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kernelversion.c
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kernelversion.c
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/*
* kernelversion.c -- make sure we get a Linux module kernel version variable
* Robert Morris, Eddie Kohler
*
* Copyright (c) 1999 Massachusetts Institute of Technology
* Copyright (c) 2005 Regents of the University of California
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, subject to the conditions
* listed in the Click LICENSE file. These conditions include: you must
* preserve this copyright notice, and you cannot mention the copyright
* holders in advertising related to the Software without their permission.
* The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
* notice is a summary of the Click LICENSE file; the license in that file is
* legally binding.
*/
/*
* Use C, because g++ seems to ignore the version declaration, which
* ends up looking like
* const char __module_kernel_version[] __attribute__((section(".modinfo"))) =
* "kernel_version=" "2.2.6" ;
*/
#include <click/config.h>
#include <linux/version.h>
#include <linux/module.h>
#include "moduleparm.h"
#define CLICK_INT_MODULE_PARAM(param) module_param(param, int, 0)
static int accessible = 1;
CLICK_INT_MODULE_PARAM(accessible);
MODULE_PARM_DESC(accessible, "make /click world-readable [1]");
static int uid = 0;
static int gid = 0;
CLICK_INT_MODULE_PARAM(uid);
CLICK_INT_MODULE_PARAM(gid);
MODULE_PARM_DESC(uid, "UID owning /click [0]");
MODULE_PARM_DESC(gid, "GID owning /click [0]");
#if HAVE_MULTITHREAD
static int threads = 1;
CLICK_INT_MODULE_PARAM(threads);
MODULE_PARM_DESC(threads, "number of Click threads per router [1]");
#endif
#ifdef MODULE_LICENSE
MODULE_LICENSE("Dual BSD/GPL");
#endif
static int greedy = 0;
CLICK_INT_MODULE_PARAM(greedy);
MODULE_PARM_DESC(greedy, "Click takes a whole CPU [0]");
static int cpu = -1;
CLICK_INT_MODULE_PARAM(cpu);
MODULE_PARM_DESC(cpu, "Click thread preferred CPU [-1=any]");
int
click_parm(int which)
{
switch (which) {
case CLICKPARM_ACCESSIBLE:
return accessible;
case CLICKPARM_UID:
return uid;
case CLICKPARM_GID:
return gid;
case CLICKPARM_GREEDY:
return greedy;
case CLICKPARM_CPU:
return cpu;
#if HAVE_MULTITHREAD
case CLICKPARM_THREADS:
return threads;
#endif
default:
return 0;
}
}