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implemented pgf_free_revision

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krangelov
2021-09-10 11:39:54 +02:00
parent 678d244b21
commit 1b09e7293f
3 changed files with 36 additions and 8 deletions
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25
src/runtime/c/pgf/db.cxx
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@@ -312,14 +312,23 @@ PgfDB::PgfDB(const char* filepath, int flags, int mode) {
if (ms == MAP_FAILED)
throw pgf_systemerror(errno, filepath);
if (is_new) {
init_state(file_size);
}
int res = pthread_rwlock_init(&rwlock, NULL);
if (res != 0) {
throw pgf_systemerror(errno);
}
if (is_new) {
init_state(file_size);
} else {
// We must make sure that left-over transient revisions are
// released. This may happen if a client process was killed
// or if the garbadge collector has not managed to run
// pgf_release_revision() before the process ended.
while (ms->transient_revisions != 0) {
pgf_free_revision(this, ms->transient_revisions.as_object());
}
}
}
PGF_INTERNAL
@@ -994,14 +1003,18 @@ void PgfDB::link_transient_revision(ref<PgfPGF> pgf)
}
PGF_INTERNAL
void PgfDB::unlink_transient_revision(ref<PgfPGF> pgf)
bool PgfDB::unlink_transient_revision(ref<PgfPGF> pgf)
{
if (pgf->next != 0)
pgf->next->prev = pgf->prev;
if (pgf->prev != 0)
pgf->prev->next = pgf->next;
else
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)