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Added patch to improve ReadDataAvailable handling in FilePipeLocalInformation class.

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This commit is contained in:
Sebastian Lackner
2015-05-06 15:00:29 +02:00
parent d97efcbab3
commit 04b7095098
5 changed files with 55 additions and 0 deletions
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46
patches/kernel32-Named_Pipe/0018-ntdll-Improve-ReadDataAvailable-handling-in-FilePipe.patch Normal file
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@@ -0,0 +1,46 @@
From b2c20a6b49fdd1ec392b8a7406401343555da73a Mon Sep 17 00:00:00 2001
From: Qian Hong <qhong@codeweavers.com>
Date: Mon, 30 Mar 2015 07:25:35 +0800
Subject: ntdll: Improve ReadDataAvailable handling in FilePipeLocalInformation
class support.
---
dlls/ntdll/file.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 0dc5c13..a1ca1d1 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -2367,6 +2367,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
case FilePipeLocalInformation:
{
FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
+ int avail, fd, needs_close;
SERVER_START_REQ( get_named_pipe_info )
{
@@ -2390,12 +2391,19 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
pli->MaximumInstances = reply->maxinstances;
pli->CurrentInstances = reply->instances;
pli->InboundQuota = reply->insize;
- pli->ReadDataAvailable = 0; /* FIXME */
+ pli->ReadDataAvailable = 0;
pli->OutboundQuota = reply->outsize;
pli->WriteQuotaAvailable = 0; /* FIXME */
pli->NamedPipeState = 0; /* FIXME */
pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
+
+ if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
+ {
+ if (!unix_fd_avail( fd, &avail ))
+ pli->ReadDataAvailable = min(avail, reply->outsize); /* FIXME */
+ if (needs_close) close( fd );
+ }
}
}
SERVER_END_REQ;
--
2.3.7

1
patches/kernel32-Named_Pipe/definition
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@@ -1,2 +1,3 @@
Fixes: [16550] Fix for ConnectNamedPort return value in overlapped mode
Fixes: [17195] Support for named pipe message mode (Linux only)
Fixes: Improve ReadDataAvailable handling in FilePipeLocalInformation class