close(waitc)
	}()
	ret := <-forkc
	return ret.pid, ret.err
}

// Combination of fork and exec, careful to be thread safe.
func ForkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error) {
	return startProcess(argv0, argv, attr)
}

// StartProcess wraps [ForkExec] for package os.
func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {

}

func TestForkExec(t *testing.T) {
	// Issue 38824: importing the plugin package causes it hang in forkExec on darwin.
	globalSkip(t)

	t.Parallel()
	goCmd(t, "build", "-o", "forkexec.exe", "./forkexec/main.go")

	for i := 0; i < 100; i++ {
		cmd := testenv.Command(t, "./forkexec.exe", "1")
		err := cmd.Run()
		if err != nil {
			if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {

# 	func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
#
# The first and second are the standard ones; they differ only in
# how many arguments can be passed to the kernel.
# The third is for low-level use by the ForkExec wrapper;
# unlike the first two, it does not call into the scheduler to
# let it know that a system call is running.
#
# * syscall_${GOOS}.go
#
# This hand-written Go file implements system calls that need