Bug Summary

File:plugins/Analysis/p2k_hists/DReaction_factory_p2k_hists.cc
Location:line 28, column 31
Description:Potential leak of memory pointed to by 'locReaction'

Annotated Source Code

1// $Id$
2//
3// File: DReaction_factory_p2k_hists.cc
4// Created: Wed Mar 11 20:34:14 EDT 2015
5// Creator: jrsteven (on Linux halldw1.jlab.org 2.6.32-504.8.1.el6.x86_64 x86_64)
6//
7
8#include "DReaction_factory_p2k_hists.h"
9
10//------------------
11// init
12//------------------
13jerror_t DReaction_factory_p2k_hists::init(void)
14{
15 // Make as many DReaction objects as desired
16 DReactionStep* locReactionStep = NULL__null;
17 DReaction* locReaction = new DReaction("p2k_pmiss"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
1
Memory is allocated
→
18
19 // DOCUMENTATION:
20 // ANALYSIS library: https://halldweb1.jlab.org/wiki/index.php/GlueX_Analysis_Software
21 // DReaction factory: https://halldweb1.jlab.org/wiki/index.php/Analysis_DReaction
22
23 /**************************************************** p2k_preco Reaction Steps ****************************************************/
24
25 locReaction = new DReaction("p2k_preco"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
26
27 // g, p -> k+, k- ,p
28 locReactionStep = new DReactionStep();
2
←
Potential leak of memory pointed to by 'locReaction'
29 locReactionStep->Set_InitialParticleID(Gamma);
30 locReactionStep->Set_TargetParticleID(Proton);
31 locReactionStep->Add_FinalParticleID(KPlus);
32 locReactionStep->Add_FinalParticleID(KMinus);
33 locReactionStep->Add_FinalParticleID(Proton);
34 locReaction->Add_ReactionStep(locReactionStep);
35 dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak
36
37 /**************************************************** p2k_preco Control Settings ****************************************************/
38
39 locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints
40 locReaction->Set_MaxPhotonRFDeltaT(0.5*4.008); //beam bunches are every 4.008 ns, (2.004 should be minimum cut value)
41
42 /**************************************************** p2k_preco Analysis Actions ****************************************************/
43
44 // Recommended: Analysis actions automatically performed by the DAnalysisResults factories to histogram useful quantities.
45 //These actions are executed sequentially, and are executed on each surviving (non-cut) particle combination
46 //Pre-defined actions can be found in ANALYSIS/DHistogramActions.h and ANALYSIS/DCutActions.h
47
48 // PID
49 locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction));
50 locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 1.0, Unknown, SYS_TOF)); //false: measured data //Unknown: All PIDs
51 locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 10.0, Unknown, SYS_BCAL)); //false: measured data //Unknown: All PIDs
52 locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 10.0, Unknown, SYS_FCAL)); //false: measured data //Unknown: All PIDs
53
54 // Custom histograms for p2k (no KinFit cut)
55 locReaction->Add_AnalysisAction(new DCustomAction_p2k_hists(locReaction, false, "NoKinFit_Measured"));
56
57 // Kinematics of final selection
58 locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false)); //false: fill histograms with measured particle data
59
60 _data.push_back(locReaction); //Register the DReaction with the factory
61
62 return NOERROR;
63}
64
65//------------------
66// fini
67//------------------
68jerror_t DReaction_factory_p2k_hists::fini(void)
69{
70 for(size_t loc_i = 0; loc_i < dReactionStepPool.size(); ++loc_i)
71 delete dReactionStepPool[loc_i]; //cleanup memory
72 return NOERROR;
73}
74