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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdio.h> 30 #include <unistd.h> 31 #include <string.h> 32 #include <errno.h> 33 #include <libproc.h> 34 #include <sys/param.h> 35 36 static char *command; 37 38 static int 39 show_cwd(const char *arg) 40 { 41 char cwd[MAXPATHLEN], proc[128]; 42 psinfo_t p; 43 int gcode; 44 int ret; 45 46 if (proc_arg_psinfo(arg, PR_ARG_PIDS, &p, &gcode) == -1) { 47 (void) fprintf(stderr, "%s: cannot examine %s: %s\n", 48 command, arg, Pgrab_error(gcode)); 49 return (1); 50 } 51 52 (void) snprintf(proc, sizeof (proc), "/proc/%d/path/cwd", 53 (int)p.pr_pid); 54 55 if ((ret = readlink(proc, cwd, sizeof (cwd) - 1)) <= 0) { 56 (void) fprintf(stderr, "%s: cannot resolve cwd for %s: %s\n", 57 command, arg, strerror(errno)); 58 return (1); 59 } 60 61 cwd[ret] = '\0'; 62 63 (void) printf("%d:\t%s\n", (int)p.pr_pid, cwd); 64 return (0); 65 } 66 67 int 68 main(int argc, char **argv) 69 { 70 int retc = 0; 71 72 if ((command = strrchr(argv[0], '/')) != NULL) 73 command++; 74 else 75 command = argv[0]; 76 77 if (argc <= 1) { 78 (void) fprintf(stderr, "usage:\t%s pid ...\n", command); 79 (void) fprintf(stderr, " (show process working directory)\n"); 80 } 81 82 while (--argc >= 1) 83 retc += show_cwd(*++argv); 84 85 return (retc); 86 } 87