forked from OSchip/llvm-project
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
//===-- xray_utils.h --------------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of XRay, a dynamic runtime instrumentation system.
|
|
//
|
|
// Some shared utilities for the XRay runtime implementation.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef XRAY_UTILS_H
|
|
#define XRAY_UTILS_H
|
|
|
|
#include <sys/types.h>
|
|
#include <utility>
|
|
|
|
namespace __xray {
|
|
|
|
// Default implementation of the reporting interface for sanitizer errors.
|
|
void PrintToStdErr(const char *Buffer);
|
|
|
|
// EINTR-safe write routine, provided a file descriptor and a character range.
|
|
void retryingWriteAll(int Fd, char *Begin, char *End);
|
|
|
|
// Reads a long long value from a provided file.
|
|
bool readValueFromFile(const char *Filename, long long *Value);
|
|
|
|
// EINTR-safe read routine, providing a file descriptor and a character range.
|
|
std::pair<ssize_t, bool> retryingReadSome(int Fd, char *Begin, char *End);
|
|
|
|
// EINTR-safe open routine, uses flag-provided values for initialising a log
|
|
// file.
|
|
int getLogFD();
|
|
|
|
// EINTR-safe read of CPU frquency for the current CPU.
|
|
long long getCPUFrequency();
|
|
|
|
} // namespace __xray
|
|
|
|
#endif // XRAY_UTILS_H
|