event: be more conservative when returning errors from event handler callbacks

[elogind.git] / src / socket-proxy / socket-proxyd.c

diff --git a/src/socket-proxy/socket-proxyd.c b/src/socket-proxy/socket-proxyd.c
index 56e660de57cb6b50cddd7b2d4c4a64ce22309c55..b066633b1d83663a467d1b810746876c95d31466 100644 (file)
--- a/src/socket-proxy/socket-proxyd.c
+++ b/src/socket-proxy/socket-proxyd.c
@@ -287,7 +287,7 @@ static int traffic_cb(sd_event_source *s, int fd, uint32_t revents, void *userda
         if (c->client_fd == -1 && c->client_to_server_buffer_full <= 0)
                 goto quit;
 
-        r = connection_enable_event_sources(c, sd_event_get(s));
+        r = connection_enable_event_sources(c, sd_event_source_get_event(s));
         if (r < 0)
                 goto quit;
 
@@ -373,7 +373,7 @@ static int connect_cb(sd_event_source *s, int fd, uint32_t revents, void *userda
         if (r < 0)
                 goto fail;
 
-        r = connection_enable_event_sources(c, sd_event_get(s));
+        r = connection_enable_event_sources(c, sd_event_source_get_event(s));
         if (r < 0)
                 goto fail;
 
@@ -462,6 +462,7 @@ fail:
 }
 
 static int accept_cb(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+        _cleanup_free_ char *peer = NULL;
         Context *context = userdata;
         int nfd = -1, r;
 
@@ -471,24 +472,24 @@ static int accept_cb(sd_event_source *s, int fd, uint32_t revents, void *userdat
         assert(context);
 
         nfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);
-        if (nfd >= 0) {
-                _cleanup_free_ char *peer = NULL;
-
+        if (nfd < 0) {
+                if (errno != -EAGAIN)
+                        log_warning("Failed to accept() socket: %m");
+        } else {
                 getpeername_pretty(nfd, &peer);
                 log_debug("New connection from %s", strna(peer));
 
-                r = add_connection_socket(context, sd_event_get(s), nfd);
+                r = add_connection_socket(context, sd_event_source_get_event(s), nfd);
                 if (r < 0) {
+                        log_error("Failed to accept connection, ignoring: %s", strerror(-r));
                         close_nointr_nofail(fd);
-                        return r;
                 }
-
-        } else if (errno != -EAGAIN)
-                log_warning("Failed to accept() socket: %m");
+        }
 
         r = sd_event_source_set_enabled(s, SD_EVENT_ONESHOT);
         if (r < 0) {
-                log_error("Error %d while re-enabling listener with ONESHOT: %s", r, strerror(-r));
+                log_error("Error while re-enabling listener with ONESHOT: %s", strerror(-r));
+                sd_event_exit(sd_event_source_get_event(s), r);
                 return r;
         }
 
@@ -626,12 +627,14 @@ int main(int argc, char *argv[]) {
         if (r <= 0)
                 goto finish;
 
-        r = sd_event_new(&event);
+        r = sd_event_default(&event);
         if (r < 0) {
                 log_error("Failed to allocate event loop: %s", strerror(-r));
                 goto finish;
         }
 
+        sd_event_set_watchdog(event, true);
+
         n = sd_listen_fds(1);
         if (n < 0) {
                 log_error("Failed to receive sockets from parent.");