Drizzled Public API Documentation

lock0types.h
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3 Copyright (C) 1996, 2009, Innobase Oy. All Rights Reserved.
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19 /**************************************************/
26 #pragma once
27 #ifndef lock0types_h
28 #define lock0types_h
29 
30 #define lock_t ib_lock_t
31 typedef struct lock_struct lock_t;
32 typedef struct lock_sys_struct lock_sys_t;
33 
34 /* Basic lock modes */
35 enum lock_mode {
36  LOCK_IS = 0, /* intention shared */
37  LOCK_IX, /* intention exclusive */
38  LOCK_S, /* shared */
39  LOCK_X, /* exclusive */
40  LOCK_AUTO_INC, /* locks the auto-inc counter of a table
41  in an exclusive mode */
42  LOCK_NONE, /* this is used elsewhere to note consistent read */
43  LOCK_NUM = LOCK_NONE/* number of lock modes */
44 };
45 
46 #endif