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........
  r75570 | antoine.pitrou | 2009-10-20 23:29:37 +0200 (mar., 20 oct. 2009) | 6 lines

  Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
  fixes the problem of some exceptions being thrown at shutdown when the
  interpreter is killed. Patch by Adam Olsen.
........
This commit is contained in:
Antoine Pitrou 2009-10-20 21:52:47 +00:00
parent 06bb6746ed
commit 011bd62c8c
5 changed files with 59 additions and 29 deletions
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32
Python/pythonrun.c
View file

@ -18,6 +18,7 @@
#include "eval.h"
#include "marshal.h"
#include "osdefs.h"
#include "abstract.h"
#ifdef HAVE_SIGNAL_H
#include <signal.h>
@ -66,6 +67,7 @@ static PyObject *run_pyc_file(FILE *, const char *, PyObject *, PyObject *,
static void err_input(perrdetail *);
static void initsigs(void);
static void call_py_exitfuncs(void);
static void wait_for_thread_shutdown(void);
static void call_ll_exitfuncs(void);
extern void _PyUnicode_Init(void);
extern void _PyUnicode_Fini(void);
@ -363,6 +365,8 @@ Py_Finalize(void)
if (!initialized)
return;
wait_for_thread_shutdown();
/* The interpreter is still entirely intact at this point, and the
* exit funcs may be relying on that. In particular, if some thread
* or exit func is still waiting to do an import, the import machinery
@ -2059,6 +2063,34 @@ call_py_exitfuncs(void)
PyErr_Clear();
}
/* Wait until threading._shutdown completes, provided
the threading module was imported in the first place.
The shutdown routine will wait until all non-daemon
"threading" threads have completed. */
static void
wait_for_thread_shutdown(void)
{
#ifdef WITH_THREAD
PyObject *result;
PyThreadState *tstate = PyThreadState_GET();
PyObject *threading = PyMapping_GetItemString(tstate->interp->modules,
"threading");
if (threading == NULL) {
/* threading not imported */
PyErr_Clear();
return;
}
result = PyObject_CallMethod(threading, "_shutdown", "");
if (result == NULL) {
PyErr_WriteUnraisable(threading);
}
else {
Py_DECREF(result);
}
Py_DECREF(threading);
#endif
}
#define NEXITFUNCS 32
static void (*exitfuncs[NEXITFUNCS])(void);
static int nexitfuncs = 0;