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/* ========================================
Copyright (C) 2025 Amlal El Mahrouss, Licensed under the Apache 2.0 license
======================================== */
#pragma once
#include <CompilerKit/Detail/Config.h>
#include <dlfcn.h>
#include <mutex>
namespace CompilerKit {
class DLLLoader final {
public:
typedef Int32 (*EntryT)(Int32 argc, Char const* argv[]);
using DLL = VoidPtr;
using Mutex = std::mutex;
EntryT fEntrypoint{nullptr};
private:
DLL mDLL{nullptr};
Mutex mMutex;
public:
explicit operator bool() { return this->mDLL && this->fEntrypoint; }
DLLLoader& operator()(const Char* path, const Char* fEntrypoint) {
if (!path || !fEntrypoint) return *this;
std::lock_guard<Mutex> lock(this->mMutex);
if (this->mDLL) {
this->Destroy();
}
this->mDLL = ::dlopen(path, RTLD_LAZY);
if (!this->mDLL) {
return *this;
}
this->fEntrypoint = reinterpret_cast<EntryT>(::dlsym(this->mDLL, fEntrypoint));
if (!this->fEntrypoint) {
this->Destroy();
return *this;
}
return *this;
}
NECTI_COPY_DELETE(DLLLoader)
explicit DLLLoader() = default;
~DLLLoader() { this->Destroy(); }
private:
void Destroy() noexcept {
if (this->mDLL) {
::dlclose(this->mDLL);
this->mDLL = nullptr;
}
this->fEntrypoint = nullptr;
}
};
} // namespace CompilerKit
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