Changes for C to C++. Adding extern C to header files for compatibility.

Also converting to .cc

1 files changed, 101 insertions, 0 deletions

diff --git a/src/core/lib/iomgr/timer_uv.cc b/src/core/lib/iomgr/timer_uv.cc
new file mode 100644
index 0000000000..adced41f53
--- /dev/null
+++ b/src/core/lib/iomgr/timer_uv.cc
@@ -0,0 +1,101 @@
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+#if GRPC_UV
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/iomgr_uv.h"
+#include "src/core/lib/iomgr/timer.h"
+
+#include <uv.h>
+
+grpc_tracer_flag grpc_timer_trace = GRPC_TRACER_INITIALIZER(false, "timer");
+grpc_tracer_flag grpc_timer_check_trace =
+    GRPC_TRACER_INITIALIZER(false, "timer_check");
+
+static void timer_close_callback(uv_handle_t *handle) { gpr_free(handle); }
+
+static void stop_uv_timer(uv_timer_t *handle) {
+  uv_timer_stop(handle);
+  uv_unref((uv_handle_t *)handle);
+  uv_close((uv_handle_t *)handle, timer_close_callback);
+}
+
+void run_expired_timer(uv_timer_t *handle) {
+  grpc_timer *timer = (grpc_timer *)handle->data;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  GRPC_UV_ASSERT_SAME_THREAD();
+  GPR_ASSERT(timer->pending);
+  timer->pending = 0;
+  GRPC_CLOSURE_SCHED(&exec_ctx, timer->closure, GRPC_ERROR_NONE);
+  stop_uv_timer(handle);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
+                     gpr_timespec deadline, grpc_closure *closure,
+                     gpr_timespec now) {
+  uint64_t timeout;
+  uv_timer_t *uv_timer;
+  GRPC_UV_ASSERT_SAME_THREAD();
+  timer->closure = closure;
+  if (gpr_time_cmp(deadline, now) <= 0) {
+    timer->pending = 0;
+    GRPC_CLOSURE_SCHED(exec_ctx, timer->closure, GRPC_ERROR_NONE);
+    return;
+  }
+  timer->pending = 1;
+  timeout = (uint64_t)gpr_time_to_millis(gpr_time_sub(deadline, now));
+  uv_timer = gpr_malloc(sizeof(uv_timer_t));
+  uv_timer_init(uv_default_loop(), uv_timer);
+  uv_timer->data = timer;
+  timer->uv_timer = uv_timer;
+  uv_timer_start(uv_timer, run_expired_timer, timeout, 0);
+  /* We assume that gRPC timers are only used alongside other active gRPC
+     objects, and that there will therefore always be something else keeping
+     the uv loop alive whenever there is a timer */
+  uv_unref((uv_handle_t *)uv_timer);
+}
+
+void grpc_timer_init_unset(grpc_timer *timer) { timer->pending = 0; }
+
+void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) {
+  GRPC_UV_ASSERT_SAME_THREAD();
+  if (timer->pending) {
+    timer->pending = 0;
+    GRPC_CLOSURE_SCHED(exec_ctx, timer->closure, GRPC_ERROR_CANCELLED);
+    stop_uv_timer((uv_timer_t *)timer->uv_timer);
+  }
+}
+
+grpc_timer_check_result grpc_timer_check(grpc_exec_ctx *exec_ctx,
+                                         gpr_timespec now, gpr_timespec *next) {
+  return GRPC_TIMERS_NOT_CHECKED;
+}
+
+void grpc_timer_list_init(gpr_timespec now) {}
+void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx) {}
+
+void grpc_timer_consume_kick(void) {}
+
+#endif /* GRPC_UV */