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Cygwin: FIFO: use FILE_PIPE_REJECT_REMOTE_CLIENTS flag

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Add that flag to the pipe type argument when creating the Windows
named pipe.  And add a definition of that flag to ntdll.h (copied from
/usr/include/w32api/ddk/ntifs.h).
This commit is contained in:
Ken Brown
2019-12-21 17:53:52 -05:00
parent b42d565150
commit 3bc79b275e
2 changed files with 4 additions and 2 deletions
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3
winsup/cygwin/fhandler_fifo.cc
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@@ -184,7 +184,8 @@ fhandler_fifo::create_pipe_instance (bool first)
timeout.QuadPart = -500000;
status = NtCreateNamedPipeFile (&ph, access, &attr, &io, sharing,
first ? FILE_CREATE : FILE_OPEN, 0,
FILE_PIPE_MESSAGE_TYPE,
FILE_PIPE_MESSAGE_TYPE
| FILE_PIPE_REJECT_REMOTE_CLIENTS,
FILE_PIPE_MESSAGE_MODE,
nonblocking, max_instances,
DEFAULT_PIPEBUFSIZE, DEFAULT_PIPEBUFSIZE,