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| author | Vsevolod Stakhov <vsevolod@rspamd.com> | 2022-10-09 23:34:42 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@rspamd.com> | 2022-10-09 23:35:10 +0100 |
| commit | 3f20a29a6ea7b1406751a9e68ad863ba46d78397 (patch) | |
| tree | 8d7baf80ab95abfb18dd081d8f0ca008b3fce882 /src | |
| parent | 0fa3836b98100607b3f6f8dc4918166ef28ffa81 (diff) | |
| download | rspamd-3f20a29a6ea7b1406751a9e68ad863ba46d78397.tar.gz rspamd-3f20a29a6ea7b1406751a9e68ad863ba46d78397.zip | |
[Minor] Add method to extract shared memory from RAII ownership
Diffstat (limited to 'src')
| -rw-r--r-- | src/libutil/cxx/locked_file.hxx | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libutil/cxx/locked_file.hxx b/src/libutil/cxx/locked_file.hxx index ce25b0a5a..94561a2d4 100644 --- a/src/libutil/cxx/locked_file.hxx +++ b/src/libutil/cxx/locked_file.hxx @@ -112,7 +112,15 @@ struct raii_mmaped_locked_file final { ~raii_mmaped_locked_file(); static auto mmap_shared(raii_locked_file &&file, int flags) -> tl::expected<raii_mmaped_locked_file, std::string>; static auto mmap_shared(const char *fname, int open_flags, int mmap_flags) -> tl::expected<raii_mmaped_locked_file, std::string>; + // Returns a constant pointer to the underlying map auto get_map() const -> void* {return map;} + // Passes the ownership of the mmaped memory to the callee + auto steal_map() -> std::tuple<void *, std::size_t> { + auto ret = std::make_tuple(this->map, file.get_stat().st_size); + this->map = nullptr; + return ret; + } + auto get_size() const -> std::size_t { return file.get_stat().st_size; } raii_mmaped_locked_file& operator=(raii_mmaped_locked_file &&other) noexcept { |