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// file : butl/process.ixx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <utility> // move()
namespace butl
{
inline process_path::
~process_path ()
{
if (args0_ != nullptr)
*args0_ = initial;
}
inline process_path::
process_path (const char* i, path&& r, path&& e)
: initial (i),
recall (std::move (r)),
effect (std::move (e)),
args0_ (nullptr) {}
inline process_path::
process_path (process_path&& p)
: initial (p.initial),
recall (std::move (p.recall)),
effect (std::move (p.effect)),
args0_ (p.args0_)
{
p.args0_ = nullptr;
}
inline process_path& process_path::
operator= (process_path&& p)
{
if (this != &p)
{
if (args0_ != nullptr)
*args0_ = initial;
initial = p.initial;
recall = std::move (p.recall);
effect = std::move (p.effect);
args0_ = p.args0_;
p.args0_ = nullptr;
}
return *this;
}
inline const char* process_path::
recall_string () const
{
return recall.empty () ? initial : recall.string ().c_str ();
}
inline const char* process_path::
effect_string () const
{
return effect.empty () ? recall_string () : effect.string ().c_str ();
}
inline process_path process::
path_search (const char*& a0, const dir_path& fb)
{
process_path r (path_search (a0, true, fb));
if (!r.recall.empty ())
{
r.args0_ = &a0;
a0 = r.recall.string ().c_str ();
}
return r;
}
inline process::
process ()
: handle (0),
status (0), // This is a bit of an assumption.
out_fd (-1),
in_ofd (-1),
in_efd (-1)
{
}
inline process::
process (const char* args[], int in, int out, int err)
: process (nullptr, path_search (args[0]), args, in, out, err) {}
inline process::
process (const process_path& pp, const char* args[],
int in, int out, int err)
: process (nullptr, pp, args, in, out, err) {}
inline process::
process (const char* args[], process& in, int out, int err)
: process (nullptr, path_search (args[0]), args, in, out, err) {}
inline process::
process (const process_path& pp, const char* args[],
process& in, int out, int err)
: process (nullptr, pp, args, in, out, err) {}
inline process::
process (const char* cwd, const char* args[], int in, int out, int err)
: process (cwd, path_search (args[0]), args, in, out, err) {}
inline process::
process (const char* cwd, const char* args[], process& in, int out, int err)
: process (cwd, path_search (args[0]), args, in, out, err) {}
inline process::
process (process&& p)
: handle (p.handle),
status (p.status),
out_fd (p.out_fd),
in_ofd (p.in_ofd),
in_efd (p.in_efd)
{
p.handle = 0;
}
inline process& process::
operator= (process&& p)
{
if (this != &p)
{
if (handle != 0)
wait ();
handle = p.handle;
status = p.status;
out_fd = p.out_fd;
in_ofd = p.in_ofd;
in_efd = p.in_efd;
p.handle = 0;
}
return *this;
}
}
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