diff -Naur org/include/RCF/thread/impl/posix_event.ipp mod/include/RCF/thread/impl/posix_event.ipp
--- org/include/RCF/thread/impl/posix_event.ipp	2013-02-13 01:18:14.000000000 +0100
+++ mod/include/RCF/thread/impl/posix_event.ipp	2014-10-19 18:37:08.000000000 +0200
@@ -44,7 +44,10 @@
 
 posix_event::posix_event()
 {
-  int error = ::pthread_cond_init(&cond_, 0);
+  ::pthread_condattr_init(&condattr_);
+  ::pthread_condattr_setclock(&condattr_, CLOCK_MONOTONIC);
+
+  int error = ::pthread_cond_init(&cond_, &condattr_);
   RCF_VERIFY(error == 0, Exception(_RcfError_ThreadingError("pthread_cond_init()"), error));
 }
 
diff -Naur org/include/RCF/thread/posix_event.hpp mod/include/RCF/thread/posix_event.hpp
--- org/include/RCF/thread/posix_event.hpp	2013-02-13 01:18:14.000000000 +0100
+++ mod/include/RCF/thread/posix_event.hpp	2014-10-19 18:37:08.000000000 +0200
@@ -100,13 +100,8 @@
   {
       BOOST_ASSERT(lock.locked());
 
-      struct timeval tp = {0};
-      gettimeofday(&tp, NULL);
-
-      // Convert from timeval to timespec.
       struct timespec ts = {0};
-      ts.tv_sec  = tp.tv_sec;
-      ts.tv_nsec = tp.tv_usec * 1000;
+      clock_gettime(CLOCK_MONOTONIC, &ts);
 
       // Add waitMs to current time.
       ts.tv_sec += (waitMs / 1000);
@@ -141,6 +136,7 @@
 
 protected:
   ::pthread_cond_t cond_;
+  ::pthread_condattr_t condattr_;
 };
 
 } // namespace detail