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author | Gabe Black <gabeblack@google.com> | 2018-05-24 01:37:55 -0700 |
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committer | Gabe Black <gabeblack@google.com> | 2018-08-08 10:09:54 +0000 |
commit | 16fa8d7cc8c92f5ab879e4cf9c6c0bbb3567860f (patch) | |
tree | 7b6faaacb4574a555e561534aa4a8508c0624c32 /src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h | |
parent | 7235d3b5211d0ba8f528d930a4c1e7ad62eec51a (diff) | |
download | gem5-16fa8d7cc8c92f5ab879e4cf9c6c0bbb3567860f.tar.xz |
systemc: Import tests from the Accellera systemc distribution.
Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6
Reviewed-on: https://gem5-review.googlesource.com/10845
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
Diffstat (limited to 'src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h')
-rw-r--r-- | src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h b/src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h new file mode 100644 index 000000000..c2773e97e --- /dev/null +++ b/src/systemc/tests/systemc/kernel/dynamic_processes/sc_barrier/test01/sc_barrier.h @@ -0,0 +1,88 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_barrier.h -- Barrier Process Synchronization Definition + + Original Author: Andy Goodrich, Forte Design Systems, 5 May 2003 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: sc_barrier.h,v $ +// Revision 1.1.1.1 2006/12/15 20:26:03 acg +// systemc_tests-2.3 +// +// Revision 1.2 2006/01/24 21:04:52 acg +// Andy Goodrich: replacement of deprecated features with their non-deprecated +// counterparts. +// + +#ifndef SC_BARRIER_H +#define SC_BARRIER_H + +namespace sc_dp { + +// ----------------------------------------------------------------------------- +// CLASS sc_barrier +// +// This class provides a way of synchronising a set of processes. Each process +// calls the wait() method and one all processes have called that method they +// will all be released for execution. +// ----------------------------------------------------------------------------- + +class sc_barrier { + public: + void initialize( int thread_n ) + { + m_thread_n = thread_n; + } + + void wait() + { + m_thread_n--; + if ( m_thread_n ) + { + ::sc_core::wait(m_barrier_event); + } + else + { + m_barrier_event.notify(SC_ZERO_TIME); + ::sc_core::wait(m_barrier_event); + } + } + + protected: + sc_event m_barrier_event; // Event to wait on. + int m_thread_n; // # of threads left to wait. +}; + +} // namespace sc_dp + +#endif // SC_BARRIER_H |