comparison mercurial/osutil.c @ 18026:ddc0323db78b

osutil: write a C implementation of statfiles for unix

This makes a big difference to performance.

In a clean working directory containing 170,000 files, performance of
"hg --time diff" improves from 2.38 seconds to 1.69.

18021:9b05b31b413c

#endif
error_value:
	return ret;
}

#endif /* ndef _WIN32 */

static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs)
{
	PyObject *statobj = NULL; /* initialize - optional arg */

	 "list a directory\n"},
#ifdef _WIN32
	{"posixfile", (PyCFunction)posixfile, METH_VARARGS | METH_KEYWORDS,
	 "Open a file with POSIX-like semantics.\n"
"On error, this function may raise either a WindowsError or an IOError."},
#endif
#ifdef __APPLE__
	{
		"isgui", (PyCFunction)isgui, METH_NOARGS,
		"Is a CoreGraphics session available?"

18026:ddc0323db78b

#endif
error_value:
	return ret;
}

static PyObject *statfiles(PyObject *self, PyObject *args)
{
        PyObject *names, *stats;
        Py_ssize_t i, count;

        if (!PyArg_ParseTuple(args, "O:statfiles", &names))
                return NULL;

        count = PySequence_Length(names);
        if (count == -1) {
                PyErr_SetString(PyExc_TypeError, "not a sequence");
                return NULL;
        }

        stats = PyList_New(count);
        if (stats == NULL)
                return NULL;

        for (i = 0; i < count; i++) {
                PyObject *stat;
                struct stat st;
                int ret, kind;
                char *path;

                path = PyString_AsString(PySequence_GetItem(names, i));
                if (path == NULL) {
                        PyErr_SetString(PyExc_TypeError, "not a string");
                        goto bail;
                }
                ret = lstat(path, &st);
                kind = st.st_mode & S_IFMT;
                if (ret != -1 && (kind == S_IFREG || kind == S_IFLNK)) {
                        stat = makestat(&st);
                        if (stat == NULL)
                                goto bail;
                        PyList_SET_ITEM(stats, i, stat);
                } else {
                        Py_INCREF(Py_None);
                        PyList_SET_ITEM(stats, i, Py_None);
                }
        }

        return stats;

bail:
        Py_DECREF(stats);
        return NULL;
}

#endif /* ndef _WIN32 */

static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs)
{
	PyObject *statobj = NULL; /* initialize - optional arg */

	 "list a directory\n"},
#ifdef _WIN32
	{"posixfile", (PyCFunction)posixfile, METH_VARARGS | METH_KEYWORDS,
	 "Open a file with POSIX-like semantics.\n"
"On error, this function may raise either a WindowsError or an IOError."},
#else
	{"statfiles", (PyCFunction)statfiles, METH_VARARGS | METH_KEYWORDS,
	 "stat a series of files or symlinks\n"
"Returns None for non-existent entries and entries of other types.\n"},
#endif
#ifdef __APPLE__
	{
		"isgui", (PyCFunction)isgui, METH_NOARGS,
		"Is a CoreGraphics session available?"