From 658ede8ca657fe56c7ea6b0a3a1bd89fb858d26d Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Thu, 7 Apr 2016 21:46:44 +0300
Subject: Fix race condition in fatal errors for one end closed on two way
 pipe.

---
 awk.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'awk.h')

diff --git a/awk.h b/awk.h
index c74c6881..86c8883d 100644
--- a/awk.h
+++ b/awk.h
@@ -1501,6 +1501,8 @@ extern struct redirect *redirect(NODE *redir_exp, int redirtype, int *errflg);
 extern NODE *do_close(int nargs);
 extern int flush_io(void);
 extern int close_io(bool *stdio_problem);
+typedef enum { CLOSE_ALL, CLOSE_TO, CLOSE_FROM } two_way_close_type;
+extern int close_rp(struct redirect *rp, two_way_close_type how);
 extern int devopen_simple(const char *name, const char *mode, bool try_real_open);
 extern int devopen(const char *name, const char *mode);
 extern int srcopen(SRCFILE *s);
-- 
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