| quanta |
04-30-2011 10:29 AM |
Ruby-FFI: `ffi_libraries': no library specified (LoadError)
Hi,
As I mentioned in the subject, I got the following error when start tyrantmanager:
Code:
tyrantmanager --help
/usr/lib64/ruby/gems/1.8/gems/loquacious-1.6.4/lib/loquacious/undefined.rb:87: warning: parenthesize argument(s) for future version
/usr/lib64/ruby/gems/1.8/gems/ffi-1.0.0/lib/ffi/library.rb:93:in ffi_libraries': no library specified (LoadError)
from /usr/lib64/ruby/gems/1.8/gems/ffi-1.0.0/lib/ffi/library.rb:129:inattfunc'
from /usr/lib64/ruby/gems/1.8/gems/rufus-tokyo-1.0.7/lib/rufus/tokyo/tyrant/lib.rb:59
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib64/ruby/gems/1.8/gems/rufus-tokyo-1.0.7/lib/rufus/tokyo/tyrant.rb:32
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib64/ruby/gems/1.8/gems/tyrantmanager-1.6.0/lib/tyrant_manager/tyrant_instance.rb:2
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib64/ruby/gems/1.8/gems/tyrantmanager-1.6.0/lib/tyrant_manager.rb:249
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib64/ruby/gems/1.8/gems/tyrantmanager-1.6.0/bin/tyrantmanager:9
from /usr/bin/tyrantmanager:19:in `load'
from /usr/bin/tyrantmanager:19
It happens with all the versions of ffi: form 0.6.3 to 1.0.7.
The content of library.rb:
Code:
21 module FFI
22 CURRENT_PROCESS = USE_THIS_PROCESS_AS_LIBRARY = Object.new
23
24 def self.map_library_name(lib)
25 # Mangle the library name to reflect the native library naming conventions
26 lib = lib.to_s unless lib.kind_of?(String)
27 lib = Library::LIBC if lib == 'c'
28
29 if lib && File.basename(lib) == lib
30 lib = Platform::LIBPREFIX + lib unless lib =~ /^#{Platform::LIBPREFIX}/
31 r = Platform::IS_LINUX ? "\\.so($|\\.[1234567890]+)" : "\\.#{Platform::LIBSUFFIX}$"
32 lib += ".#{Platform::LIBSUFFIX}" unless lib =~ /#{r}/
33 end
34
35 lib
36 end
37
38 class NotFoundError < LoadError
39 def initialize(function, *libraries)
40 super("Function '#{function}' not found in [#{libraries[0].nil? ? 'current process' : libraries.join(", ")}]")
41 end
42 end
43
44 module Library
45 CURRENT_PROCESS = FFI::CURRENT_PROCESS
46 LIBC = FFI::Platform::LIBC
47
48 def self.extended(mod)
49 raise RuntimeError.new("must only be extended by module") unless mod.kind_of?(Module)
50 end
51
52 def ffi_lib(*names)
53 lib_flags = defined?(@ffi_lib_flags) ? @ffi_lib_flags : FFI::DynamicLibrary::RTLD_LAZY | FFI::DynamicLibrary::RTLD_LOCAL
54 ffi_libs = names.map do |name|
55
56 if name == FFI::CURRENT_PROCESS
57 FFI::DynamicLibrary.open(nil, FFI::DynamicLibrary::RTLD_LAZY | FFI::DynamicLibrary::RTLD_LOCAL)
58
59 else
60 libnames = (name.is_a?(::Array) ? name : [ name ]).map { |n| [ n, FFI.map_library_name(n) ].uniq }.flatten.compact
61 lib = nil
62 errors = {}
63
64 libnames.each do |libname|
65 begin
66 lib = FFI::DynamicLibrary.open(libname, lib_flags)
67 break if lib
68
69 rescue Exception => ex
70 errors[libname] = ex
71 end
72 end
73
74 if lib.nil?
75 raise LoadError.new(errors.values.join('. '))
76 end
77
78 # return the found lib
79 lib
80 end
81 end
82
83 @ffi_libs = ffi_libs
84 end
85
86
87 def ffi_convention(convention)
88 @ffi_convention = convention
89 end
90
91
92 def ffi_libraries
93 raise LoadError.new("no library specified") if !defined?(@ffi_libs) || @ffi_libs.empty?
94 @ffi_libs
95 end
Code:
# gem list
*** LOCAL GEMS ***
arrayfields (4.7.4)
fattr (2.2.0)
ffi (1.0.0, 0.6.3)
little-plugger (1.1.2)
logging (1.4.3)
loquacious (1.6.4)
main (4.4.0, 4.2.0)
rake (0.8.7)
rufus-tokyo (1.0.7)
tyrantmanager (1.6.0)
Can anyone help me fix this problem? |
