add some comments about the mips ksigaction structure weirdness

[musl] / src / internal / ksigaction.h

diff --git a/src/internal/ksigaction.h b/src/internal/ksigaction.h
index 9a70f93..2eacabf 100644 (file)
--- a/src/internal/ksigaction.h
+++ b/src/internal/ksigaction.h
@@ -1,3 +1,6 @@
+/* This is the structure used for the rt_sigaction syscall on most archs,
+ * but it can be overridden by a file with the same name in the top-level
+ * arch dir for a given arch, if necessary. */
 struct k_sigaction {
        void (*handler)(int);
        unsigned long flags;