Merge pull request #5447 from FedericoCeratto/patch-25

Add note about passing channels between threads.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/system/channels.nim b/lib/system/channels.nim
index 4b8b895a5..42096323c 100644
--- a/lib/system/channels.nim
+++ b/lib/system/channels.nim
@@ -13,6 +13,8 @@
 ##
 ## **Note:** The current implementation of message passing is slow and does
 ## not work with cyclic data structures.
+## **Note:** Channels cannot be passed between threads. Use globals or pass
+## them by `ptr`.
 
 when not declared(NimString):
   {.error: "You must not import this module explicitly".}