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 #include <unistd.h>
  12
  13 char* list2byteArray()
  14 {
  15   size_t data_size = 24;
  16   char *data = new char[data_size];
  17   for (size_t i = 0; i < data_size; i++)
  18     data[i] = 'a';
  19   data[data_size - 1] = 0;
  20   char *ret = strdup(data);
  21   delete[] data;
  22   return ret;
  23 }
  24
  25 int addRecord()
  26 {
  27   char *data = list2byteArray();
  28   usleep(100);
  29   free(data);
  30   return 0;
  31 }
  32
  33 void *fillTable(void *ptr)
  34 {
  35   for (int i = 0; i < 100; i++) {
  36     std::string id("000");
  37     id.append(1, 'a' + i);
  38     std::list<std::string> record;
  39     record.push_back("some data");
  40     addRecord();
  41   }
  42   usleep(1000 * 1000);
  43   return NULL;
  44 }
  45
  46 int main(int argc, char* argv[])
  47 {
  48   pthread_t thread[2];
  49
  50   for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
  51     int ret = pthread_create(&thread[i], NULL, &fillTable, NULL);
  52     if (ret) {
  53       fprintf(stderr, "Failed to create thread %d: %d\n", i, ret);
  54       return 1;
  55     }
  56   }
  57
  58   for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
  59     int ret = pthread_join(thread[i], NULL);
  60     if (ret != 0) {
  61       fprintf(stderr, "Failed to join thread %d: %d\n", i, ret);
  62       return 1;
  63     }
  64   }
  65
  66   return 0;
  67 }