From 7e62e8dafe19b9b7c7c77a85a664eb42bd2ffee7 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Tue, 5 Apr 2022 14:47:14 +0100
Subject: Allow building on old glibc without PR_SET_CHILD_SUBREAPER defined

Signed-off-by: Simon McVittie <smcv@collabora.com>
---
 tests/try-syscall.c | 4 ++++
 utils.h             | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/tests/try-syscall.c b/tests/try-syscall.c
index df35054..6e389de 100644
--- a/tests/try-syscall.c
+++ b/tests/try-syscall.c
@@ -71,6 +71,10 @@
  */
 #define WRONG_POINTER ((char *) 1)
 
+#ifndef PR_GET_CHILD_SUBREAPER
+#define PR_GET_CHILD_SUBREAPER 37
+#endif
+
 int
 main (int argc, char **argv)
 {
diff --git a/utils.h b/utils.h
index 55a9585..37d8c7c 100644
--- a/utils.h
+++ b/utils.h
@@ -48,6 +48,10 @@ typedef int bool;
 #define PIPE_READ_END 0
 #define PIPE_WRITE_END 1
 
+#ifndef PR_SET_CHILD_SUBREAPER
+#define PR_SET_CHILD_SUBREAPER 36
+#endif
+
 void  warn (const char *format,
             ...) __attribute__((format (printf, 1, 2)));
 void  die_with_error (const char *format,
-- 
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