Add POSIX NSIG_MAX & _SC_NSIG

ricardobranco777 · ricardobranco777 · commit b231ad03f89c · 2025-05-27T12:53:55.000+02:00
Signed-off-by: Ricardo Branco &lt;rbranco@suse.de&gt;
diff --git a/include/limits.h b/include/limits.h
@@ -139,6 +139,7 @@
 
 #if __POSIX_VISIBLE >= 202405
 #define GETENTROPY_MAX		256
+#define NSIG_MAX		128	/* _SIG_MAXSIG from <signal.h> */
 #endif
 
 #include <sys/limits.h>
diff --git a/include/unistd.h b/include/unistd.h
@@ -294,6 +294,10 @@ typedef	__useconds_t	useconds_t;
 #define	_SC_CPUSET_SIZE		122
 #endif
 
+#if __POSIX_VISIBLE >= 202405
+#define	_SC_NSIG		123
+#endif
+
 /* Extensions found in Solaris and Linux. */
 #define	_SC_PHYS_PAGES		121
 
diff --git a/lib/libc/gen/sysconf.c b/lib/libc/gen/sysconf.c
@@ -286,6 +286,8 @@ sysconf(int name)
 		mib[0] = CTL_P1003_1B;
 		mib[1] = CTL_P1003_1B_MQ_OPEN_MAX;
 		goto yesno;
+	case _SC_NSIG:
+		return (_SIG_MAXSIG);
 	case _SC_PAGESIZE:
 		return (getpagesize());
 	case _SC_RTSIG_MAX:
