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-rw-r--r--src/internal/ksigaction.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/internal/ksigaction.h b/src/internal/ksigaction.h
index 9a70f937..2eacabf1 100644
--- 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;