Mention the sa_handler and sa_sigaction #defines in the synopsis.

Mark sa_sigaction consistently.

MFC after: 1 week

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 1e508c8..762aa45 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -52,6 +52,9 @@ struct  sigaction {
         int     sa_flags;               /* see signal options below */
         sigset_t sa_mask;               /* signal mask to apply */
 };
+
+#define	sa_handler	__sigaction_u.__sa_handler
+#define	sa_sigaction	__sigaction_u.__sa_sigaction
 .Ed
 .Ft int
 .Fn sigaction "int sig" "const struct sigaction *act" "struct sigaction *oact"
@@ -209,9 +212,10 @@ at the moment the signal is delivered.
 .It Dv SA_RESTART
 See paragraph below.
 .It Dv SA_SIGINFO
-If this bit is set, the handler function is assumed to be pointed to
-by the sa_sigaction member of struct sigaction and should match the
-prototype shown above or as below in
+If this bit is set, the handler function is assumed to be pointed to by the
+.Dv sa_sigaction
+member of struct sigaction and should match the prototype shown above or as
+below in
 .Sx EXAMPLES .
 This bit should not be set when assigning
 .Dv SIG_DFL