summaryrefslogtreecommitdiffstats
path: root/tools/build
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2017-12-05 10:14:42 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-12-05 10:21:59 -0300
commit25ab5abf5b141d7fd13eed506c7458aa04749c29 (patch)
tree051064be8b022c964873372404fc3f4b86c4e6f4 /tools/build
parent3b2323c2c1c4acf8961cfcdddcee9889daaa21e3 (diff)
downloadlinux-25ab5abf5b141d7fd13eed506c7458aa04749c29.tar.bz2
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>
Diffstat (limited to 'tools/build')
-rw-r--r--tools/build/Makefile.feature1
-rw-r--r--tools/build/feature/Makefile4
-rw-r--r--tools/build/feature/test-all.c5
-rw-r--r--tools/build/feature/test-pthread-barrier.c12
4 files changed, 22 insertions, 0 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index c71a05b9c984..e52fcefee379 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -56,6 +56,7 @@ FEATURE_TESTS_BASIC := \
libunwind-arm \
libunwind-aarch64 \
pthread-attr-setaffinity-np \
+ pthread-barrier \
stackprotector-all \
timerfd \
libdw-dwarf-unwind \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 96982640fbf8..cff38f342283 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -37,6 +37,7 @@ FILES= \
test-libunwind-debug-frame-arm.bin \
test-libunwind-debug-frame-aarch64.bin \
test-pthread-attr-setaffinity-np.bin \
+ test-pthread-barrier.bin \
test-stackprotector-all.bin \
test-timerfd.bin \
test-libdw-dwarf-unwind.bin \
@@ -79,6 +80,9 @@ $(OUTPUT)test-hello.bin:
$(OUTPUT)test-pthread-attr-setaffinity-np.bin:
$(BUILD) -D_GNU_SOURCE -lpthread
+$(OUTPUT)test-pthread-barrier.bin:
+ $(BUILD) -lpthread
+
$(OUTPUT)test-stackprotector-all.bin:
$(BUILD) -fstack-protector-all
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 4112702e4aed..6fdf83263ab7 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -118,6 +118,10 @@
# include "test-pthread-attr-setaffinity-np.c"
#undef main
+#define main main_test_pthread_barrier
+# include "test-pthread-barrier.c"
+#undef main
+
#define main main_test_sched_getcpu
# include "test-sched_getcpu.c"
#undef main
@@ -187,6 +191,7 @@ int main(int argc, char *argv[])
main_test_sync_compare_and_swap(argc, argv);
main_test_zlib();
main_test_pthread_attr_setaffinity_np();
+ main_test_pthread_barrier();
main_test_lzma();
main_test_get_cpuid();
main_test_bpf();
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);
+}