From 2cea1ba6faad510bbb6685a0d054df41b0209e65 Mon Sep 17 00:00:00 2001
From: Peizhao Ou <peizhaoo@uci.edu>
Date: Wed, 7 Dec 2016 13:26:56 -0800
Subject: [PATCH] patches that old versions of the benchmarks (mcs-lock, rcu &
 seqlock) used

---
 mcs-lock/mcs-lock.cc.patch    |  4 ++++
 read-copy-update/rcu.cc.patch | 12 ++++++++++++
 read-copy-update/rcu.h.patch  |  6 ++++++
 seqlock/seqlock.cc.patch      | 16 ++++++++++++++++
 4 files changed, 38 insertions(+)
 create mode 100644 mcs-lock/mcs-lock.cc.patch
 create mode 100644 read-copy-update/rcu.cc.patch
 create mode 100644 read-copy-update/rcu.h.patch
 create mode 100644 seqlock/seqlock.cc.patch

diff --git a/mcs-lock/mcs-lock.cc.patch b/mcs-lock/mcs-lock.cc.patch
new file mode 100644
index 0000000..14ecec9
--- /dev/null
+++ b/mcs-lock/mcs-lock.cc.patch
@@ -0,0 +1,4 @@
+81c81
+< 			tail_was_me,NULL,std::mo_release) ) {
+---
+> 			tail_was_me,NULL,std::mo_acq_rel) ) {
diff --git a/read-copy-update/rcu.cc.patch b/read-copy-update/rcu.cc.patch
new file mode 100644
index 0000000..4754c2c
--- /dev/null
+++ b/read-copy-update/rcu.cc.patch
@@ -0,0 +1,12 @@
+21,22c21,22
+< 	*data1 = res->data1;
+< 	*data2 = res->data2;
+---
+> 	*data1 = res->data1.load(memory_order_relaxed);
+> 	*data2 = res->data2.load(memory_order_relaxed);
+27,28c27,28
+< 	newPtr->data1 = prev->data1 + d1;
+< 	newPtr->data2 = prev->data2 + d2;
+---
+> 	newPtr->data1.store(prev->data1.load(memory_order_relaxed) + d1, memory_order_relaxed);
+> 	newPtr->data2.store(prev->data2.load(memory_order_relaxed) + d2, memory_order_relaxed);
diff --git a/read-copy-update/rcu.h.patch b/read-copy-update/rcu.h.patch
new file mode 100644
index 0000000..c65f3e7
--- /dev/null
+++ b/read-copy-update/rcu.h.patch
@@ -0,0 +1,6 @@
+14,15c14,15
+< 	int data1;
+< 	int data2;
+---
+> 	atomic_int data1;
+> 	atomic_int data2;
diff --git a/seqlock/seqlock.cc.patch b/seqlock/seqlock.cc.patch
new file mode 100644
index 0000000..cad8153
--- /dev/null
+++ b/seqlock/seqlock.cc.patch
@@ -0,0 +1,16 @@
+23c23
+<             thrd_yield();
+---
+>             //thrd_yield();
+38c38
+<             thrd_yield();
+---
+>             //thrd_yield();
+54c54
+<             thrd_yield();
+---
+>             //thrd_yield();
+61c61
+<             thrd_yield();
+---
+>             //thrd_yield();
-- 
2.34.1