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#include <iostream>
#include <fstream>
#include <cstdlib>
#include <string>
#include <cinttypes>
#include "wasm.hh"
const int iterations = 100000;
int live_count = 0;
void finalize(void* data) {
intptr_t i = reinterpret_cast<intptr_t>(data);
if (i % (iterations / 10) == 0) {
std::cout << "Finalizing #" << i << "..." << std::endl;
}
--live_count;
}
void run_in_store(wasm::Store* store) {
// Load binary.
std::cout << "Loading binary..." << std::endl;
std::ifstream file("finalize.wasm");
file.seekg(0, std::ios_base::end);
auto file_size = file.tellg();
file.seekg(0);
auto binary = wasm::vec<byte_t>::make_uninitialized(file_size);
file.read(binary.get(), file_size);
file.close();
if (file.fail()) {
std::cout << "> Error loading module!" << std::endl;
exit(1);
}
// Compile.
std::cout << "Compiling module..." << std::endl;
auto module = wasm::Module::make(store, binary);
if (!module) {
std::cout << "> Error compiling module!" << std::endl;
exit(1);
}
// Instantiate.
std::cout << "Instantiating modules..." << std::endl;
for (int i = 0; i <= iterations; ++i) {
if (i % (iterations / 10) == 0) std::cout << i << std::endl;
auto imports = wasm::vec<wasm::Extern*>::make();
auto instance = wasm::Instance::make(store, module.get(), imports);
if (!instance) {
std::cout << "> Error instantiating module " << i << "!" << std::endl;
exit(1);
}
instance->set_host_info(reinterpret_cast<void*>(i), &finalize);
++live_count;
}
// Shut down.
std::cout << "Shutting down..." << std::endl;
}
void run() {
// Initialize.
std::cout << "Initializing..." << std::endl;
auto engine = wasm::Engine::make();
std::cout << "Live count " << live_count << std::endl;
std::cout << "Creating store 1..." << std::endl;
auto store1 = wasm::Store::make(engine.get());
std::cout << "Running in store 1..." << std::endl;
run_in_store(store1.get());
std::cout << "Live count " << live_count << std::endl;
{
std::cout << "Creating store 2..." << std::endl;
auto store2 = wasm::Store::make(engine.get());
std::cout << "Running in store 2..." << std::endl;
run_in_store(store2.get());
std::cout << "Live count " << live_count << std::endl;
std::cout << "Deleting store 2..." << std::endl;
std::cout << "Live count " << live_count << std::endl;
}
std::cout << "Running in store 1..." << std::endl;
run_in_store(store1.get());
std::cout << "Live count " << live_count << std::endl;
std::cout << "Deleting store 1..." << std::endl;
}
int main(int argc, const char* argv[]) {
run();
std::cout << "Live count " << live_count << std::endl;
assert(live_count == 0);
std::cout << "Done." << std::endl;
return 0;
}
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