htl: Keep thread signals blocked during its initialization

One may send signals immediately after creating a thread. We need to block them
until the thread is ready to run signal handlers.

1 files changed, 3 insertions, 0 deletions

diff --git a/htl/pt-internal.h b/htl/pt-internal.h
index e0baa6bcda..9dffa0e32e 100644
--- a/htl/pt-internal.h
+++ b/htl/pt-internal.h
@@ -102,6 +102,9 @@ struct __pthread
   /* Indicates whether is a C11 thread created by thrd_creat.  */
   bool c11;
 
+  /* Initial sigset for the thread.  */
+  sigset_t init_sigset;
+
   /* Thread context.  */
   struct pthread_mcontext mcontext;