mirror of
https://github.com/LadybirdBrowser/ladybird.git
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151e4d41ed
This commit fixes job control by putting children in their own process group, and proxying TTY signals to active jobs. This also cleans up the code around builtin_disown a bit to use the newer job interfaces.
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Execution.h"
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#include <AK/Function.h>
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#include <AK/JsonObject.h>
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#include <AK/JsonValue.h>
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#include <AK/OwnPtr.h>
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#include <AK/String.h>
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#include <LibCore/ElapsedTimer.h>
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#include <LibCore/Object.h>
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#define JOB_TIME_INFO
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#ifndef __serenity__
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# undef JOB_TIME_INFO
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#endif
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class Job : public RefCounted<Job> {
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public:
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explicit Job()
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{
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}
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~Job()
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{
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#ifdef JOB_TIME_INFO
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if (m_active) {
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auto elapsed = m_command_timer.elapsed();
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dbg() << "Command \"" << m_cmd << "\" finished in " << elapsed << " ms";
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}
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#endif
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}
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Job(pid_t pid, unsigned pgid, String cmd, u64 job_id)
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: m_pgid(pgid)
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, m_pid(pid)
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, m_job_id(job_id)
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, m_cmd(move(cmd))
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{
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set_running_in_background(false);
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m_command_timer.start();
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}
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unsigned pgid() const { return m_pgid; }
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pid_t pid() const { return m_pid; }
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const String& cmd() const { return m_cmd; }
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u64 job_id() const { return m_job_id; }
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bool exited() const { return m_exited; }
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int exit_code() const { return m_exit_code; }
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bool should_be_disowned() const { return m_should_be_disowned; }
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void disown() { m_should_be_disowned = true; }
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bool is_running_in_background() const { return m_running_in_background; }
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void unblock() const
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{
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if (!m_exited && on_exit)
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on_exit(*this);
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}
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Function<void(RefPtr<Job>)> on_exit;
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Core::ElapsedTimer& timer() { return m_command_timer; }
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void set_has_exit(int exit_code)
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{
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if (m_exited)
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return;
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m_exit_code = exit_code;
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m_exited = true;
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if (on_exit)
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on_exit(*this);
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}
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void set_running_in_background(bool running_in_background)
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{
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m_running_in_background = running_in_background;
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}
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void deactivate() const { m_active = false; }
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private:
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unsigned m_pgid { 0 };
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pid_t m_pid { 0 };
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u64 m_job_id { 0 };
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String m_cmd;
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bool m_exited { false };
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bool m_running_in_background { false };
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int m_exit_code { -1 };
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Core::ElapsedTimer m_command_timer;
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mutable bool m_active { true };
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bool m_should_be_disowned { false };
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};
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