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+2011-05-13 Doug Evans <dje@google.com>
+
+ * linux-nat.c (debug_linux_nat_async): Delete.
+ Replace all references to use debug_linux_nat instead.
+ (show_debug_linux_nat_async): Delete.
+ (sigchld_handler): Call ui_file_write_async_safe instead of
+ fprintf_unfiltered.
+ (_initialize_linux_nat): Remove `set debug lin-lwp-async'.
+ * ui-file.c (struct ui_file): New member to_write_async_safe.
+ (null_file_write_async_safe): New function.
+ (ui_file_write_async_safe): New function.
+ (set_ui_file_write_async_safe): New function.
+ (ui_file_new): Initialize to_write_async_safe.
+ (stdio_file_write_async_safe): New function.
+ (struct stdio_file): New member fd.
+ (stdio_file_new): Initialize to_write_async_safe, fd.
+ (stdio_file_read, stdio_file_isatty): New stdio->fd instead of calling fileno.
+ * ui-file.h (ui_file_write_async_safe_ftype): New typedef.
+ (set_ui_file_write_async_safe): Declare.
+ (ui_file_write_async_safe): Declare.
+
2011-05-13 Tom Tromey <tromey@redhat.com>
* utils.c (do_value_free): New function.