new helpers: {clear,test,test_and_clear}_restore_sigmask()

[sfrench/cifs-2.6.git] / arch / sh / include / asm / thread_info.h

diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 0c04ffc4f12c41d344eded872aea06aaf7232e2b..a109157c6b8fe4e7125da524fb32264a66a81679 100644 (file)
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -189,6 +189,23 @@ static inline unsigned int get_thread_fault_code(void)
        struct thread_info *ti = current_thread_info();
        return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT;
 }
+
+static inline void clear_restore_sigmask(void)
+{
+       current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+}
+static inline bool test_restore_sigmask(void)
+{
+       return current_thread_info()->status & TS_RESTORE_SIGMASK;
+}
+static inline bool test_and_clear_restore_sigmask(void)
+{
+       struct thread_info *ti = current_thread_info();
+       if (!(ti->status & TS_RESTORE_SIGMASK))
+               return false;
+       ti->status &= ~TS_RESTORE_SIGMASK;
+       return true;
+}
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */