# frozen_string_literal: true

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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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# Returns the last win32 +Error+ of the current executing +Thread+ or nil

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# if none

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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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# Sets the last win32 +Error+ of the current executing +Thread+ to +error+

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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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# Returns the last +Error+ of the current executing +Thread+ or nil if none

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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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# Sets the last +Error+ of the current executing +Thread+ to +error+

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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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# 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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# If +nil+ is given for the +library+, Fiddle::Handle::DEFAULT is used, which

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# is the equivalent to RTLD_DEFAULT. See <code>man 3 dlopen</code> for more.

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#

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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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#

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# See Fiddle::Handle.new for more.

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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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end

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