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Merge #4798 'process.c: Fix block in teardown'

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This commit is contained in:
Justin M. Keyes 2016-07-16 03:36:12 -04:00
commit 7fa1baf44e
1 changed files with 12 additions and 13 deletions
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25
src/nvim/event/process.c
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@ -116,23 +116,20 @@ void process_teardown(Loop *loop) FUNC_ATTR_NONNULL_ALL
process_is_tearing_down = true;
kl_iter(WatcherPtr, loop->children, current) {
Process *proc = (*current)->data;
if (proc->detach) {
if (proc->detach || proc->type == kProcessTypePty) {
// Close handles to process without killing it.
CREATE_EVENT(loop->events, process_close_handles, 1, proc);
} else {
if (proc->type == kProcessTypeUv) {
uv_kill(proc->pid, SIGTERM);
proc->term_sent = true;
process_stop(proc);
} else { // kProcessTypePty
process_close_streams(proc);
pty_process_close_master((PtyProcess *)proc);
}
uv_kill(proc->pid, SIGTERM);
proc->term_sent = true;
process_stop(proc);
}
}
// Wait until all children exit
LOOP_PROCESS_EVENTS_UNTIL(loop, loop->events, -1, kl_empty(loop->children));
// Wait until all children exit and all close events are processed.
LOOP_PROCESS_EVENTS_UNTIL(
loop, loop->events, -1,
kl_empty(loop->children) && queue_empty(loop->events));
pty_process_teardown(loop);
}
@ -315,8 +312,10 @@ static void decref(Process *proc)
static void process_close(Process *proc)
FUNC_ATTR_NONNULL_ARG(1)
{
if (process_is_tearing_down && proc->detach && proc->closed) {
// If a detached process dies while tearing down it might get closed twice.
if (process_is_tearing_down && (proc->detach || proc->type == kProcessTypePty)
&& proc->closed) {
// If a detached/pty process dies while tearing down it might get closed
// twice.
return;
}
assert(!proc->closed);