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* fhandler.h (fhandler_pipe::create_selectable): Remove optional argument, take

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an options argument for CreateNamedPipe/CreateFile.  Change handle arguments to
expect pointers.
(fhandler_fifo::fifo_state): Delete.
(fhandler_fifo::dummy_client): Ditto.
(fhandler_fifo::open_nonserver): Ditto.
(fhandler_fifo::wait_state): Ditto.
(fhandler_fifo::raw_write): Ditto.
(fhandler_fifo::read_ready): New field.
(fhandler_fifo::write_ready): Ditto.
(fhandler_fifo::wait): Modify argument.
(fhandler_fifo::fifo_name): Add a new argument.
(fhandler_fifo::fixup_after_fork): New function.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove initialization of
expunged elements.  Initialize new handles to NULL.
(fhandler_fifo::open_nonserver): Delete.
(fnevent): New macro for creating a named event.
(fnpipe): New macro for creating a unique named pipe name.
(create_pipe): New macro for simplification of named pipe creation.
(fhandler_fifo::fifo_name): Use new argument when creating a shared name.
(fhandler_fifo::open): Rewrite.  Use events to synchronize.
(pure_debug_printf): New macro, active only when DEBUGGING.
(fhandler_fifo::wait): Rewrite to wait for new fifo events which are supplied
as a parameter.
(fhandler_fifo::raw_read): Rewrite to use handle mechanism to detect
client-side disconnect.
(fhandler_fifo::raw_write): Delete.
(fhandler_fifo::close): Remove accommodations for expunged fields.  Close event
handles.
(fhandler_fifo::dup): Remove accommodations for expunged fields.  Duplicate
event handles.
(fhandler_fifo::fixup_after_fork): New function.  Perform fixups on event
handles.
(fhandler_fifo::set_close_on_exec): Remove accommodations for expunged fields.
Set inheritance for new handle fields.
* miscfuncs.cc (CreatePipeOverlapped): Accommodate changes in
fhandler_pipe::create_selectable.
* tty.cc (tty::not_allocated): Ditto.
* pipe.cc (fhandler_pipe::create): Ditto.
(fhandler_pipe::create_selectable): Accept an extra open_mode argument.  Pass
arguments by reference and allow opening one end of the pipe at a time.
* sys/strace.h (debug_only_printf): Define new macro which calls debug_printf
only when DEBUGGING is defined.
This commit is contained in:
Christopher Faylor
2011-10-30 04:50:36 +00:00
parent 673a691372
commit cd071d1363
9 changed files with 449 additions and 369 deletions
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6
winsup/cygwin/fhandler.cc
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@ -275,8 +275,8 @@ retry:
/* Cover function to WriteFile to provide Posix interface and semantics
(as much as possible). */
static LARGE_INTEGER off_current = { QuadPart:FILE_USE_FILE_POINTER_POSITION };
static LARGE_INTEGER off_append = { QuadPart:FILE_WRITE_TO_END_OF_FILE };
static NO_COPY LARGE_INTEGER off_current = { QuadPart:FILE_USE_FILE_POINTER_POSITION };
static NO_COPY LARGE_INTEGER off_append = { QuadPart:FILE_WRITE_TO_END_OF_FILE };
ssize_t __stdcall
fhandler_base::raw_write (const void *ptr, size_t len)
@ -1914,7 +1914,7 @@ fhandler_base_overlapped::wait_overlapped (bool inres, bool writing, DWORD *byte
}
else if (err == ERROR_HANDLE_EOF || err == ERROR_BROKEN_PIPE)
{
debug_printf ("EOF");
debug_printf ("EOF, %E");
*bytes = 0;
res = overlapped_success;
if (writing && err == ERROR_BROKEN_PIPE)