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clarify / micro-optimize cancel_sync()

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This commit is contained in:
Oswald Buddenhagen 2022-05-20 12:33:51 +02:00
parent 75113ef796
commit ae3a61b668
1 changed files with 3 additions and 5 deletions
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8
src/sync.c
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@ -604,10 +604,8 @@ static void cancel_done( void *aux );
static void static void
cancel_sync( sync_vars_t *svars ) cancel_sync( sync_vars_t *svars )
{ {
int t; int state1 = svars->state[1];
for (int t = 0; ; t++) {
for (t = 0; t < 2; t++) {
int other_state = svars->state[1-t];
if (svars->ret & SYNC_BAD(t)) { if (svars->ret & SYNC_BAD(t)) {
cancel_done( AUX ); cancel_done( AUX );
} else if (!(svars->state[t] & ST_SENT_CANCEL)) { } else if (!(svars->state[t] & ST_SENT_CANCEL)) {
@ -615,7 +613,7 @@ cancel_sync( sync_vars_t *svars )
svars->state[t] |= ST_SENT_CANCEL; svars->state[t] |= ST_SENT_CANCEL;
svars->drv[t]->cancel_cmds( svars->ctx[t], cancel_done, AUX ); svars->drv[t]->cancel_cmds( svars->ctx[t], cancel_done, AUX );
} }
if (other_state & ST_CANCELED) if (t || (state1 & ST_CANCELED))
break; break;
} }
} }