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/*
* pyedd.c - real mode bios library for discovering EDD capabilities of
* BIOS drives
*
* Matt Wilson <msw@redhat.com>
*
* Copyright 2000 Red Hat, Inc.
*
* This software may be freely redistributed under the terms of the GNU
* library public license.
*
* You should have received a copy of the GNU Library Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "edd.h"
#include <sys/wait.h>
#include <sys/resource.h>
#include <unistd.h>
#include <Python.h>
static PyObject * edd_py_detect (PyObject * s, PyObject * args);
static PyMethodDef edd_module_methods[] = {
{ "detect", (PyCFunction) edd_py_detect, METH_VARARGS, NULL },
{ NULL }
};
static PyObject *
edd_py_detect (PyObject * s, PyObject * args) {
EDDCapability *ec;
int device = 0x80;
pid_t childpid;
int status;
if (!PyArg_ParseTuple(args, "|i", &device))
return NULL;
/* Run this probe as a child as it sometimes segv's in the vm stuff.
The child returns 1 if edd works, and 0 if it doesn't. */
if (!(childpid = fork())) {
/* lets not drop core file if we do segv */
struct rlimit lims;
lims.rlim_cur = 0;
setrlimit(RLIMIT_CORE, &lims);
if ((ec = edd_supported(device))) {
free (ec);
_exit(1);
}
_exit(0);
}
waitpid(childpid, &status, 0);
if (WIFEXITED(status) && WEXITSTATUS(status))
return Py_BuildValue ("i", 1);
return Py_BuildValue ("i", 0);
}
void initedd (void) {
Py_InitModule("edd", edd_module_methods);
}
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