author | Mikael Berthe <mikael@lilotux.net> |
Sun, 16 Feb 2020 18:54:01 +0100 | |
changeset 251 | 1c52a0eeb952 |
parent 242 | 2a9ec03fe5a1 |
child 256 | 6d9efbef00a9 |
permissions | -rw-r--r-- |
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// Copyright 2009 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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// +build 386,freebsd |
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package unix |
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import ( |
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"syscall" |
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"unsafe" |
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) |
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func setTimespec(sec, nsec int64) Timespec { |
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return Timespec{Sec: int32(sec), Nsec: int32(nsec)} |
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} |
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func setTimeval(sec, usec int64) Timeval { |
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return Timeval{Sec: int32(sec), Usec: int32(usec)} |
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} |
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func SetKevent(k *Kevent_t, fd, mode, flags int) { |
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k.Ident = uint32(fd) |
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k.Filter = int16(mode) |
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k.Flags = uint16(flags) |
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} |
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func (iov *Iovec) SetLen(length int) { |
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iov.Len = uint32(length) |
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} |
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func (msghdr *Msghdr) SetControllen(length int) { |
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msghdr.Controllen = uint32(length) |
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} |
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func (msghdr *Msghdr) SetIovlen(length int) { |
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msghdr.Iovlen = int32(length) |
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} |
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func (cmsg *Cmsghdr) SetLen(length int) { |
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cmsg.Len = uint32(length) |
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} |
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func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
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var writtenOut uint64 = 0 |
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_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0) |
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written = int(writtenOut) |
2a9ec03fe5a1
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if e1 != 0 { |
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err = e1 |
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} |
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return |
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} |
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func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |
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func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) { |
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ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint32(countin)} |
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err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0) |
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return int(ioDesc.Len), err |
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} |