provide NSIG under _BSD_SOURCE (default) as well as _GNU_SOURCE

[musl] / include / signal.h

diff --git a/include/signal.h b/include/signal.h
index 1014440..89080ab 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -13,6 +13,7 @@ extern "C" {
 
 #ifdef _GNU_SOURCE
 #define __siginfo siginfo
+#define __ucontext ucontext
 #endif
 
 #define __NEED_size_t
@@ -207,6 +208,10 @@ void (*sigset(int, void (*)(int)))(int);
 #define SIGSTKSZ 8192
 #endif
 
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+#define NSIG _NSIG
+#endif
+
 #ifdef _BSD_SOURCE
 typedef void (*sig_t)(int);
 #endif