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// 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 NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Sec = int32(nsec / 1e9)
tv.Usec = int32(nsec % 1e9 / 1e3)
return
}
// Pread and Pwrite are special: they insert padding before the int64.
// (Ftruncate and truncate are not; go figure.)
func Pread(fd int, p []byte, offset int64) (n int, errno int) {
var _p0 unsafe.Pointer
if len(p) > 0 {
_p0 = unsafe.Pointer(&p[0])
}
r0, _, e1 := Syscall6(SYS_PREAD64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
n = int(r0)
errno = int(e1)
return
}
func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
var _p0 unsafe.Pointer
if len(p) > 0 {
_p0 = unsafe.Pointer(&p[0])
}
r0, _, e1 := Syscall6(SYS_PWRITE64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
n = int(r0)
errno = int(e1)
return
}
// Seek is defined in assembly.
func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
//sys bind(s int, addr uintptr, addrlen _Socklen) (errno int)
//sys connect(s int, addr uintptr, addrlen _Socklen) (errno int)
//sys getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
//sys setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
//sys setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
//sys socket(domain int, typ int, proto int) (fd int, errno int)
//sys getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
//sys getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int)
//sys sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int)
//sys socketpair(domain int, typ int, flags int, fd *[2]int) (errno int)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, errno int)
//sys sendmsg(s int, msg *Msghdr, flags int) (errno int)
//sys Chown(path string, uid int, gid int) (errno int)
//sys Fchown(fd int, uid int, gid int) (errno int)
//sys Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64
//sys Fstatfs(fd int, buf *Statfs_t) (errno int) = SYS_FSTATFS64
//sys Ftruncate(fd int, length int64) (errno int) = SYS_FTRUNCATE64
//sys Getegid() (egid int)
//sys Geteuid() (euid int)
//sys Getgid() (gid int)
//sys Getuid() (uid int)
//sys Lchown(path string, uid int, gid int) (errno int)
//sys Listen(s int, n int) (errno int)
//sys Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
//sys Setfsgid(gid int) (errno int)
//sys Setfsuid(uid int) (errno int)
//sys Setgid(gid int) (errno int)
//sys Setregid(rgid int, egid int) (errno int)
//sys Setresgid(rgid int, egid int, sgid int) (errno int)
//sys Setresuid(ruid int, euid int, suid int) (errno int)
//sys Setreuid(ruid int, euid int) (errno int)
//sys Shutdown(fd int, how int) (errno int)
//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, errno int)
//sys Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64
//sys Statfs(path string, buf *Statfs_t) (errno int) = SYS_STATFS64
//sys Truncate(path string, length int64) (errno int) = SYS_TRUNCATE64
// Vsyscalls on amd64.
//sys Gettimeofday(tv *Timeval) (errno int)
//sys Time(t *Time_t) (tt Time_t, errno int)
// TODO(kaib): add support for tracing
func (r *PtraceRegs) PC() uint64 { return 0 }
func (r *PtraceRegs) SetPC(pc uint64) {}
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)
}
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