1 /* $NetBSD: netbsd32_wait.c,v 1.19 2008/05/29 14:51:26 mrg 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 1.19 2008/05/29 14:51:26 mrg 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_wait4(struct lwp *l, const struct netbsd32_wait4_args *uap, register_t *retval) 50 { 51 /* { 52 syscallarg(int) pid; 53 syscallarg(netbsd32_intp) status; 54 syscallarg(int) options; 55 syscallarg(netbsd32_rusagep_t) rusage; 56 } */ 57 int status, error; 58 int was_zombie; 59 struct rusage ru; 60 struct netbsd32_rusage ru32; 61 int pid = SCARG(uap, pid); 62 63 error = do_sys_wait(l, &pid, &status, SCARG(uap, options), 64 SCARG_P32(uap, rusage) != NULL ? &ru : NULL, &was_zombie); 65 66 retval[0] = pid; 67 if (pid == 0) 68 return error; 69 70 if (SCARG_P32(uap, rusage)) { 71 netbsd32_from_rusage(&ru, &ru32); 72 error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); 73 } 74 75 if (error == 0 && SCARG_P32(uap, status)) 76 error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); 77 78 return error; 79 } 80 81 82 int 83 netbsd32_getrusage(struct lwp *l, const struct netbsd32_getrusage_args *uap, register_t *retval) 84 { 85 /* { 86 syscallarg(int) who; 87 syscallarg(netbsd32_rusagep_t) rusage; 88 } */ 89 struct proc *p = l->l_proc; 90 struct rusage *rup; 91 struct netbsd32_rusage ru; 92 93 switch (SCARG(uap, who)) { 94 95 case RUSAGE_SELF: 96 rup = &p->p_stats->p_ru; 97 mutex_enter(p->p_lock); 98 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL); 99 mutex_exit(p->p_lock); 100 break; 101 102 case RUSAGE_CHILDREN: 103 rup = &p->p_stats->p_cru; 104 break; 105 106 default: 107 return (EINVAL); 108 } 109 netbsd32_from_rusage(rup, &ru); 110 return copyout(&ru, SCARG_P32(uap, rusage), sizeof(ru)); 111 } 112