1// Copyright 2010 The Kyua Authors. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// * Neither the name of Google Inc. nor the names of its contributors 14// may be used to endorse or promote products derived from this software 15// without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29#include "utils/process/system.hpp" 30 31extern "C" { 32#include <sys/types.h> 33#include <sys/wait.h> 34 35#include <fcntl.h> 36#include <unistd.h> 37} 38 39namespace detail = utils::process::detail; 40 41 42/// Indirection to execute the dup2(2) system call. 43int (*detail::syscall_dup2)(const int, const int) = ::dup2; 44 45 46/// Indirection to execute the fork(2) system call. 47pid_t (*detail::syscall_fork)(void) = ::fork; 48 49 50/// Indirection to execute the open(2) system call. 51int (*detail::syscall_open)(const char*, const int, ...) = ::open; 52 53 54/// Indirection to execute the pipe(2) system call. 55int (*detail::syscall_pipe)(int[2]) = ::pipe; 56 57 58/// Indirection to execute the waitpid(2) system call. 59pid_t (*detail::syscall_waitpid)(const pid_t, int*, const int) = ::waitpid; 60