diff options
Diffstat (limited to 'libgo/go/runtime/sigqueue.go')
| -rw-r--r-- | libgo/go/runtime/sigqueue.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libgo/go/runtime/sigqueue.go b/libgo/go/runtime/sigqueue.go index b108c39cc85..cf926a95689 100644 --- a/libgo/go/runtime/sigqueue.go +++ b/libgo/go/runtime/sigqueue.go @@ -237,7 +237,18 @@ 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 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) + atomic.Store(&sig.ignored[s/32], i) +} + // Checked by signal handlers. +//go:linkname signal_ignored os_signal.signal_ignored func signal_ignored(s uint32) bool { i := atomic.Load(&sig.ignored[s/32]) return i&(1<<(s&31)) != 0 |