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/*
* Copyright (c) 2020, The SerenityOS developers.
* 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 documentation
* and/or other materials provided with the distribution.
*
* 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 HOLDER 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.
*/
#pragma once
#include "Execution.h"
#include "Forward.h"
#include <AK/Function.h>
#include <AK/JsonObject.h>
#include <AK/JsonValue.h>
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <LibCore/ElapsedTimer.h>
#include <LibCore/Object.h>
#define JOB_TIME_INFO
#ifndef __serenity__
# undef JOB_TIME_INFO
#endif
class Job : public RefCounted<Job> {
public:
static NonnullRefPtr<Job> create(pid_t pid, pid_t pgid, String command, u64 job_id, AST::Pipeline* pipeline = nullptr) { return adopt(*new Job(pid, pgid, move(command), job_id, pipeline)); }
~Job()
{
#ifdef JOB_TIME_INFO
if (m_active) {
auto elapsed = m_command_timer.elapsed();
dbg() << "Command \"" << m_cmd << "\" finished in " << elapsed << " ms";
}
#endif
}
pid_t pgid() const { return m_pgid; }
pid_t pid() const { return m_pid; }
const String& cmd() const { return m_cmd; }
u64 job_id() const { return m_job_id; }
bool exited() const { return m_exited; }
bool signaled() const { return m_term_sig != -1; }
int exit_code() const
{
ASSERT(exited());
return m_exit_code;
}
int termination_signal() const
{
ASSERT(signaled());
return m_term_sig;
}
bool should_be_disowned() const { return m_should_be_disowned; }
void disown() { m_should_be_disowned = true; }
bool is_running_in_background() const { return m_running_in_background; }
bool is_suspended() const { return m_is_suspended; }
void unblock() const
{
if (!m_exited && on_exit)
on_exit(*this);
}
Function<void(RefPtr<Job>)> on_exit;
Core::ElapsedTimer& timer() { return m_command_timer; }
void set_has_exit(int exit_code)
{
if (m_exited)
return;
m_exit_code = exit_code;
m_exited = true;
if (on_exit)
on_exit(*this);
}
void set_signalled(int sig)
{
if (m_exited)
return;
m_exited = true;
m_exit_code = 126;
m_term_sig = sig;
if (on_exit)
on_exit(*this);
}
void set_is_suspended(bool value) const { m_is_suspended = value; }
void set_running_in_background(bool running_in_background)
{
m_running_in_background = running_in_background;
}
void deactivate() const { m_active = false; }
enum class PrintStatusMode {
Basic,
OnlyPID,
ListAll,
};
bool print_status(PrintStatusMode);
private:
Job(pid_t pid, unsigned pgid, String cmd, u64 job_id, AST::Pipeline* pipeline)
: m_pgid(pgid)
, m_pid(pid)
, m_job_id(job_id)
, m_cmd(move(cmd))
{
if (pipeline)
m_pipeline = *pipeline;
set_running_in_background(false);
m_command_timer.start();
}
pid_t m_pgid { 0 };
pid_t m_pid { 0 };
u64 m_job_id { 0 };
String m_cmd;
bool m_exited { false };
bool m_running_in_background { false };
int m_exit_code { -1 };
int m_term_sig { -1 };
Core::ElapsedTimer m_command_timer;
mutable bool m_active { true };
mutable bool m_is_suspended { false };
bool m_should_be_disowned { false };
RefPtr<AST::Pipeline> m_pipeline;
};
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