/chan_user.h
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -9,11 +9,11 @@
#include "init.h"
struct chan_opts {
- void (*announce)(char *dev_name, int dev);
+ void (*const announce)(char *dev_name, int dev);
char *xterm_title;
- int raw;
- unsigned long tramp_stack;
- int in_kernel;
+ const int raw;
+ const unsigned long tramp_stack;
+ const int in_kernel;
};
enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
@@ -54,14 +54,3 @@ __uml_help(fn, prefix "[0-9]*=<channel description>\n" \
);
#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:
- */
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index cec9fcc..173af02 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -61,7 +61,6 @@ extern int set_signals(int enable);
extern void force_sigbus(void);
extern int pid_to_processor_id(int pid);
extern void deliver_signals(void *t);
-extern int next_syscall_index(int max);
extern int next_trap_index(int max);
extern void default_idle(void);
extern void finish_fork(void);
@@ -88,7 +87,6 @@ extern void timer_irq(union uml_pt_regs *regs);
extern void unprotect_stack(unsigned long stack);
extern void do_uml_exitcalls(void);
extern int attach_debugger(int idle_pid, int pid, int stop);
-extern void bad_segv(struct faultinfo fi, unsigned long ip);
extern int config_gdb(char *str);
extern int remove_gdb(void);
extern char *uml_strdup(char *string);
@@ -104,8 +102,6 @@ extern int clear_user_proc(void *buf, int size);
extern int copy_to_user_proc(void *to, void *from, int size);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int strlen_user_proc(char *str);
-extern void bus_handler(int sig, union uml_pt_regs *regs);
-extern void winch(int sig, union uml_pt_regs *regs);
extern long execute_syscall(void *r);
extern int smp_sigio_handler(void);
extern void *get_current(void);
@@ -120,7 +116,6 @@ extern void time_init_kern(void);
/* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
extern int __cant_sleep(void);
-extern void segv_handler(int sig, union uml_pt_regs *regs);
extern void sigio_handler(int sig, union uml_pt_regs *regs);
#endif
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 5f232ae..1223f2c 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -11,36 +11,37 @@
#include "linux/tty.h"
#include "linux/interrupt.h"
#include "linux/spinlock.h"
+#include "linux/mutex.h"
#include "chan_user.h"
#include "mconsole_kern.h"
+/* There's only one modifiable field in this - .mc.list */
struct line_driver {
- char *name;
- char *device_name;
- short major;
- short minor_start;
- short type;
- short subtype;
- int read_irq;
- char *read_irq_name;
- int write_irq;
- char *write_irq_name;
- char *symlink_from;
- char *symlink_to;
+ const char *name;
+ const char *device_name;
+ const short major;
+ const short minor_start;
+ const short type;
+ const short subtype;
+ const int read_irq;
+ const char *read_irq_name;
+ const int write_irq;
+ const char *write_irq_name;
struct mc_device mc;
};
struct line {
struct tty_struct *tty;
+ spinlock_t count_lock;
+ int valid;
+
char *init_str;
int init_pri;
struct list_head chan_list;
- int valid;
- int count;
- int throttled;
+
/*This lock is actually, mostly, local to*/
spinlock_t lock;
-
+ int throttled;
/* Yes, this is a real circular buffer.
* XXX: And this should become a struct kfifo!
*
@@ -57,22 +58,17 @@ struct line {
};
#define LINE_INIT(str, d) \
- { .init_str = str, \
+ { .count_lock = SPIN_LOCK_UNLOCKED, \
+ .init_str = str, \
.init_pri = INIT_STATIC, \
.valid = 1, \
.lock = SPIN_LOCK_UNLOCKED, \
.driver = d }
-struct lines {
- int num;
-};
-
-#define LINES_INIT(n) { .num = n }
-
extern void line_close(struct tty_struct *tty, struct file * filp);
extern int line_open(struct line *lines, struct tty_struct *tty);
extern int line_setup(struct line *lines, unsigned int sizeof_lines,
- char *init);
+ char *init, char **error_out);
extern int line_write(struct tty_struct *tty, const unsigned char *buf,
int len);
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
@@ -90,17 +86,18 @@ extern char *add_xterm_umid(char *base);
extern int line_setup_irq(int fd, int input, int output, struct line *line,
void *data);
extern void line_close_chan(struct line *line);
-extern struct tty_driver * line_register_devfs(struct lines *set,
- struct line_driver *line_driver,
- const struct tty_operations *driver,
- struct line *lines, int nlines);
+extern struct tty_driver *register_lines(struct line_driver *line_driver,
+ const struct tty_operations *driver,
+ struct line *lines, int nlines);
extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
extern void close_lines(struct line *lines, int nlines);
extern int line_config(struct line *lines, unsigned int sizeof_lines,
- char *str, const struct chan_opts *opts);
+ char *str, const struct chan_opts *opts,
+ char **error_out);
extern int line_id(char **str, int *start_out, int *end_out);
-extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
+extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n,
+ char **error_out);
extern int line_get_config(char *dev, struct line *lines,
unsigned int sizeof_lines, char *str,
int size, char **error_out);
diff --git a/arch/um/include/mconsole_kern.h b/arch/um/include/mconsole_kern.h
index 1ea6d928..d2fe07e 100644
--- a/arch/um/include/mconsole_kern.h
+++ b/arch/um/include/mconsole_kern.h
@@ -18,10 +18,10 @@ struct mconsole_entry {
struct mc_device {
struct list_head list;
char *name;
- int (*config)(char *);
+ int (*config)(char *, char **);
int (*get_config)(char *, char *, int, char **);
- int (*id)(char **, int *, int *);
- int (*remove)(int);
+ int (*id)(char **, int *, int *);
+ int (*remove)(int, char **);
};
#define CONFIG_CHUNK(str, size, current, chunk, end) \
@@ -50,14 +50,3 @@ static inline void mconsole_register_dev(struct mc_device *new)
#endif
#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:
- */
diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h
index 218f8b4..125ab42 100644
--- a/arch/um/include/net_kern.h
+++ b/arch/um/include/net_kern.h
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -36,7 +36,7 @@ struct uml_net_private {
void (*remove)(void *);
int (*read)(int, struct sk_buff **skb, struct uml_net_private *);
int (*write)(int, struct sk_buff **skb, struct uml_net_private *);
-
+
void (*add_address)(unsigned char *, unsigned char *, void *);
void (*delete_address)(unsigned char *, unsigned char *, void *);
int (*set_mtu)(int mtu, void *);
@@ -52,18 +52,18 @@ struct net_kern_info {
struct transport {
struct list_head list;
- char *name;
- int (*setup)(char *, char **, void *);
+ const char *name;
+ int (* const setup)(char *, char **, void *);
const struct net_user_info *user;
const struct net_kern_info *kern;
- int private_size;
- int setup_size;
+ const int private_size;
+ const int setup_size;
};
extern struct net_device *ether_init(int);
extern unsigned short ether_protocol(struct sk_buff *);
extern struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra);
-extern int tap_setup_common(char *str, char *type, char **dev_name,
+extern int tap_setup_common(char *str, char *type, char **dev_name,
char **mac_out, char **gate_addr);
extern void register_transport(struct transport *new);
extern unsigned short eth_protocol(struct sk_buff *skb);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 13a86bd..8629bd1 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -137,7 +137,6 @@ 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);
@@ -341,4 +340,6 @@ extern void maybe_sigio_broken(int fd, int read);
extern void sig_handler_common_skas(int sig, void *sc_ptr);
extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
+extern int os_arch_prctl(int pid, int code, unsigned long *addr);
+
#endif
diff --git a/arch/um/include/sigio.h b/arch/um/include/sigio.h
index fe99ea1..434f1a9 100644
--- a/arch/um/include/sigio.h
+++ b/arch/um/include/sigio.h
@@ -12,14 +12,3 @@ extern void sigio_lock(void);
extern void sigio_unlock(void);
#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:
- */
diff --git a/arch/um/include/tempfile.h b/arch/um/include/tempfile.h
index e36d9e0..d441eac 100644
--- a/arch/um/include/tempfile.h
+++ b/arch/um/include/tempfile.h
@@ -9,13 +9,3 @@
extern int make_tempfile(const char *template, char **tempname, int do_unlink);
#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:
- */
diff --git a/arch/um/include/umid.h b/arch/um/include/umid.h
deleted file mode 100644
index 11373c8..0000000
--- a/arch/um/include/umid.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __UMID_H__
-#define __UMID_H__
-
-extern int umid_file_name(char *name, char *buf, int len);
-
-#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:
- */
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index 06625fe..023575f 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -38,8 +38,6 @@ extern unsigned long long highmem;
extern char host_info[];
-extern char saved_command_line[];
-
extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
extern unsigned long _unprotected_end;
extern unsigned long brk_start;
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