rt: Add rust_dbg_next_port for generating test port numbers

2013-04-20 00:24:44 -07:00
parent 6a5c4f68c2
commit 1f97e6d47f
2 changed files with 12 additions and 1 deletions
--- a/src/rt/rust_test_helpers.cpp
+++ b/src/rt/rust_test_helpers.cpp
@@ -165,3 +165,14 @@ extern "C" CDECL TwoDoubles
 rust_dbg_extern_identity_TwoDoubles(TwoDoubles u) {
    return u;
 }
+
+// Generates increasing port numbers for network testing
+extern "C" CDECL uintptr_t
+rust_dbg_next_port() {
+  static lock_and_signal dbg_port_lock;
+  static uintptr_t next_port = 9000;
+  scoped_lock with(dbg_port_lock);
+  uintptr_t this_port = next_port;
+  next_port += 1;
+  return this_port;
+}