evgeny
38c9f229bc
- u_async.c: process immediate_queue BEFORE epoll_wait in uasync_poll - stcp_link.c: defensive NULL etcp_conn/etcp_link in stcp_link_close - utun_instance.c: move stcp_server_list_destroy_all to Phase J (before ETCP), add deferred drain in both Phase J and L - stcp.h/c: STCP_HS_ENC_CLIENT 6→38, STCP_HS_ENC_SERVER 7→39, exchange ed25519_pubkey in both handshake directions - etcp_connections.c: copy peer_ed25519 from STCP to ETCP_CONN in etcp_link_enter_ready_tcp; guard link->etcp in tcp_link_close_cb - chat_sync.c: fix lk->conn NULL dereference for TCP links - test_stcp.c: update stcp_server_create/stcp_client_connect callsites - tools/chat_tcp_test: change transport udp→tcp
56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/*
|
|
* Copyright 2026 Axel Waggershauser
|
|
*/
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
// idea from <experimental/scope> (library fundamentals TS v3)
|
|
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
namespace std {
|
|
|
|
template <class F>
|
|
class scope_exit
|
|
{
|
|
public:
|
|
explicit scope_exit(F&& f) noexcept(std::is_nothrow_move_constructible_v<F>) : func_(std::forward<F>(f)), active_(true) {}
|
|
|
|
scope_exit(scope_exit&& other) noexcept(std::is_nothrow_move_constructible_v<F>)
|
|
: func_(std::move(other.func_)), active_(std::exchange(other.active_, false))
|
|
{}
|
|
|
|
scope_exit(const scope_exit&) = delete;
|
|
scope_exit& operator=(const scope_exit&) = delete;
|
|
scope_exit& operator=(scope_exit&&) = delete;
|
|
|
|
~scope_exit() noexcept(noexcept(std::declval<F&>()()))
|
|
{
|
|
if (active_)
|
|
func_();
|
|
}
|
|
|
|
void release() noexcept { active_ = false; }
|
|
|
|
private:
|
|
F func_;
|
|
bool active_;
|
|
};
|
|
|
|
template <class F>
|
|
scope_exit(F) -> scope_exit<F>;
|
|
|
|
} // namespace std
|
|
|
|
/**
|
|
* The SCOPE_EXIT macro is eliminating the need to give the object a name.
|
|
* Example usage:
|
|
* SCOPE_EXIT([]{ printf("exiting scope"); });
|
|
*/
|
|
|
|
#define SCOPE_EXIT_CAT2(x, y) x##y
|
|
#define SCOPE_EXIT_CAT(x, y) SCOPE_EXIT_CAT2(x, y)
|
|
#define SCOPE_EXIT const auto SCOPE_EXIT_CAT(scopeExit_, __COUNTER__) = std::scope_exit
|