Current File : //opt/alt/ruby24/lib64/ruby/2.4.0/fiddle.rb
# frozen_string_literal: false
require 'fiddle.so'
require 'fiddle/function'
require 'fiddle/closure'
module Fiddle
if WINDOWS
# Returns the last win32 +Error+ of the current executing +Thread+ or nil
# if none
def self.win32_last_error
Thread.current[:__FIDDLE_WIN32_LAST_ERROR__]
end
# Sets the last win32 +Error+ of the current executing +Thread+ to +error+
def self.win32_last_error= error
Thread.current[:__FIDDLE_WIN32_LAST_ERROR__] = error
end
end
# Returns the last +Error+ of the current executing +Thread+ or nil if none
def self.last_error
Thread.current[:__FIDDLE_LAST_ERROR__]
end
# Sets the last +Error+ of the current executing +Thread+ to +error+
def self.last_error= error
Thread.current[:__DL2_LAST_ERROR__] = error
Thread.current[:__FIDDLE_LAST_ERROR__] = error
end
# call-seq: dlopen(library) => Fiddle::Handle
#
# Creates a new handler that opens +library+, and returns an instance of
# Fiddle::Handle.
#
# If +nil+ is given for the +library+, Fiddle::Handle::DEFAULT is used, which
# is the equivalent to RTLD_DEFAULT. See <code>man 3 dlopen</code> for more.
#
# lib = Fiddle.dlopen(nil)
#
# The default is dependent on OS, and provide a handle for all libraries
# already loaded. For example, in most cases you can use this to access
# +libc+ functions, or ruby functions like +rb_str_new+.
#
# See Fiddle::Handle.new for more.
def dlopen library
Fiddle::Handle.new library
end
module_function :dlopen
# Add constants for backwards compat
RTLD_GLOBAL = Handle::RTLD_GLOBAL # :nodoc:
RTLD_LAZY = Handle::RTLD_LAZY # :nodoc:
RTLD_NOW = Handle::RTLD_NOW # :nodoc:
end