--- a/jdk/src/java.base/unix/native/libnio/ch/NativeThread.c	Fri May 05 17:48:44 2017 +0200
+++ b/jdk/src/java.base/unix/native/libnio/ch/NativeThread.c	Thu May 11 17:55:05 2017 -0700
@@ -31,24 +31,21 @@
 #include "jlong.h"
 #include "sun_nio_ch_NativeThread.h"
 #include "nio_util.h"
+#include <signal.h>
 
 #ifdef __linux__
   #include <pthread.h>
-  #include <sys/signal.h>
   /* Also defined in net/linux_close.c */
   #define INTERRUPT_SIGNAL (__SIGRTMAX - 2)
 #elif _AIX
   #include <pthread.h>
-  #include <sys/signal.h>
   /* Also defined in net/aix_close.c */
   #define INTERRUPT_SIGNAL (SIGRTMAX - 1)
 #elif __solaris__
   #include <thread.h>
-  #include <signal.h>
   #define INTERRUPT_SIGNAL (SIGRTMAX - 2)
 #elif _ALLBSD_SOURCE
   #include <pthread.h>
-  #include <signal.h>
   /* Also defined in net/bsd_close.c */
   #define INTERRUPT_SIGNAL SIGIO
 #else