diff options
Diffstat (limited to 'libraries/base/System/Timeout.hs')
| -rw-r--r-- | libraries/base/System/Timeout.hs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libraries/base/System/Timeout.hs b/libraries/base/System/Timeout.hs index f3081e7082..3cca893c4d 100644 --- a/libraries/base/System/Timeout.hs +++ b/libraries/base/System/Timeout.hs @@ -58,7 +58,9 @@ instance Exception Timeout where -- is available within @n@ microseconds (@1\/10^6@ seconds). In case a result -- is available before the timeout expires, @Just a@ is returned. A negative -- timeout interval means \"wait indefinitely\". When specifying long timeouts, --- be careful not to exceed @maxBound :: Int@. +-- be careful not to exceed @maxBound :: Int@, which on 32-bit machines is only +-- 2147483647 μs, less than 36 minutes. +-- Consider using @Control.Concurrent.Timeout.timeout@ from @unbounded-delays@ package. -- -- >>> timeout 1000000 (threadDelay 1000 *> pure "finished on time") -- Just "finished on time" |