Index: uspace/lib/c/Makefile
===================================================================
--- uspace/lib/c/Makefile	(revision 0b8fad2245012923c34d3392f1edf5059aa89abf)
+++ uspace/lib/c/Makefile	(revision 8be323084b791c62927f9cbb14696265246370dd)
@@ -70,4 +70,5 @@
 	generic/gsort.c \
 	generic/inttypes.c \
+	generic/ipc_test.c \
 	generic/loc.c \
 	generic/mem.c \
Index: uspace/lib/c/generic/ipc_test.c
===================================================================
--- uspace/lib/c/generic/ipc_test.c	(revision 8be323084b791c62927f9cbb14696265246370dd)
+++ uspace/lib/c/generic/ipc_test.c	(revision 8be323084b791c62927f9cbb14696265246370dd)
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2018 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+/** @addtogroup libc
+ * @{
+ */
+/** @file IPC test service API
+ */
+
+#include <abi/ipc/interfaces.h>
+#include <errno.h>
+#include <ipc/services.h>
+#include <ipc/ipc_test.h>
+#include <loc.h>
+#include <stdlib.h>
+#include <ipc_test.h>
+
+/** Create IPC test service session.
+ *
+ * @param rvol Place to store pointer to volume service session.
+ * @return     EOK on success, ENOMEM if out of memory, EIO if service
+ *             cannot be contacted.
+ */
+errno_t ipc_test_create(ipc_test_t **rtest)
+{
+	ipc_test_t *test;
+	service_id_t test_svcid;
+	errno_t rc;
+
+	test = calloc(1, sizeof(ipc_test_t));
+	if (test == NULL) {
+		rc = ENOMEM;
+		goto error;
+	}
+
+	rc = loc_service_get_id(SERVICE_NAME_IPC_TEST, &test_svcid, 0);
+	if (rc != EOK) {
+		rc = ENOENT;
+		goto error;
+	}
+
+	test->sess = loc_service_connect(test_svcid, INTERFACE_IPC_TEST, 0);
+	if (test->sess == NULL) {
+		rc = EIO;
+		goto error;
+	}
+
+	*rtest = test;
+	return EOK;
+error:
+	free(test);
+	return rc;
+}
+
+/** Destroy IPC test service session.
+ *
+ * @param test IPC test service session
+ */
+void ipc_test_destroy(ipc_test_t *test)
+{
+	if (test == NULL)
+		return;
+
+	async_hangup(test->sess);
+	free(test);
+}
+
+/** Simple ping.
+ *
+ * @param test IPC test service
+ * @return EOK on success or an error code
+ */
+errno_t ipc_test_ping(ipc_test_t *test)
+{
+	async_exch_t *exch;
+	errno_t retval;
+
+	exch = async_exchange_begin(test->sess);
+	retval = async_req_0_0(exch, IPC_TEST_PING);
+	async_exchange_end(exch);
+
+	if (retval != EOK)
+		return retval;
+
+	return EOK;
+}
+
+/** @}
+ */
Index: uspace/lib/c/include/ipc/ipc_test.h
===================================================================
--- uspace/lib/c/include/ipc/ipc_test.h	(revision 8be323084b791c62927f9cbb14696265246370dd)
+++ uspace/lib/c/include/ipc/ipc_test.h	(revision 8be323084b791c62927f9cbb14696265246370dd)
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2018 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+/** @addtogroup libcipc
+ * @{
+ */
+/** @file
+ */
+
+#ifndef LIBC_IPC_IPC_TEST_H_
+#define LIBC_IPC_IPC_TEST_H_
+
+#include <ipc/common.h>
+
+typedef enum {
+	IPC_TEST_PING = IPC_FIRST_USER_METHOD
+} ipc_test_request_t;
+
+#endif
+
+/** @}
+ */
Index: uspace/lib/c/include/ipc/services.h
===================================================================
--- uspace/lib/c/include/ipc/services.h	(revision 0b8fad2245012923c34d3392f1edf5059aa89abf)
+++ uspace/lib/c/include/ipc/services.h	(revision 8be323084b791c62927f9cbb14696265246370dd)
@@ -57,4 +57,5 @@
 #define SERVICE_NAME_DNSR     "net/dnsr"
 #define SERVICE_NAME_INET     "net/inet"
+#define SERVICE_NAME_IPC_TEST "ipc-test"
 #define SERVICE_NAME_NETCONF  "net/netconf"
 #define SERVICE_NAME_UDP      "net/udp"
Index: uspace/lib/c/include/ipc_test.h
===================================================================
--- uspace/lib/c/include/ipc_test.h	(revision 8be323084b791c62927f9cbb14696265246370dd)
+++ uspace/lib/c/include/ipc_test.h	(revision 8be323084b791c62927f9cbb14696265246370dd)
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+/** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+
+#ifndef LIBC_IPC_TEST_H_
+#define LIBC_IPC_TEST_H_
+
+#include <async.h>
+#include <errno.h>
+
+typedef struct {
+	async_sess_t *sess;
+} ipc_test_t;
+
+extern errno_t ipc_test_create(ipc_test_t **);
+extern void ipc_test_destroy(ipc_test_t *);
+extern errno_t ipc_test_ping(ipc_test_t *);
+
+#endif
+
+/** @}
+ */