[PATCH v2 1/2] test-online-cpus: helper to return cpu count

[git@jeffhostetler.com]

From: Jeff Hostetler <jeffhost@microsoft.com>

Created helper executable to print the value of online_cpus()
allowing multi-threaded tests to be skipped when appropriate.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
---
 Makefile                    | 1 +
 t/helper/.gitignore         | 1 +
 t/helper/test-online-cpus.c | 8 ++++++++
 3 files changed, 10 insertions(+)
 create mode 100644 t/helper/test-online-cpus.c

diff --git a/Makefile b/Makefile
index 9b36068..3bb31e9 100644
--- a/Makefile
+++ b/Makefile
@@ -626,6 +626,7 @@ TEST_PROGRAMS_NEED_X += test-line-buffer
 TEST_PROGRAMS_NEED_X += test-match-trees
 TEST_PROGRAMS_NEED_X += test-mergesort
 TEST_PROGRAMS_NEED_X += test-mktemp
+TEST_PROGRAMS_NEED_X += test-online-cpus
 TEST_PROGRAMS_NEED_X += test-parse-options
 TEST_PROGRAMS_NEED_X += test-path-utils
 TEST_PROGRAMS_NEED_X += test-prio-queue
diff --git a/t/helper/.gitignore b/t/helper/.gitignore
index 758ed2e..b05d67c 100644
--- a/t/helper/.gitignore
+++ b/t/helper/.gitignore
@@ -16,6 +16,7 @@
 /test-match-trees
 /test-mergesort
 /test-mktemp
+/test-online-cpus
 /test-parse-options
 /test-path-utils
 /test-prio-queue
diff --git a/t/helper/test-online-cpus.c b/t/helper/test-online-cpus.c
new file mode 100644
index 0000000..c881073
--- /dev/null
+++ b/t/helper/test-online-cpus.c
@@ -0,0 +1,8 @@
+#include "stdio.h"
+#include "thread-utils.h"
+
+int cmd_main(int argc, const char **argv)
+{
+	printf("%d\n", online_cpus());
+	return 0;
+}
-- 
2.9.3