diff options
Diffstat (limited to 'vendor/modernc.org/memory/mmap_windows.go')
-rw-r--r-- | vendor/modernc.org/memory/mmap_windows.go | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/vendor/modernc.org/memory/mmap_windows.go b/vendor/modernc.org/memory/mmap_windows.go deleted file mode 100644 index f085a22ce..000000000 --- a/vendor/modernc.org/memory/mmap_windows.go +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2017 The Memory Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package memory // import "modernc.org/memory" - -import ( - "os" - syscall "golang.org/x/sys/windows" -) - -const ( - _MEM_COMMIT = 0x1000 - _MEM_RESERVE = 0x2000 - _MEM_DECOMMIT = 0x4000 - _MEM_RELEASE = 0x8000 - - _PAGE_READWRITE = 0x0004 - _PAGE_NOACCESS = 0x0001 -) - -const pageSizeLog = 16 - -var ( - modkernel32 = syscall.NewLazySystemDLL("kernel32.dll") - osPageMask = osPageSize - 1 - osPageSize = os.Getpagesize() - procVirtualAlloc = modkernel32.NewProc("VirtualAlloc") - procVirtualFree = modkernel32.NewProc("VirtualFree") -) - -// pageSize aligned. -func mmap(size int) (uintptr, int, error) { - size = roundup(size, pageSize) - addr, _, err := procVirtualAlloc.Call(0, uintptr(size), _MEM_COMMIT|_MEM_RESERVE, _PAGE_READWRITE) - if err.(syscall.Errno) != 0 || addr == 0 { - return addr, size, err - } - return addr, size, nil -} - -func unmap(addr uintptr, size int) error { - r, _, err := procVirtualFree.Call(addr, 0, _MEM_RELEASE) - if r == 0 { - return err - } - - return nil -} |