unit-tests/test-cases/tlv-initializer/main.c

   1 /*
   2  * Copyright (c) 2010-2011 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include <stdio.h>  // fprintf(), NULL
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <pthread.h>
  26
  27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  28
  29 __thread int a = 0;             // initially 0
  30 __thread int b = 5;             // initially 5
  31
  32 // simulate C++ initializer on thread local variables
  33 void myinit()
  34 {
  35         a = 11;
  36         b = 42;
  37 }
  38
  39 static void* work(void* arg)
  40 {
  41         //fprintf(stderr, "self=%p, &a=%p\n", pthread_self(), get_a());
  42         if ( a != 11 ) {
  43                 FAIL("tlv-initializer: get_a() not initialized to 11");
  44                 exit(0);
  45         }
  46         if ( b != 42 ) {
  47                 FAIL("tlv-initializer: get_b() not initialized to 42");
  48                 exit(0);
  49         }
  50         return NULL;
  51 }
  52
  53 int main()
  54 {
  55         pthread_t worker1;
  56         if ( pthread_create(&worker1, NULL, work, NULL) != 0 ) {
  57                 FAIL("pthread_create failed");
  58                 exit(0);
  59         }
  60
  61         pthread_t worker2;
  62         if ( pthread_create(&worker2, NULL, work, NULL) != 0 ) {
  63                 FAIL("pthread_create failed");
  64                 exit(0);
  65         }
  66
  67         void* result;
  68         //fprintf(stderr, "waiting for worker 1\n");
  69         pthread_join(worker1, &result);
  70         //fprintf(stderr, "waiting for worker 2\n");
  71         pthread_join(worker2, &result);
  72
  73         work(NULL);
  74
  75         PASS("tlv-initializer");
  76         return EXIT_SUCCESS;
  77 }