From ed7f53e0fa7c3ff7579b17c6d7ccccd5c0ef4eef Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 17 Jul 2006 13:34:00 -0400
Subject: [PATCH] BUG: When handing the child stdin pipe a file, allow another
process to be writing to the file at the same time. This allows children
such as tail -f to function properly.
---
ProcessWin32.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/ProcessWin32.c b/ProcessWin32.c
index e1a53a0f..491b2899 100644
--- a/ProcessWin32.c
+++ b/ProcessWin32.c
@@ -1593,8 +1593,9 @@ int kwsysProcessCreate(kwsysProcess* cp, int index,
else if(cp->PipeFileSTDIN)
{
/* Create a handle to read a file for stdin. */
- HANDLE fin = CreateFile(cp->PipeFileSTDIN, GENERIC_READ,
- FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
+ HANDLE fin = CreateFile(cp->PipeFileSTDIN, GENERIC_READ|GENERIC_WRITE,
+ FILE_SHARE_READ|FILE_SHARE_WRITE,
+ 0, OPEN_EXISTING, 0, 0);
if(fin == INVALID_HANDLE_VALUE)
{
return 0;
--
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