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// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed 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.
#ifndef BAZEL_SRC_MAIN_CPP_BLAZE_UTIL_PLATFORM_H_
#define BAZEL_SRC_MAIN_CPP_BLAZE_UTIL_PLATFORM_H_
#include <stdint.h>
#include <string>
namespace blaze {
// Get the absolute path to the binary being executed.
std::string GetSelfPath();
// Returns the directory Bazel can use to store output.
std::string GetOutputRoot();
// Returns the process id of the peer connected to this socket.
pid_t GetPeerProcessId(int socket);
// Warn about dubious filesystem types, such as NFS, case-insensitive (?).
void WarnFilesystemType(const std::string& output_base);
// Wrapper around clock_gettime(CLOCK_MONOTONIC) that returns the time
// as a uint64_t nanoseconds since epoch.
uint64_t MonotonicClock();
// Wrapper around clock_gettime(CLOCK_PROCESS_CPUTIME_ID) that returns the
// nanoseconds consumed by the current process since it started.
uint64_t ProcessClock();
// Set cpu and IO scheduling properties. Note that this can take ~50ms
// on Linux, so it should only be called when necessary.
void SetScheduling(bool batch_cpu_scheduling, int io_nice_level);
// Returns the cwd for a process.
std::string GetProcessCWD(int pid);
bool IsSharedLibrary(const std::string& filename);
// Return the default path to the JDK used to run Blaze itself
// (must be an absolute directory).
std::string GetDefaultHostJavabase();
// Replace the current process with the given program in the given working
// directory, using the given argument vector.
// This function does not return on success.
void ExecuteProgram(const string& exe, const std::vector<string>& args_vector);
// Convert a path from Bazel internal form to underlying OS form.
// On Unixes this is an identity operation.
// On Windows, Bazel internal from is cygwin path, and underlying OS form
// is Windows path.
std::string ConvertPath(const std::string& path);
// Return a string used to separate paths in a list.
std::string ListSeparator();
} // namespace blaze
#endif // BAZEL_SRC_MAIN_CPP_BLAZE_UTIL_PLATFORM_H_
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