From ee0231076e36bffabeb0bfd9f84304bf49ee0dcc Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Sun, 1 Jun 2008 23:40:30 -0400
Subject: [PATCH] ENH: fix crash on dash17 linux where the parsing of the proc
file must not have worked right
---
SystemInformation.cxx | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/SystemInformation.cxx b/SystemInformation.cxx
index 4a941426..daf7ba3f 100644
--- a/SystemInformation.cxx
+++ b/SystemInformation.cxx
@@ -2199,7 +2199,12 @@ int SystemInformationImplementation::RetreiveInformationFromCpuInfoFile()
this->NumberOfPhysicalCPU=
this->NumberOfLogicalCPU = atoi(cpucount.c_str());
#endif
-
+ // gotta have one, and if this is 0 then we get a / by 0n
+ // beter to have a bad answer than a crash
+ if(this->NumberOfPhysicalCPU <= 0)
+ {
+ this->NumberOfPhysicalCPU = 1;
+ }
// LogicalProcessorsPerPhysical>1 => hyperthreading.
this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical=
this->NumberOfLogicalCPU/this->NumberOfPhysicalCPU;
--
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