1 files changed, 11 insertions, 0 deletions
diff --git a/src/pth.h b/src/pth.h
index 3b0d708..0ede191 100644
--- a/src/pth.h
+++ b/src/pth.h
@@ -25,5 +25,16 @@ void prne_init_worker (prne_worker_t *w);
 void prne_free_worker (prne_worker_t *w);
 void prne_fin_worker (prne_worker_t *w);
 
+/* Workaround for bug in GNU Pth
+* Calling pth_poll() with pollfd element whose fd is negative value results in
+* undefined behaviour as stated in POSIX(FD_SET() with invalid value is
+* undefined). GNU Pth uses FD_SET() with invalid values on purpose to achieve
+* something.
+*/
+int prne_pth_poll (
+	struct pollfd *pfd,
+	const nfds_t nfs,
+	const int timeout,
+	pth_event_t ev);
 void prne_pth_cv_notify (pth_mutex_t *lock, pth_cond_t *cond, bool broadcast);
 pth_time_t prne_pth_tstimeout (const struct timespec ts);