+NSObject *CYMakeBlock(void (*invoke)(), sig::Signature &signature) {
+ BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(malloc(sizeof(BlockLiteral))));
+
+ struct Descriptor {
+ struct {
+ BlockDescriptor1 one_;
+ BlockDescriptor2 two_;
+ BlockDescriptor3 three_;
+ } d_;
+
+ CYPool pool_;
+ };
+
+ Descriptor *descriptor(new Descriptor);
+ memset(&descriptor->d_, 0, sizeof(descriptor->d_));
+
+ literal->isa = objc_getClass("__NSGlobalBlock__");
+ literal->flags = BLOCK_HAS_SIGNATURE | BLOCK_HAS_COPY_DISPOSE | BLOCK_IS_GLOBAL;
+ literal->reserved = 0;
+ literal->invoke = reinterpret_cast<void (*)(void *, ...)>(invoke);
+ literal->descriptor = descriptor;
+
+ descriptor->d_.one_.size = sizeof(descriptor->d_);
+ descriptor->d_.three_.signature = sig::Unparse(descriptor->pool_, &signature);
+
+ return reinterpret_cast<NSObject *>(literal);
+}
+