sparc64: disable np-flag support

Doesn't work reliably right now anyway.

1 files changed, 14 insertions, 4 deletions

diff --git a/src/kernel_iface.c b/src/kernel_iface.c
index d29c652..e5bf1ea 100644
--- a/src/kernel_iface.c
+++ b/src/kernel_iface.c
@@ -22,33 +22,40 @@ int register_np_flag(struct np_flag* flag);
 int signal_exit_np(void);
 
 
-
+#ifndef __sparc__
 static __thread struct np_flag np_flag;
-
+#endif
 
 int init_kernel_iface(void)
 {
-        int ret;
+        int ret = 0;
+#ifndef __sparc__ /* currently not supported in sparc64 */
         np_flag.preemptivity = RT_PREEMPTIVE;
         np_flag.ctr = 0;
         ret = register_np_flag(&np_flag);
-        check("register_np_flag()");  
+        check("register_np_flag()");
+#endif
         return ret;
 }
 
 void enter_np(void)
 {
+#ifndef __sparc__
         if (++np_flag.ctr == 1)
         {
                 np_flag.request = 0;
                 barrier();
                 np_flag.preemptivity = RT_NON_PREEMPTIVE;
         }
+#else
+        fprintf(stderr, "enter_np: not implemented!\n");
+#endif
 }
 
 
 void exit_np(void)
 {
+#ifndef __sparc__
         if (--np_flag.ctr == 0)
         {
                 np_flag.preemptivity = RT_PREEMPTIVE;
@@ -56,5 +63,8 @@ void exit_np(void)
                 if (np_flag.request == RT_EXIT_NP_REQUESTED)
                         signal_exit_np();
         }
+#else
+        fprintf(stderr, "exit_np: not implemented!\n");
+#endif
 }