Import changeset

1 files changed, 46 insertions, 0 deletions

diff --git a/bdb/include/os.h b/bdb/include/os.h
new file mode 100644
index 00000000000..b5d469e88fa
--- /dev/null
+++ b/bdb/include/os.h
@@ -0,0 +1,46 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997, 1998, 1999, 2000
+ *	Sleepycat Software.  All rights reserved.
+ *
+ * $Id: os.h,v 11.5 2000/10/27 20:32:01 dda Exp $
+ */
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+/*
+ * Filehandle.
+ */
+struct __fh_t {
+#if defined(DB_WIN32)
+	HANDLE	  handle;		/* Windows/32 file handle. */
+#endif
+	int	  fd;			/* POSIX file descriptor. */
+
+	u_int32_t log_size;		/* XXX: Log file size. */
+
+#define	DB_FH_NOSYNC	0x01		/* Handle doesn't need to be sync'd. */
+#define	DB_FH_VALID	0x02		/* 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. */
+	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