int
coilFinish(coilContext *cctx) {
char me[]="coilFinish", err[BIFF_STRLEN];
unsigned int tidx;
if (!cctx) {
sprintf(err, "%s: got NULL pointer", me);
biffAdd(COIL, err); return 1;
}
if (cctx->verbose > 1) {
fprintf(stderr, "%s: finishing workers\n", me);
}
cctx->finished = AIR_TRUE;
if (cctx->numThreads > 1) {
airThreadBarrierWait(cctx->filterBarrier);
for (tidx=1; tidx<cctx->numThreads; tidx++) {
airThreadJoin(cctx->task[tidx]->thread, &(cctx->task[tidx]->returnPtr));
cctx->task[tidx]->thread = airThreadNix(cctx->task[tidx]->thread);
cctx->task[tidx] = _coilTaskNix(cctx->task[tidx]);
}
}
cctx->task[0]->thread = airThreadNix(cctx->task[0]->thread);
cctx->task[0] = _coilTaskNix(cctx->task[0]);
cctx->task = (coilTask **)airFree(cctx->task);
if (cctx->numThreads > 1) {
cctx->nextSliceMutex = airThreadMutexNix(cctx->nextSliceMutex);
cctx->filterBarrier = airThreadBarrierNix(cctx->filterBarrier);
cctx->updateBarrier = airThreadBarrierNix(cctx->updateBarrier);
}
return 0;
}
airThreadBarrier *
airThreadBarrierNix(airThreadBarrier *barrier) {
barrier->doneMutex = airThreadMutexNix(barrier->doneMutex);
barrier->doneCond = airThreadCondNix(barrier->doneCond);
airFree(barrier);
return NULL;
}
int
alanRun(alanContext *actx) {
char me[]="alanRun", err[BIFF_STRLEN];
int tid, hack=AIR_FALSE;
alanTask task[ALAN_THREAD_MAX];
if (_alanCheck(actx)) {
sprintf(err, "%s: ", me);
biffAdd(ALAN, err); return 1;
}
if (!( actx->_nlev[0] && actx->_nlev[0] )) {
sprintf(err, "%s: _nlev[0,1] not allocated: "
"call alanUpdate + alanInit", me);
biffAdd(ALAN, err); return 1;
}
if (!airThreadCapable && 1 == actx->numThreads) {
hack = airThreadNoopWarning;
airThreadNoopWarning = AIR_FALSE;
}
actx->changeMutex = airThreadMutexNew();
actx->iterBarrier = airThreadBarrierNew(actx->numThreads);
actx->averageChange = 0;
actx->changeCount = 0;
actx->stop = alanStopNot;
for (tid=0; tid<actx->numThreads; tid++) {
task[tid].actx = actx;
task[tid].idx = tid;
task[tid].thread = airThreadNew();
airThreadStart(task[tid].thread, _alanTuringWorker,
(void *)&(task[tid]));
}
for (tid=0; tid<actx->numThreads; tid++) {
airThreadJoin(task[tid].thread, &(task[tid].me));
task[tid].thread = airThreadNix(task[tid].thread);
}
actx->iterBarrier = airThreadBarrierNix(actx->iterBarrier);
actx->changeMutex = airThreadMutexNix(actx->changeMutex);
if (!airThreadCapable && 1 == actx->numThreads) {
airThreadNoopWarning = hack;
}
/* we assume that someone set actx->stop */
return 0;
}
/*
** this is called *after* pushOutputGet
**
** should nix everything created by the many _push*Setup() functions
*/
int
pushFinish(pushContext *pctx) {
char me[]="pushFinish", err[BIFF_STRLEN];
unsigned int ii, tidx;
if (!pctx) {
sprintf(err, "%s: got NULL pointer", me);
biffAdd(PUSH, err); return 1;
}
if (pctx->verbose > 1) {
fprintf(stderr, "%s: finishing workers\n", me);
}
pctx->finished = AIR_TRUE;
if (pctx->numThread > 1) {
airThreadBarrierWait(pctx->stageBarrierA);
}
for (tidx=pctx->numThread; tidx>0; tidx--) {
if (tidx-1) {
airThreadJoin(pctx->task[tidx-1]->thread,
&(pctx->task[tidx-1]->returnPtr));
}
pctx->task[tidx-1]->thread = airThreadNix(pctx->task[tidx-1]->thread);
pctx->task[tidx-1] = _pushTaskNix(pctx->task[tidx-1]);
}
pctx->task = (pushTask **)airFree(pctx->task);
pctx->nten = nrrdNuke(pctx->nten);
pctx->ninv = nrrdNuke(pctx->ninv);
pctx->nmask = nrrdNuke(pctx->nmask);
pctx->gctx = gageContextNix(pctx->gctx);
pctx->fctx = tenFiberContextNix(pctx->fctx);
for (ii=0; ii<pctx->numBin; ii++) {
pushBinDone(pctx->bin + ii);
}
pctx->bin = (pushBin *)airFree(pctx->bin);
pctx->binsEdge = pctx->numBin = 0;
if (pctx->numThread > 1) {
pctx->binMutex = airThreadMutexNix(pctx->binMutex);
pctx->stageBarrierA = airThreadBarrierNix(pctx->stageBarrierA);
pctx->stageBarrierB = airThreadBarrierNix(pctx->stageBarrierB);
}
return 0;
}
airThreadBarrier *
airThreadBarrierNew(unsigned int numUsers) {
airThreadBarrier *barrier;
barrier = (airThreadBarrier *)calloc(1, sizeof(airThreadBarrier));
if (barrier) {
barrier->numUsers = numUsers;
barrier->numDone = 0;
if (!(barrier->doneMutex = airThreadMutexNew())) {
airFree(barrier);
return NULL;
}
if (!(barrier->doneCond = airThreadCondNew())) {
barrier->doneMutex = airThreadMutexNix(barrier->doneMutex);
airFree(barrier);
return NULL;
}
}
return barrier;
}
/*
** this is called *after* pullOutputGet
**
** should nix everything created by the many _pull*Setup() functions
*/
int
pullFinish(pullContext *pctx) {
char me[]="pullFinish", err[BIFF_STRLEN];
unsigned int tidx;
if (!pctx) {
sprintf(err, "%s: got NULL pointer", me);
biffAdd(PULL, err); return 1;
}
pctx->finished = AIR_TRUE;
if (pctx->threadNum > 1) {
if (pctx->verbose > 1) {
fprintf(stderr, "%s: finishing workers\n", me);
}
airThreadBarrierWait(pctx->iterBarrierA);
/* worker threads now pass barrierA and see that finished is AIR_TRUE,
and then bail, so now we collect them */
for (tidx=pctx->threadNum; tidx>0; tidx--) {
if (tidx-1) {
airThreadJoin(pctx->task[tidx-1]->thread,
&(pctx->task[tidx-1]->returnPtr));
}
}
pctx->binMutex = airThreadMutexNix(pctx->binMutex);
pctx->iterBarrierA = airThreadBarrierNix(pctx->iterBarrierA);
pctx->iterBarrierB = airThreadBarrierNix(pctx->iterBarrierB);
}
/* no need for _pullVolumeFinish(pctx), at least not now */
/* no need for _pullInfoFinish(pctx), at least not now */
_pullTaskFinish(pctx);
_pullBinFinish(pctx);
_pullPointFinish(pctx); /* yes, nixed bins deleted pnts inside, but
other buffers still have to be freed */
return 0;
}
/*
******** hooverRender()
**
** because of the biff usage(), only one thread can call hooverRender(),
** and no promises if the threads themselves call biff...
*/
int
hooverRender(hooverContext *ctx, int *errCodeP, int *errThreadP) {
char me[]="hooverRender", err[BIFF_STRLEN];
_hooverExtraContext *ec;
_hooverThreadArg args[HOOVER_THREAD_MAX];
_hooverThreadArg *errArg;
airThread *thread[HOOVER_THREAD_MAX];
_htpu u;
void *render;
int ret;
airArray *mop;
int threadIdx;
if (!( errCodeP && errThreadP )) {
sprintf(err, "%s: got NULL int return pointer", me);
biffAdd(HOOVER, err);
return hooverErrInit;
}
/* this calls limnCameraUpdate() */
if (hooverContextCheck(ctx)) {
sprintf(err, "%s: problem detected in given context", me);
biffAdd(HOOVER, err);
*errCodeP = 0;
*errThreadP = 0;
return hooverErrInit;
}
if (!(ec = _hooverExtraContextNew(ctx))) {
sprintf(err, "%s: problem creating thread context", me);
biffAdd(HOOVER, err);
*errCodeP = 0;
*errThreadP = 0;
return hooverErrInit;
}
mop = airMopNew();
airMopAdd(mop, ec, (airMopper)_hooverExtraContextNix, airMopAlways);
if ( (ret = (ctx->renderBegin)(&render, ctx->user)) ) {
*errCodeP = ret;
*errCodeP = 0;
*errThreadP = 0;
airMopError(mop);
return hooverErrRenderBegin;
}
for (threadIdx=0; threadIdx<ctx->numThreads; threadIdx++) {
args[threadIdx].ctx = ctx;
args[threadIdx].ec = ec;
args[threadIdx].render = render;
args[threadIdx].whichThread = threadIdx;
args[threadIdx].whichErr = hooverErrNone;
args[threadIdx].errCode = 0;
thread[threadIdx] = airThreadNew();
}
ctx->workIdx = 0;
if (1 < ctx->numThreads) {
ctx->workMutex = airThreadMutexNew();
} else {
ctx->workMutex = NULL;
}
/* (done): call airThreadStart() once per thread, passing the
address of a distinct (and appropriately intialized)
_hooverThreadArg to each. If return of airThreadStart() is
non-zero, put its return in *errCodeP, the number of the
problematic in *errThreadP, and return hooverErrThreadCreate.
Then call airThreadJoin() on all the threads, passing &errArg as
"retval". On non-zero return, set *errCodeP and *errThreadP,
and return hooverErrThreadJoin. If return of airThreadJoin() is
zero, but the errArg is non-NULL, then assume that this errArg
is actually just the passed _hooverThreadArg returned to us, and
from this copy errArg->errCode into *errCodeP, and return
errArg->whichErr */
if (1 < ctx->numThreads && !airThreadCapable) {
fprintf(stderr, "%s: WARNING: not multi-threaded; will do %d "
"\"threads\" serially !!!\n", me, ctx->numThreads);
}
for (threadIdx=0; threadIdx<ctx->numThreads; threadIdx++) {
if ((ret = airThreadStart(thread[threadIdx], _hooverThreadBody,
(void *) &args[threadIdx]))) {
*errCodeP = ret;
*errThreadP = threadIdx;
airMopError(mop);
return hooverErrThreadCreate;
}
}
for (threadIdx=0; threadIdx<ctx->numThreads; threadIdx++) {
u.h = &errArg;
if ((ret = airThreadJoin(thread[threadIdx], u.v))) {
*errCodeP = ret;
*errThreadP = threadIdx;
airMopError(mop);
return hooverErrThreadJoin;
}
if (errArg != NULL) {
*errCodeP = errArg->errCode;
*errThreadP = threadIdx;
return errArg->whichErr;
}
thread[threadIdx] = airThreadNix(thread[threadIdx]);
}
if (1 < ctx->numThreads) {
ctx->workMutex = airThreadMutexNix(ctx->workMutex);
}
if ( (ret = (ctx->renderEnd)(render, ctx->user)) ) {
*errCodeP = ret;
*errThreadP = -1;
return hooverErrRenderEnd;
}
render = NULL;
airMopOkay(mop);
*errCodeP = 0;
*errThreadP = 0;
return hooverErrNone;
}
