drd/tests/std_string.cpp

   1 /*
   2  * Test program that uses std::string object from more than one thread and
   3  * that also triggers a call to __GI_strlen() (from inside strdup()). See also
   4  * https://bugs.kde.org/show_bug.cgi?id=326091.
   5  */
   6
   7 #include <list>
   8 #include <string>
   9 #include <cstring>
  10 #include <pthread.h>
  11 #if defined(__FreeBSD__)
  12 #include <stdio.h>
  13 #endif
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16
  17 char* list2byteArray()
  18 {
  19   size_t data_size = 24;
  20   char *data = new char[data_size];
  21   for (size_t i = 0; i < data_size; i++)
  22     data[i] = 'a';
  23   data[data_size - 1] = 0;
  24   char *ret = strdup(data);
  25   delete[] data;
  26   return ret;
  27 }
  28
  29 int addRecord()
  30 {
  31   char *data = list2byteArray();
  32   usleep(100);
  33   free(data);
  34   return 0;
  35 }
  36
  37 void *fillTable(void *ptr)
  38 {
  39   for (int i = 0; i < 100; i++) {
  40     std::string id("000");
  41     id.append(1, 'a' + i);
  42     std::list<std::string> record;
  43     record.push_back("some data");
  44     addRecord();
  45   }
  46   usleep(1000 * 1000);
  47   return NULL;
  48 }
  49
  50 int main(int argc, char* argv[])
  51 {
  52   pthread_t thread[2];
  53
  54   for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
  55     int ret = pthread_create(&thread[i], NULL, &fillTable, NULL);
  56     if (ret) {
  57       fprintf(stderr, "Failed to create thread %d: %d\n", i, ret);
  58       return 1;
  59     }
  60   }
  61
  62   for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
  63     int ret = pthread_join(thread[i], NULL);
  64     if (ret != 0) {
  65       fprintf(stderr, "Failed to join thread %d: %d\n", i, ret);
  66       return 1;
  67     }
  68   }
  69
  70   return 0;
  71 }