1 /* $NetBSD: netbsd32_wait.c,v 1.20 2009/01/11 02:45:49 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.20 2009/01/11 02:45:49 christos Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/mount.h> 35 #include <sys/time.h> 36 #include <sys/wait.h> 37 #include <sys/ptrace.h> 38 #include <sys/resourcevar.h> 39 #include <sys/vnode.h> 40 #include <sys/pool.h> 41 #include <sys/proc.h> 42 #include <sys/dirent.h> 43 44 #include <compat/netbsd32/netbsd32.h> 45 #include <compat/netbsd32/netbsd32_syscallargs.h> 46 #include <compat/netbsd32/netbsd32_conv.h> 47 48 int 49 netbsd32___wait450(struct lwp *l, const struct netbsd32___wait450_args *uap, 50 register_t *retval) 51 { 52 /* { 53 syscallarg(int) pid; 54 syscallarg(netbsd32_intp) status; 55 syscallarg(int) options; 56 syscallarg(netbsd32_rusagep_t) rusage; 57 } */ 58 int status, error; 59 int was_zombie; 60 struct rusage ru; 61 struct netbsd32_rusage ru32; 62 int pid = SCARG(uap, pid); 63 64 error = do_sys_wait(l, &pid, &status, SCARG(uap, options), 65 SCARG_P32(uap, rusage) != NULL ? &ru : NULL, &was_zombie); 66 67 retval[0] = pid; 68 if (pid == 0) 69 return error; 70 71 if (SCARG_P32(uap, rusage)) { 72 netbsd32_from_rusage(&ru, &ru32); 73 error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); 74 } 75 76 if (error == 0 && SCARG_P32(uap, status)) 77 error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); 78 79 return error; 80 } 81 82 83 int 84 netbsd32___getrusage50(struct lwp *l, 85 const struct netbsd32___getrusage50_args *uap, register_t *retval) 86 { 87 /* { 88 syscallarg(int) who; 89 syscallarg(netbsd32_rusagep_t) rusage; 90 } */ 91 struct proc *p = l->l_proc; 92 struct rusage *rup; 93 struct netbsd32_rusage ru; 94 95 switch (SCARG(uap, who)) { 96 97 case RUSAGE_SELF: 98 rup = &p->p_stats->p_ru; 99 mutex_enter(p->p_lock); 100 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL); 101 mutex_exit(p->p_lock); 102 break; 103 104 case RUSAGE_CHILDREN: 105 rup = &p->p_stats->p_cru; 106 break; 107 108 default: 109 return (EINVAL); 110 } 111 netbsd32_from_rusage(rup, &ru); 112 return copyout(&ru, SCARG_P32(uap, rusage), sizeof(ru)); 113 } 114