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Code Issues

Backported fix for CORE-5364: gfix -online normal <db> (being issued in window #1) does not produce error when there is sysdba attachment in window #2

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This commit is contained in:
AlexPeshkoff 2020-04-09 15:26:41 +03:00
parent 38bb214de7
commit 95f0135b2a
1 changed files with 18 additions and 10 deletions
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28
src/jrd/jrd.cpp
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@ -1045,6 +1045,7 @@ static void init_database_lock(thread_db*);
static void run_commit_triggers(thread_db* tdbb, jrd_tra* transaction);
static jrd_req* verify_request_synchronization(JrdStatement* statement, USHORT level);
static void purge_transactions(thread_db*, Jrd::Attachment*, const bool);
static void check_single_maintenance(thread_db* tdbb);
namespace {
enum VdnResult {VDN_FAIL, VDN_OK/*, VDN_SECURITY*/};
@ -1644,6 +1645,7 @@ JAttachment* JProvider::internalAttach(CheckStatusWrapper* user_status, const ch
fb_assert(dbb->dbb_lock_mgr);
LCK_init(tdbb, LCK_OWNER_attachment);
check_single_maintenance(tdbb);
jAtt->getStable()->manualAsyncUnlock(attachment->att_flags);
INI_init(tdbb);
@ -6293,6 +6295,21 @@ static JAttachment* create_attachment(const PathName& alias_name,
}
static void check_single_maintenance(thread_db* tdbb)
{
UCHAR spare_memory[RAW_HEADER_SIZE + PAGE_ALIGNMENT];
UCHAR* header_page_buffer = FB_ALIGN(spare_memory, PAGE_ALIGNMENT);
Ods::header_page* const header_page = reinterpret_cast<Ods::header_page*>(header_page_buffer);
PIO_header(tdbb, header_page_buffer, RAW_HEADER_SIZE);
if ((header_page->hdr_flags & Ods::hdr_shutdown_mask) == Ods::hdr_shutdown_single)
{
ERR_post(Arg::Gds(isc_shutdown) << Arg::Str(tdbb->getAttachment()->att_filename));
}
}
static void init_database_lock(thread_db* tdbb)
{
/**************************************
@ -6331,16 +6348,7 @@ static void init_database_lock(thread_db* tdbb)
fb_utils::init_status(tdbb->tdbb_status_vector);
// If we are in a single-threaded maintenance mode then clean up and stop waiting
UCHAR spare_memory[RAW_HEADER_SIZE + PAGE_ALIGNMENT];
UCHAR* header_page_buffer = FB_ALIGN(spare_memory, PAGE_ALIGNMENT);
Ods::header_page* const header_page = reinterpret_cast<Ods::header_page*>(header_page_buffer);
PIO_header(tdbb, header_page_buffer, RAW_HEADER_SIZE);
if ((header_page->hdr_flags & Ods::hdr_shutdown_mask) == Ods::hdr_shutdown_single)
{
ERR_post(Arg::Gds(isc_shutdown) << Arg::Str(attachment->att_filename));
}
check_single_maintenance(tdbb);
}
}
}