From 39daf4fe68aec6dc2006088ffef93e84006b0028 Mon Sep 17 00:00:00 2001 From: Chris Hanson Date: Sun, 5 Jan 1997 23:38:12 +0000 Subject: [PATCH] Add file-opening flags that hint to the operating system about how to optimize file caching. --- v7/src/microcode/ntfile.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/v7/src/microcode/ntfile.c b/v7/src/microcode/ntfile.c index df87eb2ce..64f1d7caa 100644 --- a/v7/src/microcode/ntfile.c +++ b/v7/src/microcode/ntfile.c @@ -1,6 +1,6 @@ /* -*-C-*- -$Id: ntfile.c,v 1.7 1997/01/01 22:57:22 cph Exp $ +$Id: ntfile.c,v 1.8 1997/01/05 23:38:12 cph Exp $ Copyright (c) 1992-97 Massachusetts Institute of Technology @@ -103,17 +103,17 @@ DEFUN (name, (filename), CONST char * filename) \ // error REPL from a buggy source file. DEFUN_OPEN_FILE (OS_open_input_file, - (filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, - OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0)); + (filename, GENERIC_READ, (FILE_SHARE_READ | FILE_SHARE_WRITE), 0, + OPEN_EXISTING, (FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN), 0)); DEFUN_OPEN_FILE (OS_open_output_file, (filename, GENERIC_WRITE, FILE_SHARE_READ, 0, - CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0)); + CREATE_ALWAYS, (FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN), 0)); DEFUN_OPEN_FILE (OS_open_io_file, - (filename, GENERIC_READ | GENERIC_WRITE, - FILE_SHARE_READ | FILE_SHARE_WRITE, 0, - OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0)); + (filename, (GENERIC_READ | GENERIC_WRITE), + (FILE_SHARE_READ | FILE_SHARE_WRITE), 0, + OPEN_ALWAYS, (FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS), 0)); #ifdef HAVE_APPEND -- 2.25.1