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* ext/fiddle/extconf.rb: define RUBY_LIBFFI_MODVERSION macro.

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* ext/fiddle/closure.c (USE_FFI_CLOSURE_ALLOC): define 0 or 1
  with platform and libffi's version. [Bug #3371]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2013-04-10 21:15:37 +00:00
parent c607493e48
commit a0f7f29215
3 changed files with 22 additions and 5 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
Thu Apr 11 06:09:57 2013 NARUSE, Yui <naruse@ruby-lang.org>
* ext/fiddle/extconf.rb: define RUBY_LIBFFI_MODVERSION macro.
* ext/fiddle/closure.c (USE_FFI_CLOSURE_ALLOC): define 0 or 1
with platform and libffi's version. [Bug #3371]
Thu Apr 11 05:30:43 2013 NARUSE, Yui <naruse@ruby-lang.org>
* lib/mkmf.rb (pkg_config): Add optional argument "option".

16
ext/fiddle/closure.c
View File

@ -10,15 +10,21 @@ typedef struct {
ffi_type **argv;
} fiddle_closure;
#if defined(MACOSX) || defined(__linux__) || defined(__OpenBSD__)
#define DONT_USE_FFI_CLOSURE_ALLOC
#if defined(USE_FFI_CLOSURE_ALLOC)
#elif defined(__OpenBSD__)
# define USE_FFI_CLOSURE_ALLOC 0
#elif RUBY_LIBFFI_MODVERSION < 3000005 && \
(defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_AMD64))
# define USE_FFI_CLOSURE_ALLOC 0
#else
# define USE_FFI_CLOSURE_ALLOC 1
#endif
static void
dealloc(void * ptr)
{
fiddle_closure * cls = (fiddle_closure *)ptr;
#ifndef DONT_USE_FFI_CLOSURE_ALLOC
#if USE_FFI_CLOSURE_ALLOC
ffi_closure_free(cls->pcl);
#else
munmap(cls->pcl, sizeof(cls->pcl));
@ -170,7 +176,7 @@ allocate(VALUE klass)
VALUE i = TypedData_Make_Struct(klass, fiddle_closure,
&closure_data_type, closure);
#ifndef DONT_USE_FFI_CLOSURE_ALLOC
#if USE_FFI_CLOSURE_ALLOC
closure->pcl = ffi_closure_alloc(sizeof(ffi_closure), &closure->code);
#else
closure->pcl = mmap(NULL, sizeof(ffi_closure), PROT_READ | PROT_WRITE,
@ -222,7 +228,7 @@ initialize(int rbargc, VALUE argv[], VALUE self)
if (FFI_OK != result)
rb_raise(rb_eRuntimeError, "error prepping CIF %d", result);
#ifndef DONT_USE_FFI_CLOSURE_ALLOC
#if USE_FFI_CLOSURE_ALLOC
result = ffi_prep_closure_loc(pcl, cif, callback,
(void *)self, cl->code);
#else

4
ext/fiddle/extconf.rb
View File

@ -5,6 +5,10 @@ require 'mkmf'
dir_config 'libffi'
pkg_config("libffi")
if ver = pkg_config("libffi", "modversion")
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % ver.split('.') }})
end
unless have_header('ffi.h')
if have_header('ffi/ffi.h')
$defs.push(format('-DUSE_HEADER_HACKS'))