From e2be099118ebefb9d9849128226cd9b7787ca527 Mon Sep 17 00:00:00 2001
From: Noah Watkins <noahwatkins@gmail.com>
Date: Sun, 22 Sep 2013 11:02:34 -0700
Subject: [PATCH] compat: define replacement TEMP_FAILURE_RETRY

Not all platforms have it.

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
---
 src/common/safe_io.c     |  1 +
 src/include/compat.h     | 10 +++++++++-
 src/log/Log.cc           |  1 +
 src/mon/LogMonitor.cc    |  1 +
 src/tools/rados/rados.cc |  1 +
 5 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/common/safe_io.c b/src/common/safe_io.c
index 16cc7293d9cd3..0b31157cd5116 100644
--- a/src/common/safe_io.c
+++ b/src/common/safe_io.c
@@ -22,6 +22,7 @@
 #include <limits.h>
 
 #include "common/safe_io.h"
+#include "include/compat.h"
 
 ssize_t safe_read(int fd, void *buf, size_t count)
 {
diff --git a/src/include/compat.h b/src/include/compat.h
index a410acb35f613..f9fd9a6f1f0b5 100644
--- a/src/include/compat.h
+++ b/src/include/compat.h
@@ -15,8 +15,16 @@
 #if defined(__FreeBSD__)
 #define	lseek64(fd, offset, whence)	lseek(fd, offset, whence)
 #define	ENODATA	61
-#define	TEMP_FAILURE_RETRY
 #define	MSG_MORE 0
 #endif /* !__FreeBSD__ */
 
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) ({     \
+  typeof(expression) __result;                \
+  do {                                        \
+    __result = (expression);                  \
+  } while (__result == -1 && errno == EINTR); \
+  __result; })
+#endif
+
 #endif /* !CEPH_COMPAT_H */
diff --git a/src/log/Log.cc b/src/log/Log.cc
index afeb1208002e9..f500e3ebf0a27 100644
--- a/src/log/Log.cc
+++ b/src/log/Log.cc
@@ -13,6 +13,7 @@
 #include "common/safe_io.h"
 #include "common/Clock.h"
 #include "include/assert.h"
+#include "include/compat.h"
 
 #define DEFAULT_MAX_NEW    100
 #define DEFAULT_MAX_RECENT 10000
diff --git a/src/mon/LogMonitor.cc b/src/mon/LogMonitor.cc
index a545242577d29..b60656f5f92c9 100644
--- a/src/mon/LogMonitor.cc
+++ b/src/mon/LogMonitor.cc
@@ -30,6 +30,7 @@
 #include "common/config.h"
 #include "include/assert.h"
 #include "include/str_list.h"
+#include "include/compat.h"
 
 #define dout_subsys ceph_subsys_mon
 #undef dout_prefix
diff --git a/src/tools/rados/rados.cc b/src/tools/rados/rados.cc
index ad8eaa3e1a4a2..6c349ad87e196 100644
--- a/src/tools/rados/rados.cc
+++ b/src/tools/rados/rados.cc
@@ -42,6 +42,7 @@ using namespace librados;
 #include <locale>
 
 #include "cls/lock/cls_lock_client.h"
+#include "include/compat.h"
 
 int rados_tool_sync(const std::map < std::string, std::string > &opts,
                              std::vector<const char*> &args);
-- 
2.39.5