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9c69e6ae69
- Primitive API, but we rarely have need for random numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156237 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===-- Process.cpp - Implement OS Process Concept --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file implements the operating system Process concept.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Process.h"
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#include "llvm/Config/config.h"
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namespace llvm {
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using namespace sys;
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only TRULY operating system
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//=== independent code.
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//===----------------------------------------------------------------------===//
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unsigned llvm::sys::Process::GetRandomNumber() {
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#if defined(HAVE_ARC4RANDOM)
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return arc4random();
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#else
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static int x = (::srand(::time(NULL)), 0);
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return rand();
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#endif
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}
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}
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// Include the platform-specific parts of this class.
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#ifdef LLVM_ON_UNIX
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#include "Unix/Process.inc"
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#endif
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#ifdef LLVM_ON_WIN32
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#include "Windows/Process.inc"
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#endif
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