1 /* 2 * Copyright (c) 2004, Bull S.A.. All rights reserved. 3 * Created by: Sebastien Decugis 4 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 * 13 * You should have received a copy of the GNU General Public License along 14 * with this program; if not, write the Free Software Foundation, Inc., 15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 16 17 * This sample test aims to check the following assertion: 18 * 19 * The new process' ID does not match any existing process or group ID. 20 21 * The steps are: 22 * -> create a child; then terminate this child. 23 * -> check that no other process or group has the same ID. 24 25 * The test fails if another object shares the same ID. 26 27 */ 28 29 /* We are testing conformance to IEEE Std 1003.1, 2003 Edition */ 30 #define _POSIX_C_SOURCE 200112L 31 32 #include <pthread.h> 33 #include <stdarg.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <unistd.h> 38 39 #include <sys/wait.h> 40 #include <errno.h> 41 42 #include <signal.h> 43 44 #include "../testfrmw/testfrmw.h" 45 #include "../testfrmw/testfrmw.c" 46 47 #ifndef VERBOSE 48 #define VERBOSE 1 49 #endif 50 51 int main(void) 52 { 53 int ret, status; 54 pid_t child, ctl; 55 56 /* Initialize output */ 57 output_init(); 58 59 /* Create the child */ 60 child = fork(); 61 if (child == -1) { 62 UNRESOLVED(errno, "Failed to fork"); 63 } 64 65 /* child */ 66 if (child == 0) { 67 /* The child stops immediatly */ 68 exit(PTS_PASS); 69 } 70 71 /* Parent joins the child */ 72 ctl = waitpid(child, &status, 0); 73 if (ctl != child) { 74 UNRESOLVED(errno, "Waitpid returned the wrong PID"); 75 } 76 if ((!WIFEXITED(status)) || (WEXITSTATUS(status) != PTS_PASS)) { 77 UNRESOLVED(status, "Child exited abnormally"); 78 } 79 80 ret = kill(child, 0); 81 if ((ret == 0) || (errno != ESRCH)) { 82 output("Kill returned %d (%d: %s)\n", ret, errno, 83 strerror(errno)); 84 FAILED("Another process with the same PID as the child exists"); 85 } 86 87 ret = kill((0 - (int)child), 0); 88 if ((ret == 0) || (errno != ESRCH)) { 89 output("Kill returned %d (%d: %s)\n", ret, errno, 90 strerror(errno)); 91 FAILED("A process group with the same PID as the child exists"); 92 } 93 94 #if VERBOSE > 0 95 output("Test passed\n"); 96 #endif 97 98 PASSED; 99 } 100
