python/src/util.c

   1 /*#############################################################################
   2 #                                                                             #
   3 # Pakfire - The IPFire package management system                              #
   4 # Copyright (C) 2011 Pakfire development team                                 #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 #############################################################################*/
  20
  21 #ifndef _GNU_SOURCE
  22 #define _GNU_SOURCE
  23 #endif
  24
  25 #include <Python.h>
  26
  27 #include <errno.h>
  28 #include <sched.h>
  29 #include <sys/personality.h>
  30 #include <unistd.h>
  31
  32 #include "config.h"
  33 #include "util.h"
  34
  35 PyObject *_personality(PyObject *self, PyObject *args) {
  36         unsigned long persona;
  37         int ret = 0;
  38
  39         if (!PyArg_ParseTuple(args, "l", &persona)) {
  40                 /* XXX raise exception */
  41                 return NULL;
  42         }
  43
  44         /* Change personality here. */
  45         ret = personality(persona);
  46
  47         if (ret < 0) {
  48                 PyErr_SetString(PyExc_RuntimeError, "Could not set personality.");
  49                 return NULL;
  50         }
  51
  52         return Py_BuildValue("i", ret);
  53 }
  54
  55 PyObject *_sync(PyObject *self, PyObject *args) {
  56         /* Just sync everything to disks. */
  57         sync();
  58
  59         Py_RETURN_NONE;
  60 }
  61
  62 PyObject *_unshare(PyObject *self, PyObject *args) {
  63         int flags = 0;
  64
  65         if (!PyArg_ParseTuple(args, "i", &flags)) {
  66                 return NULL;
  67         }
  68
  69         int ret = unshare(flags);
  70         if (ret < 0) {
  71                 return PyErr_SetFromErrno(PyExc_RuntimeError);
  72         }
  73
  74         return Py_BuildValue("i", ret);
  75 }
  76
  77 PyObject *version_compare(PyObject *self, PyObject *args) {
  78         Pool *pool;
  79         const char *evr1, *evr2;
  80
  81         if (!PyArg_ParseTuple(args, "Oss", &pool, &evr1, &evr2)) {
  82                 /* XXX raise exception */
  83                 return NULL;
  84         }
  85
  86         int ret = pool_evrcmp_str(pool, evr1, evr2, EVRCMP_COMPARE);
  87
  88         return Py_BuildValue("i", ret);
  89 }