File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/tools/perf/util/cloexec.h b/tools/perf/util/cloexec.h
new file mode 100644
index 0000000..3bee677
--- /dev/null
+++ b/tools/perf/util/cloexec.h
@@ -0,0 +1,12 @@
+#ifndef __PERF_CLOEXEC_H
+#define __PERF_CLOEXEC_H
+
+unsigned long perf_event_open_cloexec_flag(void);
+
+#ifdef __GLIBC_PREREQ
+#if !__GLIBC_PREREQ(2, 6) && !defined(__UCLIBC__)
+extern int sched_getcpu(void) __THROW;
+#endif
+#endif
+
+#endif /* __PERF_CLOEXEC_H */