Path: blob/main/contrib/kyua/utils/process/system.cpp
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// Copyright 2010 The Kyua Authors.1// All rights reserved.2//3// Redistribution and use in source and binary forms, with or without4// modification, are permitted provided that the following conditions are5// met:6//7// * Redistributions of source code must retain the above copyright8// notice, this list of conditions and the following disclaimer.9// * Redistributions in binary form must reproduce the above copyright10// notice, this list of conditions and the following disclaimer in the11// documentation and/or other materials provided with the distribution.12// * Neither the name of Google Inc. nor the names of its contributors13// may be used to endorse or promote products derived from this software14// without specific prior written permission.15//16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.2728#include "utils/process/system.hpp"2930extern "C" {31#include <sys/types.h>32#include <sys/wait.h>3334#include <fcntl.h>35#include <unistd.h>36}3738namespace detail = utils::process::detail;394041/// Indirection to execute the dup2(2) system call.42int (*detail::syscall_dup2)(const int, const int) = ::dup2;434445/// Indirection to execute the fork(2) system call.46pid_t (*detail::syscall_fork)(void) = ::fork;474849/// Indirection to execute the open(2) system call.50int (*detail::syscall_open)(const char*, const int, ...) = ::open;515253/// Indirection to execute the pipe(2) system call.54int (*detail::syscall_pipe)(int[2]) = ::pipe;555657/// Indirection to execute the waitpid(2) system call.58pid_t (*detail::syscall_waitpid)(const pid_t, int*, const int) = ::waitpid;596061