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runtime: mark global var as NOPTR 

LGTM=dave
R=golang-codereviews, dave
CC=golang-codereviews
https://golang.org/cl/119300043
This commit is contained in:
Dmitriy Vyukov 2014-07-29 14:45:07 +04:00
parent c0325f5083
commit 5dab2da954
1 changed files with 5 additions and 4 deletions
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9
src/pkg/runtime/sigqueue.goc
View File

@ -31,10 +31,12 @@ package runtime
#include "cgocall.h"
#include "../../cmd/ld/textflag.h"
#pragma textflag NOPTR
static struct {
Note;
uint32 mask[(NSIG+31)/32];
uint32 wanted[(NSIG+31)/32];
uint32 recv[(NSIG+31)/32];
uint32 state;
bool inuse;
} sig;
@ -83,14 +85,13 @@ runtime·sigsend(int32 s)
// Called to receive the next queued signal.
// Must only be called from a single goroutine at a time.
func signal_recv() (m uint32) {
static uint32 recv[nelem(sig.mask)];
uint32 i, old, new;
for(;;) {
// Serve from local copy if there are bits left.
for(i=0; i<NSIG; i++) {
if(recv[i/32]&(1U<<(i&31))) {
recv[i/32] ^= 1U<<(i&31);
if(sig.recv[i/32]&(1U<<(i&31))) {
sig.recv[i/32] ^= 1U<<(i&31);
m = i;
goto done;
}
@ -121,7 +122,7 @@ func signal_recv() (m uint32) {
if(runtime·cas(&sig.mask[i], m, 0))
break;
}
recv[i] = m;
sig.recv[i] = m;
}
}