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-rw-r--r--src/vppinfra/vm_unix.h106
1 files changed, 0 insertions, 106 deletions
diff --git a/src/vppinfra/vm_unix.h b/src/vppinfra/vm_unix.h
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--- a/src/vppinfra/vm_unix.h
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-/*
- * 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:
- */