| //===- 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); |
| } |
| |
| } // namespace fuzzer |
| |
| #endif |
