mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
157d5b21d7
This edits the headers in every file so the copyright notice mentions RWTH Aachen University. We also update some copyright years and fix various comments so the header is the same across all of VILLASframework. * Harmonize comment and code-style Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com> * Harmonize comment and code-style Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com> --------- Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
28 lines
655 B
C++
28 lines
655 B
C++
/* Memory managment.
|
|
*
|
|
* Author: Daniel Krebs <github@daniel-krebs.net>
|
|
* SPDX-FileCopyrightText: 2017 Institute for Automation of Complex Power Systems, RWTH Aachen University
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <sys/mman.h>
|
|
#include <unistd.h>
|
|
|
|
#include <villas/memory.hpp>
|
|
|
|
using namespace villas;
|
|
|
|
bool
|
|
HostRam::free(void* addr, size_t length)
|
|
{
|
|
return munmap(addr, length) == 0;
|
|
}
|
|
|
|
void*
|
|
HostRam::allocate(size_t length, int flags)
|
|
{
|
|
const int mmap_flags = flags | MAP_PRIVATE | MAP_ANONYMOUS | MAP_32BIT;
|
|
const int mmap_protection = PROT_READ | PROT_WRITE;
|
|
|
|
return mmap(nullptr, length, mmap_protection, mmap_flags, 0, 0);
|
|
}
|