// Copyright 2009 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.

//go:build darwin || dragonfly || freebsd || netbsd || openbsd

// BSD system call wrappers shared by *BSD based systems
// including OS X (Darwin) and FreeBSD.  Like the other
// syscall_*.go files it is compiled as Go code but also
// used as input to mksyscall which parses the //sys

		return fmt.Errorf("got %v; want a proper address with non-zero port number", la)
	}
	return nil
}

func multicastRIBContains(ip IP) (bool, error) {
	switch runtime.GOOS {
	case "aix", "dragonfly", "netbsd", "openbsd", "plan9", "solaris", "illumos", "windows":
		return true, nil // not implemented yet
	case "linux":
		if runtime.GOARCH == "arm" || runtime.GOARCH == "alpha" {
			return true, nil // not implemented yet
		}

		cc = append(cc, "-pie")
	}
	libgodir := GOOS + "_" + GOARCH
	switch GOOS {
	case "darwin", "ios":
		if GOARCH == "arm64" {
			libgodir += "_shared"
		}
	case "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "solaris", "illumos":
		libgodir += "_shared"
	}
	cc = append(cc, "-I", filepath.Join("pkg", libgodir))

	// Force reallocation (and avoid aliasing bugs) for parallel tests that append to cc.

// mksysnum_netbsd.pl
// Code generated by the command above; DO NOT EDIT.

//go:build arm64 && netbsd

package syscall

const (
	SYS_EXIT                 = 1   // { void|sys||exit(int rval); }
	SYS_FORK                 = 2   // { int|sys||fork(void); }
	SYS_READ                 = 3   // { ssize_t|sys||read(int fd, void *buf, size_t nbyte); }
	SYS_WRITE                = 4   // { ssize_t|sys||write(int fd, const void *buf, size_t nbyte); }

// mksysnum_netbsd.pl
// Code generated by the command above; DO NOT EDIT.

//go:build 386 && netbsd

package syscall

const (
	SYS_EXIT                 = 1   // { void|sys||exit(int rval); }
	SYS_FORK                 = 2   // { int|sys||fork(void); }
	SYS_READ                 = 3   // { ssize_t|sys||read(int fd, void *buf, size_t nbyte); }
	SYS_WRITE                = 4   // { ssize_t|sys||write(int fd, const void *buf, size_t nbyte); }

// mksysnum_netbsd.pl
// Code generated by the command above; DO NOT EDIT.

//go:build amd64 && netbsd

package syscall

const (
	SYS_EXIT                 = 1   // { void|sys||exit(int rval); }
	SYS_FORK                 = 2   // { int|sys||fork(void); }
	SYS_READ                 = 3   // { ssize_t|sys||read(int fd, void *buf, size_t nbyte); }
	SYS_WRITE                = 4   // { ssize_t|sys||write(int fd, const void *buf, size_t nbyte); }

// mksysnum_netbsd.pl
// Code generated by the command above; DO NOT EDIT.

//go:build arm && netbsd

package syscall

const (
	SYS_EXIT                 = 1   // { void|sys||exit(int rval); }
	SYS_FORK                 = 2   // { int|sys||fork(void); }
	SYS_READ                 = 3   // { ssize_t|sys||read(int fd, void *buf, size_t nbyte); }
	SYS_WRITE                = 4   // { ssize_t|sys||write(int fd, const void *buf, size_t nbyte); }

		time.Sleep(1 * time.Millisecond)
		// trigger GC which will shrink the stack of the sender.
		runtime.GC()
	}
	<-done
}

func TestNoShrinkStackWhileParking(t *testing.T) {
	if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
		testenv.SkipFlaky(t, 49382)
	}
	if runtime.GOOS == "openbsd" {
		testenv.SkipFlaky(t, 51482)
	}

	// The goal of this test is to trigger a "racy sudog adjustment"

		libbase = "gccgo_" + libgodir + "_fPIC"
	} else {
		switch GOOS {
		case "darwin", "ios":
			if GOARCH == "arm64" {
				libbase += "_shared"
			}
		case "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "solaris", "illumos":
			libbase += "_shared"
		}
	}
	libgodir = filepath.Join(GOPATH, "pkg", libbase, "testcarchive")
	cc = append(cc, "-I", libgodir)

		GOINSECURE does not disable checksum database validation. GOPRIVATE or
		GONOSUMDB may be used to achieve that.
	GOOS
		The operating system for which to compile code.
		Examples are linux, darwin, windows, netbsd.
	GOPATH
		Controls where various files are stored. See: 'go help gopath'.
	GOPROXY
		URL of Go module proxy. See https://golang.org/ref/mod#environment-variables