FM / util

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util/

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util

Name	Size	Mode	Actions
algorithm.h	1229	0644	edit dl rm
aligned_storage.h	4302	0644	edit dl rm
align_util.h	2636	0644	edit dl rm
async_generator.h	64088	0644	edit dl rm
async_util.h	9633	0644	edit dl rm
atomic_shared_ptr.h	3640	0644	edit dl rm
base64.h	1098	0644	edit dl rm
basic_decimal.h	20334	0644	edit dl rm
benchmark_util.h	4584	0644	edit dl rm
bitmap.h	17463	0644	edit dl rm
bitmap_builders.h	1563	0644	edit dl rm
bitmap_generate.h	3563	0644	edit dl rm
bitmap_ops.h	9084	0644	edit dl rm
bitmap_reader.h	8347	0644	edit dl rm
bitmap_visit.h	3460	0644	edit dl rm
bitmap_writer.h	9360	0644	edit dl rm
bitset_stack.h	2789	0644	edit dl rm
bit_block_counter.h	19141	0644	edit dl rm
bit_run_reader.h	16599	0644	edit dl rm
bit_stream_utils.h	16986	0644	edit dl rm
bit_util.h	11568	0644	edit dl rm
bpacking.h	1175	0644	edit dl rm
bpacking64_default.h	195934	0644	edit dl rm
bpacking_avx2.h	1009	0644	edit dl rm
bpacking_avx512.h	1011	0644	edit dl rm
bpacking_default.h	103232	0644	edit dl rm
bpacking_neon.h	1009	0644	edit dl rm
bpacking_simd128_generated.h	98529	0644	edit dl rm
bpacking_simd256_generated.h	77475	0644	edit dl rm
bpacking_simd512_generated.h	67081	0644	edit dl rm
byte_stream_split.h	28784	0644	edit dl rm
cancel.h	2911	0644	edit dl rm
checked_cast.h	2076	0644	edit dl rm
compare.h	1981	0644	edit dl rm
compression.h	7367	0644	edit dl rm
concurrent_map.h	1775	0644	edit dl rm
config.h	1659	0644	edit dl rm
converter.h	14657	0644	edit dl rm
counting_semaphore.h	2251	0644	edit dl rm
cpu_info.h	4724	0644	edit dl rm
decimal.h	11687	0644	edit dl rm
delimiting.h	7335	0644	edit dl rm
dispatch.h	3235	0644	edit dl rm
double_conversion.h	1195	0644	edit dl rm
endian.h	8071	0644	edit dl rm
formatting.h	20612	0644	edit dl rm
functional.h	5612	0644	edit dl rm
future.h	36168	0644	edit dl rm
future_iterator.h	2517	0644	edit dl rm
hashing.h	30633	0644	edit dl rm
hash_util.h	1914	0644	edit dl rm
int_util.h	4284	0644	edit dl rm
io_util.h	10326	0644	edit dl rm
iterator.h	18123	0644	edit dl rm
key_value_metadata.h	3579	0644	edit dl rm
launder.h	1051	0644	edit dl rm
logging.h	9338	0644	edit dl rm
macros.h	7349	0644	edit dl rm
make_unique.h	1475	0644	edit dl rm
map.h	2476	0644	edit dl rm
math_constants.h	1106	0644	edit dl rm
memory.h	1566	0644	edit dl rm
mutex.h	1833	0644	edit dl rm
optional.h	1174	0644	edit dl rm
parallel.h	3616	0644	edit dl rm
pcg_random.h	1146	0644	edit dl rm
print.h	1725	0644	edit dl rm
queue.h	1017	0644	edit dl rm
range.h	4834	0644	edit dl rm
rle_encoding.h	31029	0644	edit dl rm
simd.h	1333	0644	edit dl rm
small_vector.h	14660	0644	edit dl rm
sort.h	2466	0644	edit dl rm
spaced.h	3567	0644	edit dl rm
stopwatch.h	1401	0644	edit dl rm
string.h	2570	0644	edit dl rm
string_builder.h	2446	0644	edit dl rm
string_view.h	1269	0644	edit dl rm
task_group.h	4362	0644	edit dl rm
tdigest.h	3052	0644	edit dl rm
test_common.h	2837	0644	edit dl rm
thread_pool.h	15338	0644	edit dl rm
time.h	2988	0644	edit dl rm
trie.h	7157	0644	edit dl rm
type_fwd.h	1409	0644	edit dl rm
type_traits.h	2894	0644	edit dl rm
ubsan.h	2777	0644	edit dl rm
unreachable.h	926	0644	edit dl rm
uri.h	3297	0644	edit dl rm
utf8.h	18780	0644	edit dl rm
value_parsing.h	27056	0644	edit dl rm
variant.h	13728	0644	edit dl rm
vector.h	5665	0644	edit dl rm
visibility.h	1463	0644	edit dl rm
windows_compatibility.h	1260	0644	edit dl rm
windows_fixup.h	1379	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util/io_util.h (10326B)

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#ifndef _WIN32
#define ARROW_HAVE_SIGACTION 1
#endif

#include <memory>
#include <string>
#include <utility>
#include <vector>

#if ARROW_HAVE_SIGACTION
#include <signal.h>  // Needed for struct sigaction
#endif

#include "arrow/status.h"
#include "arrow/type_fwd.h"
#include "arrow/util/macros.h"
#include "arrow/util/windows_fixup.h"

namespace arrow {
namespace internal {

// NOTE: 8-bit path strings on Windows are encoded using UTF-8.
// Using MBCS would fail encoding some paths.

#if defined(_WIN32)
using NativePathString = std::wstring;
#else
using NativePathString = std::string;
#endif

class ARROW_EXPORT PlatformFilename {
 public:
  struct Impl;

~PlatformFilename();
  PlatformFilename();
  PlatformFilename(const PlatformFilename&);
  PlatformFilename(PlatformFilename&&);
  PlatformFilename& operator=(const PlatformFilename&);
  PlatformFilename& operator=(PlatformFilename&&);
  explicit PlatformFilename(const NativePathString& path);
  explicit PlatformFilename(const NativePathString::value_type* path);

const NativePathString& ToNative() const;
  std::string ToString() const;

PlatformFilename Parent() const;

// These functions can fail for character encoding reasons.
  static Result<PlatformFilename> FromString(const std::string& file_name);
  Result<PlatformFilename> Join(const std::string& child_name) const;

PlatformFilename Join(const PlatformFilename& child_name) const;

bool operator==(const PlatformFilename& other) const;
  bool operator!=(const PlatformFilename& other) const;

// Made public to avoid the proliferation of friend declarations.
  const Impl* impl() const { return impl_.get(); }

private:
  std::unique_ptr<Impl> impl_;

explicit PlatformFilename(Impl impl);
};

/// Create a directory if it doesn't exist.
///
/// Return whether the directory was created.
ARROW_EXPORT
Result<bool> CreateDir(const PlatformFilename& dir_path);

/// Create a directory and its parents if it doesn't exist.
///
/// Return whether the directory was created.
ARROW_EXPORT
Result<bool> CreateDirTree(const PlatformFilename& dir_path);

/// Delete a directory's contents (but not the directory itself) if it exists.
///
/// Return whether the directory existed.
ARROW_EXPORT
Result<bool> DeleteDirContents(const PlatformFilename& dir_path,
                               bool allow_not_found = true);

/// Delete a directory tree if it exists.
///
/// Return whether the directory existed.
ARROW_EXPORT
Result<bool> DeleteDirTree(const PlatformFilename& dir_path, bool allow_not_found = true);

// Non-recursively list the contents of the given directory.
// The returned names are the children's base names, not including dir_path.
ARROW_EXPORT
Result<std::vector<PlatformFilename>> ListDir(const PlatformFilename& dir_path);

/// Delete a file if it exists.
///
/// Return whether the file existed.
ARROW_EXPORT
Result<bool> DeleteFile(const PlatformFilename& file_path, bool allow_not_found = true);

/// Return whether a file exists.
ARROW_EXPORT
Result<bool> FileExists(const PlatformFilename& path);

/// Open a file for reading and return a file descriptor.
ARROW_EXPORT
Result<int> FileOpenReadable(const PlatformFilename& file_name);

/// Open a file for writing and return a file descriptor.
ARROW_EXPORT
Result<int> FileOpenWritable(const PlatformFilename& file_name, bool write_only = true,
                             bool truncate = true, bool append = false);

/// Read from current file position.  Return number of bytes read.
ARROW_EXPORT
Result<int64_t> FileRead(int fd, uint8_t* buffer, int64_t nbytes);
/// Read from given file position.  Return number of bytes read.
ARROW_EXPORT
Result<int64_t> FileReadAt(int fd, uint8_t* buffer, int64_t position, int64_t nbytes);

ARROW_EXPORT
Status FileWrite(int fd, const uint8_t* buffer, const int64_t nbytes);
ARROW_EXPORT
Status FileTruncate(int fd, const int64_t size);

ARROW_EXPORT
Status FileSeek(int fd, int64_t pos);
ARROW_EXPORT
Status FileSeek(int fd, int64_t pos, int whence);
ARROW_EXPORT
Result<int64_t> FileTell(int fd);
ARROW_EXPORT
Result<int64_t> FileGetSize(int fd);

ARROW_EXPORT
Status FileClose(int fd);

struct Pipe {
  int rfd;
  int wfd;
};

ARROW_EXPORT
Result<Pipe> CreatePipe();

ARROW_EXPORT
int64_t GetPageSize();

struct MemoryRegion {
  void* addr;
  size_t size;
};

ARROW_EXPORT
Status MemoryMapRemap(void* addr, size_t old_size, size_t new_size, int fildes,
                      void** new_addr);
ARROW_EXPORT
Status MemoryAdviseWillNeed(const std::vector<MemoryRegion>& regions);

ARROW_EXPORT
Result<std::string> GetEnvVar(const char* name);
ARROW_EXPORT
Result<std::string> GetEnvVar(const std::string& name);
ARROW_EXPORT
Result<NativePathString> GetEnvVarNative(const char* name);
ARROW_EXPORT
Result<NativePathString> GetEnvVarNative(const std::string& name);

ARROW_EXPORT
Status SetEnvVar(const char* name, const char* value);
ARROW_EXPORT
Status SetEnvVar(const std::string& name, const std::string& value);
ARROW_EXPORT
Status DelEnvVar(const char* name);
ARROW_EXPORT
Status DelEnvVar(const std::string& name);

ARROW_EXPORT
std::string ErrnoMessage(int errnum);
#if _WIN32
ARROW_EXPORT
std::string WinErrorMessage(int errnum);
#endif

ARROW_EXPORT
std::shared_ptr<StatusDetail> StatusDetailFromErrno(int errnum);
#if _WIN32
ARROW_EXPORT
std::shared_ptr<StatusDetail> StatusDetailFromWinError(int errnum);
#endif
ARROW_EXPORT
std::shared_ptr<StatusDetail> StatusDetailFromSignal(int signum);

template <typename... Args>
Status StatusFromErrno(int errnum, StatusCode code, Args&&... args) {
  return Status::FromDetailAndArgs(code, StatusDetailFromErrno(errnum),
                                   std::forward<Args>(args)...);
}

template <typename... Args>
Status IOErrorFromErrno(int errnum, Args&&... args) {
  return StatusFromErrno(errnum, StatusCode::IOError, std::forward<Args>(args)...);
}

#if _WIN32
template <typename... Args>
Status StatusFromWinError(int errnum, StatusCode code, Args&&... args) {
  return Status::FromDetailAndArgs(code, StatusDetailFromWinError(errnum),
                                   std::forward<Args>(args)...);
}

template <typename... Args>
Status IOErrorFromWinError(int errnum, Args&&... args) {
  return StatusFromWinError(errnum, StatusCode::IOError, std::forward<Args>(args)...);
}
#endif

template <typename... Args>
Status StatusFromSignal(int signum, StatusCode code, Args&&... args) {
  return Status::FromDetailAndArgs(code, StatusDetailFromSignal(signum),
                                   std::forward<Args>(args)...);
}

template <typename... Args>
Status CancelledFromSignal(int signum, Args&&... args) {
  return StatusFromSignal(signum, StatusCode::Cancelled, std::forward<Args>(args)...);
}

ARROW_EXPORT
int ErrnoFromStatus(const Status&);

// Always returns 0 on non-Windows platforms (for Python).
ARROW_EXPORT
int WinErrorFromStatus(const Status&);

ARROW_EXPORT
int SignalFromStatus(const Status&);

class ARROW_EXPORT TemporaryDir {
 public:
  ~TemporaryDir();

/// '/'-terminated path to the temporary dir
  const PlatformFilename& path() { return path_; }

/// Create a temporary subdirectory in the system temporary dir,
  /// named starting with `prefix`.
  static Result<std::unique_ptr<TemporaryDir>> Make(const std::string& prefix);

private:
  PlatformFilename path_;

explicit TemporaryDir(PlatformFilename&&);
};

class ARROW_EXPORT SignalHandler {
 public:
  typedef void (*Callback)(int);

SignalHandler();
  explicit SignalHandler(Callback cb);
#if ARROW_HAVE_SIGACTION
  explicit SignalHandler(const struct sigaction& sa);
#endif

Callback callback() const;
#if ARROW_HAVE_SIGACTION
  const struct sigaction& action() const;
#endif

protected:
#if ARROW_HAVE_SIGACTION
  // Storing the full sigaction allows to restore the entire signal handling
  // configuration.
  struct sigaction sa_;
#else
  Callback cb_;
#endif
};

/// \brief Return the current handler for the given signal number.
ARROW_EXPORT
Result<SignalHandler> GetSignalHandler(int signum);

/// \brief Set a new handler for the given signal number.
///
/// The old signal handler is returned.
ARROW_EXPORT
Result<SignalHandler> SetSignalHandler(int signum, const SignalHandler& handler);

/// \brief Reinstate the signal handler
///
/// For use in signal handlers.  This is needed on platforms without sigaction()
/// such as Windows, as the default signal handler is restored there as
/// soon as a signal is raised.
ARROW_EXPORT
void ReinstateSignalHandler(int signum, SignalHandler::Callback handler);

/// \brief Send a signal to the current process
///
/// The thread which will receive the signal is unspecified.
ARROW_EXPORT
Status SendSignal(int signum);

/// \brief Send a signal to the given thread
///
/// This function isn't supported on Windows.
ARROW_EXPORT
Status SendSignalToThread(int signum, uint64_t thread_id);

/// \brief Get an unpredictable random seed
///
/// This function may be slightly costly, so should only be used to initialize
/// a PRNG, not to generate a large amount of random numbers.
/// It is better to use this function rather than std::random_device, unless
/// absolutely necessary (e.g. to generate a cryptographic secret).
ARROW_EXPORT
int64_t GetRandomSeed();

/// \brief Get the current thread id
///
/// In addition to having the same properties as std::thread, the returned value
/// is a regular integer value, which is more convenient than an opaque type.
ARROW_EXPORT
uint64_t GetThreadId();

}  // namespace internal
}  // namespace arrow

cmd: