diff options
Diffstat (limited to 'src/core/lib/iomgr/polling_entity.c')
-rw-r--r-- | src/core/lib/iomgr/polling_entity.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/polling_entity.c b/src/core/lib/iomgr/polling_entity.c new file mode 100644 index 0000000000..d1686aa12f --- /dev/null +++ b/src/core/lib/iomgr/polling_entity.c @@ -0,0 +1,104 @@ +/* + * + * Copyright 2016, 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. + * + */ + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#include "src/core/lib/iomgr/polling_entity.h" + +grpc_polling_entity grpc_polling_entity_create_from_pollset_set( + grpc_pollset_set *pollset_set) { + grpc_polling_entity pollent; + pollent.pollent.pollset_set = pollset_set; + pollent.tag = POPS_POLLSET_SET; + return pollent; +} + +grpc_polling_entity grpc_polling_entity_create_from_pollset( + grpc_pollset *pollset) { + grpc_polling_entity pollent; + pollent.pollent.pollset = pollset; + pollent.tag = POPS_POLLSET; + return pollent; +} + +grpc_pollset *grpc_polling_entity_pollset(grpc_polling_entity *pollent) { + if (pollent->tag == POPS_POLLSET) { + return pollent->pollent.pollset; + } + return NULL; +} + +grpc_pollset_set *grpc_polling_entity_pollset_set( + grpc_polling_entity *pollent) { + if (pollent->tag == POPS_POLLSET_SET) { + return pollent->pollent.pollset_set; + } + return NULL; +} + +bool grpc_polling_entity_is_empty(const grpc_polling_entity *pollent) { + return pollent->tag == POPS_NONE; +} + +void grpc_polling_entity_add_to_pollset_set(grpc_exec_ctx *exec_ctx, + grpc_polling_entity *pollent, + grpc_pollset_set *pss_dst) { + if (pollent->tag == POPS_POLLSET) { + GPR_ASSERT(pollent->pollent.pollset != NULL); + grpc_pollset_set_add_pollset(exec_ctx, pss_dst, pollent->pollent.pollset); + } else if (pollent->tag == POPS_POLLSET_SET) { + GPR_ASSERT(pollent->pollent.pollset_set != NULL); + grpc_pollset_set_add_pollset_set(exec_ctx, pss_dst, + pollent->pollent.pollset_set); + } else { + gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag); + abort(); + } +} + +void grpc_polling_entity_del_from_pollset_set(grpc_exec_ctx *exec_ctx, + grpc_polling_entity *pollent, + grpc_pollset_set *pss_dst) { + if (pollent->tag == POPS_POLLSET) { + GPR_ASSERT(pollent->pollent.pollset != NULL); + grpc_pollset_set_del_pollset(exec_ctx, pss_dst, pollent->pollent.pollset); + } else if (pollent->tag == POPS_POLLSET_SET) { + GPR_ASSERT(pollent->pollent.pollset_set != NULL); + grpc_pollset_set_del_pollset_set(exec_ctx, pss_dst, + pollent->pollent.pollset_set); + } else { + gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag); + abort(); + } +} |