winbind: Use standard tevent_context_init

This makes winbind use epoll instead of poll

Reviewed by: Jeremy Allison <jra@samba.org>

3 files changed, 34 insertions, 7 deletions

diff --git a/source3/winbindd/winbindd.c b/source3/winbindd/winbindd.c
index 698c96cd53..ebaa080bc0 100644
--- a/source3/winbindd/winbindd.c
+++ b/source3/winbindd/winbindd.c
@@ -49,14 +49,42 @@ static bool interactive = False;
 
 extern bool override_logfile;
 
+struct tevent_context *winbind_event_context(void)
+{
+	static struct tevent_context *ev = NULL;
+
+	if (ev != NULL) {
+		return ev;
+	}
+
+	/*
+	 * Note we MUST use the NULL context here, not the autofree context,
+	 * to avoid side effects in forked children exiting.
+	 */
+	ev = tevent_context_init(NULL);
+	if (ev == NULL) {
+		smb_panic("Could not init winbindd's messaging context.\n");
+	}
+	return ev;
+}
+
 struct messaging_context *winbind_messaging_context(void)
 {
-	struct messaging_context *msg_ctx = server_messaging_context();
-	if (likely(msg_ctx != NULL)) {
-		return msg_ctx;
+	static struct messaging_context *msg = NULL;
+
+	if (msg != NULL) {
+		return msg;
+	}
+
+	/*
+	 * Note we MUST use the NULL context here, not the autofree context,
+	 * to avoid side effects in forked children exiting.
+	 */
+	msg = messaging_init(NULL, winbind_event_context());
+	if (msg == NULL) {
+		smb_panic("Could not init winbindd's messaging context.\n");
 	}
-	smb_panic("Could not init winbindd's messaging context.\n");
-	return NULL;
+	return msg;
 }
 
 /* Reload configuration */
diff --git a/source3/winbindd/winbindd.h b/source3/winbindd/winbindd.h
index 33c7bbe5c6..c01cac7ab3 100644
--- a/source3/winbindd/winbindd.h
+++ b/source3/winbindd/winbindd.h
@@ -396,6 +396,4 @@ struct WINBINDD_CCACHE_ENTRY {
 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
 #define DOM_SEQUENCE_NONE ((uint32)-1)
 
-#define winbind_event_context server_event_context
-
 #endif /* _WINBINDD_H */
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 44693d71dc..33b0f01f3d 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -34,6 +34,7 @@ bool winbindd_use_idmap_cache(void);
 bool winbindd_use_cache(void);
 const char *get_winbind_pipe_dir(void);
 char *get_winbind_priv_pipe_dir(void);
+struct tevent_context *winbind_event_context(void);
 int main(int argc, char **argv, char **envp);
 
 /* The following definitions come from winbindd/winbindd_ads.c  */