1 files changed, 25 insertions, 0 deletions
diff --git a/src/libskabus/skabus_rpc_cancel_async.c b/src/libskabus/skabus_rpc_cancel_async.c
new file mode 100644
index 0000000..f836ed1
--- /dev/null
+++ b/src/libskabus/skabus_rpc_cancel_async.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#include <stdint.h>
+#include <errno.h>
+#include <skalibs/uint64.h>
+#include <skalibs/gensetdyn.h>
+#include <skalibs/avltree.h>
+#include <skalibs/skaclient.h>
+#include <skabus/rpc.h>
+
+int skabus_rpc_cancel_async (skabus_rpc_t *a, uint64_t serial, unsigned char *err)
+{
+  uint32_t id ;
+  skabus_rpc_qinfo_t *p ;
+  char pack[9] = "C" ;
+  if (!avltree_search(&a->qmap, &serial, &id)) return 0 ;
+  p = GENSETDYN_P(skabus_rpc_qinfo_t, &a->q, id) ;
+  if (p->status != EAGAIN) return (errno = EINVAL, 0) ;
+  uint64_pack_big(pack+1, serial) ;
+  if (!skaclient_put(&a->connection, pack, 9, &skaclient_default_cb, err)) return 0 ;
+  p->status = EINVAL ;
+  avltree_delete(&a->qmap, &serial) ;
+  gensetdyn_delete(&a->q, id) ;
+  return 1 ;
+}