summary refs log tree commit diff stats
path: root/tests/threads/ttryrecv.nim
blob: 5ef1a3c10f7fe736a0802f781490fe7c3d852d44 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
discard """
  disabled: yes
  outputsub: "channel is empty"
"""

# bug #1816

from random import random
from os import sleep

type PComm = ptr Channel[int]

proc doAction(outC: PComm) {.thread.} =
  for i in 0.. <5:
    sleep(random(100))
    send(outC[], i)

var
  thr: Thread[PComm]
  chan: Channel[int]

open(chan)
createThread[PComm](thr, doAction, addr(chan))

while true:
  let (flag, x) = tryRecv(chan)
  if flag:
    echo("received from chan: " & $x)
  else:
    echo "channel is empty"
    break

echo "Finished listening"

joinThread(thr)
close(chan)