IMP  2.0.1
The Integrative Modeling Platform
threads.h
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1 /**
2  * \file IMP/base/threads.h
3  * \brief Control for using multiple threads in IMP
4  *
5  * Copyright 2007-2013 IMP Inventors. All rights reserved.
6  *
7  */
8 
9 #ifndef IMPBASE_THREADS_H
10 #define IMPBASE_THREADS_H
11 #include "raii_macros.h"
12 #include <IMP/base/base_config.h>
13 
14 IMPBASE_BEGIN_NAMESPACE
15 
16 /** \name Number of threads
17  Get and set the default number of threads to use in \imp.
18  @{ */
19 /** Get the current number of threads requested. */
20 IMPBASEEXPORT unsigned int get_number_of_threads();
21 /** Set the current number of threads to a number greater or
22  equal to 1. Setting it to 1 disables multithreaded evaluation.
23 */
24 IMPBASEEXPORT void set_number_of_threads(unsigned int n);
25 /** @} */
26 
27 
28 /** Temporarily set the number of threads
29  */
31 {
32  int num_;
33 public:
34  IMP_RAII(SetNumberOfThreads, (unsigned int n),
35  {num_= 0;},
36  {
37  num_=get_number_of_threads();
39  },
40  {
42  num_=0;
43  }, );
44 };
45 
46 IMPBASE_END_NAMESPACE
47 
48 #endif /* IMPBASE_THREADS_H */