From 8ba769f45f6f81b777abf5b38666f2f8dcffc187 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Sat, 12 Jan 2002 21:16:33 +0000
Subject: [PATCH] Check unix_pid again after attach.

---
 server/ptrace.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/server/ptrace.c b/server/ptrace.c
index a36bed7f762..8eaaa6d4e4d 100644
--- a/server/ptrace.c
+++ b/server/ptrace.c
@@ -168,6 +168,7 @@ void stop_thread( struct thread *thread )
     if (!thread->attached)
         if (attach_thread( thread )) return;  /* this will have stopped it */
     /* attached already, or attach failed -> send a signal */
+    if (!thread->unix_pid) return;
     kill( thread->unix_pid, SIGSTOP );
     if (thread->attached) wait4_thread( thread, SIGSTOP );
 }