testsuite/cdev01: Add test for cdev functions.

libbsd.py

@@ -2548,6 +2548,7 @@ def tests(mm):
     mod.addTest(mm.generator['test']('log01', ['test_main']))
     mod.addTest(mm.generator['test']('rcconf01', ['test_main']))
     mod.addTest(mm.generator['test']('rcconf02', ['test_main']))
+    mod.addTest(mm.generator['test']('cdev01', ['test_main', 'test_cdev']))
     return mod
 
 #

libbsd_waf.py

@@ -1205,6 +1205,17 @@ def build(bld):
                 lib = ["m", "z"],
                 install_path = None)
 
+    test_cdev01 = ['testsuite/cdev01/test_cdev.c',
+                   'testsuite/cdev01/test_main.c']
+    bld.program(target = "cdev01.exe",
+                features = "cprogram",
+                cflags = cflags,
+                includes = includes,
+                source = test_cdev01,
+                use = ["bsd"],
+                lib = ["m", "z"],
+                install_path = None)
+
     test_commands01 = ['testsuite/commands01/test_main.c']
     bld.program(target = "commands01.exe",
                 features = "cprogram",

testsuite/cdev01/test_cdev.c

@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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 <machine/rtems-bsd-kernel-space.h>
+#include <sys/types.h>
+#include <sys/conf.h>
+
+#include <rtems/seterr.h>
+
+#include <assert.h>
+
+#include "test_cdev01.h"
+
+static	d_open_t	testopen;
+static	d_close_t	testclose;
+static	d_read_t	testread;
+static	d_write_t	testwrite;
+static	d_ioctl_t	testioctl;
+static	d_poll_t	testpoll;
+static	d_kqfilter_t	testkqfilter;
+
+static struct cdevsw test_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_flags =	0,
+/* FIXME: check for  D_PSEUDO | D_NEEDMINOR | D_NEEDGIANT | D_TRACKCLOSE */
+	.d_name =	"test",
+	.d_open =	testopen,
+	.d_close =	testclose,
+	.d_read =	testread,
+	.d_write =	testwrite,
+	.d_ioctl =	testioctl,
+	.d_poll =	testpoll,
+	.d_kqfilter =	testkqfilter,
+};
+
+static	int
+testopen(struct cdev *dev, int oflags, int devtype, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_NEW);
+	*state = TEST_OPEN;
+
+	return 0;
+}
+
+static	int
+testclose(struct cdev *dev, int fflag, int devtype, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_KQFILTER);
+	*state = TEST_CLOSED;
+
+	return 0;
+}
+
+static	int
+testread(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_OPEN || *state == TEST_IOCTL);
+	if(*state == TEST_OPEN) {
+		*state = TEST_READ;
+	} else {
+		*state = TEST_READV;
+	}
+
+	return 0;
+}
+
+static	int
+testwrite(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_READ || *state == TEST_READV);
+	if(*state == TEST_READ) {
+		*state = TEST_WRITE;
+	} else {
+		*state = TEST_WRITEV;
+	}
+
+	return 0;
+}
+
+static	int
+testioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
+    struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(cmd == TEST_IOCTL_CMD);
+	assert(*state == TEST_WRITE);
+	*state = TEST_IOCTL;
+
+	return 0;
+}
+
+static	int
+testpoll(struct cdev *dev, int events, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_WRITEV);
+	*state = TEST_POLL;
+
+	return 1;
+}
+
+static	int
+testkqfilter(struct cdev *dev, struct knote *kn)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_POLL);
+	*state = TEST_KQFILTER;
+
+	return TEST_KQ_ERRNO;
+}
+
+void
+test_make_dev(test_state *state, const char *name)
+{
+	struct cdev *dev = NULL;
+
+	dev = make_dev(&test_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, name);
+	assert(dev != NULL);
+	dev->si_drv1 = state;
+}

testsuite/cdev01/test_cdev01.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ */
+
+#ifndef TEST_CDEV01_H
+#define TEST_CDEV01_H
+
+typedef enum {
+	TEST_NEW,
+	TEST_OPEN,
+	TEST_READ,
+	TEST_WRITE,
+	TEST_IOCTL,
+	TEST_READV,
+	TEST_WRITEV,
+	TEST_POLL,
+	TEST_KQFILTER,
+	TEST_CLOSED
+} test_state;
+
+void test_make_dev(test_state *state, const char *name);
+
+#define TEST_IOCTL_CMD 0x12344321
+#define TEST_KQ_ERRNO ENOTTY /* This should never happen in normal kq */
+#define TEST_UDATA ((void *) 0xcafe)
+
+#endif /* TEST_CDEV01_H */

testsuite/cdev01/test_main.c

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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/types.h>
+#include <sys/event.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/ioctl.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "test_cdev01.h"
+
+#define TEST_NAME "LIBBSD CDEV 1"
+
+static void test_cdev(void)
+{
+	const char *name = "test";
+	const char *path = "/dev/test";
+	const struct timespec *timeout = NULL;
+
+	test_state state = TEST_NEW;
+	int rv = 0;
+	int fd = 0;
+	char buf[1];
+	ssize_t n = 0;
+	off_t off = 0;
+	struct iovec iov = {
+	    .iov_base = &buf [0],
+	    .iov_len = (int) sizeof(buf)
+	};
+	struct pollfd fds[1];
+	int kq;
+	struct kevent change;
+
+	test_make_dev(&state, name);
+
+	fd = open(path, O_RDWR);
+	assert(fd >= 0);
+	fds[0].fd = fd;
+	fds[0].events = POLLOUT | POLLIN;
+
+	n = read(fd, buf, sizeof(buf));
+	assert(n == 0);
+
+	n = write(fd, buf, sizeof(buf));
+	assert(n == 0);
+
+	rv = ioctl(fd, TEST_IOCTL_CMD);
+	assert(rv == 0);
+
+	off = lseek(fd, off, SEEK_SET);
+	assert(off == 0);
+
+	rv = ftruncate(fd, 0);
+	assert(rv == -1);
+	assert(errno == EINVAL);
+
+	rv = fsync(fd);
+	assert(rv == -1);
+	assert(errno == EINVAL);
+
+	rv = fdatasync(fd);
+	assert(rv == -1);
+	assert(errno == EINVAL);
+
+	rv = fcntl(fd, F_GETFD);
+	assert(rv >= 0);
+
+	rv = readv(fd, &iov, 1);
+	assert(rv == 0);
+
+	rv = writev(fd, &iov, 1);
+	assert(rv == 0);
+
+	rv = poll(fds, sizeof(fds)/sizeof(fds[0]), 500);
+	assert(rv > 0);
+
+	kq = kqueue();
+	assert(kq >= 0);
+
+	EV_SET(&change, fd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0, TEST_UDATA);
+
+	rv = kevent(kq, &change, 1, NULL, 0, timeout);
+	assert(rv == -1);
+	assert(errno == TEST_KQ_ERRNO);
+
+	rv = close(fd);
+	assert(rv == 0);
+
+	rv = unlink(path);
+	assert(rv == 0);
+
+	assert(state == TEST_CLOSED);
+}
+
+static void
+test_main(void)
+{
+	test_cdev();
+
+	exit(0);
+}
+
+#include <rtems/bsd/test/default-init.h>