diff options
| author | Russ Cox <rsc@golang.org> | 2014-08-25 13:31:55 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-08-25 13:31:55 -0400 |
| commit | 1d2955a2afac04f5d392ecb1ad8b489f28976bf4 (patch) | |
| tree | 1168618c090c4ffb2ffbfd7c6f81da7608fb7cb7 /src/pkg/runtime | |
| parent | b83d8bd0b85ff8b60a113bac841bfaf4cce52e3c (diff) | |
| download | go-1d2955a2afac04f5d392ecb1ad8b489f28976bf4.tar.xz | |
runtime: round channel size in allocation instead of using system-specific pad field
Followup to CL 128700043.
LGTM=bradfitz, dvyukov
R=dvyukov, bradfitz
CC=golang-codereviews
https://golang.org/cl/133850043
Diffstat (limited to 'src/pkg/runtime')
| -rw-r--r-- | src/pkg/runtime/chan.go | 4 | ||||
| -rw-r--r-- | src/pkg/runtime/chan.h | 3 |
2 files changed, 2 insertions, 5 deletions
diff --git a/src/pkg/runtime/chan.go b/src/pkg/runtime/chan.go index d3fcc6d13f..7a44afacec 100644 --- a/src/pkg/runtime/chan.go +++ b/src/pkg/runtime/chan.go @@ -11,11 +11,11 @@ import "unsafe" const ( maxAlign = 8 - hchanSize = unsafe.Sizeof(hchan{}) + hchanSize = unsafe.Sizeof(hchan{}) + uintptr(-int(unsafe.Sizeof(hchan{}))&(maxAlign-1)) debugChan = false ) -// TODO: make hchan.buf an unsafe.Pointer, not a *uint8 +// TODO(khr): make hchan.buf an unsafe.Pointer, not a *uint8 func makechan(t *chantype, size int64) *hchan { elem := t.elem diff --git a/src/pkg/runtime/chan.h b/src/pkg/runtime/chan.h index 30825eafad..52eb20099d 100644 --- a/src/pkg/runtime/chan.h +++ b/src/pkg/runtime/chan.h @@ -21,9 +21,6 @@ struct Hchan byte* buf; uint16 elemsize; uint32 closed; -#ifndef GOARCH_amd64 - uint32 pad; // ensures proper alignment of the buffer that follows Hchan in memory -#endif Type* elemtype; // element type uintgo sendx; // send index uintgo recvx; // receive index |