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25 lines
677 B
C
25 lines
677 B
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997, 1998
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* Sleepycat Software. All rights reserved.
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*
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* @(#)os.h 10.11 (Sleepycat) 10/12/98
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*/
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/*
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* We group seek/write calls into a single function so that we can use
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* pread(2)/pwrite(2) where they're available.
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*/
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#define DB_IO_READ 1
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#define DB_IO_WRITE 2
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typedef struct __io {
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int fd_io; /* I/O file descriptor. */
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int fd_lock; /* Locking file descriptor. */
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db_mutex_t *mutexp; /* Mutex to lock. */
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size_t pagesize; /* Page size. */
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db_pgno_t pgno; /* Page number. */
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u_int8_t *buf; /* Buffer. */
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size_t bytes; /* Bytes read/written. */
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} DB_IO;
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