signal: add SA_NOMASK flag definition

according to linux kernel doc, "the SA_NOMASK is an obsolete, nonstandard synonym for this SA_NODEFER" flag, and some ltp linux kernel testcases need this flag, so we add this flag to make the testcases pass Signed-off-by: guoshichao <[email protected]>
open-vela · Dec 24, 2024 · 16c935c · 16c935c
1 parent 1714571
commit 16c935c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/signal.h b/include/signal.h
@@ -199,6 +199,10 @@
                                   * is delivered */
 #define SA_KERNELHAND   (1 << 7) /* Invoke the handler in kernel space directly */
 
+/* SA_NOMASK is a nonstandard synonym of SA_NODEFER */
+
+#define SA_NOMASK       SA_NODEFER
+
 /* These are the possible values of the siginfo si_code field */
 
 #define SI_USER         0  /* Signal sent from kill, raise, or abort */