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-rw-r--r--libc/include/sys/cdefs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index ca81cb6..6bae25c 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -510,4 +510,12 @@
#define __BIONIC_FORTIFY_UNKNOWN_SIZE ((size_t) -1)
#endif
+/* Indicates to client code that <signal.h> now defines 'struct sigcontext'
+ * properly. See comments in <signal.h> */
+#define __BIONIC_HAVE_STRUCT_SIGCONTEXT 1
+
+/* Indicates to client code that <signal.h> now defines 'ucontext_t' */
+/* NOTE: That does not mean that <ucontext.h> is available! */
+#define __BIONIC_HAVE_UCONTEXT_T 1
+
#endif /* !_SYS_CDEFS_H_ */