Blame src/sem/ntapi_sem_fdio.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_file.h>
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#include <ntapi/nt_string.h>
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#include <ntapi/nt_atomic.h>
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#include <ntapi/nt_port.h>
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#include <ntapi/nt_ipc.h>
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#include <ntapi/nt_sem.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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static int32_t __sem_fdio(
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	nt_sem_info *		sem,
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	nt_iosb *		iosb,
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	uint32_t		opcode)
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{
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	int32_t		status;
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	nt_sem_info_msg	msg;
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	/* validate */
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	if (!iosb)
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		return NT_STATUS_INVALID_PARAMETER;
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	/* msg */
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	__ntapi->tt_aligned_block_memset(
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		&msg,0,sizeof(msg));
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	msg.header.msg_type		= NT_LPC_NEW_MESSAGE;
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	msg.header.data_size		= sizeof(msg.data);
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	msg.header.msg_size		= sizeof(msg);
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	msg.data.ttyinfo.opcode		= opcode;
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	msg.data.seminfo.semkey		= sem->semkey;
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	msg.data.seminfo.semid		= sem->semid;
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	msg.data.seminfo.sempid		= sem->sempid;
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	if ((status = __ntapi->zw_request_wait_reply_port(sem->hport,&msg,&msg)))
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		return status;
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	else if (msg.data.ttyinfo.status)
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		return msg.data.ttyinfo.status;
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	iosb->status = NT_STATUS_SUCCESS;
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	iosb->info   = 0;
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	return NT_STATUS_SUCCESS;
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}
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int32_t	__stdcall __ntapi_sem_cancel(
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	__in	nt_sem_info *		sem,
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	__out	nt_iosb *		iosb)
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{
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	return __sem_fdio(sem,iosb,NT_TTY_SEM_CANCEL);
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}
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int32_t	__stdcall __ntapi_sem_free(
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	__in	nt_sem_info *		sem,
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	__out	nt_iosb *		iosb)
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{
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	return __sem_fdio(sem,iosb,NT_TTY_SEM_FREE);
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}