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-rw-r--r--lang/ifc/files/mmap.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/lang/ifc/files/mmap.c b/lang/ifc/files/mmap.c
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--- a/lang/ifc/files/mmap.c
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-/*
- * Copyright (c) 2003 The FreeBSD Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <sys/types.h>
-#include <sys/mman.h>
-
-typedef int32_t l_long;
-typedef unsigned int l_uint;
-typedef l_long l_off_t;
-typedef l_uint l_size_t;
-
-/* mmap options */
-#define LINUX_MAP_SHARED 0x0001
-#define LINUX_MAP_PRIVATE 0x0002
-#define LINUX_MAP_FIXED 0x0010
-#define LINUX_MAP_ANON 0x0020
-#define LINUX_MAP_GROWSDOWN 0x0100
-
-void *
-Mmap(void *addr, l_size_t len, int prot, int flags, int fd, l_off_t offset)
-{
- int bsd_flags = 0;
-
- if (flags & LINUX_MAP_SHARED ) bsd_flags |= MAP_SHARED;
- if (flags & LINUX_MAP_PRIVATE) bsd_flags |= MAP_PRIVATE;
- if (flags & LINUX_MAP_FIXED ) bsd_flags |= MAP_FIXED;
- if (flags & LINUX_MAP_ANON ) bsd_flags |= MAP_ANON;
- else bsd_flags |= MAP_NOSYNC;
- if (flags & LINUX_MAP_GROWSDOWN) bsd_flags |= MAP_STACK;
-
- prot |= PROT_READ; /* always required */
- if (flags & LINUX_MAP_ANON)
- fd = -1;
-
- return mmap(addr, (size_t) len, prot, bsd_flags, fd, (off_t) offset);
-}
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