diff options
Diffstat (limited to 'rts/posix')
| -rw-r--r-- | rts/posix/Signals.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/rts/posix/Signals.c b/rts/posix/Signals.c index c1ffb5d2cf..ace58c2f98 100644 --- a/rts/posix/Signals.c +++ b/rts/posix/Signals.c @@ -95,7 +95,9 @@ setIOManagerPipe (int fd) { // only called when THREADED_RTS, but unconditionally // compiled here because GHC.Conc depends on it. - io_manager_pipe = fd; + if (io_manager_pipe < 0) { + io_manager_pipe = fd; + } } #if defined(THREADED_RTS) |