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

[sfrench/cifs-2.6.git] / include / linux / thread_info.h

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index db78775eff3b209b534d157d4cec7d90eec8b175..ed279701ac79c9d8f3412553b877cc4b641e9e61 100644 (file)
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -127,8 +127,24 @@ static inline void set_restore_sigmask(void)
        set_thread_flag(TIF_RESTORE_SIGMASK);
        set_thread_flag(TIF_SIGPENDING);
 }
+static inline void clear_restore_sigmask(void)
+{
+       clear_thread_flag(TIF_RESTORE_SIGMASK);
+}
+static inline bool test_restore_sigmask(void)
+{
+       return test_thread_flag(TIF_RESTORE_SIGMASK);
+}
+static inline bool test_and_clear_restore_sigmask(void)
+{
+       return test_and_clear_thread_flag(TIF_RESTORE_SIGMASK);
+}
 #endif /* TIF_RESTORE_SIGMASK && !HAVE_SET_RESTORE_SIGMASK */
 
+#ifndef HAVE_SET_RESTORE_SIGMASK
+#error "no set_restore_sigmask() provided and default one won't work"
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_THREAD_INFO_H */