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Imported Upstream version 5.18.0.247

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Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions
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106
external/llvm/lib/Support/Unix/Unix.h vendored
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@ -1,106 +0,0 @@
//===- llvm/Support/Unix/Unix.h - Common Unix Include File -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines things specific to Unix implementations.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_SUPPORT_UNIX_UNIX_H
#define LLVM_LIB_SUPPORT_UNIX_UNIX_H
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
//=== is guaranteed to work on all UNIX variants.
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h" // Get autoconf configuration settings
#include "llvm/Support/Chrono.h"
#include "llvm/Support/Errno.h"
#include <algorithm>
#include <assert.h>
#include <cerrno>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <sys/types.h>
#include <sys/wait.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <time.h>
#ifdef HAVE_DLFCN_H
# include <dlfcn.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
/// This function builds an error message into \p ErrMsg using the \p prefix
/// string and the Unix error number given by \p errnum. If errnum is -1, the
/// default then the value of errno is used.
/// @brief Make an error message
///
/// If the error number can be converted to a string, it will be
/// separated from prefix by ": ".
static inline bool MakeErrMsg(
std::string* ErrMsg, const std::string& prefix, int errnum = -1) {
if (!ErrMsg)
return true;
if (errnum == -1)
errnum = errno;
*ErrMsg = prefix + ": " + llvm::sys::StrError(errnum);
return true;
}
namespace llvm {
namespace sys {
/// Convert a struct timeval to a duration. Note that timeval can be used both
/// as a time point and a duration. Be sure to check what the input represents.
inline std::chrono::microseconds toDuration(const struct timeval &TV) {
return std::chrono::seconds(TV.tv_sec) +
std::chrono::microseconds(TV.tv_usec);
}
/// Convert a time point to struct timespec.
inline struct timespec toTimeSpec(TimePoint<> TP) {
using namespace std::chrono;
struct timespec RetVal;
RetVal.tv_sec = toTimeT(TP);
RetVal.tv_nsec = (TP.time_since_epoch() % seconds(1)).count();
return RetVal;
}
/// Convert a time point to struct timeval.
inline struct timeval toTimeVal(TimePoint<std::chrono::microseconds> TP) {
using namespace std::chrono;
struct timeval RetVal;
RetVal.tv_sec = toTimeT(TP);
RetVal.tv_usec = (TP.time_since_epoch() % seconds(1)).count();
return RetVal;
}
} // namespace sys
} // namespace llvm
#endif