gROOT->Reset() should not be called in a named script or a compiled program. Rene Brun Darren Grant wrote: > > Hi > > I have come across an error I dont understand in running some root code. > I have tried to include the > > gROOT->Reset(); > > command in my code. I compile without errors but when I run the code I > get the following error: > > *** Break *** segmentation violation > Generating stack trace... > 0x4068b65e in G__scratch_globals_upto + 0x27 from > /home/dgrant/root/lib/libCint.so > 0x40176439 in TCint::ResetGlobals() + 0x21 from > /home/dgrant/root/lib/libCore.so > 0x4013a698 in TROOT::Reset(char const*) + 0x32 from > /home/dgrant/root/lib/libCore.so > 0x08049067 in main + 0x2f from matread > 0x42015574 in __libc_start_main + 0xe4 from /lib/tls/libc.so.6 > 0x08048f9d in TFile::TFile[in-charge](char const*, char const*, char > const*, int) + 0x31 from matread > Abort (core dumped) > > A simplified version of the code is: > > #include <cstdio> > #include <iostream> > #include <string> > #include "TFile.h" > #include "TTree.h" > #include "TH2.h" > #include "TCanvas.h" > #include "TVector.h" > #include "TROOT.h" > #include "TCint.h" > > using namespace std; > > TROOT rootBase("analysis","ROOT analysis environment"); > int main() > { > gROOT->Reset(); > TFile *file = new TFile ("test.root", "RECREATE"); > TTree *tree = new TTree ("tree", "Testing"); > > } > > And this is compiled with a makefile: > > # Makefile > # > ROOTLIBS = $(shell root-config --libs) -lMinuit #-lTable > -lHtml > ROOTGLIBS = $(shell root-config --glibs) > ROOTINCLUDE ?= $(shell root-config --incdir) > MATLABDIR = /data4/dgrant/Matlab_Inst/extern/lib/glnx86 > MATLABD2 = /data4/dgrant/Matlab_Inst/bin/glnx86 > > CXX = g++ > CXXFLAGS = -O2 -Wall -fPIC -I$(ROOTINCLUDE) > > OBJS = matread.o > > matread: $(OBJS) > $(CXX) $(CXXFLAGS) $(ROOTLIBS) $(ROOTGLIBS) -L$(MATLABDIR) -lmat > -lmx -l > mmfile -lmwservices -L$(MATLABD2) -lmatlb -lmex -lmwmpath -lmwudd -o $@ $^ > > matread.d: matread.cxx > @echo "Generating dependency file $@" > @set -e; rm -f $@ > @$(CXX) -M $(CXXFLAGS) $< > $@.tmp > @sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.tmp > $@ > @rm -f $@.tmp > > include matread.d > > matread.o: matread.cxx matread.h > $(CXX) -c $(CXXFLAGS) $< > > clean: > rm -f *.o > rm -f *.d > > Has anyone come across this before and maybe offer some advice? > > Thanks so much! > Cheers > Darren
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