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clean up everything after revision is not needed anymore.

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This commit is contained in:
krangelov
2021-09-11 16:33:22 +02:00
parent 7f0eb34864
commit ae0a6aa6b6
11 changed files with 455 additions and 116 deletions
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20
src/runtime/c/pgf/db.cxx
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@@ -5,9 +5,9 @@
#include "data.h"
PGF_INTERNAL __thread unsigned char* current_base __attribute__((tls_model("initial-exec"))) = NULL;
PGF_INTERNAL __thread PgfDB* current_db __attribute__((tls_model("initial-exec"))) = NULL;
PGF_INTERNAL __thread DB_scope *last_db_scope __attribute__((tls_model("initial-exec"))) = NULL;
PGF_INTERNAL unsigned char* current_base = NULL;
PGF_INTERNAL PgfDB* current_db = NULL;
PGF_INTERNAL DB_scope *last_db_scope = NULL;
#ifndef DEFAULT_TOP_PAD
#define DEFAULT_TOP_PAD (0)
@@ -369,6 +369,7 @@ ref<PgfPGF> PgfDB::get_revision(PgfText *name)
PGF_INTERNAL
void PgfDB::set_revision(ref<PgfPGF> pgf)
{
pgf->ref_count++;
Namespace<PgfPGF> nmsp = namespace_insert(current_db->ms->revisions, pgf);
namespace_release(current_db->ms->revisions);
current_db->ms->revisions = nmsp;
@@ -993,6 +994,13 @@ ref<PgfPGF> PgfDB::revision2pgf(PgfRevision revision)
return pgf;
}
PGF_INTERNAL
bool PgfDB::is_persistant_revision(ref<PgfPGF> pgf)
{
return (pgf->prev == 0 && pgf->next == 0 &&
current_db->ms->transient_revisions != pgf);
}
PGF_INTERNAL
void PgfDB::link_transient_revision(ref<PgfPGF> pgf)
{
@@ -1003,7 +1011,7 @@ void PgfDB::link_transient_revision(ref<PgfPGF> pgf)
}
PGF_INTERNAL
bool PgfDB::unlink_transient_revision(ref<PgfPGF> pgf)
void PgfDB::unlink_transient_revision(ref<PgfPGF> pgf)
{
if (pgf->next != 0)
pgf->next->prev = pgf->prev;
@@ -1011,10 +1019,6 @@ bool PgfDB::unlink_transient_revision(ref<PgfPGF> pgf)
pgf->prev->next = pgf->next;
else if (current_db->ms->transient_revisions == pgf)
current_db->ms->transient_revisions = pgf->next;
else
return false;
return true;
}
DB_scope::DB_scope(PgfDB *db, DB_scope_mode tp)