[LTP] [PATCH 3/3] epoll_pwait2: Add test for epoll_pwait202

Xie Ziyao
2021-06-28T08:04:24Z

Check that epoll_pwait2 timeouts correctly.

Signed-off-by: Xie Ziyao <xieziyao@huawei.com>
---
runtest/syscalls | 1 +
.../kernel/syscalls/epoll_pwait2/.gitignore | 1 +
.../syscalls/epoll_pwait2/epoll_pwait202.c | 76 +++++++++++++++++++
3 files changed, 78 insertions(+)
create mode 100644 testcases/kernel/syscalls/epoll_pwait2/epoll_pwait202.c

diff --git a/runtest/syscalls b/runtest/syscalls
index 8a6b8ba20..f63e57fee 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -167,6 +167,7 @@ epoll_wait02 epoll_wait02
epoll_wait03 epoll_wait03
epoll_pwait01 epoll_pwait01
epoll_pwait201 epoll_pwait201
+epoll_pwait202 epoll_pwait202

eventfd01 eventfd01

diff --git a/testcases/kernel/syscalls/epoll_pwait2/.gitignore b/testcases/kernel/syscalls/epoll_pwait2/.gitignore
index 2298cf9d9..8b2c314ea 100644
--- a/testcases/kernel/syscalls/epoll_pwait2/.gitignore
+++ b/testcases/kernel/syscalls/epoll_pwait2/.gitignore
@@ -1 +1,2 @@
epoll_pwait201
+epoll_pwait202
diff --git a/testcases/kernel/syscalls/epoll_pwait2/epoll_pwait202.c b/testcases/kernel/syscalls/epoll_pwait2/epoll_pwait202.c
new file mode 100644
index 000000000..2b0d5dd5b
--- /dev/null
+++ b/testcases/kernel/syscalls/epoll_pwait2/epoll_pwait202.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2021 HUAWEI LIMITED
+ * Author: Xie Ziyao <xieziyao@huawei.com>
+ */
+
+/*\
+ * [Description]
+ *
+ * Check that epoll_pwait2 timeouts correctly.
+ */
+
+#include <sys/epoll.h>
+
+#include "tst_timer_test.h"
+#include "lapi/epoll.h"
+
+static int efd, sfd[2];
+static struct epoll_event e;
+static struct __kernel_timespec ts;
+
+int sample_fn(int clk_id, long long usec)
+{
+ if (usec >= 1000000) {
+ ts.tv_sec = usec / 1000000;
+ ts.tv_nsec = 0;
+ } else {
+ ts.tv_sec = 0;
+ ts.tv_nsec = usec * 1000;
+ }
+
+ tst_timer_start(clk_id);
+ TEST(tst_syscall(__NR_epoll_pwait2, efd, &e, 1, &ts, NULL, 0));
+ tst_timer_stop();
+ tst_timer_sample();
+
+ if (TST_RET != 0) {
+ tst_res(TFAIL | TTERRNO,
+ "epoll_pwait2() returned %li, expected 0", TST_RET);
+ return 1;
+ }
+
+ return 0;
+}
+
+static void setup(void)
+{
+ SAFE_SOCKETPAIR(AF_UNIX, SOCK_STREAM, 0, sfd);
+
+ efd = epoll_create(1);
+ if (efd == -1)
+ tst_brk(TBROK | TERRNO, "epoll_create()");
+
+ e.events = EPOLLIN;
+ if (epoll_ctl(efd, EPOLL_CTL_ADD, sfd[0], &e))
+ tst_brk(TBROK | TERRNO, "epoll_clt(..., EPOLL_CTL_ADD, ...)");
+}
+
+static void cleanup(void)
+{
+ if (efd > 0)
+ SAFE_CLOSE(efd);
+
+ if (sfd[0] > 0)
+ SAFE_CLOSE(sfd[0]);
+
+ if (sfd[1] > 0)
+ SAFE_CLOSE(sfd[1]);
+}
+
+static struct tst_test test = {
+ .scall = "epoll_pwait2()",
+ .sample = sample_fn,
+ .setup = setup,
+ .cleanup = cleanup,
+};
--
2.17.1