try to fix "too many open files" error

2020-10-05 18:27:00 +02:00 · 2020-10-05 18:27:00 +02:00 · 5a30d6e015
parent f1d917d49e
commit 5a30d6e015
1 changed files with 4 additions and 0 deletions
--- a/asyncutils.nim
+++ b/asyncutils.nim
@ -39,9 +39,13 @@ proc asyncExecCmd*(command: string): Future[string] =
  let flowVar = spawn execCmdBackground(successEvent, failureEvent, command)
  proc successCallback(fd: AsyncFD): bool =
    future.complete(^flowVar)
+    successEvent.unregister()
+    failureEvent.unregister()
    true
  proc failureCallback(fd: AsyncFD): bool =
    future.fail(newException(OSError, ^flowVar))
+    successEvent.unregister()
+    failureEvent.unregister()
    true
  addEvent(successEvent, successCallback)
  addEvent(failureEvent, failureCallback)