1 /* 2 * File: reuse1.c 3 * 4 * 5 * -------------------------------------------------------------------------- 6 * 7 * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems 8 * Copyright(C) 2008 Jason Schmidlapp 9 * 10 * Contact Email: jschmidlapp@users.sourceforge.net 11 * 12 * 13 * Based upon Pthreads-win32 - POSIX Threads Library for Win32 14 * Copyright(C) 1998 John E. Bossom 15 * Copyright(C) 1999,2005 Pthreads-win32 contributors 16 * 17 * Contact Email: rpj@callisto.canberra.edu.au 18 * 19 * The original list of contributors to the Pthreads-win32 project 20 * is contained in the file CONTRIBUTORS.ptw32 included with the 21 * source code distribution. The list can also be seen at the 22 * following World Wide Web location: 23 * http://sources.redhat.com/pthreads-win32/contributors.html 24 * 25 * This library is free software; you can redistribute it and/or 26 * modify it under the terms of the GNU Lesser General Public 27 * License as published by the Free Software Foundation; either 28 * version 2 of the License, or (at your option) any later version. 29 * 30 * This library is distributed in the hope that it will be useful, 31 * but WITHOUT ANY WARRANTY; without even the implied warranty of 32 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 33 * Lesser General Public License for more details. 34 * 35 * You should have received a copy of the GNU Lesser General Public 36 * License along with this library in the file COPYING.LIB; 37 * if not, write to the Free Software Foundation, Inc., 38 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 39 * 40 * -------------------------------------------------------------------------- 41 * 42 * Test Synopsis: 43 * - Confirm that thread reuse works for joined threads. 44 * 45 * Test Method (Validation or Falsification): 46 * - 47 * 48 * Requirements Tested: 49 * - 50 * 51 * Features Tested: 52 * - 53 * 54 * Cases Tested: 55 * - 56 * 57 * Description: 58 * - 59 * 60 * Environment: 61 * - 62 * 63 * Input: 64 * - None. 65 * 66 * Output: 67 * - File name, Line number, and failed expression on failure. 68 * - No output on success. 69 * 70 * Assumptions: 71 * - 72 * 73 * Pass Criteria: 74 * - Process returns zero exit status. 75 * 76 * Fail Criteria: 77 * - Process returns non-zero exit status. 78 */ 79 80 #include "test.h" 81 82 enum 83 { 84 NUMTHREADS = 50 85 }; 86 87 static int washere = 0; 88 89 static void * func(void * arg) 90 { 91 washere = 1; 92 return arg; 93 } 94 95 int pthread_test_reuse1() 96 { 97 pthread_t t, 98 last_t; 99 pthread_attr_t attr; 100 void * result = NULL; 101 int i; 102 103 assert(pthread_attr_init(&attr) == 0);; 104 assert(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE) == 0); 105 106 washere = 0; 107 assert(pthread_create(&t, &attr, func, NULL) == 0); 108 assert(pthread_join(t, &result) == 0);; 109 assert(result == 0); 110 assert(washere == 1); 111 last_t = t; 112 113 for (i = 1; i < NUMTHREADS; i++) 114 { 115 washere = 0; 116 assert(pthread_create(&t, &attr, func, (void *) i) == 0); 117 pthread_join(t, &result); 118 assert((int) result == i); 119 assert(washere == 1); 120 /* thread IDs should be unique */ 121 assert(!pthread_equal(t, last_t)); 122 /* thread struct pointers should be the same */ 123 assert(t.p == last_t.p); 124 /* thread handle reuse counter should be different by one */ 125 assert(t.x == last_t.x+1); 126 last_t = t; 127 } 128 129 return 0; 130 } 131