1 /* $NetBSD: netbsd32_wait.c,v 1.17 2007/12/20 23:03:02 dsl 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 1.17 2007/12/20 23:03:02 dsl 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(struct lwp *l, const struct netbsd32_wait4_args *uap, register_t *retval) 52 { 53 /* { 54 syscallarg(int) pid; 55 syscallarg(netbsd32_intp) status; 56 syscallarg(int) options; 57 syscallarg(netbsd32_rusagep_t) rusage; 58 } */ 59 int status, error; 60 int was_zombie; 61 struct rusage ru; 62 struct netbsd32_rusage ru32; 63 int pid = SCARG(uap, pid); 64 65 error = do_sys_wait(l, &pid, &status, SCARG(uap, options), 66 SCARG_P32(uap, rusage) != NULL ? &ru : NULL, &was_zombie); 67 68 retval[0] = pid; 69 if (pid == 0) 70 return error; 71 72 if (SCARG_P32(uap, rusage)) { 73 netbsd32_from_rusage(&ru, &ru32); 74 error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); 75 } 76 77 if (error == 0 && SCARG_P32(uap, status)) 78 error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); 79 80 return error; 81 } 82 83 84 int 85 netbsd32_getrusage(struct lwp *l, const struct netbsd32_getrusage_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_smutex); 100 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL); 101 mutex_exit(&p->p_smutex); 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