github.com/gidoBOSSftw5731/go/src@v0.0.0-20210226122457-d24b0edbf019/runtime/cgo/sigaction.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build (linux && amd64) || (freebsd && amd64) || (linux && arm64)
     6  // +build linux,amd64 freebsd,amd64 linux,arm64
     7  
     8  package cgo
     9  
    10  // Import "unsafe" because we use go:linkname.
    11  import _ "unsafe"
    12  
    13  // When using cgo, call the C library for sigaction, so that we call into
    14  // any sanitizer interceptors. This supports using the memory
    15  // sanitizer with Go programs. The memory sanitizer only applies to
    16  // C/C++ code; this permits that code to see the Go runtime's existing signal
    17  // handlers when registering new signal handlers for the process.
    18  
    19  //go:cgo_import_static x_cgo_sigaction
    20  //go:linkname x_cgo_sigaction x_cgo_sigaction
    21  //go:linkname _cgo_sigaction _cgo_sigaction
    22  var x_cgo_sigaction byte
    23  var _cgo_sigaction = &x_cgo_sigaction