Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 684 insertions, 0 deletions

diff --git a/src/blkin/blkin-lib/tests/CMakeLists.txt b/src/blkin/blkin-lib/tests/CMakeLists.txt
new file mode 100644
index 000000000..d69cec3da
--- /dev/null
+++ b/src/blkin/blkin-lib/tests/CMakeLists.txt
@@ -0,0 +1,15 @@
+#test
+add_executable(testc test.c)
+target_link_libraries(testc blkin lttng-ust)
+add_test(NAME testc COMMAND $<TARGET_FILE:testc>)
+
+#testpp
+add_executable(testpp test.cc)
+set_target_properties(testpp PROPERTIES COMPILE_FLAGS "-std=c++11")
+target_link_libraries(testpp blkin lttng-ust pthread)
+add_test(NAME testpp COMMAND $<TARGET_FILE:testpp>)
+
+#testppp
+add_executable(testppp test_p.cc)
+target_link_libraries(testppp blkin lttng-ust)
+add_test(NAME testppp COMMAND $<TARGET_FILE:testppp>)
diff --git a/src/blkin/blkin-lib/tests/Makefile b/src/blkin/blkin-lib/tests/Makefile
new file mode 100644
index 000000000..bed3fc869
--- /dev/null
+++ b/src/blkin/blkin-lib/tests/Makefile
@@ -0,0 +1,55 @@
+# Copyright 2014 Marios Kogias <marioskogias@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+#   1. Redistributions of source code must retain the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer.
+#   2. Redistributions in binary form must reproduce the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer in the documentation and/or other materials
+#      provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+.PHONY: default clean distclean run run_c run_pp
+
+LIB_DIR=$(shell pwd)/..
+DLIB=$(LIB_DIR)/libblkin
+
+test: test.c $(DLIB).so
+	gcc test.c -o test -g -I$(LIB_DIR) -L$(LIB_DIR) -lblkin
+
+testpp: test.cc $(DLIB).so
+	LD_LIBRARY_PATH=$(LIB_DIR) g++ $< -o testpp -std=c++11 -g -I$(LIB_DIR) -L$(LIB_DIR) -lblkin -lpthread
+
+testppp: test_p.cc $(DLIB).so
+	LD_LIBRARY_PATH=$(LIB_DIR) g++ $< -o testppp -g -I$(LIB_DIR) -L$(LIB_DIR) -lblkin
+
+run_c:
+	LD_LIBRARY_PATH=$(LIB_DIR) ./test
+
+run_pp:
+	LD_LIBRARY_PATH=$(LIB_DIR) ./testpp
+
+run_ppp:
+	LD_LIBRARY_PATH=$(LIB_DIR) ./testppp
+
+run: run_c run_pp
+
+clean:
+	rm -f *.o *.so test testpp testppp socket
diff --git a/src/blkin/blkin-lib/tests/test.c b/src/blkin/blkin-lib/tests/test.c
new file mode 100644
index 000000000..2cabd99bf
--- /dev/null
+++ b/src/blkin/blkin-lib/tests/test.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2014 Marios Kogias <marioskogias@gmail.com>
+ * 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 COPYRIGHT HOLDERS ``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 HOLDER 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.
+ */
+/*
+ * In this example we have 2 processes communicating over a unix socket.
+ * We are going to trace the communication with our library
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <zipkin_c.h>
+
+#define SOCK_PATH "/tmp/socket"
+
+struct message {
+    char actual_message[20];
+    struct blkin_trace_info trace_info;
+};
+
+void process_a() 
+{
+    int i, r;
+    printf("I am process A: %d\n", getpid());
+
+    r = blkin_init();
+    if (r < 0) {
+	    fprintf(stderr, "Could not initialize blkin\n");
+	    exit(1);
+    }
+
+    /*initialize endpoint*/
+    struct blkin_endpoint endp;
+    blkin_init_endpoint(&endp, "10.0.0.1", 5000, "service a");
+
+    struct blkin_trace trace;
+    struct blkin_annotation ant;
+    struct message msg = {.actual_message = "message"};
+    char ack;
+
+    /*create and bind socket*/
+    int s, s2, len;
+    socklen_t t;
+    struct sockaddr_un local, remote;
+
+    if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+        perror("socket");
+        exit(1);
+    }
+
+    local.sun_family = AF_UNIX;
+    strcpy(local.sun_path, SOCK_PATH);
+    unlink(local.sun_path);
+    len = strlen(local.sun_path) + sizeof(local.sun_family);
+    if (bind(s, (struct sockaddr *)&local, len) == -1) {
+        perror("bind");
+        exit(1);
+    }
+
+    if (listen(s, 5) == -1) {
+        perror("listen");
+        exit(1);
+    }
+
+    printf("Waiting for a connection...\n");
+    t = sizeof(remote);
+    if ((s2 = accept(s, (struct sockaddr *)&remote, &t)) == -1) {
+        perror("accept");
+        exit(1);
+    }
+
+    printf("Connected.\n");
+    
+    for (i=0;i<10;i++) {
+
+        /*create trace*/
+        blkin_init_new_trace(&trace, "process a", &endp);
+
+        blkin_init_timestamp_annotation(&ant, "start", &endp);
+        blkin_record(&trace, &ant);
+
+        /*set trace fields to message*/
+        blkin_get_trace_info(&trace, &msg.trace_info);
+
+        /*send*/
+        send(s2, &msg, sizeof(struct message), 0);
+
+        /*wait for ack*/
+        recv(s2, &ack, 1, 0);
+
+        /*create annotation and log*/
+        blkin_init_timestamp_annotation(&ant, "end", &endp);
+        blkin_record(&trace, &ant);
+    }
+    close(s2);
+}
+
+void process_b() 
+{
+    int i, r;
+    printf("I am process B: %d\n", getpid());
+
+    r = blkin_init();
+    if (r < 0) {
+	    fprintf(stderr, "Could not initialize blkin\n");
+	    exit(1);
+    }
+    /*initialize endpoint*/
+    struct blkin_endpoint endp;
+    blkin_init_endpoint(&endp, "10.0.0.2", 5001, "service b");
+
+    struct blkin_trace trace;
+    struct blkin_annotation ant;
+    struct message msg;
+    int s, len;
+    struct sockaddr_un remote;
+
+    /*Connect*/
+    if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+        perror("socket");
+        exit(1);
+    }
+
+    printf("Trying to connect...\n");
+
+    remote.sun_family = AF_UNIX;
+    strcpy(remote.sun_path, SOCK_PATH);
+    len = strlen(remote.sun_path) + sizeof(remote.sun_family);
+    if (connect(s, (struct sockaddr *)&remote, len) == -1) {
+        perror("connect");
+        exit(1);
+    }
+
+    printf("Connected.\n");
+
+    for (i=0;i<10;i++) {
+        recv(s, &msg, sizeof(struct message), 0);
+
+        /*create child trace*/
+        blkin_init_child_info(&trace, &msg.trace_info, &endp, "process b");  
+
+        /*create annotation and log*/
+        blkin_init_timestamp_annotation(&ant, "start", &endp);
+        blkin_record(&trace, &ant);
+
+        /*Process...*/
+        usleep(10);
+        printf("Message received %s\n", msg.actual_message);
+
+        /*create annotation and log*/
+        blkin_init_timestamp_annotation(&ant, "end", &endp);
+        blkin_record(&trace, &ant);
+
+        /*send ack*/
+        send(s, "*", 1, 0);
+    }
+}
+
+
+int main()
+{
+    if (fork()){
+        process_a();
+        exit(0);
+    }
+    else{
+        process_b();
+        exit(0);
+    }
+}
diff --git a/src/blkin/blkin-lib/tests/test.cc b/src/blkin/blkin-lib/tests/test.cc
new file mode 100644
index 000000000..f93597dd3
--- /dev/null
+++ b/src/blkin/blkin-lib/tests/test.cc
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2014 Marios Kogias <marioskogias@gmail.com>
+ * 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 COPYRIGHT HOLDERS ``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 HOLDER 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 <thread>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <ztracer.hpp>
+#include <iostream>
+
+#define SOCK_PATH "socket"
+
+struct message {
+	int  actual_message;
+	struct blkin_trace_info trace_info;
+	message(int s) : actual_message(s) {};
+	message() {}
+};
+
+class Parent {
+	private:
+		int s, s2;
+		ZTracer::Endpoint e;
+	public:
+		Parent() : e("0.0.0.0", 1, "parent")
+		{
+			connect();
+		}
+		void operator()() 
+		{
+			struct sockaddr_un remote;
+			int t;
+			std::cout << "I am parent process : " << getpid() << std::endl;
+			
+			/* Wait for connection */
+			t = sizeof(remote);
+			if ((s2 = accept(s, (struct sockaddr *)&remote, (socklen_t *)&t)) == -1) {
+				std::cerr << "accept" << std::endl;
+				exit(1);
+			}
+
+			std::cerr << "Connected" << std::endl;
+			
+			for (int i=0;i<10;i++) {
+				/*Init trace*/
+        ZTracer::Trace tr("parent process", &e);
+
+				process(tr);
+				
+				wait_response();
+
+				/*Log received*/
+				tr.event("parent end");
+			}	
+		}
+
+		void process(ZTracer::Trace &tr)
+		{
+			struct message msg(rand());
+			/*Annotate*/
+			tr.event("parent start");
+			/*Set trace info to the message*/
+			msg.trace_info = *tr.get_info();
+			
+			/*send*/
+			send(s2, &msg, sizeof(struct message), 0);
+		}
+		
+		void wait_response() 
+		{
+			char ack;
+			recv(s2, &ack, 1, 0);
+		}
+
+		void connect()
+		{
+			/*create and bind socket*/
+			int len;
+			struct sockaddr_un local;
+
+			if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+				std::cerr << "socket" << std::endl;
+				exit(1);
+			}
+
+			local.sun_family = AF_UNIX;
+			strcpy(local.sun_path, SOCK_PATH);
+			unlink(local.sun_path);
+			len = strlen(local.sun_path) + sizeof(local.sun_family);
+			if (bind(s, (struct sockaddr *)&local, len) == -1) {
+				std::cerr << "bind" << std::endl;
+				exit(1);
+			}
+
+			if (listen(s, 5) == -1) {
+				std::cerr << "listen" << std::endl;
+				exit(1);
+			}
+
+			std::cout << "Waiting for a connection..." << std::endl;
+		}
+
+};
+
+class Child {
+	private:
+		int s;
+		ZTracer::Endpoint e;
+	public:
+		Child() : e("0.0.0.1", 2, "child")
+		{
+		}
+		void operator()() 
+		{
+			/*Connect to the socket*/
+			soc_connect();	
+
+			for (int i=0;i<10;i++) 
+				process();
+		}
+
+		void process()
+		{
+			struct message msg;
+			recv(s, &msg, sizeof(struct message), 0);
+			
+			ZTracer::Trace tr("Child process", &e, &msg.trace_info, true);
+			tr.event("child start");
+			
+			usleep(10);
+			std::cout << "Message received : " << msg.actual_message << ::std::endl;
+			tr.event("child end");
+			
+			send(s, "*", 1, 0);
+		}
+		
+
+		void soc_connect()
+		{
+			int len;
+			struct sockaddr_un remote;
+
+			if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+				std::cerr << "socket" << std::endl;
+				exit(1);
+			}
+
+			std::cout << "Trying to connect...\n" << std::endl;
+
+			remote.sun_family = AF_UNIX;
+			strcpy(remote.sun_path, SOCK_PATH);
+			len = strlen(remote.sun_path) + sizeof(remote.sun_family);
+			if (connect(s, (struct sockaddr *)&remote, len) == -1) {
+				std::cerr << "connect" << std::endl;;
+				exit(1);
+			}
+
+			std::cout << "Connected" << std::endl;
+		}
+
+};
+int main(int argc, const char *argv[])
+{
+	int r = ZTracer::ztrace_init();
+	if (r < 0) {
+		std::cout << "Error initializing blkin" << std::endl;
+		return -1;
+	}
+	Parent p;
+	Child c;
+	std::thread workerThread1(p);
+	std::thread workerThread2(c);
+	workerThread1.join();
+	workerThread2.join();
+
+	return 0;
+}
diff --git a/src/blkin/blkin-lib/tests/test_p.cc b/src/blkin/blkin-lib/tests/test_p.cc
new file mode 100644
index 000000000..ec59da3b6
--- /dev/null
+++ b/src/blkin/blkin-lib/tests/test_p.cc
@@ -0,0 +1,210 @@
+/*
+ * Copyright 2014 Marios Kogias <marioskogias@gmail.com>
+ * 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 COPYRIGHT HOLDERS ``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 HOLDER 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 <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <ztracer.hpp>
+#include <iostream>
+#include <cstdlib>
+
+#define SOCK_PATH "socket"
+
+struct message {
+	int  actual_message;
+	struct blkin_trace_info trace_info;
+	message(int s) : actual_message(s) {};
+	message() {}
+};
+
+class Parent {
+	private:
+		int s, s2;
+		ZTracer::Endpoint e;	
+	public:
+		Parent() : e("0.0.0.0", 1, "parent")
+		{
+			connect();
+		}
+		void operator()() 
+		{
+			struct sockaddr_un remote;
+			int t;
+			std::cout << "I am parent process : " << getpid() << std::endl;
+			
+			/* Wait for connection */
+			t = sizeof(remote);
+			if ((s2 = accept(s, (struct sockaddr *)&remote, (socklen_t *)&t)) == -1) {
+				std::cerr << "accept" << std::endl;
+				exit(1);
+			}
+
+			std::cerr << "Connected" << std::endl;
+			
+			for (int i=0;i<10;i++) {
+				/*Init trace*/
+				ZTracer::Trace tr("parent process", &e);
+				process(tr);
+				
+				wait_response();
+
+				/*Log received*/
+				tr.event("parent end");
+			}	
+		}
+
+		void process(ZTracer::Trace &tr)
+		{
+			struct message msg(rand());
+			/*Annotate*/
+			tr.event("parent start");
+			/*Set trace info to the message*/
+			msg.trace_info = *tr.get_info();
+			
+			/*send*/
+			send(s2, &msg, sizeof(struct message), 0);
+		}
+		
+		void wait_response() 
+		{
+			char ack;
+			recv(s2, &ack, 1, 0);
+		}
+
+		void connect()
+		{
+			/*create and bind socket*/
+			int len;
+			struct sockaddr_un local;
+
+			if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+				std::cerr << "socket" << std::endl;
+				exit(1);
+			}
+
+			local.sun_family = AF_UNIX;
+			strcpy(local.sun_path, SOCK_PATH);
+			unlink(local.sun_path);
+			len = strlen(local.sun_path) + sizeof(local.sun_family);
+			if (bind(s, (struct sockaddr *)&local, len) == -1) {
+				std::cerr << "bind" << std::endl;
+				exit(1);
+			}
+
+			if (listen(s, 5) == -1) {
+				std::cerr << "listen" << std::endl;
+				exit(1);
+			}
+
+			std::cout << "Waiting for a connection..." << std::endl;
+		}
+
+};
+
+class Child {
+	private:
+		int s;
+		ZTracer::Endpoint e;	
+	public:
+		Child() : e("0.0.0.1", 2, "child")
+		{
+		}
+		void operator()() 
+		{
+			/*Connect to the socket*/
+			soc_connect();	
+
+			for (int i=0;i<10;i++) 
+				process();
+		}
+
+		void process()
+		{
+			struct message msg;
+			recv(s, &msg, sizeof(struct message), 0);
+			
+			ZTracer::Trace tr("Child process", &e, &msg.trace_info, true);
+			tr.event("child start");
+			
+			usleep(10);
+			std::cout << "Message received : " << msg.actual_message << ::std::endl;
+			tr.event("child end");
+			
+			send(s, "*", 1, 0);
+		}
+		
+
+		void soc_connect()
+		{
+			int len;
+			struct sockaddr_un remote;
+
+			if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+				std::cerr << "socket" << std::endl;
+				exit(1);
+			}
+
+			std::cout << "Trying to connect...\n" << std::endl;
+
+			remote.sun_family = AF_UNIX;
+			strcpy(remote.sun_path, SOCK_PATH);
+			len = strlen(remote.sun_path) + sizeof(remote.sun_family);
+			if (connect(s, (struct sockaddr *)&remote, len) == -1) {
+				std::cerr << "connect" << std::endl;;
+				exit(1);
+			}
+
+			std::cout << "Connected" << std::endl;
+		}
+
+};
+int main(int argc, const char *argv[])
+{
+	if (fork()) {
+		int r = ZTracer::ztrace_init();
+		if (r < 0) {
+			std::cout << "Error initializing blkin" << std::endl;
+			exit(1);
+		}
+	    Parent p;
+		p();
+		exit(0);
+	} else {
+		int r = ZTracer::ztrace_init();
+		if (r < 0) {
+			std::cout << "Error initializing blkin" << std::endl;
+			exit(1);
+		}
+	    Child c;
+		c();
+		exit(0);
+	}
+	return 0;
+}