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gh-131591: Reset RemoteDebuggerSuupport state after fork (#132793)

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Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
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Nadeshiko Manju 2025-04-25 08:40:01 +08:00 • committed by GitHub
parent e54e828852
commit 3a39e33ee4
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Misc/NEWS.d/next/Core_and_Builtins/2025-04-22-19-00-03.gh-issue-131591.CdEqBr.rst Normal file
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@ -0,0 +1 @@
Reset any :pep:`768` remote debugging pending call in children after :func:`os.fork` calls.

10
Modules/posixmodule.c
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@ -677,6 +677,14 @@ PyOS_AfterFork_Parent(void)
run_at_forkers(interp->after_forkers_parent, 0);
}
static void
reset_remotedebug_data(PyThreadState *tstate)
{
tstate->remote_debugger_support.debugger_pending_call = 0;
memset(tstate->remote_debugger_support.debugger_script_path, 0, MAX_SCRIPT_PATH_SIZE);
}
void
PyOS_AfterFork_Child(void)
{
@ -710,6 +718,8 @@ PyOS_AfterFork_Child(void)
goto fatal_error;
}
reset_remotedebug_data(tstate);
// Remove the dead thread states. We "start the world" once we are the only
// thread state left to undo the stop the world call in `PyOS_BeforeFork`.
// That needs to happen before `_PyThreadState_DeleteList`, because that