s3: nmbd: Add a talloc_stackframe().

We will use this to create real tevent timer and fd
events.

This will allow us to eventually remove source3/lib/events.c
dependency and make nmbd purely tevent based.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=12283
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

diff --git a/source3/nmbd/nmbd_packets.c b/source3/nmbd/nmbd_packets.c
index caef1db378569073d1447916f9ad8d7eb7ec6e60..c0c4925d5b0ff6858d57995f7753e96714e353fe 100644 (file)
--- a/source3/nmbd/nmbd_packets.c
+++ b/source3/nmbd/nmbd_packets.c
@@ -1917,10 +1917,12 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
        int dns_pollidx = -1;
 #endif
        struct processed_packet *processed_packet_list = NULL;
+       TALLOC_CTX *frame = talloc_stackframe();
 
        if ((fds == NULL) || rescan_listen_set) {
                if (create_listen_pollfds(&fds, &attrs, &listen_number)) {
                        DEBUG(0,("listen_for_packets: Fatal error. unable to create listen set. Exiting.\n"));
+                       TALLOC_FREE(frame);
                        return True;
                }
                rescan_listen_set = False;
@@ -1934,6 +1936,7 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
 
        fds = talloc_realloc(NULL, fds, struct pollfd, listen_number);
        if (fds == NULL) {
+               TALLOC_FREE(frame);
                return true;
        }
        num_sockets = listen_number;
@@ -1943,6 +1946,7 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
        if (dns_fd != -1) {
                fds = talloc_realloc(NULL, fds, struct pollfd, num_sockets+1);
                if (fds == NULL) {
+                       TALLOC_FREE(frame);
                        return true;
                }
                attrs = talloc_realloc(NULL,
@@ -1951,6 +1955,7 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
                                        num_sockets + 1);
                if (attrs == NULL) {
                        TALLOC_FREE(fds);
+                       TALLOC_FREE(frame);
                        return true;
                }
                dns_pollidx = num_sockets;
@@ -1972,6 +1977,7 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
 
        /* Process a signal and timer events now... */
        if (run_events_poll(nmbd_event_context(), 0, NULL, 0)) {
+               TALLOC_FREE(frame);
                return False;
        }
 
@@ -1991,10 +1997,12 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
        pollrtn = poll(fds, num_sockets, timeout);
 
        if (run_events_poll(nmbd_event_context(), pollrtn, fds, num_sockets)) {
+               TALLOC_FREE(frame);
                return False;
        }
 
        if (pollrtn == -1) {
+               TALLOC_FREE(frame);
                return False;
        }
 
@@ -2089,6 +2097,7 @@ bool listen_for_packets(struct messaging_context *msg, bool run_election)
        }
 
        free_processed_packet_list(&processed_packet_list);
+       TALLOC_FREE(frame);
        return False;
 }