2017-09-12 07:52:23 -04:00
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# frozen_string_literal: true
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2010-05-06 02:59:24 -04:00
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require 'fiddle.so'
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require 'fiddle/function'
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require 'fiddle/closure'
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module Fiddle
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if WINDOWS
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2011-08-15 19:48:59 -04:00
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# Returns the last win32 +Error+ of the current executing +Thread+ or nil
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# if none
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2010-05-06 02:59:24 -04:00
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def self.win32_last_error
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Thread.current[:__FIDDLE_WIN32_LAST_ERROR__]
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end
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2011-08-15 19:48:59 -04:00
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# Sets the last win32 +Error+ of the current executing +Thread+ to +error+
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2010-05-06 02:59:24 -04:00
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def self.win32_last_error= error
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Thread.current[:__FIDDLE_WIN32_LAST_ERROR__] = error
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end
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end
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2011-08-15 19:48:59 -04:00
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# Returns the last +Error+ of the current executing +Thread+ or nil if none
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2010-05-06 02:59:24 -04:00
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def self.last_error
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Thread.current[:__FIDDLE_LAST_ERROR__]
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end
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2011-08-15 19:48:59 -04:00
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# Sets the last +Error+ of the current executing +Thread+ to +error+
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2010-05-06 02:59:24 -04:00
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def self.last_error= error
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Thread.current[:__DL2_LAST_ERROR__] = error
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Thread.current[:__FIDDLE_LAST_ERROR__] = error
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end
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2012-11-27 14:54:50 -05:00
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2012-11-27 18:26:07 -05:00
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# call-seq: dlopen(library) => Fiddle::Handle
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#
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# Creates a new handler that opens +library+, and returns an instance of
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# Fiddle::Handle.
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#
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2013-07-26 00:11:27 -04:00
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# If +nil+ is given for the +library+, Fiddle::Handle::DEFAULT is used, which
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2013-07-26 01:06:57 -04:00
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# is the equivalent to RTLD_DEFAULT. See <code>man 3 dlopen</code> for more.
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2013-07-26 00:11:27 -04:00
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#
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2013-07-26 01:06:57 -04:00
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# lib = Fiddle.dlopen(nil)
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#
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# The default is dependent on OS, and provide a handle for all libraries
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# already loaded. For example, in most cases you can use this to access
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# +libc+ functions, or ruby functions like +rb_str_new+.
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2013-07-26 00:11:27 -04:00
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#
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2012-11-27 18:26:07 -05:00
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# See Fiddle::Handle.new for more.
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2012-11-27 14:54:50 -05:00
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def dlopen library
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Fiddle::Handle.new library
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end
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module_function :dlopen
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# Add constants for backwards compat
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RTLD_GLOBAL = Handle::RTLD_GLOBAL # :nodoc:
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RTLD_LAZY = Handle::RTLD_LAZY # :nodoc:
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RTLD_NOW = Handle::RTLD_NOW # :nodoc:
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2010-05-06 02:59:24 -04:00
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end
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