From cf886d0baf47c9f1cf58ed2278cb7b4bea0d808b Mon Sep 17 00:00:00 2001
From: romkatv <roman.perepelitsa@gmail.com>
Date: Fri, 24 Jan 2020 13:34:23 +0100
Subject: [PATCH] notes

---
 notes.txt | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/notes.txt b/notes.txt
index 889181e1..820543c7 100644
--- a/notes.txt
+++ b/notes.txt
@@ -10,3 +10,36 @@
   disabling implicit reset on every eval in _p9k_worker_receive.
 - implement fake gitstatus api on top of vcs_info (or plain git?) + worker and use it if there is no
   gitstatus.
+
+zmodload zsh/system
+
+() {
+  emulate -L zsh
+  unsetopt monitor
+  setopt monitor
+  [[ -o monitor ]] && echo monitor on
+  typeset -gi fd
+  (( fd )) && exec {fd}>&-
+  sysopen -r -o cloexec -u fd <(
+    local pid=$sysparams[pid]
+    (
+      echo $sysparams[pid] $sysparams[ppid] $pid >>/tmp/log
+      echo $pid
+      sleep 2 &
+      : <(sleep 3)
+      sleep 4
+      sleep 5
+    ) &)
+  sleep 1
+  ps axjf
+  local pid
+  IFS= read -r -u $fd pid
+  kill -- -$pid
+  ps axjf
+  exec {fd}>&-
+  fd=0
+}
+
+_p9k_worker_await <(...) callback
+
+callback gets access to REPLY and STATUS; no prev