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/*
* Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <Python.h>
#include <sys/resource.h>
#include <sys/socket.h>
/*
* From "man getpagesize" on Linux, https://linux.die.net/man/2/getpagesize:
*
* > In SUSv2 the getpagesize() call is labeled LEGACY, and in POSIX.1-2001
* > it has been dropped.
* > Portable applications should employ sysconf(_SC_PAGESIZE) instead
* > of getpagesize().
* > Most systems allow the synonym _SC_PAGE_SIZE for _SC_PAGESIZE.
* > Whether getpagesize() is present as a Linux system call depends on the
* > architecture.
*/
long
psutil_getpagesize(void) {
#ifdef _SC_PAGESIZE
// recommended POSIX
return sysconf(_SC_PAGESIZE);
#elif _SC_PAGE_SIZE
// alias
return sysconf(_SC_PAGE_SIZE);
#else
// legacy
return (long) getpagesize();
#endif
}
// Exposed so we can test it against Python's stdlib.
PyObject *
psutil_getpagesize_pywrapper(PyObject *self, PyObject *args) {
return Py_BuildValue("l", psutil_getpagesize());
}
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