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Christopher Faylor <cgf@timesys.com>

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* autoload.cc (NtQueryInformationFile): Return nonzero on error.
* ntdll.h (FILE_PIPE_LOCAL_INFORMATION): Add.
(NtQueryInformationFile): Fix types for last two arguments.
* pipe.cc: Include stdlib.h, limits.h, and ntdll.h.
(create_selectable_pipe): New function to create a pipe that can be used with
NtQueryInformationFile for select.
(fhandler_pipe::create): Call create_selectable_pipe instead of CreatePipe.
(pipe): Use DEFAULT_PIPEBUFSIZE as argument to create_pipe.
* select.cc: Include limits.h and ntdll.h.
(peek_pipe): Add select_printf output.  Call NtQueryInformationFile to
implement select for write on pipes.
(fhandler_pipe::select_read): Reorder field assignments to be consistent with
fhandler_pipe::select_write.
(fhandler_pipe::select_write): Initialize startup, verify, cleanup, and
write_ready fields for select_record.
(fhandler_pipe::select_except): Tweak indentation to be consistent with
fhandler_pipe::select_write.
This commit is contained in:
Christopher Faylor
2004-09-03 01:32:02 +00:00
parent 79eebb79a6
commit 6644c628f5
5 changed files with 250 additions and 21 deletions
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17
winsup/cygwin/ntdll.h
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@@ -358,6 +358,20 @@ typedef struct _FILE_NAME_INFORMATION
WCHAR FileName[MAX_PATH + 100];
} FILE_NAME_INFORMATION;
typedef struct _FILE_PIPE_LOCAL_INFORMATION
{
ULONG NamedPipeType;
ULONG NamedPipeConfiguration;
ULONG MaximumInstances;
ULONG CurrentInstances;
ULONG InboundQuota;
ULONG ReadDataAvailable;
ULONG OutboundQuota;
ULONG WriteQuotaAvailable;
ULONG NamedPipeState;
ULONG NamedPipeEnd;
} FILE_PIPE_LOCAL_INFORMATION, *PFILE_PIPE_LOCAL_INFORMATION;
typedef struct _FILE_COMPRESSION_INFORMATION
{
LARGE_INTEGER CompressedSize;
@@ -369,6 +383,7 @@ typedef struct _FILE_COMPRESSION_INFORMATION
typedef enum _FILE_INFORMATION_CLASS
{
FilePipeLocalInformation = 24,
FileCompressionInformation = 28
} FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;
@@ -404,7 +419,7 @@ extern "C"
PIO_STATUS_BLOCK, ULONG, ULONG);
NTSTATUS NTAPI NtOpenSection (PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES);
NTSTATUS NTAPI NtQueryInformationFile (HANDLE, IO_STATUS_BLOCK *, VOID *,
DWORD, DWORD);
ULONG, FILE_INFORMATION_CLASS);
NTSTATUS NTAPI NtQueryInformationProcess (HANDLE, PROCESSINFOCLASS,
PVOID, ULONG, PULONG);
NTSTATUS NTAPI NtQueryObject (HANDLE, OBJECT_INFORMATION_CLASS, VOID *,