gcc-7.1.0gcc-7.1.0

1 files changed, 0 insertions, 69 deletions

diff --git a/libgo/go/runtime/signal2_unix.go b/libgo/go/runtime/signal2_unix.go
deleted file mode 100644
index 3fe625f83c..0000000000
--- a/libgo/go/runtime/signal2_unix.go
+++ /dev/null
@@ -1,69 +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
-
-package runtime
-
-import "unsafe"
-
-//go:noescape
-func sigfwd(fn uintptr, sig uint32, info *siginfo, ctx unsafe.Pointer)
-
-// 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, 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
-}