Blame src/internal/ptycon_ioctl_impl.h

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#ifndef PTYCON_IOCTL_IMPL_H
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#define PTYCON_IOCTL_IMPL_H
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#include <ntapi/ntapi.h>
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static int32_t ptyc_grant(nt_pty * hptm)
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{
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	nt_tty_sigctl_info	ctlinfo;
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	nt_iosb			iosb;
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	ntapi->tt_aligned_block_memset(
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		&ctlinfo,0,sizeof(ctlinfo));
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	return ntapi->pty_ioctl(
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		hptm,
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		0,0,0,
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		&iosb,TTY_TIOCSPTLCK,
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		&ctlinfo,sizeof(ctlinfo),
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		&ctlinfo,sizeof(ctlinfo));
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}
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static int32_t ptyc_set_client_info(
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	nt_pty *		hpty,
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	nt_pty_client_info *	clinfo)
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{
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	int32_t			status;
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	nt_iosb			iosb;
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	nt_large_integer	ticks;
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	nt_large_integer	freq;
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	nt_pty_client_info	ptyinfo;
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	if ((status = ntapi->zw_query_performance_counter(
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			&ticks,&freq)))
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		return status;
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	ptyinfo.any[0] = (ticks.ulow << 19) | (ticks.ulow >> 13);
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	if ((status = ntapi->zw_query_performance_counter(
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			&ticks,&freq)))
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		return status;
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	ptyinfo.any[1] = (ticks.ulow << 15) | (ticks.ulow >> 17);
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	if ((status = ntapi->zw_query_performance_counter(
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			&ticks,&freq)))
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		return status;
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	ptyinfo.any[1] = (ticks.ulow << 11) | (ticks.ulow >> 21);
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	if ((status = ntapi->zw_query_performance_counter(
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			&ticks,&freq)))
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		return status;
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	ptyinfo.any[1] = (ticks.ulow << 17) | (ticks.ulow >> 15);
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	if ((status = ntapi->pty_set(
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			hpty,&iosb,
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			&ptyinfo,sizeof(ptyinfo),
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			NT_PTY_CLIENT_INFORMATION)))
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		return status;
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	clinfo->any[0] = ptyinfo.any[0];
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	clinfo->any[1] = ptyinfo.any[1];
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	clinfo->any[2] = ptyinfo.any[2];
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	clinfo->any[3] = ptyinfo.any[3];
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	return NT_STATUS_SUCCESS;
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}
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static int32_t ptyc_pty_own(
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	nt_pty *		hpty,
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	nt_runtime_data *	rtdata)
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{
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	int32_t			status;
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	nt_tty_session_info	sessioninfo;
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	nt_tty_sigctl_info	ctlinfo;
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	nt_pty_client_info	ptyinfo;
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	nt_iosb			iosb;
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	/* inherited session info */
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	if ((status = ntapi->tty_client_session_query(
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			rtdata->hsession,
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			&sessioninfo)))
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		return status;
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	/* simulated fork */
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	sessioninfo.pid	   = rtdata->cid_self.process_id;
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	sessioninfo.pgid   = sessioninfo.pgid ? sessioninfo.pgid : -1;
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	sessioninfo.sid	   = 0;
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	sessioninfo.syspid = 0;
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	if ((status = ntapi->tty_client_session_set(
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			rtdata->hsession,
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			&sessioninfo)))
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		return status;
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	/* setsid() */
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	sessioninfo.pid	   = rtdata->cid_self.process_id;
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	sessioninfo.pgid   = rtdata->cid_self.process_id;
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	sessioninfo.sid	   = rtdata->cid_self.process_id;
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	sessioninfo.syspid = 0;
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	if ((status = ntapi->tty_client_session_set(
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			rtdata->hsession,
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			&sessioninfo)))
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		return status;
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	/* ctty */
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	ntapi->tt_aligned_block_memset(
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		&ctlinfo,0,sizeof(ctlinfo));
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	if ((status = ntapi->pty_ioctl(
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			hpty,
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			0,0,0,
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			&iosb,
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			TTY_TIOCSCTTY,
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			&ctlinfo,sizeof(ctlinfo),
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			&ctlinfo,sizeof(ctlinfo))))
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		return status;
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	/* tcsetpgrp */
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	ntapi->tt_aligned_block_memset(
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		&ctlinfo,0,sizeof(ctlinfo));
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	ctlinfo.ctxarg[0] = rtdata->cid_self.process_id;
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	if ((status = ntapi->pty_ioctl(
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			hpty,
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			0,0,0,
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			&iosb,
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			TTY_TIOCSPGRP,
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			&ctlinfo,sizeof(ctlinfo),
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			&ctlinfo,sizeof(ctlinfo))))
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		return status;
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	/* [ptycon daemon loop]: ctty signals */
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	ntapi->tt_aligned_block_memset(
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		&ptyinfo,0,sizeof(ptyinfo));
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	if ((status = ntapi->pty_set(
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			hpty,&iosb,
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			&ptyinfo,sizeof(ptyinfo),
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			NT_PTY_CLIENT_INFORMATION)))
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		return status;
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	return NT_STATUS_SUCCESS;
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}
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#endif