diff options
Diffstat (limited to 'src/runtime/proc.c')
| -rw-r--r-- | src/runtime/proc.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/runtime/proc.c b/src/runtime/proc.c index 7435830ff6..3fe08df94d 100644 --- a/src/runtime/proc.c +++ b/src/runtime/proc.c @@ -171,7 +171,7 @@ sys·newproc(int32 siz, byte* fn, byte* arg0) if((newg = gfget()) != nil){ newg->status = Gwaiting; - }else{ + } else { newg = malg(4096); newg->status = Gwaiting; newg->alllink = allg; @@ -205,6 +205,41 @@ sys·newproc(int32 siz, byte* fn, byte* arg0) } 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; |