diff --git a/.gitignore b/.gitignore
index 37272fe..75ceed2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 obj/*
 bin/*
+data/simpledb/*
+data/simpledb/blocks/*
diff --git a/data/simpledb/blockchain.txt b/data/simpledb/blockchain.txt
deleted file mode 100644
index 769a4cb..0000000
--- a/data/simpledb/blockchain.txt
+++ /dev/null
@@ -1 +0,0 @@
-000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f 0
diff --git a/data/simpledb/blocks/639340_00000000000000000009e3d7be64b2b867231436a3e689a0a4fabdff77398960 b/data/simpledb/blocks/639340_00000000000000000009e3d7be64b2b867231436a3e689a0a4fabdff77398960
deleted file mode 100644
index 2c5d1e0..0000000
Binary files a/data/simpledb/blocks/639340_00000000000000000009e3d7be64b2b867231436a3e689a0a4fabdff77398960 and /dev/null differ
diff --git a/data/simpledb/blocks/639341_00000000000000000009f0147b38b7a37c5a8947fb18486e651274a97e4fe3d0 b/data/simpledb/blocks/639341_00000000000000000009f0147b38b7a37c5a8947fb18486e651274a97e4fe3d0
deleted file mode 100644
index d71ddd0..0000000
Binary files a/data/simpledb/blocks/639341_00000000000000000009f0147b38b7a37c5a8947fb18486e651274a97e4fe3d0 and /dev/null differ
diff --git a/data/simpledb/blocks/639342_0000000000000000000f953352fedd34f666244750ea7e59c5fc35dd1b4c4ada b/data/simpledb/blocks/639342_0000000000000000000f953352fedd34f666244750ea7e59c5fc35dd1b4c4ada
deleted file mode 100644
index a571cd6..0000000
Binary files a/data/simpledb/blocks/639342_0000000000000000000f953352fedd34f666244750ea7e59c5fc35dd1b4c4ada and /dev/null differ
diff --git a/data/simpledb/blocks/639343_0000000000000000000f3346aa83aea5d35498357be2728f86090729e4a526a4 b/data/simpledb/blocks/639343_0000000000000000000f3346aa83aea5d35498357be2728f86090729e4a526a4
deleted file mode 100644
index 3e587a5..0000000
Binary files a/data/simpledb/blocks/639343_0000000000000000000f3346aa83aea5d35498357be2728f86090729e4a526a4 and /dev/null differ
diff --git a/include/daemonize.h b/include/daemonize.h
index b229bce..4040c9f 100644
--- a/include/daemonize.h
+++ b/include/daemonize.h
@@ -2,6 +2,6 @@
 #define __MY_DAEMONIZE_H__
 
 void daemonize();
-void log_signal_message(char*, char*);
+void log_signal_message(char*);
 
 #endif
diff --git a/src/daemonize.c b/src/daemonize.c
index 8c9e03f..2719144 100644
--- a/src/daemonize.c
+++ b/src/daemonize.c
@@ -8,9 +8,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
-#define RUNNING_DIR "/tmp"
-#define LOCK_FILE "/tmp/daemond.lock"
-#define LOG_FILE "/tmp/daemond.log"
+#define RUNNING_DIR "tmp"
+#define LOCK_FILE "tmp/daemond.lock"
+#define LOG_FILE "tmp/daemond.log"
 
 /*
  *       daemon.c
@@ -33,9 +33,9 @@
  *       MA 02110-1301, USA.
  */
 
-void log_signal_message(char *filename,char *message){
+void log_signal_message(char *message){
     FILE *logfile;
-    logfile = fopen(filename,"a");
+    logfile = fopen(LOG_FILE,"a");
     if(!logfile) return;
     fprintf(logfile,"%s",message);
     fclose(logfile);
@@ -70,8 +70,8 @@ void daemonize(){
     umask(022);
 
     lfp = open(LOCK_FILE,O_RDWR|O_CREAT,0640);
-    if(lfp < 0) exit(1);
-    if(lockf(lfp,F_TLOCK,0) < 0) exit(1);
+    if(lfp < 0) { log_signal_message("daemond is allready running !\n");exit(1); }
+    if(lockf(lfp,F_TLOCK,0) < 0) { log_signal_message("daemond is allready running\n");exit(1); }
 
     sprintf(str,"%d\n",getpid());
     write(lfp,str,strlen(str));
diff --git a/src/spy.c b/src/spy.c
index 4c646ba..85c8a00 100644
--- a/src/spy.c
+++ b/src/spy.c
@@ -27,6 +27,9 @@ FILE* blockchain_fd = NULL;
  * Les outils
  */
 static void signal_handler(int sig){
+    char msg[200];
+    sprintf(msg,"process %d signal %d trapped\n", getpid(), sig);
+    log_signal_message(msg);
     switch(sig){
     case SIGUSR1:
         // signal USR1
diff --git a/src/test_daemonize.c b/src/test_daemonize.c
index 8c72aa2..db4a277 100644
--- a/src/test_daemonize.c
+++ b/src/test_daemonize.c
@@ -16,7 +16,7 @@
 static void signal_handler(int sig){
     char msg[200];
     sprintf(msg,"process %d signal %d trapped\n", getpid(), sig);
-    log_signal_message("/tmp/daemonize.log", msg);
+    log_signal_message(msg);
 
     switch(sig){
     case SIGUSR1:
diff --git a/tmp/Makefile b/tmp/Makefile
deleted file mode 100644
index 4f1ecb1..0000000
--- a/tmp/Makefile
+++ /dev/null
@@ -1,27 +0,0 @@
-CC=gcc
-IFLAGS=-I /usr/local/include/btc
-CFLAGS=-g
-LDFLAGS=-lbtc
-OBJDIR=obj
-BINDIR=bin
-SRCDIR=src
-
-all: $(OBJDIR) $(BINDIR) $(EXE)
-
-$(OBJDIR):
-	mkdir -p $(OBJDIR)
-
-$(BINDIR):
-	mkdir -p $(BINDIR)
-
-$(OBJDIR)/%.o : $(SRCDIR)/%.c | $(OBJDIR) $(BINDIR)
-	$(CC) $(IFLAGS) -o $@ -c $< $(CFLAGS)
-
-.PHONY: clean mrproper $(EXE)
-
-clean:
-	rm -f $(OBJDIR)/*.o
-
-mrproper : clean
-	rm -rf $(OBJDIR)
-	rm -rf $(BINDIR)
diff --git a/tmp/daemond.log b/tmp/daemond.log
new file mode 100644
index 0000000..e38c268
--- /dev/null
+++ b/tmp/daemond.log
@@ -0,0 +1 @@
+process 11096 signal 15 trapped