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mdbx++: добавление обработки MDBX_MVCC_RETARDED в C++ API.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2024-08-02 19:03:34 +03:00
parent b6b126195b
commit d21ae28bb9
3 changed files with 7 additions and 0 deletions
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1
mdbx.h++
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@ -583,6 +583,7 @@ MDBX_DECLARE_EXCEPTION(transaction_overlapping);
MDBX_DECLARE_EXCEPTION(duplicated_lck_file);
MDBX_DECLARE_EXCEPTION(dangling_map_id);
MDBX_DECLARE_EXCEPTION(transaction_ousted);
MDBX_DECLARE_EXCEPTION(mvcc_retarded);
#undef MDBX_DECLARE_EXCEPTION
[[noreturn]] LIBMDBX_API void throw_too_small_target_buffer();

2
src/mdbx.c++
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@ -340,6 +340,7 @@ DEFINE_EXCEPTION(transaction_overlapping)
DEFINE_EXCEPTION(duplicated_lck_file)
DEFINE_EXCEPTION(dangling_map_id)
DEFINE_EXCEPTION(transaction_ousted)
DEFINE_EXCEPTION(mvcc_retarded)
#undef DEFINE_EXCEPTION
__cold const char *error::what() const noexcept {
@ -429,6 +430,7 @@ __cold void error::throw_exception() const {
CASE_EXCEPTION(duplicated_lck_file, MDBX_DUPLICATED_CLK);
CASE_EXCEPTION(dangling_map_id, MDBX_DANGLING_DBI);
CASE_EXCEPTION(transaction_ousted, MDBX_OUSTED);
CASE_EXCEPTION(mvcc_retarded, MDBX_MVCC_RETARDED);
#undef CASE_EXCEPTION
default:
if (is_mdbx_error())

4
src/misc.c
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@ -210,6 +210,10 @@ __cold const char *mdbx_liberr2str(int errnum) {
case MDBX_OUSTED:
return "MDBX_OUSTED: The parked read transaction was outed for the sake"
" of recycling old MVCC snapshots";
case MDBX_MVCC_RETARDED:
return "MDBX_MVCC_RETARDED: MVCC snapshot used by read transaction"
" is outdated and could not be copied"
" since corresponding meta-pages was overwritten";
default:
return nullptr;
}