1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/stat.h> 31*7c478bd9Sstevel@tonic-gate #include <fcntl.h> 32*7c478bd9Sstevel@tonic-gate #include <stdio.h> 33*7c478bd9Sstevel@tonic-gate #include <unistd.h> 34*7c478bd9Sstevel@tonic-gate #include "rcapd_stat.h" 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate /* 37*7c478bd9Sstevel@tonic-gate * Return the pid of the writer of the statistics file. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate pid_t 40*7c478bd9Sstevel@tonic-gate stat_get_rcapd_pid(char *file) 41*7c478bd9Sstevel@tonic-gate { 42*7c478bd9Sstevel@tonic-gate int fd; 43*7c478bd9Sstevel@tonic-gate rcapd_stat_hdr_t hdr; 44*7c478bd9Sstevel@tonic-gate char procfile[20]; 45*7c478bd9Sstevel@tonic-gate struct stat st; 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate if ((fd = open(file, O_RDONLY)) < 0) 48*7c478bd9Sstevel@tonic-gate return (-1); 49*7c478bd9Sstevel@tonic-gate 50*7c478bd9Sstevel@tonic-gate if (read(fd, &hdr, sizeof (hdr)) != sizeof (hdr)) { 51*7c478bd9Sstevel@tonic-gate (void) close(fd); 52*7c478bd9Sstevel@tonic-gate return (-1); 53*7c478bd9Sstevel@tonic-gate } 54*7c478bd9Sstevel@tonic-gate (void) close(fd); 55*7c478bd9Sstevel@tonic-gate 56*7c478bd9Sstevel@tonic-gate (void) snprintf(procfile, 20, "/proc/%d/psinfo", (int)hdr.rs_pid); 57*7c478bd9Sstevel@tonic-gate if (stat(procfile, &st) == 0) 58*7c478bd9Sstevel@tonic-gate return (hdr.rs_pid); 59*7c478bd9Sstevel@tonic-gate else 60*7c478bd9Sstevel@tonic-gate return (-1); 61*7c478bd9Sstevel@tonic-gate } 62