}
			}

			// Static linking tests
			if goos != "android" && p != "netbsd/arm" {
				// TODO(#56629): Why does this fail on netbsd-arm?
				cgoTest("static", "testtls", "external", "static", staticCheck)
			}
			cgoTest("external", "testnocgo", "external", "", staticCheck)
			if goos != "android" {

		case "darwin", "ios", "dragonfly", "freebsd", "netbsd", "openbsd":
			var st syscall.Stat_t
			err := ignoringEINTR(func() error {
				return syscall.Fstat(fd, &st)
			})
			typ := st.Mode & syscall.S_IFMT
			// Don't try to use kqueue with regular files on *BSDs.
			// On FreeBSD a regular file is always
			// reported as ready for writing.
			// On Dragonfly, NetBSD and OpenBSD the fd is signaled

// Copyright 2011 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 aix || darwin || netbsd || openbsd || plan9 || solaris || windows

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

// This implementation depends on OS-specific implementations of
//
//	func semacreate(mp *m)

	switch goos {
	case "linux":
		return goarch == "amd64" || goarch == "ppc64le" || goarch == "arm64" || goarch == "s390x"
	case "darwin":
		return goarch == "amd64" || goarch == "arm64"
	case "freebsd", "netbsd", "windows":
		return goarch == "amd64"
	default:
		return false
	}
}

// MSanSupported reports whether goos/goarch supports the memory
// sanitizer option.
func MSanSupported(goos, goarch string) bool {

import (
	"errors"
	"internal/itoa"
	"sync"
	"time"
	_ "unsafe"
)

// BUG(mikio): On JS, methods and functions related to
// Interface are not implemented.

// BUG(mikio): On AIX, DragonFly BSD, NetBSD, OpenBSD, Plan 9 and
// Solaris, the MulticastAddrs method of Interface is not implemented.

// errNoSuchInterface should be an internal detail,
// but widely used packages access it using linkname.

}

func TestTraceManyStartStop(t *testing.T) {
	testTraceProg(t, "many-start-stop.go", nil)
}

func TestTraceWaitOnPipe(t *testing.T) {
	switch runtime.GOOS {
	case "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "solaris":
		testTraceProg(t, "wait-on-pipe.go", nil)
		return
	}
	t.Skip("no applicable syscall.Pipe on " + runtime.GOOS)
}

func TestTraceIterPull(t *testing.T) {

	}

	if root.buildID != "" {
		// On systems that normally use gold or the GNU linker,
		// use the --build-id option to write a GNU build ID note.
		switch cfg.Goos {
		case "android", "dragonfly", "linux", "netbsd":
			ldflags = append(ldflags, fmt.Sprintf("-Wl,--build-id=0x%x", root.buildID))
		}
	}

	var rLibPath string
	if cfg.Goos == "aix" {
		rLibPath = "-Wl,-blibpath="
	} else {
		rLibPath = "-Wl,-rpath="

			// cause Go code to run again).
			//
			// However, netbsd has a kernel bug that sometimes
			// misses netpollBreak wake-ups, which can lead to
			// unbounded delays servicing timers. If we detect this
			// overrun, then startm to get something to handle the
			// timer.
			//
			// See issue 42515 and
			// https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=50094.

			// whenever mtime is set.
		case "netbsd":
			mounts, _ := ReadFile("/proc/mounts")
			if strings.Contains(string(mounts), "noatime") {
				t.Logf("AccessTime didn't go backwards, but see a filesystem mounted noatime; ignoring. Issue 19293.")
			} else {
				t.Logf("AccessTime didn't go backwards; was=%v, after=%v (Ignoring on NetBSD, assuming noatime, Issue 19293)", at, pat)
			}
		default:

		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