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Shell: Add job control capabilities

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This patchset adds the `jobs`, `fg` and `bg` builtins.
This commit is contained in:
AnotherTest 2020-05-16 03:03:50 +04:30 • committed by Andreas Kling
parent 8582a06899
commit e630d83633
3 changed files with 301 additions and 22 deletions
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55
Shell/Job.h Normal file
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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 <AK/String.h>
class Job {
public:
explicit Job()
{
}
Job(pid_t pid, unsigned pgid, String cmd, u64 job_id)
: m_pgid(pgid)
, m_pid(pid)
, m_job_id(job_id)
, m_cmd(move(cmd))
{
}
unsigned 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; }
private:
unsigned m_pgid { 0 };
pid_t m_pid { 0 };
u64 m_job_id { 0 };
String m_cmd;
};