Source file src/runtime/os_freebsd2.go

     1  // Copyright 2011 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 freebsd && !amd64
     6  
     7  package runtime
     8  
     9  import "internal/abi"
    10  
    11  //go:nosplit
    12  //go:nowritebarrierrec
    13  func setsig(i uint32, fn uintptr) {
    14  	var sa sigactiont
    15  	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
    16  	sa.sa_mask = sigset_all
    17  	if fn == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go
    18  		fn = abi.FuncPCABI0(sigtramp)
    19  	}
    20  	sa.sa_handler = fn
    21  	sigaction(i, &sa, nil)
    22  }
    23  

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