mirror of
https://github.com/SerenityOS/serenity
synced 2026-05-11 17:37:00 +02:00
d46be35f3f
This change ensures that users can use LibShell easily understand this library now, because we have an actual library directory. In addition to that, we move the test scripts to Tests/LibShell, to match the usual pattern of putting test-related files in the Tests/ directory.
106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Job.h"
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#include "AST.h"
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#include "Shell.h"
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#include <inttypes.h>
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#include <stdio.h>
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#include <sys/wait.h>
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namespace Shell {
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bool Job::print_status(PrintStatusMode mode)
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{
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int wstatus;
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auto rc = waitpid(m_pid, &wstatus, WNOHANG);
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auto status = "running";
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if (rc > 0) {
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if (WIFEXITED(wstatus))
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status = "exited";
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if (WIFSTOPPED(wstatus))
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status = "stopped";
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if (WIFSIGNALED(wstatus))
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status = "signaled";
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} else {
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// if rc < 0, We couldn't waitpid() it, probably because we're not the parent shell.
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// Otherwise, the information we have is already correct,
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// so just use the old information.
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if (exited())
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status = "exited";
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else if (m_is_suspended)
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status = "stopped";
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else if (signaled())
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status = "signaled";
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}
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char background_indicator = '-';
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if (is_running_in_background())
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background_indicator = '+';
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const AST::Command& command = *m_command;
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switch (mode) {
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case PrintStatusMode::Basic:
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outln("[{}] {} {} {}", m_job_id, background_indicator, status, command);
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break;
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case PrintStatusMode::OnlyPID:
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outln("[{}] {} {} {} {}", m_job_id, background_indicator, m_pid, status, command);
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break;
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case PrintStatusMode::ListAll:
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outln("[{}] {} {} {} {} {}", m_job_id, background_indicator, m_pid, m_pgid, status, command);
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break;
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}
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fflush(stdout);
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return true;
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}
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Job::Job(pid_t pid, unsigned pgid, ByteString cmd, u64 job_id, AST::Command&& command)
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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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m_command = make<AST::Command>(move(command));
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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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void Job::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 Job::set_signalled(int sig)
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{
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if (m_exited)
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return;
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m_exited = true;
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m_exit_code = 126;
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m_term_sig = sig;
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if (on_exit)
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on_exit(*this);
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}
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void Job::unblock()
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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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}
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