59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
|
|
* =======================================================================================
|
|
*
|
|
* Author: Jan Eitzinger (je), jan.eitzinger@fau.de
|
|
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* =======================================================================================
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
void* allocate (int alignment, size_t bytesize)
|
|
{
|
|
int errorCode;
|
|
void* ptr;
|
|
|
|
errorCode = posix_memalign(&ptr, alignment, bytesize);
|
|
|
|
if (errorCode) {
|
|
if (errorCode == EINVAL) {
|
|
fprintf(stderr,
|
|
"Error: Alignment parameter is not a power of two\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (errorCode == ENOMEM) {
|
|
fprintf(stderr,
|
|
"Error: Insufficient memory to fulfill the request\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
if (ptr == NULL) {
|
|
fprintf(stderr, "Error: posix_memalign failed!\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
return ptr;
|
|
}
|