qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-12 04:30:22 -07:00
Code Releases Activity

another try at clearing

Browse Source 
channel recv data.

R=rsc
CC=golang-dev
https://golang.org/cl/896041
This commit is contained in:
Ken Thompson 2010-04-06 17:33:43 -07:00
parent dec248c665
commit b57afc2f83
1 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/pkg/runtime/chan.c
View File

@ -781,10 +781,9 @@ loop:
sel, c, cas, cas->send, o);
if(!cas->send) {
if(cas->u.elemp != nil) {
if(cas->u.elemp != nil)
c->elemalg->copy(c->elemsize, cas->u.elemp, sg->elem);
c->elemalg->copy(c->elemsize, sg->elem, nil);
}
c->elemalg->copy(c->elemsize, sg->elem, nil);
}
freesg(c, sg);
@ -792,10 +791,9 @@ loop:
asyncrecv:
// can receive from buffer
if(cas->u.elemp != nil) {
if(cas->u.elemp != nil)
c->elemalg->copy(c->elemsize, cas->u.elemp, c->recvdataq->elem);
c->elemalg->copy(c->elemsize, c->recvdataq->elem, nil);
}
c->elemalg->copy(c->elemsize, c->recvdataq->elem, nil);
c->recvdataq = c->recvdataq->link;
c->qcount--;
sg = dequeue(&c->sendq, c);
@ -824,10 +822,9 @@ syncrecv:
// can receive from sleeping sender (sg)
if(debug)
printf("syncrecv: sel=%p c=%p o=%d\n", sel, c, o);
if(cas->u.elemp != nil) {
if(cas->u.elemp != nil)
c->elemalg->copy(c->elemsize, cas->u.elemp, sg->elem);
c->elemalg->copy(c->elemsize, sg->elem, nil);
}
c->elemalg->copy(c->elemsize, sg->elem, nil);
gp = sg->g;
gp->param = sg;
ready(gp);