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Reverting r76825 and r76828, since they caused clang runtime errors and some build failure involving memset.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76838 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2009-07-23 01:40:54 +00:00
parent 54e650f2c7
commit 4bf370698a
11 changed files with 237 additions and 949 deletions
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lib/System/Unix/Memory.inc
+3 -4
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@@ -12,7 +12,6 @@
//===----------------------------------------------------------------------===//
#include "Unix.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/System/Process.h"
#ifdef HAVE_SYS_MMAN_H
@@ -29,12 +28,12 @@
/// is very OS specific.
///
llvm::sys::MemoryBlock
llvm::sys::Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock,
std::string *ErrMsg) {
if (NumBytes == 0) return MemoryBlock();
size_t pageSize = Process::GetPageSize();
size_t NumPages = (NumBytes+pageSize-1)/pageSize;
unsigned pageSize = Process::GetPageSize();
unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
int fd = -1;
#ifdef NEED_DEV_ZERO_FOR_MMAP