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/*********************************************************/
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/* ptycon: a pty-console bridge */
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/* Copyright (C) 2016--2017 SysDeer Technologies, LLC */
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/* Released under GPLv2 and GPLv3; see COPYING.PTYCON. */
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/*********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntcon/ntcon.h>
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#include <ntapi/ntapi.h>
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#include <gdi/gdi.h>
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#include <ptycon/ptycon.h>
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#include "ptycon_driver_impl.h"
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int __stdcall ptyc_console_poller(struct ptyc_driver_ctx_impl * ictx)
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{
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int32_t status;
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int32_t iostatus;
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struct ptyc_term_ctx * tctx;
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struct ptyc_driver_ctx * dctx;
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nt_tty_sigctl_info ctlinfo;
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void * hwnd;
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void * hevent;
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nt_timeout timeout;
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nt_iosb iosb;
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gdi_rect orect;
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gdi_rect crect;
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int diff;
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tctx = &ictx->tctx;
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dctx = &ictx->ctx;
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if (!(hwnd = ntcon->get_console_window()))
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return NT_STATUS_INTERNAL_ERROR;
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if ((status = ntapi->tt_create_private_event(
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&hevent,
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NT_NOTIFICATION_EVENT,
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NT_EVENT_NOT_SIGNALED)))
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return status;
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if (!(gdi->get_client_rect(
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hwnd,
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&orect)))
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return NT_STATUS_INTERNAL_ERROR;
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timeout.quad = (-1) * 10 * 1000 * 50;
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do {
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status = ntapi->zw_wait_for_single_object(
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hevent,
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NT_SYNC_ALERTABLE,
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&timeout);
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if (!(gdi->get_client_rect(
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hwnd,
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&crect)))
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return NT_STATUS_INTERNAL_ERROR;
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diff = (crect.right-crect.left !=orect.right-orect.left)
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|| (crect.bottom-crect.top !=orect.bottom-orect.top);
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if (diff) {
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orect.left = crect.left;
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orect.right = crect.right;
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orect.top = crect.top;
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orect.bottom = crect.bottom;
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if (!(ntcon->get_console_screen_buffer_info(
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tctx->hout,
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&tctx->screen_info)))
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return NT_STATUS_INTERNAL_ERROR;
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ntapi->tt_aligned_block_memset(
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&ctlinfo,0,sizeof(ctlinfo));
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ctlinfo.winsize.ws_col = tctx->screen_info.window.right
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- tctx->screen_info.window.left
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+ 1;
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ctlinfo.winsize.ws_row = tctx->screen_info.window.bottom
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- tctx->screen_info.window.top
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+ 1;
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if ((iostatus = ntapi->pty_ioctl(
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ictx->cctx.hptm,
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0,0,0,
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&iosb,
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TTY_TIOCSWINSZ,
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&ctlinfo,sizeof(ctlinfo),
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&ctlinfo,sizeof(ctlinfo))))
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return iostatus;
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}
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} while ((status == NT_STATUS_TIMEOUT) && (dctx->status == NT_STATUS_SUCCESS));
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return (dctx->status == NT_STATUS_PIPE_DISCONNECTED)
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? NT_STATUS_SUCCESS
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: dctx->status ? dctx->status : status;
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}
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