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-rw-r--r--src/nvim/eval.c39
-rw-r--r--src/nvim/event/process.c3
2 files changed, 16 insertions, 26 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 89aaab4c4e..a50474a55a 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -12437,35 +12437,30 @@ static void f_jobwait(typval_T *argvars, typval_T *rettv, FunPtr fptr)
if (check_restricted() || check_secure()) {
return;
}
-
if (argvars[0].v_type != VAR_LIST || (argvars[1].v_type != VAR_NUMBER
&& argvars[1].v_type != VAR_UNKNOWN)) {
EMSG(_(e_invarg));
return;
}
-
+ ui_busy_start();
list_T *args = argvars[0].vval.v_list;
Channel **jobs = xcalloc(tv_list_len(args), sizeof(*jobs));
-
- ui_busy_start();
MultiQueue *waiting_jobs = multiqueue_new_parent(loop_on_put, &main_loop);
- // For each item in the input list append an integer to the output list. -3
- // is used to represent an invalid job id, -2 is for a interrupted job and
- // -1 for jobs that were skipped or timed out.
+ // Validate, prepare jobs for waiting.
int i = 0;
TV_LIST_ITER_CONST(args, arg, {
Channel *chan = NULL;
if (TV_LIST_ITEM_TV(arg)->v_type != VAR_NUMBER
|| !(chan = find_job(TV_LIST_ITEM_TV(arg)->vval.v_number, false))) {
- jobs[i] = NULL;
+ jobs[i] = NULL; // Invalid job.
} else {
jobs[i] = chan;
channel_incref(chan);
if (chan->stream.proc.status < 0) {
- // Process any pending events for the job because we'll temporarily
- // replace the parent queue
+ // Process any pending events on the job's queue before temporarily
+ // replacing it.
multiqueue_process_events(chan->events);
multiqueue_replace_parent(chan->events, waiting_jobs);
}
@@ -12482,40 +12477,36 @@ static void f_jobwait(typval_T *argvars, typval_T *rettv, FunPtr fptr)
for (i = 0; i < tv_list_len(args); i++) {
if (remaining == 0) {
- // timed out
- break;
+ break; // Timeout.
}
-
- // if the job already exited, but wasn't freed yet
if (jobs[i] == NULL) {
- continue;
+ continue; // Invalid job, will assign status=-3 below.
}
-
int status = process_wait(&jobs[i]->stream.proc, remaining,
waiting_jobs);
if (status < 0) {
- // interrupted or timed out, skip remaining jobs.
- break;
+ break; // Interrupted (CTRL-C) or timeout, skip remaining jobs.
}
if (remaining > 0) {
uint64_t now = os_hrtime();
- remaining -= (int) ((now - before) / 1000000);
+ remaining = MIN(0, remaining - (int)((now - before) / 1000000));
before = now;
- if (remaining <= 0) {
- break;
- }
}
}
list_T *const rv = tv_list_alloc(tv_list_len(args));
- // restore the parent queue for any jobs still alive
+ // For each job:
+ // * Restore its parent queue if the job is still alive.
+ // * Append its status to the output list, or:
+ // -3 for "invalid job id"
+ // -2 for "interrupted" (user hit CTRL-C)
+ // -1 for jobs that were skipped or timed out
for (i = 0; i < tv_list_len(args); i++) {
if (jobs[i] == NULL) {
tv_list_append_number(rv, -3);
continue;
}
- // restore the parent queue for the job
multiqueue_process_events(jobs[i]->events);
multiqueue_replace_parent(jobs[i]->events, main_loop.events);
diff --git a/src/nvim/event/process.c b/src/nvim/event/process.c
index c31ecdaddf..8e9964bd37 100644
--- a/src/nvim/event/process.c
+++ b/src/nvim/event/process.c
@@ -181,8 +181,7 @@ int process_wait(Process *proc, int ms, MultiQueue *events)
got_int // interrupted by the user
|| proc->refcount == 1); // job exited
- // we'll assume that a user frantically hitting interrupt doesn't like
- // the current job. Signal that it has to be killed.
+ // Assume that a user hitting CTRL-C does not like the current job. Kill it.
if (got_int) {
got_int = false;
process_stop(proc);