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root/cvsroot/UserCode/MitCommon/OptIO/src/OptLoad.cc
Revision: 1.4
Committed: Wed Mar 4 07:24:50 2009 UTC (16 years, 2 months ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, V07-05-00, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, ConvRejection-10-06-09, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008, Mit_008pre2, HEAD
Branch point for: Mit_025c_branch
Changes since 1.3: +38 -31 lines
Log Message:
Check if preload is activated

File Contents

# Content
1 // $Id: OptLoad.cc,v 1.3 2009/02/26 16:18:07 loizides Exp $
2
3 #include "MitCommon/OptIO/interface/OptInt.h"
4 #include <Riostream.h>
5 #include <TEnv.h>
6 #include <TError.h>
7 #include <TROOT.h>
8 #include <TString.h>
9 #include <TSystem.h>
10
11
12 using namespace mithep;
13 extern int activated;
14
15 //--------------------------------------------------------------------------------------------------
16 namespace {
17 class OptIntLoad {
18 public:
19 OptIntLoad() {
20 TString mylib(gSystem->Getenv("LD_PRELOAD"));
21 if (mylib.Contains("MitCommonOptIO")) {
22 activated = 123;
23 Int_t verbose = gEnv->GetValue("Root.OptIO.Verbose",0);
24 if(verbose)
25 ::Info("OptIntLoad", "Loading libMitCommonOptIO.so for the optimized IO interface.");
26 Int_t zipmode = gEnv->GetValue("Root.ZipMode",-1);
27 if (zipmode>0) {
28 if(verbose)
29 ::Warning("OptIntLoad", "Setting ZipMode to %d as specified in rootrc", zipmode);
30 OptInt::SetZipMode(zipmode);
31 }
32 Double_t lzf = gEnv->GetValue("Root.OptIO.LzoFraction",1.);
33 Double_t gzf = gEnv->GetValue("Root.OptIO.GzipFraction",1.);
34 Double_t bzf = gEnv->GetValue("Root.OptIO.BzipFraction",1.);
35 Double_t lzm = gEnv->GetValue("Root.OptIO.LzmaFraction",1.);
36 if (lzf!=1 || gzf!= 1 || bzf!=1 || lzm!=1) {
37 if(verbose)
38 ::Warning("OptIntLoad", "Setting algo fractions to %.2f, %.2f, %.2f, %.2f"
39 " as specified in rootrc", lzf, gzf, bzf, lzm);
40 OptInt::SetAlgoFractions(lzf, gzf, bzf, lzm);
41 }
42 Int_t smalloc = gEnv->GetValue("Root.OptIO.SMalloc",0);
43 if (smalloc) {
44 if(verbose)
45 ::Warning("OptIntLoad", "Enabling static memory allocation as specified in rootrc");
46 OptInt::SetStaticMalloc(smalloc==1);
47 }
48 if (verbose) {
49 ::Warning("OptIntLoad", "Setting verbosity to %d as specified in rootrc", verbose);
50 OptInt::SetVerbose(verbose);
51 }
52 }
53 }
54 };
55 OptIntLoad dummy;
56 }