github.com/maenmax/kairep@v0.0.0-20210218001208-55bf3df36788/src/golang.org/x/sys/unix/syscall_linux_amd64.go (about) 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 // +build amd64,linux 6 7 package unix 8 9 import "syscall" 10 11 //sys Dup2(oldfd int, newfd int) (err error) 12 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 13 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 14 //sys Fchown(fd int, uid int, gid int) (err error) 15 //sys Fstat(fd int, stat *Stat_t) (err error) 16 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 17 //sys Ftruncate(fd int, length int64) (err error) 18 //sysnb Getegid() (egid int) 19 //sysnb Geteuid() (euid int) 20 //sysnb Getgid() (gid int) 21 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 22 //sysnb Getuid() (uid int) 23 //sysnb InotifyInit() (fd int, err error) 24 //sys Ioperm(from int, num int, on int) (err error) 25 //sys Iopl(level int) (err error) 26 //sys Lchown(path string, uid int, gid int) (err error) 27 //sys Listen(s int, n int) (err error) 28 //sys Lstat(path string, stat *Stat_t) (err error) 29 //sys Pause() (err error) 30 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 31 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 32 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 33 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) 34 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 35 //sys Setfsgid(gid int) (err error) 36 //sys Setfsuid(uid int) (err error) 37 //sysnb Setregid(rgid int, egid int) (err error) 38 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 39 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 40 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 41 //sysnb Setreuid(ruid int, euid int) (err error) 42 //sys Shutdown(fd int, how int) (err error) 43 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 44 //sys Stat(path string, stat *Stat_t) (err error) 45 //sys Statfs(path string, buf *Statfs_t) (err error) 46 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 47 //sys Truncate(path string, length int64) (err error) 48 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 49 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 50 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 51 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 52 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 53 //sysnb setgroups(n int, list *_Gid_t) (err error) 54 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 55 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 56 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 57 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 58 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 59 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 60 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 61 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 62 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 63 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 64 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 65 66 //go:noescape 67 func gettimeofday(tv *Timeval) (err syscall.Errno) 68 69 func Gettimeofday(tv *Timeval) (err error) { 70 errno := gettimeofday(tv) 71 if errno != 0 { 72 return errno 73 } 74 return nil 75 } 76 77 func Getpagesize() int { return 4096 } 78 79 func Time(t *Time_t) (tt Time_t, err error) { 80 var tv Timeval 81 errno := gettimeofday(&tv) 82 if errno != 0 { 83 return 0, errno 84 } 85 if t != nil { 86 *t = Time_t(tv.Sec) 87 } 88 return Time_t(tv.Sec), nil 89 } 90 91 //sys Utime(path string, buf *Utimbuf) (err error) 92 93 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 94 95 func NsecToTimespec(nsec int64) (ts Timespec) { 96 ts.Sec = nsec / 1e9 97 ts.Nsec = nsec % 1e9 98 return 99 } 100 101 func NsecToTimeval(nsec int64) (tv Timeval) { 102 nsec += 999 // round up to microsecond 103 tv.Sec = nsec / 1e9 104 tv.Usec = nsec % 1e9 / 1e3 105 return 106 } 107 108 //sysnb pipe(p *[2]_C_int) (err error) 109 110 func Pipe(p []int) (err error) { 111 if len(p) != 2 { 112 return EINVAL 113 } 114 var pp [2]_C_int 115 err = pipe(&pp) 116 p[0] = int(pp[0]) 117 p[1] = int(pp[1]) 118 return 119 } 120 121 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 122 123 func Pipe2(p []int, flags int) (err error) { 124 if len(p) != 2 { 125 return EINVAL 126 } 127 var pp [2]_C_int 128 err = pipe2(&pp, flags) 129 p[0] = int(pp[0]) 130 p[1] = int(pp[1]) 131 return 132 } 133 134 func (r *PtraceRegs) PC() uint64 { return r.Rip } 135 136 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } 137 138 func (iov *Iovec) SetLen(length int) { 139 iov.Len = uint64(length) 140 } 141 142 func (msghdr *Msghdr) SetControllen(length int) { 143 msghdr.Controllen = uint64(length) 144 } 145 146 func (cmsg *Cmsghdr) SetLen(length int) { 147 cmsg.Len = uint64(length) 148 } 149 150 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) 151 152 func Poll(fds []PollFd, timeout int) (n int, err error) { 153 if len(fds) == 0 { 154 return poll(nil, 0, timeout) 155 } 156 return poll(&fds[0], len(fds), timeout) 157 }