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Instead of initializing & interning the strings passed to the profile

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and trace functions lazily, which incurs extra argument pushing and checks
in the C overhead for profiling/tracing, create the strings semi-lazily
when the Python code first registers a profile or trace function.  This
simplifies the trampoline into the profile/trace functions.
This commit is contained in:
Fred Drake 2001-06-16 21:02:31 +00:00
parent 70128a1ba6
commit d083839fb4
2 changed files with 48 additions and 26 deletions
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6
Python/sysmodule.c
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@ -196,10 +196,14 @@ static char setdefaultencoding_doc[] =
\n\
Set the current default string encoding used by the Unicode implementation.";
extern int _PyTrace_Init(void);
static PyObject *
sys_settrace(PyObject *self, PyObject *args)
{
PyThreadState *tstate = PyThreadState_Get();
if (_PyTrace_Init() == -1)
return NULL;
if (args == Py_None)
args = NULL;
else
@ -220,6 +224,8 @@ static PyObject *
sys_setprofile(PyObject *self, PyObject *args)
{
PyThreadState *tstate = PyThreadState_Get();
if (_PyTrace_Init() == -1)
return NULL;
if (args == Py_None)
args = NULL;
else