1 /* $NetBSD: netbsd32_wait.c,v 1.10 2005/12/11 12:20:22 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.10 2005/12/11 12:20:22 christos Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/mount.h> 37 #include <sys/time.h> 38 #include <sys/wait.h> 39 #include <sys/ptrace.h> 40 #include <sys/resourcevar.h> 41 #include <sys/vnode.h> 42 #include <sys/pool.h> 43 #include <sys/proc.h> 44 #include <sys/dirent.h> 45 46 #include <compat/netbsd32/netbsd32.h> 47 #include <compat/netbsd32/netbsd32_syscallargs.h> 48 #include <compat/netbsd32/netbsd32_conv.h> 49 50 int 51 netbsd32_wait4(l, v, retval) 52 struct lwp *l; 53 void *v; 54 register_t *retval; 55 { 56 struct netbsd32_wait4_args /* { 57 syscallarg(int) pid; 58 syscallarg(netbsd32_intp) status; 59 syscallarg(int) options; 60 syscallarg(netbsd32_rusagep_t) rusage; 61 } */ *uap = v; 62 struct sys_wait4_args ua; 63 caddr_t sg; 64 struct rusage *ruup = NULL; 65 int error; 66 67 if (SCARG(uap, rusage)) { 68 sg = stackgap_init(l->l_proc, sizeof(*ruup)); 69 ruup = (struct rusage *)stackgap_alloc(l->l_proc, &sg, 70 sizeof(*ruup)); 71 if (ruup == NULL) 72 return ENOMEM; 73 } 74 75 NETBSD32TO64_UAP(pid); 76 NETBSD32TOP_UAP(status, int); 77 NETBSD32TO64_UAP(options); 78 SCARG(&ua, rusage) = ruup; 79 80 error = sys_wait4(l, &ua, retval); 81 if (error) 82 return error; 83 84 if (ruup != NULL) { 85 struct netbsd32_rusage ru32; 86 struct rusage rus; 87 88 error = copyin(ruup, &rus, sizeof(rus)); 89 if (error) 90 return error; 91 netbsd32_from_rusage(&rus, &ru32); 92 error = copyout(&ru32, NETBSD32PTR64(SCARG(uap, rusage)), 93 sizeof(ru32)); 94 } 95 96 return error; 97 } 98 99 int 100 netbsd32_getrusage(l, v, retval) 101 struct lwp *l; 102 void *v; 103 register_t *retval; 104 { 105 struct netbsd32_getrusage_args /* { 106 syscallarg(int) who; 107 syscallarg(netbsd32_rusagep_t) rusage; 108 } */ *uap = v; 109 struct proc *p = l->l_proc; 110 struct rusage *rup; 111 struct netbsd32_rusage ru; 112 113 switch (SCARG(uap, who)) { 114 115 case RUSAGE_SELF: 116 rup = &p->p_stats->p_ru; 117 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL); 118 break; 119 120 case RUSAGE_CHILDREN: 121 rup = &p->p_stats->p_cru; 122 break; 123 124 default: 125 return (EINVAL); 126 } 127 netbsd32_from_rusage(rup, &ru); 128 return (copyout(&ru, (caddr_t)NETBSD32PTR64(SCARG(uap, rusage)), 129 sizeof(ru))); 130 } 131