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* cygheap.h (cygheap_types): Add HEAP_ARCHETYPES.

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(init_cheap::ctty): Change to pointer.
* dtable.h (dtable::find_archetype): Declare new function.
(dtable::add_archetype): Declare new function.
(dtable::delete_archetype): Declare new function.
(dtable::narchetypes): Declare.
(dtable::farchetypes): Declare.
(dtable::initial_archetype_size): Declare.
(dtable::dtable): Initialize new fields.
(dtable::initial_archetype_size): Declare.
* dtable.cc (dtable::find_archetype): Define new function.
(dtable::add_archetype): Define new function.
(dtable::delete_archetype): Define new function.
(dtable::initial_archetype_size): Define.
* fhandler.h (fhandler_base::archetype): Declare.
(fhandler_base::usecount): Declare.
* fhandler.cc (fhandler_base::fhandler_base): Initialize new fields.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Pass NULL to third
argument of set_ctty.
* fhandler_tty.cc (fhandler_tty_slave::open): Accommodate new archetype method
to create only one instance of a tty.
(fhandler_tty_slave::close): Don't close handles unless archetype usecount is
zero.  When that happens, close archetype too.
(fhandler_tty_slave::dup): Just copy archetype.  Set use count appropriately.
Set ctty, if appropriate.
(fhandler_tty_common::dup): Remove slave considerations.
(fhandler_tty_common::set_close_on_exec): Remove cygheap->ctty considerations.
* pinfo.cc (_pinfo::set_ctty): Accommodate new archetype methods.
* pinfo.h (_pinfo::set_ctty): Make third argument explicit.
* syscalls.cc (close_all_files): Decrement controlling tty use count before
closing all handles to allow controlling tty to be closed.  Remove previous
controlling tty considerations.
This commit is contained in:
Christopher Faylor
2003-12-11 06:12:41 +00:00
parent 3f23411449
commit 8e10c4311f
11 changed files with 162 additions and 44 deletions
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6
winsup/cygwin/fhandler.h
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@ -121,8 +121,11 @@ class fhandler_base
DWORD fs_flags;
HANDLE read_state;
path_conv pc;
class fhandler_base *archetype;
public:
int usecount;
void set_name (path_conv &pc);
int error () const {return pc.error;}
void set_error (int error) {pc.error = error;}
@ -130,6 +133,7 @@ class fhandler_base
int pc_binmode () const {return pc.binmode ();}
device& dev () {return pc.dev;}
operator DWORD& () {return (DWORD) pc;}
virtual size_t size () const {return sizeof (*this);}
virtual fhandler_base& operator =(fhandler_base &x);
fhandler_base ();
@ -138,7 +142,7 @@ class fhandler_base
/* Non-virtual simple accessor functions. */
void set_io_handle (HANDLE x) { io_handle = x; }
DWORD get_device () { return dev ().devn; }
DWORD& get_device () { return dev ().devn; }
DWORD get_major () { return dev ().major; }
DWORD get_minor () { return dev ().minor; }
virtual int get_unit () { return dev ().minor; }