From: Declan Doherty <declan.doherty@intel.com>
To: dev@dpdk.org
Cc: Anatoly Burakov <anatoly.burakov@intel.com>,
Declan Doherty <declan.doherty@intel.com>
Subject: [dpdk-dev] [RFC 2/4] examples: add c++ example application
Date: Tue, 2 Aug 2016 21:37:47 +0100 [thread overview]
Message-ID: <1470170269-20721-3-git-send-email-declan.doherty@intel.com> (raw)
In-Reply-To: <1470170269-20721-1-git-send-email-declan.doherty@intel.com>
From: Anatoly Burakov <anatoly.burakov@intel.com>
Example application for C++ compilation
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
examples/Makefile | 1 +
examples/helloworld-cpp/Makefile | 51 +++++++++++++++++++++
examples/helloworld-cpp/c_code.c | 5 ++
| 6 +++
examples/helloworld-cpp/cpp_code.cpp | 89 ++++++++++++++++++++++++++++++++++++
5 files changed, 152 insertions(+)
create mode 100644 examples/helloworld-cpp/Makefile
create mode 100644 examples/helloworld-cpp/c_code.c
create mode 100644 examples/helloworld-cpp/c_header.h
create mode 100644 examples/helloworld-cpp/cpp_code.cpp
diff --git a/examples/Makefile b/examples/Makefile
index 18b41b9..cb81c6c 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -46,6 +46,7 @@ endif
DIRS-y += ethtool
DIRS-y += exception_path
DIRS-y += helloworld
+DIRS-y += helloworld-cpp
DIRS-$(CONFIG_RTE_LIBRTE_PIPELINE) += ip_pipeline
ifeq ($(CONFIG_RTE_LIBRTE_LPM),y)
DIRS-$(CONFIG_RTE_IP_FRAG) += ip_reassembly
diff --git a/examples/helloworld-cpp/Makefile b/examples/helloworld-cpp/Makefile
new file mode 100644
index 0000000..f8f281c
--- /dev/null
+++ b/examples/helloworld-cpp/Makefile
@@ -0,0 +1,51 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Intel Corporation nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ifeq ($(RTE_SDK),)
+$(error "Please define RTE_SDK environment variable")
+endif
+
+# Default target, can be overriden by command line or environment
+RTE_TARGET ?= x86_64-native-linuxapp-gcc
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# binary name
+APP = helloworld-cpp
+
+# all source are stored in SRCS-y
+SRCS-y := c_code.c cpp_code.cpp
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+LDFLAGS += -lstdc++
+
+include $(RTE_SDK)/mk/rte.extapp.mk
diff --git a/examples/helloworld-cpp/c_code.c b/examples/helloworld-cpp/c_code.c
new file mode 100644
index 0000000..d349a3b
--- /dev/null
+++ b/examples/helloworld-cpp/c_code.c
@@ -0,0 +1,5 @@
+#include "c_header.h"
+
+int func(void) {
+ return 100500;
+}
--git a/examples/helloworld-cpp/c_header.h b/examples/helloworld-cpp/c_header.h
new file mode 100644
index 0000000..3668b60
--- /dev/null
+++ b/examples/helloworld-cpp/c_header.h
@@ -0,0 +1,6 @@
+#ifndef HEADER_H
+#define HEADER_H
+
+int func(void);
+
+#endif
diff --git a/examples/helloworld-cpp/cpp_code.cpp b/examples/helloworld-cpp/cpp_code.cpp
new file mode 100644
index 0000000..6919048
--- /dev/null
+++ b/examples/helloworld-cpp/cpp_code.cpp
@@ -0,0 +1,89 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * 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.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ * OWNER 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 <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_debug.h>
+
+#include <iostream>
+
+extern "C" {
+#include "c_header.h"
+};
+
+using namespace std;
+
+static int
+lcore_hello(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_id;
+ lcore_id = rte_lcore_id();
+ printf("hello from core %u\n", lcore_id);
+ return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ int ret;
+ unsigned lcore_id;
+
+ cout << "Hellow world from C++" << endl;
+
+ cout << "Output from C code: " << func() << endl;
+
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_panic("Cannot init EAL\n");
+
+ /* call lcore_hello() on every slave lcore */
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
+ }
+
+ /* call it on master lcore too */
+ lcore_hello(NULL);
+
+ rte_eal_mp_wait_lcore();
+ return 0;
+}
--
2.5.5
next prev parent reply other threads:[~2016-08-02 20:42 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 20:37 [dpdk-dev] [RFC 0/4] Use Google Test as DPDK unit test framework Declan Doherty
2016-08-02 20:37 ` [dpdk-dev] [RFC 1/4] mk: Add support for C++ compilation Declan Doherty
2016-08-02 20:37 ` Declan Doherty [this message]
2016-08-02 20:37 ` [dpdk-dev] [RFC 3/4] eal: add command line option to log output to stdout Declan Doherty
2016-08-03 11:25 ` Neil Horman
2016-08-02 20:37 ` [dpdk-dev] [RFC 4/4] app/test-gtest: example google test application Declan Doherty
2016-08-02 21:52 ` [dpdk-dev] [RFC 0/4] Use Google Test as DPDK unit test framework Thomas Monjalon
2016-08-03 9:16 ` Remy Horton
2016-08-03 9:57 ` Doherty, Declan
2016-08-03 12:51 ` Neil Horman
2016-08-03 20:46 ` Ming Zhao
2016-08-04 19:47 ` Jim Murphy
2016-08-04 19:55 ` Wiles, Keith
2016-08-05 7:42 ` Thomas Monjalon
2016-08-05 7:41 ` Yerden Zhumabekov
2016-08-05 9:11 ` Remy Horton
2016-08-05 12:59 ` Neil Horman
2016-08-05 14:54 ` Remy Horton
2016-08-03 11:31 ` Neil Horman
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