tests: Pipe.c Test Program

Hi Saied,

This patch adds your test in the criu test system.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/Makefile

@@ -13,7 +13,7 @@ all:
 
 .PHONY: all
 
-TESTS = unix-callback mem-snap rpc libcriu mounts/ext security
+TESTS = unix-callback mem-snap rpc libcriu mounts/ext security pipes
 
 other: .FORCE
 	for t in $(TESTS); do			\

test/pipes/Makefile

+CFLAGS += -Wall
+pipe: pipe.c
+clean:
+	rm -f pipe
+run:
+	./pipe - &&		\
+	./pipe -c &&		\
+	./pipe -cl &&		\
+	./pipe -d &&		\
+	./pipe -dc &&		\
+	./pipe -dcl &&		\
+	true