X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Finclude%2Fos.h;h=4e9a13e7bde60416d41f4d230ef3765b75abd5d8;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=2a1c64d8d0bf25fab3f1f3da5606dd80e54f50a7;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 2a1c64d8d..4e9a13e7b 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
  * Licensed under the GPL
  */
@@ -12,10 +12,13 @@
 #include "sysdep/ptrace.h"
 #include "kern_util.h"
 #include "skas/mm_id.h"
+#include "irq_user.h"
+#include "sysdep/tls.h"
+#include "sysdep/archsetjmp.h"
 
-#define OS_TYPE_FILE 1 
-#define OS_TYPE_DIR 2 
-#define OS_TYPE_SYMLINK 3 
+#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
@@ -59,68 +62,69 @@ struct openflags {
 };
 
 #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 })
 
 static inline struct openflags of_read(struct openflags flags)
 {
-	flags.r = 1; 
-	return(flags);
+	flags.r = 1;
+	return flags;
 }
 
 static inline struct openflags of_write(struct openflags flags)
 {
-	flags.w = 1; 
-	return(flags); 
+	flags.w = 1;
+	return flags;
 }
 
 static inline struct openflags of_rdwr(struct openflags flags)
 {
-	return(of_read(of_write(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);
+	return flags;
 }
 
 static inline struct openflags of_sync(struct openflags flags)
-{ 
-	flags.s = 1; 
-	return(flags); 
+{
+	flags.s = 1;
+	return flags;
 }
 
 static inline struct openflags of_create(struct openflags flags)
-{ 
-	flags.c = 1; 
-	return(flags); 
+{
+	flags.c = 1;
+	return flags;
 }
- 
+
 static inline struct openflags of_trunc(struct openflags flags)
-{ 
-	flags.t = 1; 
-	return(flags); 
+{
+	flags.t = 1;
+	return flags;
 }
- 
+
 static inline struct openflags of_append(struct openflags flags)
-{ 
-	flags.a = 1; 
-	return(flags); 
+{
+	flags.a = 1;
+	return flags;
 }
- 
+
 static inline struct openflags of_excl(struct openflags flags)
-{ 
-	flags.e = 1; 
-	return(flags); 
+{
+	flags.e = 1;
+	return flags;
 }
 
 static inline struct openflags of_cloexec(struct openflags flags)
-{ 
-	flags.cl = 1; 
-	return(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);
@@ -156,10 +160,21 @@ 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 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 int can_do_skas(void);
+extern void os_check_bugs(void);
+extern void check_host_supports_tls(int *supports_tls, int *tls_min);
 
 /* Make sure they are clear when running in TT mode. Required by
  * SEGV_MAYBE_FIXABLE */
@@ -184,21 +199,27 @@ extern long os_ptrace_ldt(long pid, long addr, long data);
 extern int os_getpid(void);
 extern int os_getpgrp(void);
 
+#ifdef UML_CONFIG_MODE_TT
 extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
-extern void init_new_thread_signals(int altstack);
+extern void stop(void);
+#endif
+extern void init_new_thread_signals(void);
 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, 
+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);
 
 /* tt.c
  * for tt mode only (will be deleted in future...)
  */
-extern void stop(void);
+extern void forward_ipi(int fd, int pid);
+extern void kill_child_dead(int pid);
 extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
 extern int protect_memory(unsigned long addr, unsigned long len,
 			  int r, int w, int x, int must_succeed);
@@ -212,6 +233,8 @@ extern unsigned long __do_user_copy(void *to, const void *from, int n,
 				    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,
 		      unsigned long *stack_out);
@@ -220,8 +243,12 @@ extern int run_helper_thread(int (*proc)(void *), void *arg,
 			     int stack_order);
 extern int helper_wait(int pid);
 
-/* umid.c */
 
+/* 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);
@@ -254,9 +281,11 @@ extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
 
 extern void switch_timers(int to_real);
 extern void idle_sleep(int secs);
+extern int set_interval(int is_virtual);
+#ifdef CONFIG_MODE_TT
 extern void enable_timer(void);
+#endif
 extern void disable_timer(void);
-extern void user_time_init(void);
 extern void uml_idle_timer(void);
 extern unsigned long long os_nsecs(void);
 
@@ -283,15 +312,35 @@ 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 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);
+extern void init_irq_signals(int on_sigstack);
+
+/* 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);
+
+/* skas/trap */
+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