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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Job.h"
#include "AST.h"
#include "Shell.h"
#include <inttypes.h>
#include <stdio.h>
#include <sys/wait.h>
namespace Shell {
bool Job::print_status(PrintStatusMode mode)
{
int wstatus;
auto rc = waitpid(m_pid, &wstatus, WNOHANG);
auto status = "running";
if (rc > 0) {
if (WIFEXITED(wstatus))
status = "exited";
if (WIFSTOPPED(wstatus))
status = "stopped";
if (WIFSIGNALED(wstatus))
status = "signaled";
} else {
// if rc < 0, We couldn't waitpid() it, probably because we're not the parent shell.
// Otherwise, the information we have is already correct,
// so just use the old information.
if (exited())
status = "exited";
else if (m_is_suspended)
status = "stopped";
else if (signaled())
status = "signaled";
}
char background_indicator = '-';
if (is_running_in_background())
background_indicator = '+';
const AST::Command& command = *m_command;
switch (mode) {
case PrintStatusMode::Basic:
outln("[{}] {} {} {}", m_job_id, background_indicator, status, command);
break;
case PrintStatusMode::OnlyPID:
outln("[{}] {} {} {} {}", m_job_id, background_indicator, m_pid, status, command);
break;
case PrintStatusMode::ListAll:
outln("[{}] {} {} {} {} {}", m_job_id, background_indicator, m_pid, m_pgid, status, command);
break;
}
fflush(stdout);
return true;
}
Job::Job(pid_t pid, unsigned pgid, String cmd, u64 job_id, AST::Command&& command)
: m_pgid(pgid)
, m_pid(pid)
, m_job_id(job_id)
, m_cmd(move(cmd))
{
m_command = make<AST::Command>(move(command));
set_running_in_background(false);
m_command_timer.start();
}
void Job::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 Job::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 Job::unblock() const
{
if (!m_exited && on_exit)
on_exit(*this);
}
}
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