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Diffstat (limited to 'src/msq/ntapi_msq_send.c')
-rw-r--r--src/msq/ntapi_msq_send.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/msq/ntapi_msq_send.c b/src/msq/ntapi_msq_send.c
new file mode 100644
index 0000000..65443ea
--- /dev/null
+++ b/src/msq/ntapi_msq_send.c
@@ -0,0 +1,103 @@
+/********************************************************/
+/* ntapi: Native API core library */
+/* Copyright (C) 2013--2017 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_file.h>
+#include <ntapi/nt_string.h>
+#include <ntapi/nt_atomic.h>
+#include <ntapi/nt_port.h>
+#include <ntapi/nt_ipc.h>
+#include <ntapi/nt_msq.h>
+#include <ntapi/ntapi.h>
+#include "ntapi_impl.h"
+
+static int32_t __msq_send_return(
+ intptr_t * hlock,
+ int32_t status)
+{
+ at_store(hlock,0);
+ return status;
+}
+
+
+int32_t __stdcall __ntapi_msq_send(
+ __in nt_msq_info * msq,
+ __in void * hevent __optional,
+ __in nt_io_apc_routine * apc_routine __optional,
+ __in void * apc_context __optional,
+ __in const void * buffer,
+ __in size_t len,
+ __in intptr_t rank,
+ __in uint32_t options,
+ __out nt_io_status_block * iosb)
+{
+ int32_t status;
+ void * hsection;
+ void * secaddr;
+ size_t secsize;
+ nt_msq_info_msg msg;
+ intptr_t * hlock;
+
+ /* validate */
+ if (!iosb)
+ return NT_STATUS_INVALID_PARAMETER;
+
+ /* section */
+ if (msq->section_addr) {
+ hsection = msq->section;
+ secaddr = msq->section_addr;
+ secsize = msq->section_size;
+
+ } else if ((status = __ntapi->ipc_init_section_by_port(
+ msq->hport,&hsection,
+ &secaddr,&secsize)))
+ return status;
+
+ if (len > secsize)
+ return NT_STATUS_INFO_LENGTH_MISMATCH;
+
+ /* lock */
+ hlock = &(__ntapi_internals()->hlock);
+
+ if (at_locked_cas(hlock,0,1))
+ return NT_STATUS_RESOURCE_NOT_OWNED;
+
+ /* msq data to section */
+ __ntapi->tt_generic_memcpy(
+ secaddr,buffer,len);
+
+ /* msg */
+ __ntapi->tt_aligned_block_memset(
+ &msg,0,sizeof(msg));
+
+ msg.header.msg_type = NT_LPC_NEW_MESSAGE;
+ msg.header.data_size = sizeof(msg.data);
+ msg.header.msg_size = sizeof(msg);
+ msg.data.ttyinfo.opcode = NT_TTY_MSQ_SEND;
+
+ msg.data.msqinfo.msqkey = msq->msqkey;
+ msg.data.msqinfo.msqid = msq->msqid;
+ msg.data.msqinfo.msqspid = msq->msqspid;
+ msg.data.msqinfo.msqrank = rank;
+ msg.data.msqinfo.section_addr = secaddr;
+ msg.data.msqinfo.section_size = len;
+ msg.data.msqinfo.ntoptions = options;
+
+ msg.data.msqinfo.hevent = hevent;
+ msg.data.msqinfo.apc_routine = apc_routine;
+ msg.data.msqinfo.apc_context = apc_context;
+ msg.data.msqinfo.riosb = iosb;
+
+ if ((status = __ntapi->zw_request_wait_reply_port(msq->hport,&msg,&msg)))
+ return __msq_send_return(hlock,status);
+ else if (msg.data.ttyinfo.status)
+ return __msq_send_return(hlock,msg.data.ttyinfo.status);
+
+ iosb->status = msg.data.msqinfo.ntiosb.status;
+ iosb->info = msg.data.msqinfo.ntiosb.info;
+
+ return __msq_send_return(hlock,NT_STATUS_SUCCESS);
+}