pyutil.c revision 7ecec4705c0cacb1446af0eb7a4aee66c00d058f
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <Python.h>
#include "pyutil.h"
void cleanup_Py_DECREFp(PyObject **p) {
if (!*p)
return;
Py_DECREF(*p);
}
PyObject* absolute_timeout(uint64_t t) {
if (t == (uint64_t) -1)
return PyLong_FromLong(-1);
else {
struct timespec ts;
uint64_t n;
int msec;
clock_gettime(CLOCK_MONOTONIC, &ts);
n = (uint64_t) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
msec = t > n ? (int) ((t - n + 999) / 1000) : 0;
return PyLong_FromLong(msec);
}
}
int set_error(int r, const char* path, const char* invalid_message) {
if (r >= 0)
return r;
if (r == -EINVAL && invalid_message)
PyErr_SetString(PyExc_ValueError, invalid_message);
else if (r == -ENOMEM)
PyErr_SetString(PyExc_MemoryError, "Not enough memory");
else {
errno = -r;
PyErr_SetFromErrnoWithFilename(PyExc_OSError, path);
}
return -1;
}