[newlib-cygwin] Cygwin: pthread_timedjoin_np: return ETIMEDOUT, not EBUSY

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=cb3ddf9e2ac1ca094cc0818188248fe10811fa19

commit cb3ddf9e2ac1ca094cc0818188248fe10811fa19
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Jun 27 18:13:38 2018 +0200

    Cygwin: pthread_timedjoin_np: return ETIMEDOUT, not EBUSY
    
    pthread_timedjoin_np returns ETIMEDOUT if a thread is still running,
    not EBUSY as pthread_tryjoin_np.
    
    Also, clean up initializing timeout in pthread_tryjoin_np.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/thread.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/thread.cc b/winsup/cygwin/thread.cc
index 2734d17..2cbdcf5 100644
--- a/winsup/cygwin/thread.cc
+++ b/winsup/cygwin/thread.cc
@@ -2472,7 +2472,7 @@ pthread::join (pthread_t *thread, void **return_val, PLARGE_INTEGER timeout)
 	  // set joined thread back to joinable since we got canceled
 	  (*thread)->joiner = NULL;
 	  (*thread)->attr.joinable = PTHREAD_CREATE_JOINABLE;
-	  return EBUSY;
+	  return (timeout && timeout->QuadPart == 0LL) ? EBUSY : ETIMEDOUT;
 	default:
 	  // should never happen
 	  return EINVAL;
@@ -2588,7 +2588,7 @@ pthread_join (pthread_t thread, void **return_val)
 extern "C" int
 pthread_tryjoin_np (pthread_t thread, void **return_val)
 {
-  LARGE_INTEGER timeout = { 0, 0 };
+  LARGE_INTEGER timeout = { QuadPart:0LL };
 
   return pthread::join (&thread, (void **) return_val, &timeout);
 }