samskalicky edited a comment on issue #13438: libc getenv is not threadsafe
URL: 
https://github.com/apache/incubator-mxnet/issues/13438#issuecomment-442612858
 
 
   I found a set/get in MXNet for MXNET_CPU_WORKER_NTHREADS:
   
![image](https://user-images.githubusercontent.com/1541993/49183630-34776180-f312-11e8-9df8-2a2295d77b43.png)
   So if we're running multiple programs using MXNet on the same machine, its 
possible that one will be setting MXNET_CPU_WORKER_NTHREADS when the other is 
getting MXNET_CPU_WORKER_NTHREADS and since they both use the same libc, we're 
going to hit this issue.

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