diff options
Diffstat (limited to 'db2/include/mp.h')
| -rw-r--r-- | db2/include/mp.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/db2/include/mp.h b/db2/include/mp.h index 4872596f83..1fe0c752a9 100644 --- a/db2/include/mp.h +++ b/db2/include/mp.h @@ -4,7 +4,7 @@ * Copyright (c) 1996, 1997 * Sleepycat Software. All rights reserved. * - * @(#)mp.h 10.14 (Sleepycat) 8/18/97 + * @(#)mp.h 10.15 (Sleepycat) 8/29/97 */ struct __bh; typedef struct __bh BH; @@ -161,9 +161,12 @@ struct __db_mpoolfile { void *addr; /* Address of mmap'd region. */ size_t len; /* Length of mmap'd region. */ -#define MP_PATH_ALLOC 0x01 /* Path is allocated memory. */ -#define MP_PATH_TEMP 0x02 /* Backing file is a temporary. */ -#define MP_READONLY 0x04 /* File is readonly. */ +/* These fields need to be protected for multi-threaded support. */ +#define MP_PATH_ALLOC 0x001 /* Path is allocated memory. */ +#define MP_PATH_TEMP 0x002 /* Backing file is a temporary. */ +#define MP_READONLY 0x004 /* File is readonly. */ +#define MP_UPGRADE 0x008 /* File descriptor is readwrite. */ +#define MP_UPGRADE_FAIL 0x010 /* Upgrade wasn't possible. */ u_int32_t flags; }; |