From 72e7f011b29998d8a3e15eb5b381ef962af5fe5b Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 5 Apr 2019 10:30:58 +0300
Subject: Upgrade to 8.0.15

---
 mysql/mysys/my_mmap.c | 89 ---------------------------------------------------
 1 file changed, 89 deletions(-)
 delete mode 100644 mysql/mysys/my_mmap.c

(limited to 'mysql/mysys/my_mmap.c')

diff --git a/mysql/mysys/my_mmap.c b/mysql/mysys/my_mmap.c
deleted file mode 100644
index b58c657..0000000
--- a/mysql/mysys/my_mmap.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; version 2 of the License.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
-
-#include "mysys_priv.h"
-#include "my_sys.h"
-
-#ifdef HAVE_SYS_MMAN_H
-
-/*
-  system msync() only syncs mmap'ed area to fs cache.
-  fsync() is required to really sync to disc
-*/
-int my_msync(int fd, void *addr, size_t len, int flags)
-{
-  msync(addr, len, flags);
-  return my_sync(fd, MYF(0));
-}
-
-#elif defined(_WIN32)
-
-static SECURITY_ATTRIBUTES mmap_security_attributes=
-  {sizeof(SECURITY_ATTRIBUTES), 0, TRUE};
-
-void *my_mmap(void *addr, size_t len, int prot,
-               int flags, File fd, my_off_t offset)
-{
-  HANDLE hFileMap;
-  LPVOID ptr;
-  HANDLE hFile= (HANDLE)my_get_osfhandle(fd);
-  DBUG_ENTER("my_mmap");
-  DBUG_PRINT("mysys", ("map fd: %d", fd));
-
-  if (hFile == INVALID_HANDLE_VALUE)
-    DBUG_RETURN(MAP_FAILED);
-
-  hFileMap=CreateFileMapping(hFile, &mmap_security_attributes,
-                             PAGE_READWRITE, 0, (DWORD) len, NULL);
-  if (hFileMap == 0)
-    DBUG_RETURN(MAP_FAILED);
-
-  ptr=MapViewOfFile(hFileMap,
-                    prot & PROT_WRITE ? FILE_MAP_WRITE : FILE_MAP_READ,
-                    (DWORD)(offset >> 32), (DWORD)offset, len);
-
-  /*
-    MSDN explicitly states that it's possible to close File Mapping Object
-    even when a view is not unmapped - then the object will be held open
-    implicitly until unmap, as every view stores internally a handler of
-    a corresponding File Mapping Object
-   */
-  CloseHandle(hFileMap);
-
-  if (ptr)
-  {
-    DBUG_PRINT("mysys", ("mapped addr: %p", ptr));
-    DBUG_RETURN(ptr);
-  }
-
-  DBUG_RETURN(MAP_FAILED);
-}
-
-int my_munmap(void *addr, size_t len)
-{
-  DBUG_ENTER("my_munmap");
-  DBUG_PRINT("mysys", ("unmap addr: %p", addr));
-  DBUG_RETURN(UnmapViewOfFile(addr) ? 0 : -1);
-}
-
-int my_msync(int fd, void *addr, size_t len, int flags)
-{
-  return FlushViewOfFile(addr, len) ? 0 : -1;
-}
-
-#else
-#error "no mmap!"
-#endif
-
-- 
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