2 This file is a part of libcds - Concurrent Data Structures library
4 (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
6 Source code repo: http://github.com/khizmax/libcds/
7 Download: http://sourceforge.net/projects/libcds/files/
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions are met:
12 * Redistributions of source code must retain the above copyright notice, this
13 list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 this list of conditions and the following disclaimer in the documentation
17 and/or other materials provided with the distribution.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <cds/details/defs.h>
35 #include <cds/os/topology.h>
36 #include <cds/threading/model.h>
37 #include <cds/details/lib.h>
43 bool CDS_EXPORT_API init_first_call();
44 bool CDS_EXPORT_API fini_last_call();
45 } // namespace details
48 /// Initialize CDS library
50 The function initializes \p CDS library framework.
51 Before usage of \p CDS library features your application must initialize it
52 by calling \p %Initialize() function, see \ref cds_how_to_use "how to use the library".
54 You can call \p Initialize several times, only first call is significant others will be ignored.
55 To terminate the \p CDS library correctly, each call to \p %Initialize() must be balanced
56 by a corresponding \p Terminate() call.
58 Note, that this function does not initialize garbage collectors. To use GC you need you should call
59 GC-specific constructor function to initialize internal structures of GC.
60 See \p cds::gc for details.
62 static inline void Initialize(
63 unsigned int nFeatureFlags = 0 ///< for future use, must be zero.
66 CDS_UNUSED( nFeatureFlags );
68 if ( cds::details::init_first_call() )
70 cds::OS::topology::init();
71 cds::threading::ThreadData::s_nProcCount = cds::OS::topology::processor_count();
72 if ( cds::threading::ThreadData::s_nProcCount == 0 )
73 cds::threading::ThreadData::s_nProcCount = 1;
75 cds::threading::Manager::init();
79 /// Terminate CDS library
81 This function terminates \p CDS library.
82 After \p %Terminate() calling many features of the library are unavailable.
83 This call should be the last call of \p CDS library in your application,
84 see \ref cds_how_to_use "how to use the library".
86 static inline void Terminate()
88 if ( cds::details::fini_last_call() ) {
89 cds::threading::Manager::fini();
91 cds::OS::topology::fini();
97 #endif // CDSLIB_INIT_H