seteventmesg.c
1.37 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
/**************************************************************************
* *
* Copyright (C) 1994, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#include "osint.h"
/* #include "assert.h" */
__OSEventState __osEventStateTab[OS_NUM_EVENTS];
extern s32 __osShutdown;
s32 __osPreNMI = 0;
void
osSetEventMesg(OSEvent e, OSMesgQueue *mq, OSMesg m)
{
register u32 saveMask;
__OSEventState *es;
/* Make sure that message queue is not null */
/* assert(mq != NULL); */
#ifdef _DEBUG
if (e >= OS_NUM_EVENTS) {
__osError(ERR_OSSETEVENTMESG, 1, e);
return;
}
#endif
/* Disable interrupts */
saveMask = __osDisableInt();
es = &__osEventStateTab[e];
es->messageQueue = mq;
es->message = m;
/* Check PRENMI */
if (e == OS_EVENT_PRENMI){
if((__osShutdown) && (__osPreNMI == 0)){
osSendMesg(mq,m,OS_MESG_NOBLOCK);
}
__osPreNMI = 1;
}
/* Restore interrupts */
__osRestoreInt(saveMask);
}