/*
-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.
+ */
/* this is for newer versions of gcc that have built-in intrinsics */
}
-#if 0
+#if 0
/* these definitions are only used if there's no assembly versions for them:
they're inefficient because they use compare-and-swap instead of just
swap. */
int oldval;
do
{
- oldval=a->value;
- } while(__sync_val_compare_and_swap( &(a->value), oldval, b) != oldval);
+ oldval = a->value;
+ }
+ while (__sync_val_compare_and_swap( &(a->value), oldval, b) != oldval);
return oldval;
}
void *oldval;
do
{
- oldval=a->value;
- } while(__sync_val_compare_and_swap( &(a->value), oldval, b) != oldval);
+ oldval = a->value;
+ }
+ while (__sync_val_compare_and_swap( &(a->value), oldval, b) != oldval);
return oldval;
}
-static inline int tMPI_Atomic_ptr_cas(tMPI_Atomic_ptr_t* a, void *oldval,
+static inline int tMPI_Atomic_ptr_cas(tMPI_Atomic_ptr_t* a, void *oldval,
void *newval)
{
#if !defined(__INTEL_COMPILER) && !defined(__CUDACC__)
/* the intel compilers need integer type arguments for compare_and_swap.
on the platforms supported by icc, size_t is always the size of
a pointer. */
- return (__sync_bool_compare_and_swap( (size_t*)&(a->value),
- (size_t)oldval,
+ return (__sync_bool_compare_and_swap( (size_t*)&(a->value),
+ (size_t)oldval,
(size_t)newval) );
#endif
}
-
-
-