dbus: make bus_flags_to_events() and friends generally useful
diff --git a/src/dbus-common.c b/src/dbus-common.c
index 5db077b..c2650fd 100644
--- a/src/dbus-common.c
+++ b/src/dbus-common.c
@@ -27,6 +27,7 @@
#include <stdlib.h>
#include <dbus/dbus.h>
#include <string.h>
+#include <sys/epoll.h>
#include "log.h"
#include "dbus-common.h"
@@ -698,3 +699,38 @@
return NULL;
}
+
+uint32_t bus_flags_to_events(DBusWatch *bus_watch) {
+ unsigned flags;
+ uint32_t events = 0;
+
+ assert(bus_watch);
+
+ /* no watch flags for disabled watches */
+ if (!dbus_watch_get_enabled(bus_watch))
+ return 0;
+
+ flags = dbus_watch_get_flags(bus_watch);
+
+ if (flags & DBUS_WATCH_READABLE)
+ events |= EPOLLIN;
+ if (flags & DBUS_WATCH_WRITABLE)
+ events |= EPOLLOUT;
+
+ return events | EPOLLHUP | EPOLLERR;
+}
+
+unsigned bus_events_to_flags(uint32_t events) {
+ unsigned flags = 0;
+
+ if (events & EPOLLIN)
+ flags |= DBUS_WATCH_READABLE;
+ if (events & EPOLLOUT)
+ flags |= DBUS_WATCH_WRITABLE;
+ if (events & EPOLLHUP)
+ flags |= DBUS_WATCH_HANGUP;
+ if (events & EPOLLERR)
+ flags |= DBUS_WATCH_ERROR;
+
+ return flags;
+}