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compat_13_mod.c revision 1.2 
      1  1.2  pgoyette /*	$NetBSD: compat_13_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $	*/
      2  1.2  pgoyette 
      3  1.2  pgoyette /*-
      4  1.2  pgoyette  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  1.2  pgoyette  * All rights reserved.
      6  1.2  pgoyette  *
      7  1.2  pgoyette  * This code is derived from software developed for The NetBSD Foundation
      8  1.2  pgoyette  * by Paul Goyette
      9  1.2  pgoyette  *
     10  1.2  pgoyette  * Redistribution and use in source and binary forms, with or without
     11  1.2  pgoyette  * modification, are permitted provided that the following conditions
     12  1.2  pgoyette  * are met:
     13  1.2  pgoyette  * 1. Redistributions of source code must retain the above copyright
     14  1.2  pgoyette  *    notice, this list of conditions and the following disclaimer.
     15  1.2  pgoyette  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2  pgoyette  *    notice, this list of conditions and the following disclaimer in the
     17  1.2  pgoyette  *    documentation and/or other materials provided with the distribution.
     18  1.2  pgoyette  *
     19  1.2  pgoyette  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2  pgoyette  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2  pgoyette  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2  pgoyette  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2  pgoyette  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2  pgoyette  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2  pgoyette  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2  pgoyette  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2  pgoyette  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2  pgoyette  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2  pgoyette  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2  pgoyette  */
     31  1.2  pgoyette 
     32  1.2  pgoyette /*
     33  1.2  pgoyette  * Linkage for the compat module: spaghetti.
     34  1.2  pgoyette  */
     35  1.2  pgoyette 
     36  1.2  pgoyette #include <sys/cdefs.h>
     37  1.2  pgoyette __KERNEL_RCSID(0, "$NetBSD: compat_13_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $");
     38  1.2  pgoyette 
     39  1.2  pgoyette #if defined(_KERNEL_OPT)
     40  1.2  pgoyette #include "opt_compat_netbsd.h"
     41  1.2  pgoyette #endif
     42  1.2  pgoyette 
     43  1.2  pgoyette #include <sys/systm.h>
     44  1.2  pgoyette #include <sys/module.h>
     45  1.2  pgoyette #include <sys/sysctl.h>
     46  1.2  pgoyette #include <sys/syscall.h>
     47  1.2  pgoyette #include <sys/syscallvar.h>
     48  1.2  pgoyette #include <sys/syscallargs.h>
     49  1.2  pgoyette 
     50  1.2  pgoyette #include <compat/common/compat_util.h>
     51  1.2  pgoyette #include <compat/common/compat_mod.h>
     52  1.2  pgoyette 
     53  1.2  pgoyette int
     54  1.2  pgoyette compat_13_init(void)
     55  1.2  pgoyette {
     56  1.2  pgoyette 	int error;
     57  1.2  pgoyette 
     58  1.2  pgoyette 	error = kern_sig_13_init();
     59  1.2  pgoyette 	if (error != 0)
     60  1.2  pgoyette 		return error;
     61  1.2  pgoyette 
     62  1.2  pgoyette 	uvm_13_init();
     63  1.2  pgoyette 	return 0;
     64  1.2  pgoyette }
     65  1.2  pgoyette 
     66  1.2  pgoyette int
     67  1.2  pgoyette compat_13_fini(void)
     68  1.2  pgoyette {
     69  1.2  pgoyette 	int error;
     70  1.2  pgoyette 
     71  1.2  pgoyette 	uvm_13_fini();
     72  1.2  pgoyette 	error = kern_sig_13_fini();
     73  1.2  pgoyette 	if (error != 0) {
     74  1.2  pgoyette 		uvm_13_init();
     75  1.2  pgoyette 		return error;
     76  1.2  pgoyette 	}
     77  1.2  pgoyette 
     78  1.2  pgoyette 	return 0;
     79  1.2  pgoyette }
     80  1.2  pgoyette 
     81  1.2  pgoyette MODULE(MODULE_CLASS_EXEC, compat_13, "compat_14");
     82  1.2  pgoyette 
     83  1.2  pgoyette static int
     84  1.2  pgoyette compat_13_modcmd(modcmd_t cmd, void *arg)
     85  1.2  pgoyette {
     86  1.2  pgoyette 
     87  1.2  pgoyette 	switch (cmd) {
     88  1.2  pgoyette 	case MODULE_CMD_INIT:
     89  1.2  pgoyette 		return compat_13_init();
     90  1.2  pgoyette 	case MODULE_CMD_FINI:
     91  1.2  pgoyette 		return compat_13_fini();
     92  1.2  pgoyette 	default:
     93  1.2  pgoyette 		return ENOTTY;
     94  1.2  pgoyette 	}
     95  1.2  pgoyette }
     96