1 /* $NetBSD: compat_09_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software developed for The NetBSD Foundation 8 * by Paul Goyette 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Linkage for the compat module: spaghetti. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: compat_09_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $"); 38 39 #if defined(_KERNEL_OPT) 40 #include "opt_compat_netbsd.h" 41 #endif 42 43 #include <sys/systm.h> 44 #include <sys/module.h> 45 #include <sys/sysctl.h> 46 #include <sys/syscall.h> 47 #include <sys/syscallvar.h> 48 #include <sys/syscallargs.h> 49 #include <sys/compat_stub.h> 50 51 #include <compat/common/compat_util.h> 52 #include <compat/common/compat_mod.h> 53 54 55 static int saved_pgid_mask; 56 57 int 58 compat_09_init(void) 59 { 60 61 kern_info_09_init(); 62 saved_pgid_mask = kern_sig_43_pgid_mask; 63 kern_sig_43_pgid_mask = 0xffff; 64 return 0; 65 } 66 67 int 68 compat_09_fini(void) 69 { 70 71 kern_info_09_fini(); 72 kern_sig_43_pgid_mask = saved_pgid_mask; 73 return 0; 74 } 75 76 MODULE(MODULE_CLASS_EXEC, compat_09, 77 "compat_10,compat_util,compat_sysctl_09_43"); 78 79 static int 80 compat_09_modcmd(modcmd_t cmd, void *arg) 81 { 82 83 switch (cmd) { 84 case MODULE_CMD_INIT: 85 return compat_09_init(); 86 case MODULE_CMD_FINI: 87 return compat_09_fini(); 88 default: 89 return ENOTTY; 90 } 91 } 92