diff options
author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
---|---|---|
committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/syscall/syscall_darwin_386.go | |
parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
download | golang-upstream/1.4.tar.gz |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/syscall/syscall_darwin_386.go')
-rw-r--r-- | src/syscall/syscall_darwin_386.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/syscall/syscall_darwin_386.go b/src/syscall/syscall_darwin_386.go new file mode 100644 index 000000000..2074e7ac2 --- /dev/null +++ b/src/syscall/syscall_darwin_386.go @@ -0,0 +1,70 @@ +// 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. + +package syscall + +import "unsafe" + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = int32(nsec / 1e9) + ts.Nsec = int32(nsec % 1e9) + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = int32(nsec % 1e9 / 1e3) + tv.Sec = int32(nsec / 1e9) + return +} + +//sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error) +func Gettimeofday(tv *Timeval) (err error) { + // The tv passed to gettimeofday must be non-nil + // but is otherwise unused. The answers come back + // in the two registers. + sec, usec, err := gettimeofday(tv) + tv.Sec = int32(sec) + tv.Usec = int32(usec) + return err +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint32(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var length = uint64(count) + + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0) + + written = int(length) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic |