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| author | Ian Lance Taylor <iant@golang.org> | 2018-08-24 11:44:55 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2018-08-24 20:18:43 +0000 |
| commit | 41e62b8c49d21659b48a95216e3062032285250f (patch) | |
| tree | 74b0912f2f7cee3a722fcbfa6c9116ecd9a2e205 | |
| parent | 89eb905c6d92c7e6cda4de6c48f8d556e996bcb2 (diff) | |
| download | go-41e62b8c49d21659b48a95216e3062032285250f.tar.gz go-41e62b8c49d21659b48a95216e3062032285250f.zip | |
[release-branch.go1.11] runtime: mark sigInitIgnored nosplitgo1.11
The sigInitIgnored function can be called by initsig before a shared
library is initialized, before the runtime is initialized.
Fixes #27183
Change-Id: I7073767938fc011879d47ea951d63a14d1cce878
Reviewed-on: https://go-review.googlesource.com/131277
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
(cherry picked from commit d20ecd6e5dab55376ea4f169eed63608f9bb3b2b)
Reviewed-on: https://go-review.googlesource.com/131278
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
| -rw-r--r-- | src/runtime/sigqueue.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/runtime/sigqueue.go b/src/runtime/sigqueue.go index 9f53240954..a425433b20 100644 --- a/src/runtime/sigqueue.go +++ b/src/runtime/sigqueue.go @@ -237,8 +237,10 @@ func signal_ignore(s uint32) { atomic.Store(&sig.ignored[s/32], i) } -// sigInitIgnored marks the signal as already ignored. This is called at -// program start by siginit. +// sigInitIgnored marks the signal as already ignored. This is called at +// program start by initsig. In a shared library initsig is called by +// libpreinit, so the runtime may not be initialized yet. +//go:nosplit func sigInitIgnored(s uint32) { i := sig.ignored[s/32] i |= 1 << (s & 31) |