/*
-This source code file is part of thread_mpi.
-Written by Sander Pronk, Erik Lindahl, and possibly others.
+ This source code file is part of thread_mpi.
+ Written by Sander Pronk, Erik Lindahl, and possibly others.
-Copyright (c) 2009, Sander Pronk, Erik Lindahl.
-All rights reserved.
+ Copyright (c) 2009, Sander Pronk, Erik Lindahl.
+ All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-1) Redistributions of source code must retain the above copyright
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1) Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
-2) Redistributions in binary form must reproduce the above copyright
+ 2) Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
-3) Neither the name of the copyright holders nor the
+ 3) Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
-THIS SOFTWARE IS PROVIDED BY US ''AS IS'' AND ANY
-EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL WE BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-If you want to redistribute modifications, please consider that
-scientific software is very special. Version control is crucial -
-bugs must be traceable. We will be happy to consider code for
-inclusion in the official distribution, but derived work should not
-be called official thread_mpi. Details are found in the README & COPYING
-files.
-*/
+ THIS SOFTWARE IS PROVIDED BY US ''AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL WE BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ If you want to redistribute modifications, please consider that
+ scientific software is very special. Version control is crucial -
+ bugs must be traceable. We will be happy to consider code for
+ inclusion in the official distribution, but derived work should not
+ be called official thread_mpi. Details are found in the README & COPYING
+ files.
+ */
#ifndef TMPI_WAIT_H_
#ifndef TMPI_WAIT_FOR_NO_ONE
-#if ! (defined( _WIN32 ) || defined( _WIN64 ) )
+#if !(defined( _WIN32 ) || defined( _WIN64 ) )
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
/* and in Windows, we do SwitchToThread() alternated with Sleep(0). This
is apparently recommende practice (SwitchToThread() alone just gives
up the slice for threads on the current core, and Sleep(0) alone could
- lead to starvation. This mixed approach actually gives better real-world
+ lead to starvation. This mixed approach actually gives better real-world
performance in the test program.*/
/* the data associated with waiting. */
#define TMPI_YIELD_WAIT_DATA int yield_wait_counter;
/* the initialization associated with waiting. */
-#define TMPI_YIELD_WAIT_DATA_INIT(data) { (data)->yield_wait_counter=0; }
+#define TMPI_YIELD_WAIT_DATA_INIT(data) { (data)->yield_wait_counter = 0; }
/* the waiting macro is so complicated because using SwitchToThread only schedules */
#define TMPI_YIELD_WAIT(data) { \
- if ( ((data)->yield_wait_counter++)%100 == 0 ) \
- {\
- SwitchToThread();\
- }\
- else\
- {\
- Sleep(0);\
- }\
+ if ( ((data)->yield_wait_counter++)%100 == 0) \
+ { \
+ SwitchToThread(); \
+ } \
+ else \
+ { \
+ Sleep(0); \
+ } \
}
#endif
#else /* !TMPI_WAIT_FOR_NO_ONE */
/* the data associated with waiting. */
-#define TMPI_YIELD_WAIT_DATA
+#define TMPI_YIELD_WAIT_DATA
/* the initialization associated with waiting. */
-#define TMPI_YIELD_WAIT_DATA_INIT(data)
+#define TMPI_YIELD_WAIT_DATA_INIT(data)
/* the waiting macro */
#define TMPI_YIELD_WAIT(data) tMPI_Atomic_memory_barrier()
#endif /* !TMPI_WAIT_FOR_NO_ONE */
#endif /* TMPI_WAIT_H_ */
-