newlib/winsup/cygwin/select.h

111 lines
2.9 KiB
C
Raw Normal View History

* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
/* select.h
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2013-04-23 11:44:36 +02:00
2007, 2008, 2009, 2010, 2011, 2012 Red Hat, Inc.
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _SELECT_H_
#define _SELECT_H_
struct select_record
{
int fd;
HANDLE h;
fhandler_base *fh;
int thread_errno;
bool windows_handle;
bool read_ready, write_ready, except_ready;
bool read_selected, write_selected, except_selected;
bool except_on_write;
int (*startup) (select_record *, class select_stuff *);
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
int (*peek) (select_record *, bool);
int (*verify) (select_record *, fd_set *, fd_set *, fd_set *);
void (*cleanup) (select_record *, class select_stuff *);
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
struct select_record *next;
void set_select_errno () {__seterrno (); thread_errno = errno;}
int saw_error () {return thread_errno;}
2012-12-19 23:07:14 +01:00
select_record (int): next (NULL) {}
select_record (): fd (0), h (NULL), fh (NULL), thread_errno (0),
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
windows_handle (false), read_ready (false), write_ready (false),
except_ready (false), read_selected (false), write_selected (false),
except_selected (false), except_on_write (false),
startup (NULL), peek (NULL), verify (NULL), cleanup (NULL),
next (NULL) {}
#ifdef DEBUGGING
void dump_select_record ();
#endif
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
struct select_info
{
cygthread *thread;
bool stop_thread;
select_record *start;
select_info (): thread (NULL), stop_thread (0), start (NULL) {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
struct select_pipe_info: public select_info
{
select_pipe_info (): select_info () {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
struct select_socket_info: public select_info
{
int num_w4;
LONG *ser_num;
HANDLE *w4;
2013-03-31 14:37:45 +02:00
select_socket_info (): select_info (), num_w4 (0), ser_num (0), w4 (NULL) {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
struct select_serial_info: public select_info
{
select_serial_info (): select_info () {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
struct select_mailslot_info: public select_info
{
select_mailslot_info (): select_info () {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
class select_stuff
{
public:
enum wait_states
{
select_signalled = -3,
select_loop = -2,
select_error = -1,
select_ok = 0,
select_set_zero = 1
};
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
~select_stuff ();
bool return_on_signal;
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
bool always_ready, windows_used;
select_record start;
select_pipe_info *device_specific_pipe;
select_socket_info *device_specific_socket;
select_serial_info *device_specific_serial;
select_mailslot_info *device_specific_mailslot;
bool test_and_set (int, fd_set *, fd_set *, fd_set *);
int poll (fd_set *, fd_set *, fd_set *);
wait_states wait (fd_set *, fd_set *, fd_set *, DWORD);
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
void cleanup ();
void destroy ();
select_stuff (): return_on_signal (false), always_ready (false),
windows_used (false), start (0),
device_specific_pipe (NULL),
device_specific_socket (NULL),
device_specific_serial (NULL),
device_specific_mailslot (NULL) {}
* select.h: New file split from fhandler.h. (select_record::select_record): Define do-nothing constructor for "new" to avoid gratuitous zeroing. (select_info): New base class. (select_pipe_info): New class with methods for dealing with pipes. (select_socket_info): New class with methods for dealing with sockets. (select_serial_info): Dummy class for serial. (select_mailslot_info): Dummy class for mailslots. (select_stuff): Define device_specific_* as actual classes rather than void *. * dtable.h (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * dtable.cc (dtable::select_read): Accommodate return value change to 'bool' and argument change to "select_stuff". (dtable::select_write): Ditto. (dtable::select_except): Ditto. * fhandler.h: Excise select-related classes. (fhandler_*::select_read): Change argument to select_stuff. (fhandler_*::select_write): Ditto. (fhandler_*::select_except): Ditto. * select.cc (UNIX_FD_ZERO): Use memset rather than bzero. (select_stuff::test_and_set): Change return type to bool. Allocate select_record on entry and let fhandler_*::select_* operate on the start.next field of select_stuff. (pipeinf): Delete. (select_pipe_info::select_pipe_info): New constructor. Allocates event for controlling pipe waits. (select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop thread. (select_pipe_info::add_watch_handle): New function. (thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking. (start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume that it has been allocated earlier. (pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe paraphenalia. (fhandler_*::select_*): Derive select_record from new select_stuff argument. (fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already allocated. (serialinf): Delete. (thread_serial): serialinf -> select_serial_info. (fhandler_base::ready_for_read): Rewrite to accommodate change in argument to fhandler_*::select_*. (socketinf): Delete. (thread_socket): socketinf -> select_socket_info. (mailslotinf): Delete. (thread_mailslot): mailslotinf -> select_mailslot_info.
2009-06-30 23:18:44 +02:00
};
#endif /* _SELECT_H_ */