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Cygwin: FIFO: use FILE_PIPE_REJECT_REMOTE_CLIENTS flag 

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; timeout.QuadPart = -500000;
status = NtCreateNamedPipeFile (&ph, access, &attr, &io, sharing, status = NtCreateNamedPipeFile (&ph, access, &attr, &io, sharing,
first ? FILE_CREATE : FILE_OPEN, 0, first ? FILE_CREATE : FILE_OPEN, 0,
FILE_PIPE_MESSAGE_TYPE, FILE_PIPE_MESSAGE_TYPE
| FILE_PIPE_REJECT_REMOTE_CLIENTS,
FILE_PIPE_MESSAGE_MODE, FILE_PIPE_MESSAGE_MODE,
nonblocking, max_instances, nonblocking, max_instances,
DEFAULT_PIPEBUFSIZE, DEFAULT_PIPEBUFSIZE, DEFAULT_PIPEBUFSIZE, DEFAULT_PIPEBUFSIZE,

3
winsup/cygwin/ntdll.h
View File

@ -557,7 +557,8 @@ enum
enum enum
{ {
FILE_PIPE_BYTE_STREAM_TYPE = 0, FILE_PIPE_BYTE_STREAM_TYPE = 0,
FILE_PIPE_MESSAGE_TYPE = 1 FILE_PIPE_MESSAGE_TYPE = 1,
FILE_PIPE_REJECT_REMOTE_CLIENTS = 2
}; };
typedef struct _FILE_PIPE_PEEK_BUFFER { typedef struct _FILE_PIPE_PEEK_BUFFER {