1 files changed, 5 insertions, 0 deletions
diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index 6d6f10b0c..de85c1d96 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -307,6 +307,7 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls)
 
   /* Initialize signal/process handling */
   sigproc_init ();
+  __pthread_atforkchild();
   cygbench ("fork-child");
   return 0;
 }
@@ -597,6 +598,7 @@ out:
   ForceCloseHandle (forker_finished);
   forker_finished = NULL;
   pi.hThread = NULL;
+  __pthread_atforkparent();
 
   return forked->pid;
 
@@ -640,6 +642,9 @@ fork ()
       return -1;
     }
 
+  /* call the pthread_atfork prepare functions */
+  __pthread_atforkprepare();
+
   void *esp;
   __asm ("movl %%esp,%0": "=r" (esp));