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//===- FuzzerUtilLinux.cpp - Misc utils for Linux. ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Misc utils for Linux.
//===----------------------------------------------------------------------===//
#include "FuzzerPlatform.h"
#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD || \
LIBFUZZER_EMSCRIPTEN
#include "FuzzerCommand.h"
#include "FuzzerInternal.h"
#include <signal.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
namespace fuzzer {
int ExecuteCommand(const Command &Cmd) {
std::string CmdLine = Cmd.toString();
int exit_code = system(CmdLine.c_str());
if (WIFEXITED(exit_code))
return WEXITSTATUS(exit_code);
if (WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGINT)
return Fuzzer::InterruptExitCode();
return exit_code;
}
void DiscardOutput(int Fd) {
FILE* Temp = fopen("/dev/null", "w");
if (!Temp)
return;
dup2(fileno(Temp), Fd);
fclose(Temp);
}
void SetThreadName(std::thread &thread, const std::string &name) {
#if LIBFUZZER_LINUX || LIBFUZZER_FREEBSD
(void)pthread_setname_np(thread.native_handle(), name.c_str());
#elif LIBFUZZER_NETBSD
(void)pthread_setname_np(thread.native_handle(), "%s", const_cast<char *>(name.c_str()));
#endif
}
} // namespace fuzzer
#endif
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