LSSTApplications  16.0-10-g0ee56ad,16.0-11-ga33d1f2+2,16.0-12-g3ef5c14+1,16.0-12-g71e5ef5+14,16.0-12-gbdf3636+2,16.0-13-g118c103+2,16.0-13-g8f68b0a,16.0-15-gbf5c1cb,16.0-16-gfd17674+2,16.0-17-g7c01f5c+2,16.0-18-g0a50484,16.0-20-ga20f992+3,16.0-21-g0e05fd4+2,16.0-21-g15e2d33,16.0-22-g62d8060,16.0-22-g847a80f,16.0-24-gfa57b64+1,16.0-28-g3990c221,16.0-3-gf928089+2,16.0-32-g88a4f23,16.0-34-gd7987ad,16.0-36-g6d07a18,16.0-4-g10fc685,16.0-4-g18f3627+24,16.0-4-g5f3a788+25,16.0-5-gaf5c3d7+1,16.0-5-gcc1f4bb,16.0-6-g3b92700,16.0-6-g4412fcd+2,16.0-6-g7235603+1,16.0-68-gb45e8e9d,16.0-7-g0913a87,16.0-7-g56728dd,16.0-8-g14ebd58,16.0-8-g2df868b,16.0-8-g4cec79c+1,16.0-81-g9604f5049,16.0-9-g5400cdc,16.0-9-ge6233d7+1,master-g2880f2d8cf+1,w.2019.05
LSSTDataManagementBasePackage
threads.h
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1 #ifndef LSST_BASE_THREADS_H
2 #define LSST_BASE_THREADS_H
3 
4 #include <stdexcept>
5 #include <string>
6 
7 namespace lsst {
8 namespace base {
9 
10 extern bool const haveOpenBlas;
11 extern bool const haveMkl;
12 
16 std::string const allowEnvvar = "LSST_ALLOW_IMPLICIT_THREADS";
17 
18 
21 public:
22  NoThreadsException() : std::runtime_error("No threading library is available") {};
23 };
24 
26 bool haveThreads() { return haveOpenBlas || haveMkl; }
27 
31 void setNumThreads(unsigned int numThreads);
32 
37 unsigned int getNumThreads();
38 
56 
57 }} // namespace lsst::base
58 
59 
60 #endif // include guard
STL namespace.
bool haveThreads()
Are threaded packages available?
Definition: threads.h:26
bool disableImplicitThreading()
Disable threading that has not been set explicitly.
Definition: threads.cc:132
bool const haveMkl
Is MKL available?
Definition: threads.cc:105
STL class.
No threading library is available.
Definition: threads.h:20
A base class for image defects.
std::string const allowEnvvar
Environment variable to allow implicit threading.
Definition: threads.h:16
void setNumThreads(unsigned int numThreads)
Set number of threads to use.
Definition: threads.cc:107
unsigned int getNumThreads()
Get maximum number of threads we might use.
Definition: threads.cc:120
bool const haveOpenBlas
Is OpenBLAS available?
Definition: threads.cc:104