[LTP] [PATCH v2 1/2] include/tst_test_macros.h: Add TST_EXP_PID and TST_EXP_PID_SILENT macros

[ice_yangxiao@163.com]

From: Xiao Yang <yangx.jy@fujitsu.com>

Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
---
 include/tst_test_macros.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/tst_test_macros.h b/include/tst_test_macros.h
index 189891507..101ac2c87 100644
--- a/include/tst_test_macros.h
+++ b/include/tst_test_macros.h
@@ -77,6 +77,17 @@ extern void *TST_RET_PTR;
 				#SCALL, ##__VA_ARGS__);                        \
 	} while (0)
 
+#define TST_EXP_PID_SILENT(SCALL, ...)	TST_EXP_FD_SILENT(SCALL, __VA_ARGS__)
+
+#define TST_EXP_PID(SCALL, ...)                                                \
+	do {                                                                   \
+		TST_EXP_PID_SILENT(SCALL, __VA_ARGS__);                        \
+									       \
+		if (TST_PASS)                                                  \
+			TST_MSGP_(TPASS, " returned pid %ld", TST_RET,         \
+				#SCALL, ##__VA_ARGS__);                        \
+	} while (0)
+
 #define TST_EXP_PASS_SILENT(SCALL, ...)                                        \
 	do {                                                                   \
 		TEST(SCALL);                                                   \
-- 
2.26.2