diff -ru mozilla/security/manager/ssl/src/nsCertVerificationThread.cpp mozilla-diff/security/manager/ssl/src/nsCertVerificationThread.cpp
--- mozilla/security/manager/ssl/src/nsCertVerificationThread.cpp       2006-04-14 00:07:18.000000000 +0200
+++ mozilla-diff/security/manager/ssl/src/nsCertVerificationThread.cpp  2007-06-18 18:32:13.169975833 +0200
@@ -123,12 +123,8 @@
   return NS_OK;
 }
 
-#define CONDITION_WAIT_TIME PR_TicksPerSecond() / 4
-  
 void nsCertVerificationThread::Run(void)
 {
-  const PRIntervalTime wait_time = CONDITION_WAIT_TIME;
-
   while (PR_TRUE) {
 
     nsBaseVerificationJob *job = nsnull;
@@ -139,7 +135,7 @@
       while (!mExitRequested && (0 == verification_thread_singleton->mJobQ.GetSize())) {
         // no work to do ? let's wait a moment
 
-        PR_WaitCondVar(mCond, wait_time);
+        PR_WaitCondVar(mCond, PR_INTERVAL_NO_TIMEOUT);
       }
       
       if (mExitRequested)
diff -ru mozilla/security/manager/ssl/src/nsSSLThread.cpp mozilla-diff/security/manager/ssl/src/nsSSLThread.cpp
--- mozilla/security/manager/ssl/src/nsSSLThread.cpp    2007-04-03 19:00:42.000000000 +0200
+++ mozilla-diff/security/manager/ssl/src/nsSSLThread.cpp       2007-06-18 18:35:30.672955121 +0200
@@ -386,6 +386,8 @@
       
       close_later = PR_TRUE;
       ssl_thread_singleton->mSocketScheduledToBeDestroyed = si;
+
+      PR_NotifyAllCondVar(ssl_thread_singleton->mCond);
     }
   }
 
@@ -875,8 +877,7 @@
         {
           // no work to do ? let's wait a moment
 
-          PRIntervalTime wait_time = PR_TicksPerSecond() / 4;
-          PR_WaitCondVar(mCond, wait_time);
+         PR_WaitCondVar(mCond, PR_INTERVAL_NO_TIMEOUT);
         }
         
       } while (!pending_work && !mExitRequested && !mSocketScheduledToBeDestroyed);