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