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/*-
* Copyright (c) 2008-2012 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_connection_init --
* Structure initialization for a just-created WT_CONNECTION_IMPL handle.
*/
int
__wt_connection_init(WT_CONNECTION_IMPL *conn)
{
WT_SESSION_IMPL *session;
session = conn->default_session;
TAILQ_INIT(&conn->btqh); /* WT_BTREE list */
TAILQ_INIT(&conn->dlhqh); /* Library list */
TAILQ_INIT(&conn->dsrcqh); /* Data source list */
TAILQ_INIT(&conn->fhqh); /* File list */
TAILQ_INIT(&conn->collqh); /* Collator list */
TAILQ_INIT(&conn->compqh); /* Compressor list */
/* Statistics. */
WT_RET(__wt_stat_alloc_connection_stats(session, &conn->stats));
/* File handle spinlock. */
__wt_spin_init(session, &conn->fh_lock);
/* Serialized function call spinlock. */
__wt_spin_init(session, &conn->serial_lock);
/* General purpose spinlock. */
__wt_spin_init(session, &conn->spinlock);
return (0);
}
/*
* __wt_connection_destroy --
* Destroy the connection's underlying WT_CONNECTION_IMPL structure.
*/
void
__wt_connection_destroy(WT_CONNECTION_IMPL *conn)
{
WT_SESSION_IMPL *session;
session = conn->default_session;
/* Check there's something to destroy. */
if (conn == NULL)
return;
/*
* Close remaining open files (before discarding the mutex, the
* underlying file-close code uses the mutex to guard lists of
* open files.
*/
if (conn->lock_fh != NULL)
(void)__wt_close(session, conn->lock_fh);
if (conn->log_fh != NULL)
(void)__wt_close(session, conn->log_fh);
/* Remove from the list of connections. */
__wt_spin_lock(session, &__wt_process.spinlock);
TAILQ_REMOVE(&__wt_process.connqh, conn, q);
__wt_spin_unlock(session, &__wt_process.spinlock);
__wt_spin_destroy(session, &conn->fh_lock);
__wt_spin_destroy(session, &conn->serial_lock);
__wt_spin_destroy(session, &conn->spinlock);
/* Free allocated memory. */
__wt_free(session, conn->home);
__wt_free(session, conn->sessions);
__wt_free(session, conn->session_array);
__wt_free(session, conn->hazard);
__wt_free(session, conn->stats);
__wt_free(NULL, conn);
}
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