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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, DeprecatedString 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()
- {
- if (!m_exited && on_exit)
- on_exit(*this);
- }
- }
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