|
 |
47f21a |
/********************************************************/
|
|
|
47f21a |
/* ntapi: Native API core library */
|
|
|
47f21a |
/* Copyright (C) 2013--2017 Z. Gilboa */
|
|
|
47f21a |
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
|
|
|
47f21a |
/********************************************************/
|
|
|
47f21a |
|
|
|
47f21a |
#include <psxtypes/psxtypes.h>
|
|
|
47f21a |
#include <ntapi/nt_file.h>
|
|
|
47f21a |
#include <ntapi/nt_string.h>
|
|
|
47f21a |
#include <ntapi/nt_atomic.h>
|
|
|
47f21a |
#include <ntapi/nt_port.h>
|
|
|
47f21a |
#include <ntapi/nt_ipc.h>
|
|
|
47f21a |
#include <ntapi/nt_msq.h>
|
|
|
47f21a |
#include <ntapi/ntapi.h>
|
|
|
47f21a |
#include "ntapi_impl.h"
|
|
|
47f21a |
|
|
|
47f21a |
static int32_t __msq_recv_return(
|
|
|
47f21a |
intptr_t * hlock,
|
|
|
47f21a |
int32_t status)
|
|
|
47f21a |
{
|
|
|
47f21a |
at_store(hlock,0);
|
|
|
47f21a |
return status;
|
|
|
47f21a |
}
|
|
|
47f21a |
|
|
|
47f21a |
|
|
|
47f21a |
int32_t __stdcall __ntapi_msq_recv(
|
|
|
47f21a |
__in nt_msq_info * msq,
|
|
|
47f21a |
__in void * hevent __optional,
|
|
|
47f21a |
__in nt_io_apc_routine * apc_routine __optional,
|
|
|
47f21a |
__in void * apc_context __optional,
|
|
|
47f21a |
__out void * buffer,
|
|
|
47f21a |
__in size_t len,
|
|
|
47f21a |
__in intptr_t rank,
|
|
|
47f21a |
__in uint32_t options,
|
|
|
47f21a |
__out nt_io_status_block * iosb)
|
|
|
47f21a |
{
|
|
|
47f21a |
int32_t status;
|
|
|
47f21a |
void * hsection;
|
|
|
47f21a |
void * secaddr;
|
|
|
47f21a |
size_t secsize;
|
|
|
47f21a |
nt_msq_info_msg msg;
|
|
|
47f21a |
intptr_t * hlock;
|
|
|
47f21a |
|
|
|
47f21a |
/* validate */
|
|
|
47f21a |
if (!iosb)
|
|
|
47f21a |
return NT_STATUS_INVALID_PARAMETER;
|
|
|
47f21a |
|
|
|
47f21a |
else if (!len)
|
|
|
47f21a |
return NT_STATUS_INVALID_PARAMETER;
|
|
|
47f21a |
|
|
|
47f21a |
/* section */
|
|
|
47f21a |
if (msq->section_addr) {
|
|
|
47f21a |
hsection = msq->section;
|
|
|
47f21a |
secaddr = msq->section_addr;
|
|
|
47f21a |
secsize = msq->section_size;
|
|
|
47f21a |
|
|
|
47f21a |
} else if ((status = __ntapi->ipc_init_section_by_port(
|
|
|
47f21a |
msq->hport,&hsection,
|
|
|
47f21a |
&secaddr,&secsize)))
|
|
|
47f21a |
return status;
|
|
|
47f21a |
|
|
|
47f21a |
/* len */
|
|
|
47f21a |
if (len > secsize)
|
|
|
47f21a |
len = secsize;
|
|
|
47f21a |
|
|
|
47f21a |
/* lock */
|
|
|
47f21a |
hlock = &(__ntapi_internals()->hlock);
|
|
|
47f21a |
|
|
|
47f21a |
if (at_locked_cas(hlock,0,1))
|
|
|
47f21a |
return NT_STATUS_RESOURCE_NOT_OWNED;
|
|
|
47f21a |
|
|
|
47f21a |
/* msg */
|
|
|
47f21a |
__ntapi->tt_aligned_block_memset(
|
|
|
47f21a |
&msg,0,sizeof(msg));
|
|
|
47f21a |
|
|
|
47f21a |
msg.header.msg_type = NT_LPC_NEW_MESSAGE;
|
|
|
47f21a |
msg.header.data_size = sizeof(msg.data);
|
|
|
47f21a |
msg.header.msg_size = sizeof(msg);
|
|
|
47f21a |
msg.data.ttyinfo.opcode = NT_TTY_MSQ_RECV;
|
|
|
47f21a |
|
|
|
47f21a |
msg.data.msqinfo.msqkey = msq->msqkey;
|
|
|
47f21a |
msg.data.msqinfo.msqid = msq->msqid;
|
|
|
47f21a |
msg.data.msqinfo.msqrpid = msq->msqrpid;
|
|
|
47f21a |
msg.data.msqinfo.msqrank = rank;
|
|
|
47f21a |
msg.data.msqinfo.section_addr = secaddr;
|
|
|
47f21a |
msg.data.msqinfo.section_size = len;
|
|
|
47f21a |
msg.data.msqinfo.ntoptions = options;
|
|
|
47f21a |
|
|
|
47f21a |
msg.data.msqinfo.hevent = hevent;
|
|
|
47f21a |
msg.data.msqinfo.apc_routine = apc_routine;
|
|
|
47f21a |
msg.data.msqinfo.apc_context = apc_context;
|
|
|
47f21a |
msg.data.msqinfo.riosb = iosb;
|
|
|
47f21a |
|
|
|
47f21a |
if ((status = __ntapi->zw_request_wait_reply_port(msq->hport,&msg,&msg)))
|
|
|
47f21a |
return __msq_recv_return(hlock,status);
|
|
|
47f21a |
else if (msg.data.ttyinfo.status)
|
|
|
47f21a |
return __msq_recv_return(hlock,msg.data.ttyinfo.status);
|
|
|
47f21a |
|
|
|
47f21a |
/* msq data section to buffer */
|
|
|
47f21a |
__ntapi->tt_generic_memcpy(
|
|
|
47f21a |
buffer,secaddr,
|
|
|
47f21a |
msg.data.msqinfo.ntiosb.info);
|
|
|
47f21a |
|
|
|
47f21a |
/* all done */
|
|
|
47f21a |
iosb->status = msg.data.msqinfo.ntiosb.status;
|
|
|
47f21a |
iosb->info = msg.data.msqinfo.ntiosb.info;
|
|
|
47f21a |
|
|
|
47f21a |
return __msq_recv_return(hlock,NT_STATUS_SUCCESS);
|
|
|
47f21a |
}
|