| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H |
| #define GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H |
| |
| /* Internal API for completion channels */ |
| |
| #include "src/core/iomgr/pollset.h" |
| #include <grpc/grpc.h> |
| |
| /* A finish func is executed whenever the event consumer calls |
| grpc_event_finish */ |
| typedef void (*grpc_event_finish_func)(void *user_data, grpc_op_error error); |
| |
| void grpc_cq_internal_ref(grpc_completion_queue *cc); |
| void grpc_cq_internal_unref(grpc_completion_queue *cc); |
| |
| /* Flag that an operation is beginning: the completion channel will not finish |
| shutdown until a corrensponding grpc_cq_end_* call is made */ |
| void grpc_cq_begin_op(grpc_completion_queue *cc, grpc_call *call, |
| grpc_completion_type type); |
| |
| /* grpc_cq_end_* functions pair with a grpc_cq_begin_op |
| |
| grpc_cq_end_* common arguments: |
| cc - the completion channel to queue on |
| tag - the user supplied operation tag |
| on_finish - grpc_event_finish_func that is called during grpc_event_finish |
| can be NULL to not get a callback |
| user_data - user_data parameter to be passed to on_finish |
| |
| Other parameters match the data member of grpc_event */ |
| |
| /* Queue a GRPC_OP_COMPLETED operation */ |
| void grpc_cq_end_op(grpc_completion_queue *cc, void *tag, grpc_call *call, |
| grpc_event_finish_func on_finish, void *user_data, |
| grpc_op_error error); |
| |
| void grpc_cq_end_server_shutdown(grpc_completion_queue *cc, void *tag); |
| |
| /* disable polling for some tests */ |
| void grpc_completion_queue_dont_poll_test_only(grpc_completion_queue *cc); |
| |
| void grpc_cq_dump_pending_ops(grpc_completion_queue *cc); |
| |
| grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc); |
| |
| void grpc_cq_hack_spin_pollset(grpc_completion_queue *cc); |
| |
| #endif /* GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H */ |