drd/tests: Add std_list and std_string test programs

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13680

drd/tests/std_string.cpp

@@ -0,0 +1,67 @@
+/*
+ * Test program that uses std::string object from more than one thread and
+ * that also triggers a call to __GI_strlen() (from inside strdup()). See also
+ * https://bugs.kde.org/show_bug.cgi?id=326091.
+ */
+
+#include <list>
+#include <string>
+#include <cstring>
+#include <pthread.h>
+#include <unistd.h>
+
+char* list2byteArray()
+{
+  size_t data_size = 24;
+  char *data = new char[data_size];
+  for (size_t i = 0; i < data_size; i++)
+    data[i] = 'a';
+  data[data_size - 1] = 0;
+  char *ret = strdup(data);
+  delete[] data;
+  return ret;
+} 
+
+int addRecord()
+{
+  char *data = list2byteArray();
+  usleep(100);
+  free(data);
+  return 0;
+}
+
+void *fillTable(void *ptr)
+{
+  for (int i = 0; i < 100; i++) {
+    std::string id("000");
+    id.append(1, 'a' + i);
+    std::list<std::string> record;
+    record.push_back("some data");
+    addRecord();
+  }
+  usleep(1000 * 1000);
+  return NULL;
+}
+
+int main(int argc, char* argv[])
+{
+  pthread_t thread[2];
+
+  for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
+    int ret = pthread_create(&thread[i], NULL, &fillTable, NULL);
+    if (ret) {
+      fprintf(stderr, "Failed to create thread %d: %d\n", i, ret);
+      return 1;
+    }
+  }
+
+  for (int i = 0; i < sizeof(thread)/sizeof(thread[0]); i++) {
+    int ret = pthread_join(thread[i], NULL);
+    if (ret != 0) {
+      fprintf(stderr, "Failed to join thread %d: %d\n", i, ret);
+      return 1;
+    }
+  }
+
+  return 0;
+}