ERROR_SETMARK_DETECTED to EIO instead of ESPIPE. Handle ERROR_FILEMARK_DETECTED. * fhandler_tape.cc (TAPE_FUNC): Add comment that ERROR_BUS_RESET has still to be handled correctly. (fhandler_dev_tape::open): Accomodate fact that get.mt_dsreg also contains density code. (fhandler_dev_tape::ioctl): Rearrange slightly. Reset devbuf also on MTNOP, MTWSM, MTSETBLK, MTSETDRVBUFFER, MTSETPART and MTMKPART. (fhandler_dev_tape::tape_set_pos): Rearrange. Match behaviour to the Linux tape driver. (fhandler_dev_tape::tape_status): Call IOCTL_STORAGE_GET_MEDIA_TYPES_EX if available. Return device type and density code in appropriate mtget members. * wincap.h (wincaps::has_ioctl_storage_get_media_types_ex): New element. * wincap.cc: Implement above element throughout. * include/cygwin/mtio.h: Add tape device types as returned by IOCTL_STORAGE_GET_MEDIA_TYPES_EX. (MT_TAPE_INFO): Use above type codes. (struct mtget): Change mt_dsreg comment.
		
			
				
	
	
		
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			124 lines
		
	
	
		
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/* wincap.h: Header for OS capability class.
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   Copyright 2001, 2002, 2003, 2004 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _WINCAP_H
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#define _WINCAP_H
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struct wincaps
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{
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  DWORD    lock_file_highword;
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  DWORD    chunksize;
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  int      shared;
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  unsigned is_winnt                                     : 1;
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  unsigned is_server                                    : 1;
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  unsigned access_denied_on_delete                      : 1;
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  unsigned has_delete_on_close                          : 1;
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  unsigned has_page_guard                               : 1;
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  unsigned has_security                                 : 1;
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  unsigned has_security_descriptor_control              : 1;
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  unsigned has_get_process_times                        : 1;
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  unsigned has_lseek_bug                                : 1;
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  unsigned has_lock_file_ex                             : 1;
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  unsigned has_signal_object_and_wait                   : 1;
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  unsigned has_eventlog                                 : 1;
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  unsigned has_ip_helper_lib                            : 1;
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  unsigned has_set_handle_information                   : 1;
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  unsigned has_set_handle_information_on_console_handles: 1;
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  unsigned supports_smp                                 : 1;
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  unsigned map_view_of_file_ex_sucks                    : 1;
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  unsigned altgr_is_ctrl_alt                            : 1;
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  unsigned has_physical_mem_access                      : 1;
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  unsigned has_working_copy_on_write                    : 1;
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  unsigned share_mmaps_only_by_name                     : 1;
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  unsigned virtual_protect_works_on_shared_pages        : 1;
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  unsigned has_hard_links                               : 1;
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  unsigned can_open_directories                         : 1;
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  unsigned has_move_file_ex                             : 1;
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  unsigned has_negative_pids                            : 1;
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  unsigned has_unreliable_pipes                         : 1;
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  unsigned has_try_enter_critical_section		: 1;
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  unsigned has_raw_devices				: 1;
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  unsigned has_valid_processorlevel			: 1;
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  unsigned has_64bit_file_access			: 1;
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  unsigned has_process_io_counters                      : 1;
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  unsigned supports_reading_modem_output_lines          : 1;
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  unsigned needs_memory_protection			: 1;
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  unsigned pty_needs_alloc_console			: 1;
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  unsigned has_terminal_services			: 1;
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  unsigned has_switch_to_thread				: 1;
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  unsigned cant_debug_dll_entry				: 1;
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  unsigned has_ioctl_storage_get_media_types_ex		: 1;
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};
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class wincapc
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{
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  OSVERSIONINFOEX  version;
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  char             osnam[40];
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  void             *caps;
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public:
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  void init ();
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  void set_chunksize (DWORD nchunksize);
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  const char *osname () const { return osnam; }
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#define IMPLEMENT(cap) cap() const { return ((wincaps *) this->caps)->cap; }
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  DWORD IMPLEMENT (lock_file_highword)
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  DWORD IMPLEMENT (chunksize)
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  int   IMPLEMENT (shared)
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  bool  IMPLEMENT (is_winnt)
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  bool  IMPLEMENT (is_server)
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  bool  IMPLEMENT (access_denied_on_delete)
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  bool  IMPLEMENT (has_delete_on_close)
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  bool  IMPLEMENT (has_page_guard)
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  bool  IMPLEMENT (has_security)
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  bool  IMPLEMENT (has_security_descriptor_control)
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  bool  IMPLEMENT (has_get_process_times)
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  bool  IMPLEMENT (has_lseek_bug)
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  bool  IMPLEMENT (has_lock_file_ex)
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  bool  IMPLEMENT (has_signal_object_and_wait)
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  bool  IMPLEMENT (has_eventlog)
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  bool  IMPLEMENT (has_ip_helper_lib)
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  bool  IMPLEMENT (has_set_handle_information)
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  bool  IMPLEMENT (has_set_handle_information_on_console_handles)
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  bool  IMPLEMENT (supports_smp)
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  bool  IMPLEMENT (map_view_of_file_ex_sucks)
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  bool  IMPLEMENT (altgr_is_ctrl_alt)
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  bool  IMPLEMENT (has_physical_mem_access)
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  bool  IMPLEMENT (has_working_copy_on_write)
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  bool  IMPLEMENT (share_mmaps_only_by_name)
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  bool  IMPLEMENT (virtual_protect_works_on_shared_pages)
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  bool  IMPLEMENT (has_hard_links)
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  bool  IMPLEMENT (can_open_directories)
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  bool  IMPLEMENT (has_move_file_ex)
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  bool  IMPLEMENT (has_negative_pids)
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  bool  IMPLEMENT (has_unreliable_pipes)
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  bool  IMPLEMENT (has_try_enter_critical_section)
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  bool  IMPLEMENT (has_raw_devices)
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  bool  IMPLEMENT (has_valid_processorlevel)
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  bool  IMPLEMENT (has_64bit_file_access)
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  bool  IMPLEMENT (has_process_io_counters)
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  bool  IMPLEMENT (supports_reading_modem_output_lines)
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  bool  IMPLEMENT (needs_memory_protection)
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  bool  IMPLEMENT (pty_needs_alloc_console)
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  bool  IMPLEMENT (has_terminal_services)
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  bool  IMPLEMENT (has_switch_to_thread)
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  bool	IMPLEMENT (cant_debug_dll_entry)
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  bool	IMPLEMENT (has_ioctl_storage_get_media_types_ex)
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#undef IMPLEMENT
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};
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extern wincapc wincap;
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#endif /* _WINCAP_H */
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