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-rw-r--r--sys/sys/signal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/signal.h b/sys/sys/signal.h
index fd4384d00ce4..e90b107d170d 100644
--- a/sys/sys/signal.h
+++ b/sys/sys/signal.h
@@ -72,7 +72,7 @@
#define SIGBUS 10 /* bus error */
#endif
#define SIGSEGV 11 /* segmentation violation */
-#if __BSD_VISIBLE
+#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#define SIGSYS 12 /* non-existent system call invoked */
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE