fix places where _BSD_SOURCE failed to yield a superset of _XOPEN_SOURCE

[musl] / include / signal.h

diff --git a/include/signal.h b/include/signal.h
index c36e4d5..87301ba 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -196,7 +196,7 @@ void psignal(int, const char *);
 
 #endif
 
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 int killpg(pid_t, int);
 int sigaltstack(const stack_t *__restrict, stack_t *__restrict);
 int sighold(int);