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Modify soft devices to synchronize TSEL=-2 timestamps

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Use dbLinkDoLocked() to ensure a timestamp set by TSEL=-2
comes from the same update as the value.
This commit is contained in:
Andrew Johnson
2017-04-19 16:50:38 -05:00
parent d2db634ed2
commit 89f13aa51b
15 changed files with 236 additions and 62 deletions
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src/std/dev/devLsiSoft.c
+14 -3
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@@ -24,14 +24,25 @@ static long init_record(lsiRecord *prec)
return 0;
}
static long read_string(lsiRecord *prec)
static long readLocked(struct link *pinp, void *dummy)
{
long status = dbGetLinkLS(&prec->inp, prec->val, prec->sizv, &prec->len);
lsiRecord *prec = (lsiRecord *) pinp->precord;
long status = dbGetLinkLS(pinp, prec->val, prec->sizv, &prec->len);
if (!status &&
dbLinkIsConstant(&prec->tsel) &&
prec->tse == epicsTimeEventDeviceTime)
dbGetTimeStamp(&prec->inp, &prec->time);
dbGetTimeStamp(pinp, &prec->time);
return status;
}
static long read_string(lsiRecord *prec)
{
long status = dbLinkDoLocked(&prec->inp, readLocked, NULL);
if (status == S_db_noLSET)
status = readLocked(&prec->inp, NULL);
return status;
}