1 // Copyright 2010 Google Inc. 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 31 extern "C" { 32 #include <sys/wait.h> 33 34 #include <fcntl.h> 35 #include <unistd.h> 36 } 37 38 namespace detail = utils::process::detail; 39 40 41 /// Indirection to execute the dup2(2) system call. 42 int (*detail::syscall_dup2)(const int, const int) = ::dup2; 43 44 45 /// Indirection to execute the fork(2) system call. 46 pid_t (*detail::syscall_fork)(void) = ::fork; 47 48 49 /// Indirection to execute the open(2) system call. 50 int (*detail::syscall_open)(const char*, const int, ...) = ::open; 51 52 53 /// Indirection to execute the pipe(2) system call. 54 int (*detail::syscall_pipe)(int[2]) = ::pipe; 55 56 57 /// Indirection to execute the waitpid(2) system call. 58 pid_t (*detail::syscall_waitpid)(const pid_t, int*, const int) = ::waitpid; 59