signal: add marco _NSIG

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-10-12 13:14:48 +08:00 · 2022-10-12 13:14:48 +08:00 · 937bb44c45
commit 937bb44c45
parent 739be67744
1 changed files with 3 additions and 2 deletions
--- a/include/signal.h
+++ b/include/signal.h
@ -48,6 +48,7 @@

 #define SIGRTMIN        MIN_SIGNO       /* First real time signal */
 #define SIGRTMAX        MAX_SIGNO       /* Last real time signal */
+#define _NSIG           (MAX_SIGNO + 1) /* Biggest signal number + 1 */

 /* NuttX does not support all standard signal actions.  NuttX supports what
 * are referred to as "real time" signals.  The default action of all NuttX