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Use STAILQ instead of SIMPLEQ

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For compat with ancient BSD. Will probably just copy <ldap_queue.h> instead.
This commit is contained in:
Howard Chu 2011-08-03 15:09:45 -07:00
parent 1f3fdc811e
commit a687f2dc3c
1 changed files with 14 additions and 14 deletions
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28
libraries/libmdb/mdb.c
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@ -147,7 +147,7 @@ typedef struct MDB_meta { /* meta (footer) page content */
} MDB_meta;
typedef struct MDB_dhead { /* a dirty page */
SIMPLEQ_ENTRY(MDB_dpage) md_next; /* queue of dirty pages */
STAILQ_ENTRY(MDB_dpage) md_next; /* queue of dirty pages */
MDB_page *md_parent;
unsigned md_pi; /* parent index */
int md_num;
@ -158,7 +158,7 @@ typedef struct MDB_dpage {
MDB_page p;
} MDB_dpage;
SIMPLEQ_HEAD(dirty_queue, MDB_dpage);
STAILQ_HEAD(dirty_queue, MDB_dpage);
typedef struct MDB_oldpages {
struct MDB_oldpages *mo_next;
@ -440,7 +440,7 @@ mdb_alloc_page(MDB_txn *txn, MDB_page *parent, unsigned int parent_idx, int num)
dp->h.md_num = num;
dp->h.md_parent = parent;
dp->h.md_pi = parent_idx;
SIMPLEQ_INSERT_TAIL(txn->mt_u.dirty_queue, dp, h.md_next);
STAILQ_INSERT_TAIL(txn->mt_u.dirty_queue, dp, h.md_next);
if (pgno == P_INVALID) {
dp->p.mp_pgno = txn->mt_next_pgno;
txn->mt_next_pgno += num;
@ -513,7 +513,7 @@ mdb_txn_begin(MDB_env *env, int rdonly, MDB_txn **ret)
free(txn);
return ENOMEM;
}
SIMPLEQ_INIT(txn->mt_u.dirty_queue);
STAILQ_INIT(txn->mt_u.dirty_queue);
pthread_mutex_lock(&env->me_txns->mt_wmutex);
env->me_txns->mt_txnid++;
@ -604,9 +604,9 @@ mdb_txn_abort(MDB_txn *txn)
* to the free list.
*/
MDB_IDL_ZERO(txn->mt_free_pgs);
while (!SIMPLEQ_EMPTY(txn->mt_u.dirty_queue)) {
dp = SIMPLEQ_FIRST(txn->mt_u.dirty_queue);
SIMPLEQ_REMOVE_HEAD(txn->mt_u.dirty_queue, h.md_next);
while (!STAILQ_EMPTY(txn->mt_u.dirty_queue)) {
dp = STAILQ_FIRST(txn->mt_u.dirty_queue);
STAILQ_REMOVE_HEAD(txn->mt_u.dirty_queue, h.md_next);
if (dp->p.mp_pgno <= env->me_meta.mm_last_pg)
mdb_idl_insert(txn->mt_free_pgs, dp->p.mp_pgno);
free(dp);
@ -669,7 +669,7 @@ mdb_txn_commit(MDB_txn *txn)
return EINVAL;
}
if (SIMPLEQ_EMPTY(txn->mt_u.dirty_queue))
if (STAILQ_EMPTY(txn->mt_u.dirty_queue))
goto done;
DPRINTF("committing transaction %lu on mdbenv %p, root page %lu",
@ -682,7 +682,7 @@ mdb_txn_commit(MDB_txn *txn)
n = 0;
done = 1;
size = 0;
SIMPLEQ_FOREACH(dp, txn->mt_u.dirty_queue, h.md_next) {
STAILQ_FOREACH(dp, txn->mt_u.dirty_queue, h.md_next) {
if (dp->p.mp_pgno != next) {
if (n) {
DPRINTF("committing %u dirty pages", n);
@ -734,9 +734,9 @@ mdb_txn_commit(MDB_txn *txn)
/* Drop the dirty pages.
*/
while (!SIMPLEQ_EMPTY(txn->mt_u.dirty_queue)) {
dp = SIMPLEQ_FIRST(txn->mt_u.dirty_queue);
SIMPLEQ_REMOVE_HEAD(txn->mt_u.dirty_queue, h.md_next);
while (!STAILQ_EMPTY(txn->mt_u.dirty_queue)) {
dp = STAILQ_FIRST(txn->mt_u.dirty_queue);
STAILQ_REMOVE_HEAD(txn->mt_u.dirty_queue, h.md_next);
free(dp);
}
@ -1337,9 +1337,9 @@ mdbenv_get_page(MDB_env *env, pgno_t pgno)
MDB_txn *txn = env->me_txn;
int found = 0;
if (txn && !SIMPLEQ_EMPTY(txn->mt_u.dirty_queue)) {
if (txn && !STAILQ_EMPTY(txn->mt_u.dirty_queue)) {
MDB_dpage *dp;
SIMPLEQ_FOREACH(dp, txn->mt_u.dirty_queue, h.md_next) {
STAILQ_FOREACH(dp, txn->mt_u.dirty_queue, h.md_next) {
if (dp->p.mp_pgno == pgno) {
p = &dp->p;
found = 1;