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-rw-r--r--winsup/cygwin/fork.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index b2f4d7c84..30fca7b2d 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -733,6 +733,7 @@ vfork ()
if (vf->pid < 0)
{
int exitval = -vf->pid;
+ vf->pid = 0;
if ((vf->pid = fork ()) == 0)
exit (exitval);
}