* fork.cc (vfork): Avoid recursive vforks.

2001-09-14 04:37:57 +00:00
parent 02a9889121
commit 25e40ae6aa
2 changed files with 9 additions and 1 deletions
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@ -705,6 +705,8 @@ vfork ()

  if (vf == NULL)
    vf = vfork_storage.create ();
+  else if (vf->pid)
+    return fork ();

  if (!setjmp (vf->j))
    {
@ -735,6 +737,8 @@ vfork ()
 	exit (exitval);
    }

-  return vf->pid;
+  int pid = vf->pid;
+  vf->pid = 0;
+  return pid;
 #endif
 }