1 files changed, 133 insertions, 0 deletions
diff --git a/tests/sys/file/fcntlflags_test.c b/tests/sys/file/fcntlflags_test.c
new file mode 100644
index 000000000000..15a18c113c4a
--- /dev/null
+++ b/tests/sys/file/fcntlflags_test.c
@@ -0,0 +1,133 @@
+/*-
+ * Copyright (c) 2013 Jilles Tjoelker
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/filio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+/*
+ * O_ACCMODE is currently defined incorrectly. This is what it should be.
+ * Various code depends on the incorrect value.
+ */
+#define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC)
+
+static void
+basic_tests(const char *path, int omode, const char *omodetext)
+{
+	int fd, flags1, flags2, flags3;
+
+	fd = open(path, omode);
+	ATF_REQUIRE_MSG(fd != -1, "open(\"%s\", %s) failed: %s", path,
+	    omodetext, strerror(errno));
+
+	flags1 = fcntl(fd, F_GETFL);
+	ATF_REQUIRE_MSG(flags1 != -1, "fcntl(F_GETFL) (1) failed: %s",
+	    strerror(errno));
+	ATF_REQUIRE_INTEQ(omode, flags1 & CORRECT_O_ACCMODE);
+	ATF_REQUIRE((flags1 & O_NONBLOCK) == 0);
+
+	ATF_REQUIRE_MSG(fcntl(fd, F_SETFL, flags1) != -1,
+	    "fcntl(F_SETFL) same flags failed: %s", strerror(errno));
+
+	flags2 = fcntl(fd, F_GETFL);
+	ATF_REQUIRE_MSG(flags2 != -1, "fcntl(F_GETFL) (2) failed: %s",
+	    strerror(errno));
+	ATF_REQUIRE_INTEQ(flags1, flags2);
+
+	ATF_REQUIRE_MSG(fcntl(fd, F_SETFL, flags2 | O_NONBLOCK) != -1,
+	    "fcntl(F_SETFL) O_NONBLOCK failed: %s", strerror(errno));
+
+	flags3 = fcntl(fd, F_GETFL);
+	ATF_REQUIRE_MSG(flags3 != -1, "fcntl(F_GETFL) (3) failed: %s",
+	    strerror(errno));
+	ATF_REQUIRE_INTEQ(flags2 | O_NONBLOCK, flags3);
+
+	(void)close(fd);
+}
+
+ATF_TC_WITHOUT_HEAD(read_only_null);
+ATF_TC_BODY(read_only_null, tc)
+{
+	basic_tests("/dev/null", O_RDONLY, "O_RDONLY");
+}
+
+ATF_TC_WITHOUT_HEAD(write_only_null);
+ATF_TC_BODY(write_only_null, tc)
+{
+	basic_tests("/dev/null", O_WRONLY, "O_WRONLY");
+}
+
+ATF_TC_WITHOUT_HEAD(read_write_null);
+ATF_TC_BODY(read_write_null, tc)
+{
+	basic_tests("/dev/null", O_RDWR, "O_RDWR");
+}
+
+ATF_TC_WITHOUT_HEAD(exec_only_sh);
+ATF_TC_BODY(exec_only_sh, tc)
+{
+	basic_tests("/bin/sh", O_EXEC, "O_EXEC");
+}
+
+ATF_TC_WITHOUT_HEAD(fioasync_dev_null);
+ATF_TC_BODY(fioasync_dev_null, tc)
+{
+	int fd, flags1, flags2, val;
+
+	fd = open("/dev/null", O_RDONLY);
+	ATF_REQUIRE_MSG(fd != -1, "open(\"/dev/null\") failed: %s",
+	    strerror(errno));
+
+	flags1 = fcntl(fd, F_GETFL);
+	ATF_REQUIRE_MSG(flags1 != -1, "fcntl(F_GETFL) (1) failed: %s",
+	    strerror(errno));
+	ATF_REQUIRE((flags1 & O_ASYNC) == 0);
+
+	val = 1;
+	ATF_REQUIRE_ERRNO(EINVAL, ioctl(fd, FIOASYNC, &val) == -1);
+
+	flags2 = fcntl(fd, F_GETFL);
+	ATF_REQUIRE_MSG(flags2 != -1, "fcntl(F_GETFL) (2) failed: %s",
+	    strerror(errno));
+	ATF_REQUIRE_INTEQ(flags1, flags2);
+
+	(void)close(fd);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, read_only_null);
+	ATF_TP_ADD_TC(tp, write_only_null);
+	ATF_TP_ADD_TC(tp, read_write_null);
+	ATF_TP_ADD_TC(tp, exec_only_sh);
+	ATF_TP_ADD_TC(tp, fioasync_dev_null);
+
+	return (atf_no_error());
+}