62 lines
1.8 KiB
Diff
62 lines
1.8 KiB
Diff
diff --git a/ext/fiddle/closure.c b/ext/fiddle/closure.c
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index 1a80b2b..b997e23 100644
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--- a/ext/fiddle/closure.c
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+++ b/ext/fiddle/closure.c
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@@ -13,25 +13,11 @@ typedef struct {
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ffi_type **argv;
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} fiddle_closure;
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-#if defined(USE_FFI_CLOSURE_ALLOC)
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-#elif defined(__OpenBSD__) || defined(__APPLE__) || defined(__linux__)
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-# define USE_FFI_CLOSURE_ALLOC 0
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-#elif defined(RUBY_LIBFFI_MODVERSION) && RUBY_LIBFFI_MODVERSION < 3000005 && \
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- (defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_AMD64))
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-# define USE_FFI_CLOSURE_ALLOC 0
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-#else
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-# define USE_FFI_CLOSURE_ALLOC 1
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-#endif
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-
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static void
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dealloc(void * ptr)
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{
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fiddle_closure * cls = (fiddle_closure *)ptr;
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-#if USE_FFI_CLOSURE_ALLOC
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ffi_closure_free(cls->pcl);
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-#else
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- munmap(cls->pcl, sizeof(*cls->pcl));
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-#endif
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if (cls->argv) xfree(cls->argv);
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xfree(cls);
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}
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@@ -205,12 +191,7 @@ allocate(VALUE klass)
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VALUE i = TypedData_Make_Struct(klass, fiddle_closure,
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&closure_data_type, closure);
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-#if USE_FFI_CLOSURE_ALLOC
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closure->pcl = ffi_closure_alloc(sizeof(ffi_closure), &closure->code);
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-#else
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- closure->pcl = mmap(NULL, sizeof(ffi_closure), PROT_READ | PROT_WRITE,
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- MAP_ANON | MAP_PRIVATE, -1, 0);
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-#endif
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return i;
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}
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@@ -257,17 +238,8 @@ initialize(int rbargc, VALUE argv[], VALUE self)
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if (FFI_OK != result)
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rb_raise(rb_eRuntimeError, "error prepping CIF %d", result);
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-#if USE_FFI_CLOSURE_ALLOC
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result = ffi_prep_closure_loc(pcl, cif, callback,
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(void *)self, cl->code);
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-#else
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- result = ffi_prep_closure(pcl, cif, callback, (void *)self);
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- cl->code = (void *)pcl;
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- i = mprotect(pcl, sizeof(*pcl), PROT_READ | PROT_EXEC);
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- if (i) {
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- rb_sys_fail("mprotect");
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- }
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-#endif
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if (FFI_OK != result)
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rb_raise(rb_eRuntimeError, "error prepping closure %d", result);
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