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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 19:05:34 +0000 |
| commit | 97f153528513e9a7ededf7e0aca7a4e30a3f4fe7 (patch) | |
| tree | 657f405649f10ba1f5297842d632b6c0b9fee84a /src | |
| parent | 05c02444eb2d8b8d3ecd949c4308d8e2323ae087 (diff) | |
| download | go-97f153528513e9a7ededf7e0aca7a4e30a3f4fe7.tar.xz | |
runtime: mark sigInitIgnored nosplit
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>
Diffstat (limited to 'src')
| -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) |