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Diffstat (limited to 'libgo/go/runtime/signal2_unix.go')
-rw-r--r--libgo/go/runtime/signal2_unix.go66
1 files changed, 0 insertions, 66 deletions
diff --git a/libgo/go/runtime/signal2_unix.go b/libgo/go/runtime/signal2_unix.go
deleted file mode 100644
index 2a39eac43fa..00000000000
--- a/libgo/go/runtime/signal2_unix.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
-
-package runtime
-
-import "unsafe"
-
-// Determines if the signal should be handled by Go and if not, forwards the
-// signal to the handler that was installed before Go's. Returns whether the
-// signal was forwarded.
-// This is called by the signal handler, and the world may be stopped.
-//go:nosplit
-//go:nowritebarrierrec
-func sigfwdgo(sig uint32, info *_siginfo_t, ctx unsafe.Pointer) bool {
- if sig >= uint32(len(sigtable)) {
- return false
- }
- fwdFn := fwdSig[sig]
-
- if !signalsOK {
- // The only way we can get here is if we are in a
- // library or archive, we installed a signal handler
- // at program startup, but the Go runtime has not yet
- // been initialized.
- if fwdFn == _SIG_DFL {
- dieFromSignal(int32(sig))
- } else {
- sigfwd(fwdFn, sig, info, ctx)
- }
- return true
- }
-
- flags := sigtable[sig].flags
-
- // If there is no handler to forward to, no need to forward.
- if fwdFn == _SIG_DFL {
- return false
- }
-
- // If we aren't handling the signal, forward it.
- if flags&_SigHandling == 0 {
- sigfwd(fwdFn, sig, info, ctx)
- return true
- }
-
- // Only forward synchronous signals.
- c := sigctxt{info, ctx}
- if c.sigcode() == _SI_USER || flags&_SigPanic == 0 {
- return false
- }
- // Determine if the signal occurred inside Go code. We test that:
- // (1) we were in a goroutine (i.e., m.curg != nil), and
- // (2) we weren't in CGO (i.e., m.curg.syscallsp == 0).
- g := getg()
- if g != nil && g.m != nil && g.m.curg != nil && g.m.curg.syscallsp == 0 {
- return false
- }
- // Signal not handled by Go, forward it.
- if fwdFn != _SIG_IGN {
- sigfwd(fwdFn, sig, info, ctx)
- }
- return true
-}