X-Git-Url: http://git.rrze.uni-erlangen.de/gitweb/?p=LbmBenchmarkKernelsPublic.git;a=blobdiff_plain;f=src%2FMemory.c;fp=src%2FMemory.c;h=d9d1f942c7e11c3c8ddf05e4d2d5ab58fac1f24e;hp=0000000000000000000000000000000000000000;hb=109880839321408644c94a34eb31208460b9f46d;hpb=42cf91486fb5c1ad178b3d21935a1be563e5fa39 diff --git a/src/Memory.c b/src/Memory.c new file mode 100644 index 0000000..d9d1f94 --- /dev/null +++ b/src/Memory.c @@ -0,0 +1,86 @@ +// -------------------------------------------------------------------------- +// +// Copyright +// Markus Wittmann, 2016-2017 +// RRZE, University of Erlangen-Nuremberg, Germany +// markus.wittmann -at- fau.de or hpc -at- rrze.fau.de +// +// Viktor Haag, 2016 +// LSS, University of Erlangen-Nuremberg, Germany +// +// This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels). +// +// LbmBenchKernels is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// LbmBenchKernels is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with LbmBenchKernels. If not, see . +// +// -------------------------------------------------------------------------- +#include +#include +#include // strerror +#include + +#include "Base.h" +#include "Memory.h" + + +int MemAlloc(void ** ptr, size_t bytesToAlloc) +{ + void * tmpPtr; + + tmpPtr = malloc(bytesToAlloc); + + if (tmpPtr == NULL) { // && bytesToAlloc != 0) { + Error("allocation of %lu bytes failed: %d - %s\n", bytesToAlloc, errno, strerror(errno)); + exit(1); + } + + *ptr = tmpPtr; + + return 0; +} + +int MemAllocAligned(void ** ptr, size_t bytesToAlloc, size_t alignmentBytes) +{ + int ret; + + ret = posix_memalign(ptr, alignmentBytes, bytesToAlloc); + + if (ret) { + Error("allocation of %lu bytes aligned to %lu bytes failed: %d - %s\n", bytesToAlloc, alignmentBytes, errno, strerror(errno)); + exit(1); + } + + return 0; +} + + +int MemFree(void ** ptr) +{ + Assert(*ptr != NULL); + + free(*ptr); + + *ptr = NULL; + + return 0; +} + +int MemZero(void * ptr, size_t bytesToZero) +{ + Assert(ptr != NULL); + Assert(bytesToZero > 0); + + memset(ptr, 0, bytesToZero); + + return 0; +}