o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Continue switching library over to pthreads when possible.

Browse source 
Tprimes works on Linux 2.6.  You can only have 128 procs
though.
This commit is contained in:
rsc 2004-09-17 03:34:32 +00:00
parent 06bb4ed20d
commit bcf527a98e
15 changed files with 146 additions and 561 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/libthread/channel.c
View file

@ -29,7 +29,7 @@ canexec(Alt *a)
/* are there senders or receivers blocked? */
otherop = (CHANSND+CHANRCV) - a->op;
for(i=0; i<c->nentry; i++)
if(c->qentry[i] && c->qentry[i]->op==otherop && c->qentry[i]->thread==nil){
if(c->qentry[i] && c->qentry[i]->op==otherop && c->qentry[i]->thread->altc==nil){
_threaddebug(DBGCHAN, "can rendez alt %p chan %p", a, c);
return 1;
}
@ -460,7 +460,7 @@ altexec(Alt *a, int spl)
b = nil;
me = a->v;
for(i=0; i<c->nentry; i++)
if(c->qentry[i] && c->qentry[i]->op==otherop && c->qentry[i]->thread==nil)
if(c->qentry[i] && c->qentry[i]->op==otherop && c->qentry[i]->thread->altc==nil)
if(nrand(++n) == 0)
b = c->qentry[i];
if(b != nil){
@ -488,7 +488,7 @@ altexec(Alt *a, int spl)
altcopy(waiter, me, c->e);
}
b->thread->altc = c;
_procwakeup(&b->thread->altrend);
_threadwakeup(&b->thread->altrend);
_threaddebug(DBGCHAN, "chanlock is %lud", *(ulong*)(void*)&chanlock);
_threaddebug(DBGCHAN, "unlocking the chanlock");
unlock(&chanlock);