1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/isa_defs.h> 30 31 #include <stdlib.h> 32 #include <unistd.h> 33 #include <string.h> 34 #include <errno.h> 35 #include <sys/types.h> 36 #include <sys/wait.h> 37 38 #include "P32ton.h" 39 #include "libproc.h" 40 41 /* 42 * waitid() system call -- executed by subject process 43 */ 44 int 45 pr_waitid(struct ps_prochandle *Pr, 46 idtype_t idtype, id_t id, siginfo_t *infop, int options) 47 { 48 sysret_t rval; /* return value from waitid() */ 49 argdes_t argd[4]; /* arg descriptors for waitid() */ 50 argdes_t *adp; 51 int error; 52 #ifdef _LP64 53 siginfo32_t siginfo32; 54 #endif /* _LP64 */ 55 56 if (Pr == NULL) /* no subject process */ 57 return (waitid(idtype, id, infop, options)); 58 59 adp = &argd[0]; /* idtype argument */ 60 adp->arg_value = idtype; 61 adp->arg_object = NULL; 62 adp->arg_type = AT_BYVAL; 63 adp->arg_inout = AI_INPUT; 64 adp->arg_size = 0; 65 66 adp++; /* id argument */ 67 adp->arg_value = id; 68 adp->arg_object = NULL; 69 adp->arg_type = AT_BYVAL; 70 adp->arg_inout = AI_INPUT; 71 adp->arg_size = 0; 72 73 adp++; /* infop argument */ 74 adp->arg_value = 0; 75 adp->arg_type = AT_BYREF; 76 adp->arg_inout = AI_OUTPUT; 77 #ifdef _LP64 78 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) { 79 adp->arg_object = &siginfo32; 80 adp->arg_size = sizeof (siginfo32); 81 } else { 82 adp->arg_object = infop; 83 adp->arg_size = sizeof (*infop); 84 } 85 #else /* _LP64 */ 86 adp->arg_object = infop; 87 adp->arg_size = sizeof (*infop); 88 #endif /* _LP64 */ 89 90 adp++; /* options argument */ 91 adp->arg_value = options; 92 adp->arg_object = NULL; 93 adp->arg_type = AT_BYVAL; 94 adp->arg_inout = AI_INPUT; 95 adp->arg_size = 0; 96 97 error = Psyscall(Pr, &rval, SYS_waitsys, 4, &argd[0]); 98 99 if (error) { 100 errno = (error > 0)? error : ENOSYS; 101 return (-1); 102 } 103 #ifdef _LP64 104 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 105 siginfo_32_to_n(&siginfo32, infop); 106 #endif /* _LP64 */ 107 return (0); 108 } 109