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Diffstat (limited to 'db2/os/os_rw.c')
-rw-r--r--db2/os/os_rw.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/db2/os/os_rw.c b/db2/os/os_rw.c
deleted file mode 100644
index e0a8163d82..0000000000
--- a/db2/os/os_rw.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)os_rw.c	10.11 (Sleepycat) 10/12/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "os_jump.h"
-
-/*
- * __os_io --
- *	Do an I/O.
- *
- * PUBLIC: int __os_io __P((DB_IO *, int, ssize_t *));
- */
-int
-__os_io(db_iop, op, niop)
-	DB_IO *db_iop;
-	int op;
-	ssize_t *niop;
-{
-	int ret;
-
-#ifdef HAVE_PREAD
-	switch (op) {
-	case DB_IO_READ:
-		if (__db_jump.j_read != NULL)
-			goto slow;
-		*niop = pread(db_iop->fd_io, db_iop->buf,
-		    db_iop->bytes, (off_t)db_iop->pgno * db_iop->pagesize);
-		break;
-	case DB_IO_WRITE:
-		if (__db_jump.j_write != NULL)
-			goto slow;
-		*niop = pwrite(db_iop->fd_io, db_iop->buf,
-		    db_iop->bytes, (off_t)db_iop->pgno * db_iop->pagesize);
-		break;
-	}
-	if (*niop == db_iop->bytes)
-		return (0);
-slow:
-#endif
-	if (db_iop->mutexp != NULL)
-		(void)__db_mutex_lock(db_iop->mutexp, db_iop->fd_lock);
-
-	if ((ret = __os_seek(db_iop->fd_io,
-	    db_iop->pagesize, db_iop->pgno, 0, 0, SEEK_SET)) != 0)
-		goto err;
-	switch (op) {
-	case DB_IO_READ:
-		ret =
-		    __os_read(db_iop->fd_io, db_iop->buf, db_iop->bytes, niop);
-		break;
-	case DB_IO_WRITE:
-		ret =
-		    __os_write(db_iop->fd_io, db_iop->buf, db_iop->bytes, niop);
-		break;
-	}
-
-err:	if (db_iop->mutexp != NULL)
-		(void)__db_mutex_unlock(db_iop->mutexp, db_iop->fd_lock);
-
-	return (ret);
-
-}
-
-/*
- * __os_read --
- *	Read from a file handle.
- *
- * PUBLIC: int __os_read __P((int, void *, size_t, ssize_t *));
- */
-int
-__os_read(fd, addr, len, nrp)
-	int fd;
-	void *addr;
-	size_t len;
-	ssize_t *nrp;
-{
-	size_t offset;
-	ssize_t nr;
-	u_int8_t *taddr;
-
-	for (taddr = addr,
-	    offset = 0; offset < len; taddr += nr, offset += nr) {
-		if ((nr = __db_jump.j_read != NULL ?
-		    __db_jump.j_read(fd, taddr, len - offset) :
-		    read(fd, taddr, len - offset)) < 0)
-			return (errno);
-		if (nr == 0)
-			break;
-	}
-	*nrp = taddr - (u_int8_t *)addr;
-	return (0);
-}
-
-/*
- * __os_write --
- *	Write to a file handle.
- *
- * PUBLIC: int __os_write __P((int, void *, size_t, ssize_t *));
- */
-int
-__os_write(fd, addr, len, nwp)
-	int fd;
-	const void *addr;
-	size_t len;
-	ssize_t *nwp;
-{
-	size_t offset;
-	ssize_t nw;
-	const u_int8_t *taddr;
-
-	for (taddr = addr,
-	    offset = 0; offset < len; taddr += nw, offset += nw)
-		if ((nw = __db_jump.j_write != NULL ?
-		    __db_jump.j_write(fd, taddr, len - offset) :
-		    write(fd, taddr, len - offset)) < 0)
-			return (errno);
-	*nwp = len;
-	return (0);
-}