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Diffstat (limited to 'src/vppinfra/vm_unix.h')
-rw-r--r-- | src/vppinfra/vm_unix.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/src/vppinfra/vm_unix.h b/src/vppinfra/vm_unix.h deleted file mode 100644 index 07e86516..00000000 --- a/src/vppinfra/vm_unix.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus - - 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. -*/ - -#ifndef included_vm_unix_h -#define included_vm_unix_h - -#include <unistd.h> -#include <sys/mman.h> - -/* Allocate virtual address space. */ -always_inline void * -clib_mem_vm_alloc (uword size) -{ - void *mmap_addr; - uword flags = MAP_PRIVATE; - -#ifdef MAP_ANONYMOUS - flags |= MAP_ANONYMOUS; -#endif - - mmap_addr = mmap (0, size, PROT_READ | PROT_WRITE, flags, -1, 0); - if (mmap_addr == (void *) -1) - mmap_addr = 0; - - return mmap_addr; -} - -always_inline void -clib_mem_vm_free (void *addr, uword size) -{ - munmap (addr, size); -} - -always_inline void * -clib_mem_vm_unmap (void *addr, uword size) -{ - void *mmap_addr; - uword flags = MAP_PRIVATE | MAP_FIXED; - - /* To unmap we "map" with no protection. If we actually called - munmap then other callers could steal the address space. By - changing to PROT_NONE the kernel can free up the pages which is - really what we want "unmap" to mean. */ - mmap_addr = mmap (addr, size, PROT_NONE, flags, -1, 0); - if (mmap_addr == (void *) -1) - mmap_addr = 0; - - return mmap_addr; -} - -always_inline void * -clib_mem_vm_map (void *addr, uword size) -{ - void *mmap_addr; - uword flags = MAP_PRIVATE | MAP_FIXED; - - mmap_addr = mmap (addr, size, (PROT_READ | PROT_WRITE), flags, -1, 0); - if (mmap_addr == (void *) -1) - mmap_addr = 0; - - return mmap_addr; -} - -#endif /* included_vm_unix_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |