live_arena_expose()

bool MayaFlux::internal::live_arena_expose ( const char *  key, std::shared_ptr< void >  shared  )

inlinenoexcept

Registers an externally owned shared_ptr under key.

Stores shared_ptr<void> in g_live_arena_shared_ptrs at the entry index. offset is set to UINT32_MAX to distinguish from bump-allocated entries.

Returns

true on success, false if the key is already registered or the directory is full.

Definition at line 169 of file LiveArena.hpp.

    {
        auto* hdr = live_arena_header();
 
        if (hdr->entry_count >= LIVE_ARENA_MAX_ENTRIES) {
            return false;
        }
 
        if (live_arena_find(key)) {
            return false;
        }
 
        const uint32_t idx = hdr->entry_count;
        auto& entry = hdr->entries[idx];
        std::strncpy(entry.key, key, LIVE_ARENA_KEY_MAX - 1);
        entry.key[LIVE_ARENA_KEY_MAX - 1] = '\0';
        entry.offset = UINT32_MAX;
        entry.size = UINT32_MAX;
        entry.occupied = true;
 
        g_live_arena_shared_ptrs[idx] = std::move(shared);
 
        ++hdr->entry_count;
        return true;
    }

References g_live_arena_shared_ptrs, live_arena_find(), live_arena_header(), LIVE_ARENA_KEY_MAX, and LIVE_ARENA_MAX_ENTRIES.

Referenced by MayaFlux::expose_live(), and MayaFlux::expose_live().

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