defer
R=r
OCL=23592
CL=23592
diff --git a/src/runtime/proc.c b/src/runtime/proc.c
index 7435830ff..3fe08df 100644
--- a/src/runtime/proc.c
+++ b/src/runtime/proc.c
@@ -171,7 +171,7 @@
if((newg = gfget()) != nil){
newg->status = Gwaiting;
- }else{
+ } else {
newg = malg(4096);
newg->status = Gwaiting;
newg->alllink = allg;
@@ -205,6 +205,41 @@
}
void
+sys·deferproc(int32 siz, byte* fn, byte* arg0)
+{
+ Defer *d;
+
+ d = mal(sizeof(*d) + siz - sizeof(d->args));
+ d->fn = fn;
+ d->sp = (byte*)&arg0;
+ d->siz = siz;
+ mcpy(d->args, d->sp, d->siz);
+
+ d->link = g->defer;
+ g->defer = d;
+}
+
+void
+sys·deferreturn(int32 arg0)
+{
+ // warning: jmpdefer knows the frame size
+ // of this routine. dont change anything
+ // that might change the frame size
+ Defer *d;
+ byte *sp;
+
+ d = g->defer;
+ if(d == nil)
+ return;
+ sp = (byte*)&arg0;
+ if(d->sp != sp)
+ return;
+ mcpy(d->sp, d->args, d->siz);
+ g->defer = d->link;
+ jmpdefer(d->fn);
+}
+
+void
tracebackothers(G *me)
{
G *g;
