From 25ab5abf5b141d7fd13eed506c7458aa04749c29 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 5 Dec 2017 10:14:42 -0300
Subject: tools build feature: Check if pthread_barrier_t is available

As 'perf bench futex wake-parallel" will use this, which is not
available in older systems such as versions of the android NDK used in
my container build tests (r12b and r15c at the moment).

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: James Yang <james.yang@arm.com
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-1i7iv54in4wj08lwo55b0pzv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/build/feature/test-pthread-barrier.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 tools/build/feature/test-pthread-barrier.c

(limited to 'tools/build/feature/test-pthread-barrier.c')

diff --git a/tools/build/feature/test-pthread-barrier.c b/tools/build/feature/test-pthread-barrier.c
new file mode 100644
index 000000000000..0558d9334d97
--- /dev/null
+++ b/tools/build/feature/test-pthread-barrier.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <pthread.h>
+
+int main(void)
+{
+	pthread_barrier_t barrier;
+
+	pthread_barrier_init(&barrier, NULL, 1);
+	pthread_barrier_wait(&barrier);
+	return pthread_barrier_destroy(&barrier);
+}
-- 
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