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merge set_active_revision() with commit()

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This commit is contained in:
Krasimir Angelov
2022-05-23 09:58:43 +02:00
parent 8a7d8ce246
commit e794f46e49
3 changed files with 12 additions and 21 deletions
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14
src/runtime/c/pgf/db.cxx
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@@ -528,12 +528,6 @@ object PgfDB::get_active_revision()
return current_db->ms->active_revision;
}
PGF_INTERNAL
void PgfDB::set_active_revision(object o)
{
current_db->ms->active_revision = o;
}
PGF_INTERNAL
int PgfDB::init_state()
{
@@ -1181,17 +1175,19 @@ void PgfDB::start_transaction()
}
PGF_INTERNAL
void PgfDB::commit()
void PgfDB::commit(object o)
{
malloc_state *ms = current_db->ms;
object save_top = ms->top;
object save_free_blocks = ms->free_blocks;
object save_free_descriptors = ms->free_descriptors;
object save_active_revision = ms->active_revision;
int res;
#ifndef _WIN32
#ifndef MREMAP_MAYMOVE
if (current_db->fd < 0) {
ms->active_revision = o;
ms->top = top;
ms->free_blocks = free_blocks;
if (free_descriptors[2] != 0) {
@@ -1216,6 +1212,7 @@ void PgfDB::commit()
if (res != 0)
throw pgf_systemerror(errno);
ms->active_revision = o;
ms->top = top;
ms->free_blocks = free_blocks;
ms->free_descriptors = free_descriptors[0];
@@ -1223,6 +1220,7 @@ void PgfDB::commit()
res = msync((void *) ms, page_size, MS_SYNC | MS_INVALIDATE);
if (res != 0) {
ms->active_revision = save_active_revision;
ms->top = save_top;
ms->free_blocks = save_free_blocks;
ms->free_descriptors = save_free_descriptors;
@@ -1244,11 +1242,13 @@ void PgfDB::commit()
if (!FlushViewOfFile(base,mmap_size)) {
throw pgf_systemerror(last_error_to_errno());
}
ms->active_revision = o;
ms->top = top;
ms->free_blocks = free_blocks;
ms->free_descriptors = free_descriptors[0];
ms->curr_txn_id++;
if (!FlushViewOfFile(ms,page_size)) {
ms->active_revision = save_active_revision;
ms->top = save_top;
ms->free_blocks = save_free_blocks;
ms->free_descriptors = save_free_descriptors;