Undo r26920 since that appears to have led to numerous testsuite failures.

git-svn-id: https://svn.dealii.org/trunk@27002 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/base/thread_management.cc b/deal.II/source/base/thread_management.cc
index e439ecd9063e3b2fab2aa5c2d39fbda96ebdb07b..7549689b4827ca483a588ca15f91083ebfd2dcfc 100644 (file)
--- a/deal.II/source/base/thread_management.cc
+++ b/deal.II/source/base/thread_management.cc
@@ -148,10 +148,10 @@ namespace Threads
 
   unsigned int this_thread_id ()
   {
-#if HAVE_GETPID
-    const pid_t this_id = getpid();
-#elif SYS_gettid
+#ifdef SYS_gettid
     const int this_id = syscall(SYS_gettid);
+#elif HAVE_GETPID
+    const pid_t this_id = getpid();
 #else
 #  ifdef DEAL_II_MSVC
     const unsigned int this_id = 0;