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authorHavoc Pennington <hp@redhat.com>2003-03-17 01:54:37 +0000
committerHavoc Pennington <hp@redhat.com>2003-03-17 01:54:37 +0000
commitb4a1100f4f81534e2aac0141afda750f318223d4 (patch)
tree9573e47181fc32c40f4784df0d22b2c6ee4143c4 /dbus/dbus-server.c
parent3caaa342e8db2cba690bb9e1a228ef3862e203d8 (diff)
2003-03-16 Havoc Pennington <hp@pobox.com>
* dbus/dbus-watch.c (_dbus_watch_new): handle failure to malloc the watch * dbus/dbus-server-debug-pipe.c (_dbus_transport_debug_pipe_new): add some missing dbus_set_result * bus/dispatch.c (bus_dispatch_add_connection): handle failure to alloc the DBusMessageHandler * dbus/dbus-transport.c (_dbus_transport_disconnect): don't ref the transport here, since we call this from the finalizer; it resulted in a double-finalize. * dbus/dbus-transport.c (_dbus_transport_disconnect): fix a bug where we tried to use transport->connection that was NULL, happened when transport was disconnected early on due to OOM * bus/*.c: adapt to handle OOM for watches/timeouts * dbus/dbus-transport-unix.c: port to handle OOM during watch handling * dbus/dbus-auth.c (_dbus_auth_get_unused_bytes): return a reference to unused bytes instead of a copy * dbus/dbus-server.c (dbus_server_handle_watch): return FALSE for out of memory * dbus/dbus-connection.c (dbus_connection_handle_watch): return FALSE on OOM * dbus/dbus-timeout.c (dbus_timeout_handle): return FALSE for out of memory
Diffstat (limited to 'dbus/dbus-server.c')
-rw-r--r--dbus/dbus-server.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/dbus/dbus-server.c b/dbus/dbus-server.c
index 79ed7ed4..ba48cd97 100644
--- a/dbus/dbus-server.c
+++ b/dbus/dbus-server.c
@@ -498,12 +498,19 @@ dbus_server_set_timeout_functions (DBusServer *server,
* Called to notify the server when a previously-added watch
* is ready for reading or writing, or has an exception such
* as a hangup.
+ *
+ * If this function returns #FALSE, then the file descriptor may still
+ * be ready for reading or writing, but more memory is needed in order
+ * to do the reading or writing. If you ignore the #FALSE return, your
+ * application may spin in a busy loop on the file descriptor until
+ * memory becomes available, but nothing more catastrophic should
+ * happen.
*
* @param server the server.
* @param watch the watch.
* @param condition the current condition of the file descriptors being watched.
*/
-void
+dbus_bool_t
dbus_server_handle_watch (DBusServer *server,
DBusWatch *watch,
unsigned int condition)
@@ -512,7 +519,7 @@ dbus_server_handle_watch (DBusServer *server,
_dbus_watch_sanitize_condition (watch, &condition);
- (* server->vtable->handle_watch) (server, watch, condition);
+ return (* server->vtable->handle_watch) (server, watch, condition);
}
/**