1 /* $NetBSD: netbsd32_wait.c,v 1.8 2005/07/22 22:46:29 cube 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 1.8 2005/07/22 22:46:29 cube 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 45 #include <compat/netbsd32/netbsd32.h> 46 #include <compat/netbsd32/netbsd32_syscallargs.h> 47 #include <compat/netbsd32/netbsd32_conv.h> 48 49 int 50 netbsd32_wait4(l, v, retval) 51 struct lwp *l; 52 void *v; 53 register_t *retval; 54 { 55 struct netbsd32_wait4_args /* { 56 syscallarg(int) pid; 57 syscallarg(netbsd32_intp) status; 58 syscallarg(int) options; 59 syscallarg(netbsd32_rusagep_t) rusage; 60 } */ *uap = v; 61 struct sys_wait4_args ua; 62 caddr_t sg; 63 struct rusage *ruup = NULL; 64 int error; 65 66 if (SCARG(uap, rusage)) { 67 sg = stackgap_init(l->l_proc, sizeof(*ruup)); 68 ruup = (struct rusage *)stackgap_alloc(l->l_proc, &sg, 69 sizeof(*ruup)); 70 if (ruup == NULL) 71 return ENOMEM; 72 } 73 74 NETBSD32TO64_UAP(pid); 75 NETBSD32TOP_UAP(status, int); 76 NETBSD32TO64_UAP(options); 77 SCARG(&ua, rusage) = ruup; 78 79 error = sys_wait4(l, &ua, retval); 80 if (error) 81 return error; 82 83 if (ruup != NULL) { 84 struct netbsd32_rusage ru32; 85 struct rusage rus; 86 87 error = copyin(ruup, &rus, sizeof(rus)); 88 if (error) 89 return error; 90 netbsd32_from_rusage(&rus, &ru32); 91 error = copyout(&ru32, NETBSD32PTR64(SCARG(uap, rusage)), 92 sizeof(ru32)); 93 } 94 95 return error; 96 } 97 98 int 99 netbsd32_getrusage(l, v, retval) 100 struct lwp *l; 101 void *v; 102 register_t *retval; 103 { 104 struct netbsd32_getrusage_args /* { 105 syscallarg(int) who; 106 syscallarg(netbsd32_rusagep_t) rusage; 107 } */ *uap = v; 108 struct proc *p = l->l_proc; 109 struct rusage *rup; 110 struct netbsd32_rusage ru; 111 112 switch (SCARG(uap, who)) { 113 114 case RUSAGE_SELF: 115 rup = &p->p_stats->p_ru; 116 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL); 117 break; 118 119 case RUSAGE_CHILDREN: 120 rup = &p->p_stats->p_cru; 121 break; 122 123 default: 124 return (EINVAL); 125 } 126 netbsd32_from_rusage(rup, &ru); 127 return (copyout(&ru, (caddr_t)NETBSD32PTR64(SCARG(uap, rusage)), 128 sizeof(ru))); 129 } 130