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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sys/isa_defs.h> 28 29 #include <stdlib.h> 30 #include <unistd.h> 31 #include <string.h> 32 #include <errno.h> 33 #include <sys/types.h> 34 #include <sys/wait.h> 35 36 #include "P32ton.h" 37 #include "libproc.h" 38 39 /* 40 * waitid() system call -- executed by subject process 41 */ 42 int 43 pr_waitid(struct ps_prochandle *Pr, 44 idtype_t idtype, id_t id, siginfo_t *infop, int options) 45 { 46 sysret_t rval; /* return value from waitid() */ 47 argdes_t argd[4]; /* arg descriptors for waitid() */ 48 argdes_t *adp; 49 int error; 50 #ifdef _LP64 51 siginfo32_t siginfo32; 52 #endif /* _LP64 */ 53 54 if (Pr == NULL) /* no subject process */ 55 return (waitid(idtype, id, infop, options)); 56 57 adp = &argd[0]; /* idtype argument */ 58 adp->arg_value = idtype; 59 adp->arg_object = NULL; 60 adp->arg_type = AT_BYVAL; 61 adp->arg_inout = AI_INPUT; 62 adp->arg_size = 0; 63 64 adp++; /* id argument */ 65 adp->arg_value = id; 66 adp->arg_object = NULL; 67 adp->arg_type = AT_BYVAL; 68 adp->arg_inout = AI_INPUT; 69 adp->arg_size = 0; 70 71 adp++; /* infop argument */ 72 adp->arg_value = 0; 73 adp->arg_type = AT_BYREF; 74 adp->arg_inout = AI_OUTPUT; 75 #ifdef _LP64 76 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) { 77 adp->arg_object = &siginfo32; 78 adp->arg_size = sizeof (siginfo32); 79 } else { 80 adp->arg_object = infop; 81 adp->arg_size = sizeof (*infop); 82 } 83 #else /* _LP64 */ 84 adp->arg_object = infop; 85 adp->arg_size = sizeof (*infop); 86 #endif /* _LP64 */ 87 88 adp++; /* options argument */ 89 adp->arg_value = options; 90 adp->arg_object = NULL; 91 adp->arg_type = AT_BYVAL; 92 adp->arg_inout = AI_INPUT; 93 adp->arg_size = 0; 94 95 error = Psyscall(Pr, &rval, SYS_waitid, 4, &argd[0]); 96 97 if (error) { 98 errno = (error > 0)? error : ENOSYS; 99 return (-1); 100 } 101 #ifdef _LP64 102 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 103 siginfo_32_to_n(&siginfo32, infop); 104 #endif /* _LP64 */ 105 return (0); 106 } 107