1 files changed, 57 insertions, 0 deletions
diff --git a/testcases/kernel/syscalls/eventfd/eventfd03.c b/testcases/kernel/syscalls/eventfd/eventfd03.c
new file mode 100644
index 000000000..452264cad
--- /dev/null
+++ b/testcases/kernel/syscalls/eventfd/eventfd03.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) International Business Machines  Corp., 2001
+ * Copyright (c) 2008 Vijay Kumar B. <vijaykumar@bravegnu.org>
+ * Copyright (c) Linux Test Project, 2008-2022
+ * Copyright (C) 2023 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/*\
+ * [Description]
+ *
+ * Test whether readfd is set by select() when eventfd() counter value is
+ * non-zero, then check if readfd is not set when eventfd() counter value is
+ * zero.
+ */
+
+#include <stdlib.h>
+#include <sys/eventfd.h>
+#include "tst_test.h"
+
+static void run(void)
+{
+	int fd;
+	uint64_t val;
+	fd_set readfds;
+	uint64_t non_zero = 10;
+	struct timeval timeout = { 0, 0 };
+
+	fd = TST_EXP_FD(eventfd(0, EFD_NONBLOCK));
+
+	FD_ZERO(&readfds);
+	FD_SET(fd, &readfds);
+
+	SAFE_WRITE(0, fd, &non_zero, sizeof(non_zero));
+	TEST(select(fd + 1, &readfds, NULL, NULL, &timeout));
+	if (TST_RET == -1)
+		tst_brk(TBROK | TERRNO, "select");
+
+	TST_EXP_EQ_LI(FD_ISSET(fd, &readfds), 1);
+
+	SAFE_READ(0, fd, &val, sizeof(val));
+	TEST(select(fd + 1, &readfds, NULL, NULL, &timeout));
+	if (TST_RET == -1)
+		tst_brk(TBROK | TERRNO, "select");
+
+	TST_EXP_EQ_LI(FD_ISSET(fd, &readfds), 0);
+
+	SAFE_CLOSE(fd);
+}
+
+static struct tst_test test = {
+	.test_all = run,
+	.needs_kconfigs = (const char *[]) {
+		"CONFIG_EVENTFD",
+		NULL
+	},
+};