mirror of
https://github.com/golang/sys.git
synced 2026-02-08 11:46:04 +03:00
dc3c21c62b
If we use a local type, it won't compare properly with errors from the rest of the standard library. Errors are the one type from syscall that propagates through the system, so it's important to have only one type for them. Ditto for syscall.Signal. LGTM=dave R=rsc, dave CC=golang-codereviews https://golang.org/cl/123490043
117 lines
4.4 KiB
Go
117 lines
4.4 KiB
Go
// 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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package unix
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import "syscall"
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//sys Chown(path string, uid int, gid int) (err error)
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//sys Fchown(fd int, uid int, gid int) (err error)
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//sys Fstat(fd int, stat *Stat_t) (err error)
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//sys Fstatfs(fd int, buf *Statfs_t) (err error)
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//sys Ftruncate(fd int, length int64) (err error)
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//sysnb Getegid() (egid int)
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//sysnb Geteuid() (euid int)
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//sysnb Getgid() (gid int)
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//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
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//sysnb Getuid() (uid int)
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//sys Ioperm(from int, num int, on int) (err error)
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//sys Iopl(level int) (err error)
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//sys Lchown(path string, uid int, gid int) (err error)
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//sys Listen(s int, n int) (err error)
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//sys Lstat(path string, stat *Stat_t) (err error)
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//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
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//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
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//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
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//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
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//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
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//sys Setfsgid(gid int) (err error)
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//sys Setfsuid(uid int) (err error)
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//sysnb Setregid(rgid int, egid int) (err error)
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//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
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//sysnb Setresuid(ruid int, euid int, suid int) (err error)
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//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
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//sysnb Setreuid(ruid int, euid int) (err error)
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//sys Shutdown(fd int, how int) (err error)
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//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
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//sys Stat(path string, stat *Stat_t) (err error)
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//sys Statfs(path string, buf *Statfs_t) (err error)
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//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
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//sys Truncate(path string, length int64) (err error)
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//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
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//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
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//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
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//sysnb setgroups(n int, list *_Gid_t) (err error)
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//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
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//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
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//sysnb socket(domain int, typ int, proto int) (fd int, err error)
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//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
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//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
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//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
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//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
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func Getpagesize() int { return 4096 }
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//go:noescape
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func gettimeofday(tv *Timeval) (err syscall.Errno)
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func Gettimeofday(tv *Timeval) (err error) {
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errno := gettimeofday(tv)
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if errno != 0 {
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return errno
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}
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return nil
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}
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func Time(t *Time_t) (tt Time_t, err error) {
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var tv Timeval
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errno := gettimeofday(&tv)
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if errno != 0 {
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return 0, errno
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}
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if t != nil {
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*t = Time_t(tv.Sec)
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}
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return Time_t(tv.Sec), nil
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}
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func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
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func NsecToTimespec(nsec int64) (ts Timespec) {
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ts.Sec = nsec / 1e9
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ts.Nsec = nsec % 1e9
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return
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}
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func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
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func NsecToTimeval(nsec int64) (tv Timeval) {
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nsec += 999 // round up to microsecond
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tv.Sec = nsec / 1e9
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tv.Usec = nsec % 1e9 / 1e3
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return
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}
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func (r *PtraceRegs) PC() uint64 { return r.Rip }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc }
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint64(length)
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}
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint64(length)
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}
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint64(length)
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}
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