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41e170e271
* gdbserver/remote-gutils.c: Remove lots of unused functions and variables. * gdbserver/remote-inflow.c: Remove lots of unused variables and #includes. Also, use PTRACE_* symbols instead of constants. (mywait): Surround calls to wait() with enable/disable_async_io() so that we can be interrupted from GDB while waiting for the child. Also, handle child exit more gracefully. * gdbserver/remote-server.c: Remove lots of unused variables. Move all extern defs into server.h. Redo main loop so that failure from getpkt() causes communications to be re-established. Fix 'k' command so that it restarts the child. * gdbserver/remote-utils.c: Remove lots of unloved vars and subrs. Move many extern decls into server.h. (remote_open): For tcp, seperate usage of proto fd from connected fd. Close proto fd after getting connection. (putpkt/getpkt): Pay attention to errors when reading/writing. Report these to the caller. New routines input_interrupt/enable_async_io/disable_async_io to make it possible to get an I/O interrupt when data arrives from the comm link. * serial.h: New file to contain common defs for all remote files.