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Diffstat (limited to 'include/wqueue.h')
| -rw-r--r-- | include/wqueue.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/wqueue.h b/include/wqueue.h new file mode 100644 index 00000000..de7a7170 --- /dev/null +++ b/include/wqueue.h @@ -0,0 +1,39 @@ +/* + Copyright (c) 2007, 2008, Sun Microsystems, Inc, + Copyright (c) 2011, 2012, Monty Program Ab + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef WQUEUE_INCLUDED +#define WQUEUE_INCLUDED + +#include <my_pthread.h> + +/* info about requests in a waiting queue */ +typedef struct st_pagecache_wqueue +{ + struct st_my_thread_var *last_thread; /* circular list of waiting + threads */ +} WQUEUE; + +void wqueue_link_into_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_unlink_from_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_add_to_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_add_and_wait(WQUEUE *wqueue, + struct st_my_thread_var *thread, + mysql_mutex_t *lock); +void wqueue_release_queue(WQUEUE *wqueue); +void wqueue_release_one_locktype_from_queue(WQUEUE *wqueue); + +#endif |