[PATCH] uml: move libc-dependent skas process handling

The serial UML OS-abstraction layer patch (um/kernel/skas dir).

This moves all systemcalls from skas/process.c file under os-Linux dir and
join skas/process.c and skas/process_kern.c files.

Signed-off-by: Gennady Sharapov <gennady.v.sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 8006e085b675..eb1710b81255 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -232,6 +232,7 @@ extern void block_signals(void);
 extern void unblock_signals(void);
 extern int get_signals(void);
 extern int set_signals(int enable);
+extern void os_usr1_signal(int on);
 
 /* trap.c */
 extern void os_fill_handlinfo(struct kern_handlers h);
@@ -272,4 +273,22 @@ extern int protect(struct mm_id * mm_idp, unsigned long addr,
                    unsigned long len, int r, int w, int x, 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(union uml_pt_regs *regs);
+extern void map_stub_pages(int fd, unsigned long code,
+                           unsigned long data, unsigned long stack);
+extern void new_thread(void *stack, void **switch_buf_ptr,
+                         void **fork_buf_ptr, void (*handler)(int));
+extern void thread_wait(void *sw, void *fb);
+extern void switch_threads(void *me, void *next);
+extern int start_idle_thread(void *stack, void *switch_buf_ptr,
+                             void **fork_buf_ptr);
+extern void initial_thread_cb_skas(void (*proc)(void *),
+                                 void *arg);
+extern void halt_skas(void);
+extern void reboot_skas(void);
+
 #endif