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

   1 /*
   2  * Copyright (c) 2010 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 __attribute__((weak))
  30 void foobar() {
  31 }
  32
  33 __thread int a;
  34 __thread int b = 5;
  35 __thread static int c;
  36 __thread static int d = 5;
  37
  38
  39 static void* work(void* arg)
  40 {
  41   uintptr_t offset = (uintptr_t)arg;
  42         //fprintf(stderr, "self=%p, &a=%p\n", pthread_self(), get_a());
  43   void* result = malloc(10);
  44         if ( a != 0 ) {
  45                 FAIL("tlv-basic: a non-zero on slow-path");
  46                 exit(0);
  47         }
  48         if ( b != 5 ) {
  49                 FAIL("tlv-basic: b not five");
  50                 exit(0);
  51         }
  52
  53         if ( c != 0 ) {
  54                 FAIL("tlv-basic: c non-zero");
  55                 exit(0);
  56         }
  57
  58         if ( d != 5 ) {
  59                 FAIL("tlv-basic: gd not five");
  60                 exit(0);
  61         }
  62
  63   for(int i=0; i < 10000; ++i) {
  64     a = 3 + offset + i;
  65     b = 7 + offset + i;
  66     c = 11 + offset + i;
  67     d = 13 + offset + i;
  68     foobar();
  69     if ( a != 3 + offset + i ) {
  70       FAIL("tlv-basic: a not three");
  71       exit(0);
  72     }
  73     if ( b != 7 + offset + i ) {
  74       FAIL("tlv-basic: b not seven");
  75       exit(0);
  76     }
  77     if ( c != 11 + offset + i ) {
  78       FAIL("tlv-basic: c not eleven");
  79       exit(0);
  80     }
  81     if ( d != 13 + offset + i ) {
  82       FAIL("tlv-basic: d not thirteen");
  83       exit(0);
  84     }
  85   }
  86
  87         return result;
  88 }
  89
  90 int main()
  91 {
  92         pthread_t worker1;
  93         if ( pthread_create(&worker1, NULL, work, (void*)1) != 0 ) {
  94                 FAIL("pthread_create failed");
  95                 exit(0);
  96         }
  97
  98         pthread_t worker2;
  99         if ( pthread_create(&worker2, NULL, work, (void*)10) != 0 ) {
 100                 FAIL("pthread_create failed");
 101                 exit(0);
 102         }
 103
 104         pthread_t worker3;
 105         if ( pthread_create(&worker3, NULL, work, (void*)100) != 0 ) {
 106                 FAIL("pthread_create failed");
 107                 exit(0);
 108         }
 109
 110         void* result;
 111         //fprintf(stderr, "waiting for worker 1\n");
 112         pthread_join(worker1, &result);
 113         //fprintf(stderr, "waiting for worker 2\n");
 114         pthread_join(worker2, &result);
 115         //fprintf(stderr, "waiting for worker 3\n");
 116         pthread_join(worker3, &result);
 117
 118         work(NULL);
 119
 120         PASS("tlv-basic");
 121         return EXIT_SUCCESS;
 122 }