usleep hangs indefinitely when using -threaded
Consider the following two-line program.
import System.Posix.Unistd
main = usleep 1000000
When compiled without -threaded, the program nicely sleeps for one second, as expected. When compiled with -threaded, however, the program simply hangs.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 6.6 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |