From c7080bf144e6cd237f344707cca5141059c69233 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 19 Aug 2018 18:56:50 -0700
Subject: [PATCH] ircd::db: Disable interruption for these env surfaces.

---
 ircd/db.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/ircd/db.cc b/ircd/db.cc
index bf7eadb6b..45061b6e6 100644
--- a/ircd/db.cc
+++ b/ircd/db.cc
@@ -1862,6 +1862,8 @@ ircd::db::database::env::NewRandomAccessFile(const std::string& name,
                                              const EnvOptions& options)
 noexcept
 {
+	ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -2402,6 +2404,8 @@ ircd::db::database::env::SetBackgroundThreads(int num,
                                               Priority prio)
 noexcept
 {
+	ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -2434,6 +2438,8 @@ ircd::db::database::env::IncBackgroundThreadsIfNeeded(int num,
                                                       Priority prio)
 noexcept
 {
+	ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -2932,6 +2938,8 @@ ircd::db::database::env::random_access_file::Prefetch(uint64_t offset,
                                                       size_t length)
 noexcept try
 {
+	const ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -2968,6 +2976,8 @@ ircd::db::database::env::random_access_file::Read(uint64_t offset,
                                                   char *scratch)
 const noexcept try
 {
+	const ctx::uninterruptible::nothrow ui;
+
 	assert(result);
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
@@ -3018,6 +3028,8 @@ ircd::db::database::env::random_access_file::InvalidateCache(size_t offset,
                                                              size_t length)
 noexcept
 {
+	const ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -3037,6 +3049,8 @@ ircd::db::database::env::random_access_file::GetUniqueId(char* id,
                                                          size_t max_size)
 const noexcept
 {
+	const ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{
@@ -3055,6 +3069,8 @@ void
 ircd::db::database::env::random_access_file::Hint(AccessPattern pattern)
 noexcept
 {
+	const ctx::uninterruptible::nothrow ui;
+
 	#ifdef RB_DEBUG_DB_ENV
 	log::debug
 	{