From b3a20a96eb2b91a5b0b8a8fb506e20a2fb50ebe8 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Wed, 30 Dec 2020 00:10:11 -0500
Subject: libthread: add threadmaybackground

Programs that want to background themselves now need
to define threadmaybackground returning 1.
This avoids a confusing (to people and debuggers)
extra parent process for all the threaded programs
that will never want to background themselves.
---
 src/cmd/upas/fs/fs.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/cmd/upas/fs/fs.c')

diff --git a/src/cmd/upas/fs/fs.c b/src/cmd/upas/fs/fs.c
index dc6ff3ba..32968e67 100644
--- a/src/cmd/upas/fs/fs.c
+++ b/src/cmd/upas/fs/fs.c
@@ -155,6 +155,12 @@ notifyf(void *a, char *s)
 	noted(NDFLT);
 }
 
+int
+threadmaybackground(void)
+{
+	return 1;
+}
+
 void
 threadmain(int argc, char *argv[])
 {
-- 
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