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Minor refactoring of logic around when a job wants to claim the terminal

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Introduce should_claim_terminal() which encapsulates an && exprsesion which
was previously repeated a lot.
This commit is contained in:
ridiculousfish 2019-07-12 13:31:56 -07:00
parent d577eb4aaa
commit 8181883111
3 changed files with 6 additions and 7 deletions
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5
src/exec.cpp
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@ -281,7 +281,7 @@ static bool can_use_posix_spawn_for_job(const std::shared_ptr<job_t> &job) {
if (job->wants_job_control()) { //!OCLINT(collapsible if statements)
// We are going to use job control; therefore when we launch this job it will get its own
// process group ID. But will it be foregrounded?
if (job->wants_terminal() && job->is_foreground()) {
if (job->should_claim_terminal()) {
// It will be foregrounded, so we will call tcsetpgrp(), therefore do not use
// posix_spawn.
return false;
@ -446,8 +446,7 @@ static bool fork_child_for_process(const std::shared_ptr<job_t> &job, process_t
maybe_t<pid_t> new_termowner{};
p->pid = getpid();
child_set_group(job.get(), p);
child_setup_process(job->wants_terminal() && job->is_foreground() ? job->pgid : INVALID_PID,
true, dup2s);
child_setup_process(job->should_claim_terminal() ? job->pgid : INVALID_PID, true, dup2s);
child_action();
DIE("Child process returned control to fork_child lambda!");
}

4
src/proc.cpp
View file

@ -681,8 +681,8 @@ void proc_update_jiffies(parser_t &parser) {
int terminal_maybe_give_to_job(const job_t *j, bool continuing_from_stopped) {
enum { notneeded = 0, success = 1, error = -1 };
if (!j->wants_terminal() || !j->is_foreground()) {
// We don't want the job.
if (!j->should_claim_terminal()) {
// The job doesn't want the terminal.
return notneeded;
}

4
src/proc.h
View file

@ -397,8 +397,8 @@ class job_t {
/// \return if we want job control.
bool wants_job_control() const { return get_flag(job_flag_t::JOB_CONTROL); }
/// \return if this job wants to own the terminal in the foreground.
bool wants_terminal() const { return properties.wants_terminal; }
/// \return if this job should own the terminal when it runs.
bool should_claim_terminal() const { return properties.wants_terminal && is_foreground(); }
/// Returns the block IO redirections associated with the job. These are things like the IO
/// redirections associated with the begin...end statement.