1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package syscall 6 7 const ( 8 _SYS_dup = SYS_DUP2 9 _SYS_setgroups = SYS_SETGROUPS 10 ) 11 12 //sys Dup2(oldfd int, newfd int) (err error) 13 //sys Fchown(fd int, uid int, gid int) (err error) 14 //sys Fstat(fd int, stat *Stat_t) (err error) 15 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 16 //sys Ftruncate(fd int, length int64) (err error) 17 //sysnb Getegid() (egid int) 18 //sysnb Geteuid() (euid int) 19 //sysnb Getgid() (gid int) 20 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 21 //sysnb Getuid() (uid int) 22 //sysnb InotifyInit() (fd int, err error) 23 //sys Ioperm(from int, num int, on int) (err error) 24 //sys Iopl(level int) (err error) 25 //sys Listen(s int, n int) (err error) 26 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 27 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 28 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 29 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) 30 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 31 //sys Setfsgid(gid int) (err error) 32 //sys Setfsuid(uid int) (err error) 33 //sysnb Setregid(rgid int, egid int) (err error) 34 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 35 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 36 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 37 //sysnb Setreuid(ruid int, euid int) (err error) 38 //sys Shutdown(fd int, how int) (err error) 39 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 40 //sys Statfs(path string, buf *Statfs_t) (err error) 41 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 42 //sys Truncate(path string, length int64) (err error) 43 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 44 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 45 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 46 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 47 //sys fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT 48 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 49 //sysnb setgroups(n int, list *_Gid_t) (err error) 50 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 51 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 52 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 53 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 54 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 55 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 56 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 57 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 58 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 59 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 60 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 61 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 62 63 func Stat(path string, stat *Stat_t) (err error) { 64 return fstatat(_AT_FDCWD, path, stat, 0) 65 } 66 67 func Lchown(path string, uid int, gid int) (err error) { 68 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) 69 } 70 71 func Lstat(path string, stat *Stat_t) (err error) { 72 return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) 73 } 74 75 //go:noescape 76 func gettimeofday(tv *Timeval) (err Errno) 77 78 func Gettimeofday(tv *Timeval) (err error) { 79 errno := gettimeofday(tv) 80 if errno != 0 { 81 return errno 82 } 83 return nil 84 } 85 86 func Time(t *Time_t) (tt Time_t, err error) { 87 var tv Timeval 88 errno := gettimeofday(&tv) 89 if errno != 0 { 90 return 0, errno 91 } 92 if t != nil { 93 *t = Time_t(tv.Sec) 94 } 95 return Time_t(tv.Sec), nil 96 } 97 98 func setTimespec(sec, nsec int64) Timespec { 99 return Timespec{Sec: sec, Nsec: nsec} 100 } 101 102 func setTimeval(sec, usec int64) Timeval { 103 return Timeval{Sec: sec, Usec: usec} 104 } 105 106 //sysnb pipe(p *[2]_C_int) (err error) 107 108 func Pipe(p []int) (err error) { 109 if len(p) != 2 { 110 return EINVAL 111 } 112 var pp [2]_C_int 113 err = pipe(&pp) 114 p[0] = int(pp[0]) 115 p[1] = int(pp[1]) 116 return 117 } 118 119 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 120 121 func Pipe2(p []int, flags int) (err error) { 122 if len(p) != 2 { 123 return EINVAL 124 } 125 var pp [2]_C_int 126 err = pipe2(&pp, flags) 127 p[0] = int(pp[0]) 128 p[1] = int(pp[1]) 129 return 130 } 131 132 func (r *PtraceRegs) PC() uint64 { return r.Rip } 133 134 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } 135 136 func (iov *Iovec) SetLen(length int) { 137 iov.Len = uint64(length) 138 } 139 140 func (msghdr *Msghdr) SetControllen(length int) { 141 msghdr.Controllen = uint64(length) 142 } 143 144 func (cmsg *Cmsghdr) SetLen(length int) { 145 cmsg.Len = uint64(length) 146 } 147 148 func rawVforkSyscall(trap, a1 uintptr) (r1 uintptr, err Errno) 149