diff options
Diffstat (limited to 'bdb/txn/txn_stat.c')
-rw-r--r-- | bdb/txn/txn_stat.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/bdb/txn/txn_stat.c b/bdb/txn/txn_stat.c deleted file mode 100644 index f7d84e8f4c6..00000000000 --- a/bdb/txn/txn_stat.c +++ /dev/null @@ -1,102 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1996-2002 - * Sleepycat Software. All rights reserved. - */ - -#include "db_config.h" - -#ifndef lint -static const char revid[] = "$Id: txn_stat.c,v 11.15 2002/04/26 23:00:36 bostic Exp $"; -#endif /* not lint */ - -#ifndef NO_SYSTEM_INCLUDES -#include <sys/types.h> - -#include <string.h> -#endif - -#include "db_int.h" -#include "dbinc/txn.h" - -/* - * __txn_stat -- - * - * PUBLIC: int __txn_stat __P((DB_ENV *, DB_TXN_STAT **, u_int32_t)); - */ -int -__txn_stat(dbenv, statp, flags) - DB_ENV *dbenv; - DB_TXN_STAT **statp; - u_int32_t flags; -{ - DB_TXNMGR *mgr; - DB_TXNREGION *region; - DB_TXN_STAT *stats; - TXN_DETAIL *txnp; - size_t nbytes; - u_int32_t ndx; - int ret; - - PANIC_CHECK(dbenv); - ENV_REQUIRES_CONFIG(dbenv, dbenv->tx_handle, "txn_stat", DB_INIT_TXN); - - *statp = NULL; - if ((ret = __db_fchk(dbenv, - "DB_ENV->txn_stat", flags, DB_STAT_CLEAR)) != 0) - return (ret); - - mgr = dbenv->tx_handle; - region = mgr->reginfo.primary; - - /* - * Allocate for the maximum active transactions -- the DB_TXN_ACTIVE - * struct is small and the maximum number of active transactions is - * not going to be that large. Don't have to lock anything to look - * at the region's maximum active transactions value, it's read-only - * and never changes after the region is created. - */ - nbytes = sizeof(DB_TXN_STAT) + sizeof(DB_TXN_ACTIVE) * region->maxtxns; - if ((ret = __os_umalloc(dbenv, nbytes, &stats)) != 0) - return (ret); - - R_LOCK(dbenv, &mgr->reginfo); - memcpy(stats, ®ion->stat, sizeof(*stats)); - stats->st_last_txnid = region->last_txnid; - stats->st_last_ckp = region->last_ckp; - stats->st_time_ckp = region->time_ckp; - stats->st_txnarray = (DB_TXN_ACTIVE *)&stats[1]; - - ndx = 0; - for (txnp = SH_TAILQ_FIRST(®ion->active_txn, __txn_detail); - txnp != NULL; - txnp = SH_TAILQ_NEXT(txnp, links, __txn_detail)) { - stats->st_txnarray[ndx].txnid = txnp->txnid; - if (txnp->parent == INVALID_ROFF) - stats->st_txnarray[ndx].parentid = TXN_INVALID; - else - stats->st_txnarray[ndx].parentid = - ((TXN_DETAIL *)R_ADDR(&mgr->reginfo, - txnp->parent))->txnid; - stats->st_txnarray[ndx].lsn = txnp->begin_lsn; - ndx++; - } - - stats->st_region_wait = mgr->reginfo.rp->mutex.mutex_set_wait; - stats->st_region_nowait = mgr->reginfo.rp->mutex.mutex_set_nowait; - stats->st_regsize = mgr->reginfo.rp->size; - if (LF_ISSET(DB_STAT_CLEAR)) { - mgr->reginfo.rp->mutex.mutex_set_wait = 0; - mgr->reginfo.rp->mutex.mutex_set_nowait = 0; - memset(®ion->stat, 0, sizeof(region->stat)); - region->stat.st_maxtxns = region->maxtxns; - region->stat.st_maxnactive = - region->stat.st_nactive = stats->st_nactive; - } - - R_UNLOCK(dbenv, &mgr->reginfo); - - *statp = stats; - return (0); -} |