WIP

[m6w6/libmemcached] / test / lib / random.cpp

diff --git a/test/lib/random.cpp b/test/lib/random.cpp
index 50cc53db508ed219da16f00d9538554f774f6cf0..76c049710432ffbc4b0be42d43aaee59a265c370 100644 (file)
--- a/test/lib/random.cpp
+++ b/test/lib/random.cpp
@@ -1,20 +1,31 @@
 #include "test/lib/random.hpp"
 #include "test/lib/Connection.hpp"
 
-#include <unistd.h> // getpid()
+#if HAVE_UNISTD_H
+#  include <unistd.h> // getpid()
+#endif
+mt19937_64 rnd_eng;
+mutex rnd_mtx;
 
-unsigned random_port() {
-  retry:
-  auto port = random_num(5000, 32000);
-  Connection conn(port);
+void random_setup() {
+  using namespace chrono;
 
-  if (!conn.open()) {
-    return port;
-  }
-  if (!conn.isOpen()) {
-    return port;
-  }
-  goto retry;
+  auto time = duration_cast<nanoseconds>(system_clock::now().time_since_epoch());
+  rnd_eng.seed(static_cast<mt19937_64::result_type>(time.count()));
+}
+
+unsigned random_port() {
+  do {
+    auto port = random_num(5000, 32000);
+    Connection conn(port);
+
+    if (!conn.open()) {
+      return port;
+    }
+    if (!conn.isOpen()) {
+      return port;
+    }
+  } while(true);
 }
 
 string random_port_string(const string &) {