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

helpers parallel to set_restore_sigmask(), used in the next commits

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index eee729428683..ed279701ac79 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -127,6 +127,18 @@ 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