netbsd32_sem.c revision 1.7.2.1
1 /* $NetBSD: netbsd32_sem.c,v 1.7.2.1 2008/05/10 23:48:58 wrstuden Exp $ */ 2 3 /* 4 * Copyright (c) 2006 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.7.2.1 2008/05/10 23:48:58 wrstuden Exp $"); 31 32 #ifdef _KERNEL_OPT 33 #include "opt_posix.h" 34 #endif 35 36 #include <sys/types.h> 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/dirent.h> 41 #include <sys/ksem.h> 42 #include <sys/mount.h> 43 #include <sys/proc.h> 44 #include <sys/sa.h> 45 #include <sys/syscallargs.h> 46 47 #include <compat/netbsd32/netbsd32.h> 48 #include <compat/netbsd32/netbsd32_syscallargs.h> 49 #include <compat/netbsd32/netbsd32_conv.h> 50 51 static int 52 netbsd32_ksem_copyout(const void *src, void *dst, size_t size) 53 { 54 const semid_t *idp = src; 55 netbsd32_semid_t id32, *outidp = dst; 56 57 KASSERT(size == sizeof(semid_t)); 58 59 /* Returning a kernel pointer to userspace sucks badly :-( */ 60 id32 = (netbsd32_semid_t)*idp; 61 return copyout(&id32, outidp, sizeof(id32)); 62 } 63 64 int 65 netbsd32__ksem_init(struct lwp *l, const struct netbsd32__ksem_init_args *uap, register_t *retval) 66 { 67 /* { 68 syscallarg(unsigned int) value; 69 syscallarg(netbsd32_semidp_t) idp; 70 } */ 71 72 return do_ksem_init(l, SCARG(uap, value), 73 SCARG_P32(uap, idp), netbsd32_ksem_copyout); 74 } 75 76 int 77 netbsd32__ksem_open(struct lwp *l, const struct netbsd32__ksem_open_args *uap, register_t *retval) 78 { 79 /* { 80 syscallarg(const netbsd32_charp) name; 81 syscallarg(int) oflag; 82 syscallarg(mode_t) mode; 83 syscallarg(unsigned int) value; 84 syscallarg(netbsd32_semidp_t) idp; 85 } */ 86 87 return do_ksem_open(l, SCARG_P32(uap, name), 88 SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value), 89 SCARG_P32(uap, idp), netbsd32_ksem_copyout); 90 } 91 92 int 93 netbsd32__ksem_unlink(struct lwp *l, const struct netbsd32__ksem_unlink_args *uap, register_t *retval) 94 { 95 /* { 96 syscallarg(const netbsd32_charp) name; 97 } */ 98 struct sys__ksem_unlink_args ua; 99 100 NETBSD32TOP_UAP(name, const char); 101 return sys__ksem_unlink(l, &ua, retval); 102 } 103 104 int 105 netbsd32__ksem_close(struct lwp *l, const struct netbsd32__ksem_close_args *uap, register_t *retval) 106 { 107 /* { 108 syscallarg(netbsd32_semid_t) id; 109 } */ 110 struct sys__ksem_close_args ua; 111 112 NETBSD32TOX_UAP(id, semid_t); 113 return sys__ksem_close(l, &ua, retval); 114 } 115 116 int 117 netbsd32__ksem_post(struct lwp *l, const struct netbsd32__ksem_post_args *uap, register_t *retval) 118 { 119 /* { 120 syscallarg(netbsd32_semid_t) id; 121 } */ 122 struct sys__ksem_post_args ua; 123 124 NETBSD32TOX_UAP(id, semid_t); 125 return sys__ksem_post(l, &ua, retval); 126 } 127 128 int 129 netbsd32__ksem_wait(struct lwp *l, const struct netbsd32__ksem_wait_args *uap, register_t *retval) 130 { 131 /* { 132 syscallarg(netbsd32_semid_t) id; 133 } */ 134 struct sys__ksem_wait_args ua; 135 136 NETBSD32TOX_UAP(id, semid_t); 137 return sys__ksem_wait(l, &ua, retval); 138 } 139 140 int 141 netbsd32__ksem_trywait(struct lwp *l, const struct netbsd32__ksem_trywait_args *uap, register_t *retval) 142 { 143 /* { 144 syscallarg(netbsd32_semid_t) id; 145 } */ 146 struct sys__ksem_trywait_args ua; 147 148 NETBSD32TOX_UAP(id, semid_t); 149 return sys__ksem_trywait(l, &ua, retval); 150 } 151 152 int 153 netbsd32__ksem_destroy(struct lwp *l, const struct netbsd32__ksem_destroy_args *uap, register_t *retval) 154 { 155 /* { 156 syscallarg(netbsd32_semid_t) id; 157 } */ 158 struct sys__ksem_destroy_args ua; 159 160 NETBSD32TOX_UAP(id, semid_t); 161 return sys__ksem_destroy(l, &ua, retval); 162 } 163 164 int 165 netbsd32__ksem_getvalue(struct lwp *l, const struct netbsd32__ksem_getvalue_args *uap, register_t *retval) 166 { 167 /* { 168 syscallarg(netbsd32_semid_t) id; 169 syscallarg(netbsd32_intp) value; 170 } */ 171 struct sys__ksem_getvalue_args ua; 172 173 NETBSD32TOX_UAP(id, semid_t); 174 NETBSD32TOP_UAP(value, unsigned int); 175 return sys__ksem_getvalue(l, &ua, retval); 176 } 177
Indexes created Sat Sep 27 22:09:54 GMT 2025