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* [newlib-cygwin] Cygwin: fhandler_pipe.cc:nt_select: fix flags
@ 2021-09-14 15:05 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2021-09-14 15:05 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9d4e58be76ff06a65e6f06d62ea9d1e26121b347
commit 9d4e58be76ff06a65e6f06d62ea9d1e26121b347
Author: Ken Brown <kbrown@cornell.edu>
Date: Mon Aug 30 11:11:49 2021 -0400
Cygwin: fhandler_pipe.cc:nt_select: fix flags
Diff:
---
winsup/cygwin/fhandler_pipe.cc | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/winsup/cygwin/fhandler_pipe.cc b/winsup/cygwin/fhandler_pipe.cc
index 2dec0a848..b99f00c09 100644
--- a/winsup/cygwin/fhandler_pipe.cc
+++ b/winsup/cygwin/fhandler_pipe.cc
@@ -658,7 +658,7 @@ nt_create (LPSECURITY_ATTRIBUTES sa_ptr, PHANDLE r, PHANDLE w,
&cygheap->installation_key,
GetCurrentProcessId ());
- access = GENERIC_READ | FILE_WRITE_ATTRIBUTES;
+ access = GENERIC_READ | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE;
ULONG pipe_type = pipe_byte ? FILE_PIPE_BYTE_STREAM_TYPE
: FILE_PIPE_MESSAGE_TYPE;
@@ -688,8 +688,8 @@ nt_create (LPSECURITY_ATTRIBUTES sa_ptr, PHANDLE r, PHANDLE w,
timeout.QuadPart = -500000;
status = NtCreateNamedPipeFile (r, access, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_CREATE, 0, pipe_type,
- FILE_PIPE_BYTE_STREAM_MODE,
+ FILE_CREATE, FILE_SYNCHRONOUS_IO_NONALERT,
+ pipe_type, FILE_PIPE_BYTE_STREAM_MODE,
0, 1, psize, psize, &timeout);
if (NT_SUCCESS (status))
@@ -737,8 +737,9 @@ nt_create (LPSECURITY_ATTRIBUTES sa_ptr, PHANDLE r, PHANDLE w,
{
debug_printf ("NtOpenFile: name %S", &pipename);
- access = GENERIC_WRITE | FILE_READ_ATTRIBUTES;
- status = NtOpenFile (w, access, &attr, &io, 0, 0);
+ access = GENERIC_WRITE | FILE_READ_ATTRIBUTES | SYNCHRONIZE;
+ status = NtOpenFile (w, access, &attr, &io, 0,
+ FILE_SYNCHRONOUS_IO_NONALERT);
if (!NT_SUCCESS (status))
{
DWORD err = GetLastError ();
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