diff options
Diffstat (limited to 'db2/include/os.h')
| -rw-r--r-- | db2/include/os.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/db2/include/os.h b/db2/include/os.h new file mode 100644 index 0000000000..f173d1f610 --- /dev/null +++ b/db2/include/os.h @@ -0,0 +1,24 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1997, 1998 + * Sleepycat Software. All rights reserved. + * + * @(#)os.h 10.11 (Sleepycat) 10/12/98 + */ + +/* + * We group seek/write calls into a single function so that we can use + * pread(2)/pwrite(2) where they're available. + */ +#define DB_IO_READ 1 +#define DB_IO_WRITE 2 +typedef struct __io { + int fd_io; /* I/O file descriptor. */ + int fd_lock; /* Locking file descriptor. */ + db_mutex_t *mutexp; /* Mutex to lock. */ + size_t pagesize; /* Page size. */ + db_pgno_t pgno; /* Page number. */ + u_int8_t *buf; /* Buffer. */ + size_t bytes; /* Bytes read/written. */ +} DB_IO; |