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-rw-r--r--winsup/cygwin/ntdll.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/winsup/cygwin/ntdll.h b/winsup/cygwin/ntdll.h
index b251055f6..64babefc3 100644
--- a/winsup/cygwin/ntdll.h
+++ b/winsup/cygwin/ntdll.h
@@ -157,6 +157,7 @@ extern GUID __cygwin_socket_guid;
#define FILE_VC_VALID_MASK 0x000003ff
/* IOCTL code to impersonate client of named pipe. */
+
#define FSCTL_PIPE_DISCONNECT CTL_CODE(FILE_DEVICE_NAMED_PIPE, 1, \
METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_PIPE_LISTEN CTL_CODE(FILE_DEVICE_NAMED_PIPE, 2, \
@@ -165,6 +166,8 @@ extern GUID __cygwin_socket_guid;
METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_PIPE_IMPERSONATE CTL_CODE(FILE_DEVICE_NAMED_PIPE, 7, \
METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define FSCTL_PIPE_FLUSH CTL_CODE(FILE_DEVICE_NAMED_PIPE, 16, \
+ METHOD_BUFFERED, FILE_WRITE_DATA)
typedef enum _FILE_INFORMATION_CLASS
{