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| author | Ian Lance Taylor <iant@golang.org> | 2020-12-23 09:57:37 -0800 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2020-12-30 15:13:24 -0800 |
| commit | cfcbb4227fb20191e04eb8d7766ae6202f526afd (patch) | |
| tree | e2effea96f6f204451779f044415c2385e45042b /libgo/go/runtime/select.go | |
| parent | 0696141107d61483f38482b941549959a0d7f613 (diff) | |
| download | gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.zip gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.tar.gz gcc-cfcbb4227fb20191e04eb8d7766ae6202f526afd.tar.bz2 | |
libgo: update to Go1.16beta1 release
This does not yet include support for the //go:embed directive added
in this release.
* Makefile.am (check-runtime): Don't create check-runtime-dir.
(mostlyclean-local): Don't remove check-runtime-dir.
(check-go-tool, check-vet): Copy in go.mod and modules.txt.
(check-cgo-test, check-carchive-test): Add go.mod file.
* Makefile.in: Regenerate.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
Diffstat (limited to 'libgo/go/runtime/select.go')
| -rw-r--r-- | libgo/go/runtime/select.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libgo/go/runtime/select.go b/libgo/go/runtime/select.go index 45cc284..31272b0 100644 --- a/libgo/go/runtime/select.go +++ b/libgo/go/runtime/select.go @@ -106,6 +106,10 @@ func block() { // Both reside on the goroutine's stack (regardless of any escaping in // selectgo). // +// For race detector builds, pc0 points to an array of type +// [ncases]uintptr (also on the stack); for other builds, it's set to +// nil. +// // selectgo returns the index of the chosen scase, which matches the // ordinal position of its respective select{recv,send,default} call. // Also, if the chosen scase was a receive operation, it reports whether @@ -124,6 +128,7 @@ func selectgo(cas0 *scase, order0 *uint16, nsends, nrecvs int, block bool) (int, scases := cas1[:ncases:ncases] pollorder := order1[:ncases:ncases] lockorder := order1[ncases:][:ncases:ncases] + // NOTE: pollorder/lockorder's underlying array was not zero-initialized by compiler. var t0 int64 if blockprofilerate > 0 { |