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1 // Copyright 2009 The Go Authors. All rights reserved. |
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2 // Use of this source code is governed by a BSD-style |
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3 // license that can be found in the LICENSE file. |
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4 |
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5 // +build amd64,linux |
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6 |
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7 package unix |
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8 |
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9 //sys Dup2(oldfd int, newfd int) (err error) |
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10 //sysnb EpollCreate(size int) (fd int, err error) |
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11 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) |
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12 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 |
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13 //sys Fchown(fd int, uid int, gid int) (err error) |
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14 //sys Fstat(fd int, stat *Stat_t) (err error) |
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15 //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT |
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16 //sys Fstatfs(fd int, buf *Statfs_t) (err error) |
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17 //sys Ftruncate(fd int, length int64) (err error) |
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18 //sysnb Getegid() (egid int) |
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19 //sysnb Geteuid() (euid int) |
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20 //sysnb Getgid() (gid int) |
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21 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) |
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22 //sysnb Getuid() (uid int) |
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23 //sysnb InotifyInit() (fd int, err error) |
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24 //sys Ioperm(from int, num int, on int) (err error) |
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25 //sys Iopl(level int) (err error) |
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26 //sys Lchown(path string, uid int, gid int) (err error) |
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27 //sys Listen(s int, n int) (err error) |
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28 //sys Lstat(path string, stat *Stat_t) (err error) |
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29 //sys Pause() (err error) |
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30 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 |
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31 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 |
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32 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
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33 |
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34 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { |
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35 var ts *Timespec |
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36 if timeout != nil { |
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37 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} |
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38 } |
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39 return Pselect(nfd, r, w, e, ts, nil) |
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40 } |
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41 |
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42 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) |
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43 //sys Setfsgid(gid int) (err error) |
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44 //sys Setfsuid(uid int) (err error) |
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45 //sysnb Setregid(rgid int, egid int) (err error) |
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46 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) |
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47 //sysnb Setresuid(ruid int, euid int, suid int) (err error) |
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48 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) |
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49 //sysnb Setreuid(ruid int, euid int) (err error) |
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50 //sys Shutdown(fd int, how int) (err error) |
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51 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) |
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52 |
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53 func Stat(path string, stat *Stat_t) (err error) { |
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54 // Use fstatat, because Android's seccomp policy blocks stat. |
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55 return Fstatat(AT_FDCWD, path, stat, 0) |
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56 } |
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57 |
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58 //sys Statfs(path string, buf *Statfs_t) (err error) |
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59 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) |
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60 //sys Truncate(path string, length int64) (err error) |
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61 //sys Ustat(dev int, ubuf *Ustat_t) (err error) |
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62 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
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63 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) |
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64 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
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65 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
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66 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
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67 //sysnb setgroups(n int, list *_Gid_t) (err error) |
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68 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) |
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69 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) |
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70 //sysnb socket(domain int, typ int, proto int) (fd int, err error) |
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71 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) |
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72 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
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73 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
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74 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) |
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75 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) |
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76 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) |
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77 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) |
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78 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) |
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79 |
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80 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) |
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81 |
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82 func Gettimeofday(tv *Timeval) (err error) { |
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83 errno := gettimeofday(tv) |
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84 if errno != 0 { |
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85 return errno |
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86 } |
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87 return nil |
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88 } |
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89 |
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90 func Time(t *Time_t) (tt Time_t, err error) { |
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91 var tv Timeval |
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92 errno := gettimeofday(&tv) |
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93 if errno != 0 { |
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94 return 0, errno |
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95 } |
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96 if t != nil { |
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97 *t = Time_t(tv.Sec) |
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98 } |
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99 return Time_t(tv.Sec), nil |
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100 } |
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101 |
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102 //sys Utime(path string, buf *Utimbuf) (err error) |
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103 //sys utimes(path string, times *[2]Timeval) (err error) |
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104 |
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105 func setTimespec(sec, nsec int64) Timespec { |
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106 return Timespec{Sec: sec, Nsec: nsec} |
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107 } |
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108 |
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109 func setTimeval(sec, usec int64) Timeval { |
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110 return Timeval{Sec: sec, Usec: usec} |
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111 } |
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112 |
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113 //sysnb pipe(p *[2]_C_int) (err error) |
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114 |
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115 func Pipe(p []int) (err error) { |
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116 if len(p) != 2 { |
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117 return EINVAL |
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118 } |
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119 var pp [2]_C_int |
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120 err = pipe(&pp) |
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121 p[0] = int(pp[0]) |
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122 p[1] = int(pp[1]) |
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123 return |
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124 } |
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125 |
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126 //sysnb pipe2(p *[2]_C_int, flags int) (err error) |
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127 |
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128 func Pipe2(p []int, flags int) (err error) { |
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129 if len(p) != 2 { |
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130 return EINVAL |
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131 } |
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132 var pp [2]_C_int |
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133 err = pipe2(&pp, flags) |
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134 p[0] = int(pp[0]) |
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135 p[1] = int(pp[1]) |
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136 return |
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137 } |
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138 |
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139 func (r *PtraceRegs) PC() uint64 { return r.Rip } |
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140 |
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141 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } |
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142 |
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143 func (iov *Iovec) SetLen(length int) { |
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144 iov.Len = uint64(length) |
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145 } |
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146 |
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147 func (msghdr *Msghdr) SetControllen(length int) { |
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148 msghdr.Controllen = uint64(length) |
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149 } |
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150 |
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151 func (cmsg *Cmsghdr) SetLen(length int) { |
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152 cmsg.Len = uint64(length) |
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153 } |
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154 |
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155 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) |
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156 |
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157 func Poll(fds []PollFd, timeout int) (n int, err error) { |
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158 if len(fds) == 0 { |
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159 return poll(nil, 0, timeout) |
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160 } |
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161 return poll(&fds[0], len(fds), timeout) |
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162 } |