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, 16 insertions, 0 deletions

diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 656c486e64fa..5aef371921e4 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -168,6 +168,22 @@ static inline void set_restore_sigmask(void)
         ti->status |= TS_RESTORE_SIGMASK;
         set_bit(TIF_SIGPENDING, &ti->flags);
 }
+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 /* _ASM_TILE_THREAD_INFO_H */