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-rw-r--r--storage/bdb/dbinc/os.h54
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diff --git a/storage/bdb/dbinc/os.h b/storage/bdb/dbinc/os.h
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+++ b/storage/bdb/dbinc/os.h
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+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997-2002
+ * Sleepycat Software. All rights reserved.
+ *
+ * $Id: os.h,v 11.14 2002/03/27 04:34:55 bostic Exp $
+ */
+
+#ifndef _DB_OS_H_
+#define _DB_OS_H_
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/* DB filehandle. */
+struct __fh_t {
+#if defined(DB_WIN32)
+ HANDLE handle; /* Windows/32 file handle. */
+#endif
+ int fd; /* POSIX file descriptor. */
+ char *name; /* File name. */
+
+ u_int32_t log_size; /* XXX: Log file size. */
+ u_int32_t pagesize; /* XXX: Page size. */
+
+#define DB_FH_NOSYNC 0x01 /* Handle doesn't need to be sync'd. */
+#define DB_FH_UNLINK 0x02 /* Unlink on close */
+#define DB_FH_VALID 0x04 /* Handle is valid. */
+ u_int8_t flags;
+};
+
+/*
+ * We group certain 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_t {
+ DB_FH *fhp; /* I/O file handle. */
+ DB_MUTEX *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;
+
+#if defined(__cplusplus)
+}
+#endif
+
+#include "dbinc_auto/os_ext.h"
+#endif /* !_DB_OS_H_ */