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diag(conpty): 句柄计数拆分为启动/关闭两个阶段 (#21) #245

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Merged
JavaZeroo merged 1 commit into from
Oct 30, 2026
Merged

diag(conpty): 句柄计数拆分为启动/关闭两个阶段 (#21) #245

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7 changes: 7 additions & 0 deletions experiments/conpty/probe.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -134,12 +134,16 @@ static void require(bool condition, const char* detail) {
}
static bool probe(const std::string& mode, unsigned repeat, bool startup = false) {
const DWORD before_handles = handles(), before_threads = threads();
// Split the lifecycle so a per-session leak can be attributed to start or
// close instead of only to the round as a whole.
DWORD after_start_handles = before_handles, after_close_handles = before_handles;
Session session;
bool ready = false, echo = false, resized = false, exited = false, tree = false;
unsigned validated_records = 0; std::string error;
const auto begin = std::chrono::steady_clock::now();
try {
session.start(executable_path());
after_start_handles = handles();
ready = session.wait_text("TFREADY"); require(ready, "ready marker timeout");
session.send("SIZE\r"); require(session.wait_text("TFSIZE:80x24:END"), "initial dimensions mismatch");
// UTF-8 travels into the real console input and back through ConPTY.
Expand Down Expand Up @@ -177,6 +181,7 @@ static bool probe(const std::string& mode, unsigned repeat, bool startup = false
} catch (const std::exception& exception) { error = exception.what(); }
session.close();
const DWORD immediate_handles = handles(), immediate_threads = threads();
after_close_handles = immediate_handles;
DWORD after_handles = immediate_handles, after_threads = immediate_threads;
const auto settle_begin = std::chrono::steady_clock::now();
while ((after_handles != before_handles || after_threads != before_threads) &&
Expand All @@ -201,6 +206,8 @@ static bool probe(const std::string& mode, unsigned repeat, bool startup = false
std::cout << "{\"mode\":" << quoted(mode) << ",\"repeat\":" << repeat
<< ",\"startup\":" << (startup ? "true" : "false")
<< ",\"steady_resources\":" << steady_resources
<< ",\"handles_after_start\":" << after_start_handles
<< ",\"handles_after_close\":" << after_close_handles
<< ",\"valid\":" << (valid ? "true" : "false") << ",\"error\":" << quoted(error)
<< ",\"ready\":" << ready << ",\"echo\":" << echo << ",\"resized\":" << resized
<< ",\"descendant_created\":" << tree << ",\"child_pid\":" << session.pid
Expand Down
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