PR/56422 CVS commit: [netbsd-8] src/sys/kern

["Martin Husemann" <martin%netbsd.org@localhost>]

The following reply was made to PR bin/56422; it has been noted by GNATS.

From: "Martin Husemann" <martin%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/56422 CVS commit: [netbsd-8] src/sys/kern
Date: Fri, 8 Oct 2021 14:59:59 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Fri Oct  8 14:59:59 UTC 2021
 
 Modified Files:
 	src/sys/kern [netbsd-8]: sys_pipe.c
 
 Log Message:
 Pull up following revision(s) (requested by hannken in ticket #1698):
 
 	sys/kern/sys_pipe.c: revision 1.157
 
 Fix a deadlock where one thread writes to a pipe, has more data
 and no space in the pipe and waits on "pipe_wcv" while the reader
 is closing the pipe and waits on "pipe_draincv".
 
 Swap the test for "PIPE_EOF" and the "cv_wait_sig()" in "pipe_write()".
 
 PR bin/56422 "zgrep -l sometimes hangs"
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.140.12.1 -r1.140.12.2 src/sys/kern/sys_pipe.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.