1 files changed, 36 insertions, 38 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index f88856c28a66..5316e8a4a4fd 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
  */
@@ -15,9 +15,9 @@
 #include "irq_user.h"
 #include "sysdep/tls.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
@@ -61,68 +61,68 @@ 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);
@@ -199,12 +199,12 @@ 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 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);
@@ -318,7 +318,6 @@ extern void reboot_skas(void);
 
 /* irq.c */
 extern int os_waiting_for_events(struct irq_fd *active_fds);
-extern int os_isatty(int fd);
 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);
@@ -330,9 +329,8 @@ extern void os_set_ioignore(void);
 extern void init_irq_signals(int on_sigstack);
 
 /* sigio.c */
-extern void write_sigio_workaround(void);
-extern int add_sigio_fd(int fd, int read);
 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);