Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Zhangjin Wu <falcon@tinylab.org>
To:     thomas@t-8ch.de, w@1wt.eu
Cc:     falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org,
        linux-kselftest@vger.kernel.org
Subject: [PATCH v2 06/15] selftests/nolibc: stat_timestamps: remove procfs dependency
Date:   Fri, 30 Jun 2023 07:31:33 +0800
Message-Id: <6fae777966cf710321a8d8369a9194e00b72ecf6.1688078605.git.falcon@tinylab.org>
In-Reply-To: <cover.1688078604.git.falcon@tinylab.org>
References: <cover.1688078604.git.falcon@tinylab.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrgz:qybglogicsvrgz5a-1
Precedence: bulk

'/proc/self/' is a good path which doesn't have stale time info but it
is only available for CONFIG_PROC_FS=y.

For CONFIG_PROC_FS=n, Let's try '/init' for initramfs and '/' for the
others.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
 tools/testing/selftests/nolibc/nolibc-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 223c00e83abf..1d2be52d44a5 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -582,7 +582,7 @@ static int test_stat_timestamps(void)
 	if (sizeof(st.st_atim.tv_sec) != sizeof(st.st_atime))
 		return 1;
 
-	if (stat("/proc/self/", &st))
+	if (stat("/proc/self/", &st) && stat("/init", &st) && stat("/", &st))
 		return 1;
 
 	if (st.st_atim.tv_sec != st.st_atime || st.st_atim.tv_nsec > 1000000000)
-- 
2.25.1