//
// Automated Testing Framework (atf)
//
// Copyright (c) 2008 The NetBSD Foundation, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
//
// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
//
#if !defined(TOOLS_PROCESS_HPP)
#define TOOLS_PROCESS_HPP
extern "C" {
#include <unistd.h>
}
#include <cerrno>
#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include "auto_array.hpp"
#include "exceptions.hpp"
#include "fs.hpp"
namespace tools {
namespace process {
class child;
class status;
// ------------------------------------------------------------------------
// The "argv_array" type.
// ------------------------------------------------------------------------
class argv_array {
// TODO: This is immutable, so we should be able to use
// std::tr1::shared_array instead when it becomes widely available.
// The reason would be to remove all copy constructors and assignment
// operators from this class.
void ctor_init_exec_argv(void);
public:
argv_array(void);
argv_array(const char*, ...);
explicit argv_array(const char* const*);
template< class C > explicit argv_array(const C&);
argv_array(const argv_array&);
const char* const* exec_argv(void) const;
const char* operator[](int) const;
const_iterator begin(void) const;
const_iterator end(void) const;
argv_array& operator=(const argv_array&);
};
template< class C >
{
iter++)
}
// ------------------------------------------------------------------------
// The "stream" types.
// ------------------------------------------------------------------------
class stream_capture {
// Allow access to the getters.
void prepare(void);
int connect_parent(void);
void connect_child(const int);
public:
stream_capture(void);
~stream_capture(void);
};
class stream_connect {
int m_src_fd;
int m_tgt_fd;
// Allow access to the getters.
void prepare(void);
int connect_parent(void);
void connect_child(const int);
public:
stream_connect(const int, const int);
};
class stream_inherit {
// Allow access to the getters.
void prepare(void);
int connect_parent(void);
void connect_child(const int);
public:
stream_inherit(void);
};
class stream_redirect_fd {
int m_fd;
// Allow access to the getters.
void prepare(void);
int connect_parent(void);
void connect_child(const int);
public:
stream_redirect_fd(const int);
};
class stream_redirect_path {
// Allow access to the getters.
void prepare(void);
int connect_parent(void);
void connect_child(const int);
public:
};
// ------------------------------------------------------------------------
// The "status" type.
// ------------------------------------------------------------------------
class status {
int m_status;
friend class child;
status(int);
public:
~status(void);
bool exited(void) const;
int exitstatus(void) const;
bool signaled(void) const;
int termsig(void) const;
bool coredump(void) const;
};
// ------------------------------------------------------------------------
// The "child" type.
// ------------------------------------------------------------------------
class child {
int m_stdout;
int m_stderr;
bool m_waited;
public:
~child(void);
int stdout_fd(void);
int stderr_fd(void);
};
// ------------------------------------------------------------------------
// Free functions.
// ------------------------------------------------------------------------
namespace detail {
void flush_streams(void);
struct exec_args {
void (*m_prehook)(void);
};
void do_exec(void *);
} // namespace detail
// TODO: The void* cookie can probably be templatized, thus also allowing
// const data structures.
{
detail::flush_streams();
if (pid == -1) {
throw system_error("tools::process::child::fork",
"Failed to fork", errno);
} else if (pid == 0) {
try {
start(v);
} catch (...) {
}
} else {
}
}
void (*prehook)(void))
{
try {
return c.wait();
} catch (const system_error& e) {
goto again;
else
throw e;
}
}
{
}
} // namespace process
} // namespace tools
#endif // !defined(TOOLS_PROCESS_HPP)