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author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-10 21:15:37 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-10 21:15:37 +0000 |
commit | a0f7f2921518443a60c807d272f0345aed61dc21 (patch) | |
tree | a1538a3ce800a4673b88087e2d330279a53533ec /ext | |
parent | c607493e48c9f3dbf957a4bb5f0be2e8aa288442 (diff) | |
download | ruby-a0f7f2921518443a60c807d272f0345aed61dc21.tar.gz |
* 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]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r-- | ext/fiddle/closure.c | 16 | ||||
-rw-r--r-- | ext/fiddle/extconf.rb | 4 |
2 files changed, 15 insertions, 5 deletions
diff --git a/ext/fiddle/closure.c b/ext/fiddle/closure.c index d064f11991..1aab631aad 100644 --- a/ext/fiddle/closure.c +++ b/ext/fiddle/closure.c @@ -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 diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb index 2cb9ae0ace..9c7991ec44 100644 --- a/ext/fiddle/extconf.rb +++ b/ext/fiddle/extconf.rb @@ -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')) |