golang syscall_linux_gc 代码
文件路径：/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux_gc.go
/ Copyright 2018 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 linux && gc
/ +build linux,gc
package unix
/ SyscallNoError may be used instead of Syscall for syscalls that don't fail.
func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
/ RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
/ fail.
func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)