1 files changed, 59 insertions, 0 deletions
diff --git a/utils/process/system.cpp b/utils/process/system.cpp
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+// Copyright 2010 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+//   may be used to endorse or promote products derived from this software
+//   without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/process/system.hpp"
+
+extern "C" {
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <fcntl.h>
+#include <unistd.h>
+}
+
+namespace detail = utils::process::detail;
+
+
+/// Indirection to execute the dup2(2) system call.
+int (*detail::syscall_dup2)(const int, const int) = ::dup2;
+
+
+/// Indirection to execute the fork(2) system call.
+pid_t (*detail::syscall_fork)(void) = ::fork;
+
+
+/// Indirection to execute the open(2) system call.
+int (*detail::syscall_open)(const char*, const int, ...) = ::open;
+
+
+/// Indirection to execute the pipe(2) system call.
+int (*detail::syscall_pipe)(int[2]) = ::pipe;
+
+
+/// Indirection to execute the waitpid(2) system call.
+pid_t (*detail::syscall_waitpid)(const pid_t, int*, const int) = ::waitpid;