//===- llvm/Support/Unix/Unix.h - Common Unix Include File -------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// 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"

#include "llvm/Support/Chrono.h"

#include "llvm/Support/Errno.h"

#include "llvm/Support/ErrorHandling.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_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.

/// 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;

}

Unexecuted instantiation: Host.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

Unexecuted instantiation: Path.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

Unexecuted instantiation: Process.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

Unexecuted instantiation: Program.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

Unexecuted instantiation: Signals.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

Unexecuted instantiation: Threading.cpp:_ZL10MakeErrMsgPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKS4_i

// Include StrError(errnum) in a fatal error message.

LLVM_ATTRIBUTE_NORETURN static inline void ReportErrnumFatal(const char *Msg,

                                                             int errnum) {

  std::string ErrMsg;

  MakeErrMsg(&ErrMsg, Msg, errnum);

  llvm::report_fatal_error(ErrMsg);

}

Unexecuted instantiation: Host.cpp:_ZL17ReportErrnumFatalPKci

Unexecuted instantiation: Path.cpp:_ZL17ReportErrnumFatalPKci

Unexecuted instantiation: Process.cpp:_ZL17ReportErrnumFatalPKci

Unexecuted instantiation: Program.cpp:_ZL17ReportErrnumFatalPKci

Unexecuted instantiation: Signals.cpp:_ZL17ReportErrnumFatalPKci

Unexecuted instantiation: Threading.cpp:_ZL17ReportErrnumFatalPKci

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