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Update ipc.cpp

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fix bug: id == invalid_value not processed.
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木头云 2021-05-07 16:47:49 +08:00 committed by GitHub
parent 9aab0d4f21
commit a85199d2d4
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1 changed files with 6 additions and 0 deletions
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src/ipc.cpp
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@ -104,6 +104,7 @@ struct chunk_info_t {
}
ipc::byte_t *at(std::size_t chunk_size, std::size_t id) noexcept {
if (id == ipc::invalid_value) return nullptr;
return reinterpret_cast<ipc::byte_t *>(this + 1) + (chunks_elem_size(chunk_size) * id);
}
};
@ -168,6 +169,11 @@ std::pair<std::size_t, void*> apply_storage(std::size_t conn_count, std::size_t
}
void *find_storage(std::size_t id, std::size_t size) {
if (id == ipc::invalid_value) {
ipc::error("[find_storage] id is invalid: id = %zd, size = %zd\n", id, size);
return nullptr;
}
std::size_t chunk_size = calc_chunk_size(size);
auto & chunk_shm = chunk_storage(chunk_size);