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Patch #1680961: remove sys.exitfunc and replace it with a private C API. Also, reimplement atexit in C so it can take advantage of this private API.

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This commit is contained in:
Collin Winter 2007-03-21 02:57:17 +00:00
parent 450ee81b22
commit 670e692134
13 changed files with 360 additions and 204 deletions
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42
Python/pythonrun.c
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@ -56,7 +56,7 @@ static PyObject *run_pyc_file(FILE *, const char *, PyObject *, PyObject *,
PyCompilerFlags *);
static void err_input(perrdetail *);
static void initsigs(void);
static void call_sys_exitfunc(void);
static void call_py_exitfuncs(void);
static void call_ll_exitfuncs(void);
extern void _PyUnicode_Init(void);
extern void _PyUnicode_Fini(void);
@ -355,7 +355,7 @@ Py_Finalize(void)
* threads created thru it, so this also protects pending imports in
* the threads created via Threading.
*/
call_sys_exitfunc();
call_py_exitfuncs();
initialized = 0;
/* Get current thread state and interpreter pointer */
@ -1557,6 +1557,23 @@ Py_FatalError(const char *msg)
#include "pythread.h"
#endif
static void (*pyexitfunc)(void) = NULL;
/* For the atexit module. */
void _Py_PyAtExit(void (*func)(void))
{
pyexitfunc = func;
}
static void
call_py_exitfuncs(void)
{
if (pyexitfunc == NULL)
return;
(*pyexitfunc)();
PyErr_Clear();
}
#define NEXITFUNCS 32
static void (*exitfuncs[NEXITFUNCS])(void);
static int nexitfuncs = 0;
@ -1569,27 +1586,6 @@ int Py_AtExit(void (*func)(void))
return 0;
}
static void
call_sys_exitfunc(void)
{
PyObject *exitfunc = PySys_GetObject("exitfunc");
if (exitfunc) {
PyObject *res;
Py_INCREF(exitfunc);
PySys_SetObject("exitfunc", (PyObject *)NULL);
res = PyEval_CallObject(exitfunc, (PyObject *)NULL);
if (res == NULL) {
if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
PySys_WriteStderr("Error in sys.exitfunc:\n");
}
PyErr_Print();
}
Py_DECREF(exitfunc);
}
}
static void
call_ll_exitfuncs(void)
{