diff options
author | Unknwon <u@gogs.io> | 2019-10-23 23:03:17 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-10-23 23:03:17 -0700 |
commit | 613139e7bef81d3573e7988a47eb6765f3de347a (patch) | |
tree | 49de7277898d3ff47a122c072568edb8ed4c9ac9 /vendor/golang.org/x/sys/unix/syscall_unix.go | |
parent | fb100dbf98f02e4c631d142ff0f52ec29ee2f00c (diff) |
Enable Go modules (#5835)
* Remove vendor
* Enable Go modules
* ci: add command to fetch dependencies
* ci: update setting
* ci: update settings
* Require Go 1.11
* Rename module name to gogs.io/gogs
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_unix.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_unix.go | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix.go b/vendor/golang.org/x/sys/unix/syscall_unix.go deleted file mode 100644 index b46b2502..00000000 --- a/vendor/golang.org/x/sys/unix/syscall_unix.go +++ /dev/null @@ -1,297 +0,0 @@ -// 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. - -// +build darwin dragonfly freebsd linux netbsd openbsd solaris - -package unix - -import ( - "runtime" - "sync" - "syscall" - "unsafe" -) - -var ( - Stdin = 0 - Stdout = 1 - Stderr = 2 -) - -const ( - darwin64Bit = runtime.GOOS == "darwin" && sizeofPtr == 8 - dragonfly64Bit = runtime.GOOS == "dragonfly" && sizeofPtr == 8 - netbsd32Bit = runtime.GOOS == "netbsd" && sizeofPtr == 4 -) - -// Do the interface allocations only once for common -// Errno values. -var ( - errEAGAIN error = syscall.EAGAIN - errEINVAL error = syscall.EINVAL - errENOENT error = syscall.ENOENT -) - -// errnoErr returns common boxed Errno values, to prevent -// allocations at runtime. -func errnoErr(e syscall.Errno) error { - switch e { - case 0: - return nil - case EAGAIN: - return errEAGAIN - case EINVAL: - return errEINVAL - case ENOENT: - return errENOENT - } - return e -} - -func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) -func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) -func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) -func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) - -// Mmap manager, for use by operating system-specific implementations. - -type mmapper struct { - sync.Mutex - active map[*byte][]byte // active mappings; key is last byte in mapping - mmap func(addr, length uintptr, prot, flags, fd int, offset int64) (uintptr, error) - munmap func(addr uintptr, length uintptr) error -} - -func (m *mmapper) Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { - if length <= 0 { - return nil, EINVAL - } - - // Map the requested memory. - addr, errno := m.mmap(0, uintptr(length), prot, flags, fd, offset) - if errno != nil { - return nil, errno - } - - // Slice memory layout - var sl = struct { - addr uintptr - len int - cap int - }{addr, length, length} - - // Use unsafe to turn sl into a []byte. - b := *(*[]byte)(unsafe.Pointer(&sl)) - - // Register mapping in m and return it. - p := &b[cap(b)-1] - m.Lock() - defer m.Unlock() - m.active[p] = b - return b, nil -} - -func (m *mmapper) Munmap(data []byte) (err error) { - if len(data) == 0 || len(data) != cap(data) { - return EINVAL - } - - // Find the base of the mapping. - p := &data[cap(data)-1] - m.Lock() - defer m.Unlock() - b := m.active[p] - if b == nil || &b[0] != &data[0] { - return EINVAL - } - - // Unmap the memory and update m. - if errno := m.munmap(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b))); errno != nil { - return errno - } - delete(m.active, p) - return nil -} - -func Read(fd int, p []byte) (n int, err error) { - n, err = read(fd, p) - if raceenabled { - if n > 0 { - raceWriteRange(unsafe.Pointer(&p[0]), n) - } - if err == nil { - raceAcquire(unsafe.Pointer(&ioSync)) - } - } - return -} - -func Write(fd int, p []byte) (n int, err error) { - if raceenabled { - raceReleaseMerge(unsafe.Pointer(&ioSync)) - } - n, err = write(fd, p) - if raceenabled && n > 0 { - raceReadRange(unsafe.Pointer(&p[0]), n) - } - return -} - -// For testing: clients can set this flag to force -// creation of IPv6 sockets to return EAFNOSUPPORT. -var SocketDisableIPv6 bool - -type Sockaddr interface { - sockaddr() (ptr unsafe.Pointer, len _Socklen, err error) // lowercase; only we can define Sockaddrs -} - -type SockaddrInet4 struct { - Port int - Addr [4]byte - raw RawSockaddrInet4 -} - -type SockaddrInet6 struct { - Port int - ZoneId uint32 - Addr [16]byte - raw RawSockaddrInet6 -} - -type SockaddrUnix struct { - Name string - raw RawSockaddrUnix -} - -func Bind(fd int, sa Sockaddr) (err error) { - ptr, n, err := sa.sockaddr() - if err != nil { - return err - } - return bind(fd, ptr, n) -} - -func Connect(fd int, sa Sockaddr) (err error) { - ptr, n, err := sa.sockaddr() - if err != nil { - return err - } - return connect(fd, ptr, n) -} - -func Getpeername(fd int) (sa Sockaddr, err error) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if err = getpeername(fd, &rsa, &len); err != nil { - return - } - return anyToSockaddr(&rsa) -} - -func GetsockoptInt(fd, level, opt int) (value int, err error) { - var n int32 - vallen := _Socklen(4) - err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen) - return int(n), err -} - -func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil { - return - } - if rsa.Addr.Family != AF_UNSPEC { - from, err = anyToSockaddr(&rsa) - } - return -} - -func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) { - ptr, n, err := to.sockaddr() - if err != nil { - return err - } - return sendto(fd, p, flags, ptr, n) -} - -func SetsockoptByte(fd, level, opt int, value byte) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(&value), 1) -} - -func SetsockoptInt(fd, level, opt int, value int) (err error) { - var n = int32(value) - return setsockopt(fd, level, opt, unsafe.Pointer(&n), 4) -} - -func SetsockoptInet4Addr(fd, level, opt int, value [4]byte) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(&value[0]), 4) -} - -func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPMreq) -} - -func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPv6Mreq) -} - -func SetsockoptICMPv6Filter(fd, level, opt int, filter *ICMPv6Filter) error { - return setsockopt(fd, level, opt, unsafe.Pointer(filter), SizeofICMPv6Filter) -} - -func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(l), SizeofLinger) -} - -func SetsockoptString(fd, level, opt int, s string) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(&[]byte(s)[0]), uintptr(len(s))) -} - -func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv)) -} - -func Socket(domain, typ, proto int) (fd int, err error) { - if domain == AF_INET6 && SocketDisableIPv6 { - return -1, EAFNOSUPPORT - } - fd, err = socket(domain, typ, proto) - return -} - -func Socketpair(domain, typ, proto int) (fd [2]int, err error) { - var fdx [2]int32 - err = socketpair(domain, typ, proto, &fdx) - if err == nil { - fd[0] = int(fdx[0]) - fd[1] = int(fdx[1]) - } - return -} - -func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { - if raceenabled { - raceReleaseMerge(unsafe.Pointer(&ioSync)) - } - return sendfile(outfd, infd, offset, count) -} - -var ioSync int64 - -func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) } - -func SetNonblock(fd int, nonblocking bool) (err error) { - flag, err := fcntl(fd, F_GETFL, 0) - if err != nil { - return err - } - if nonblocking { - flag |= O_NONBLOCK - } else { - flag &= ^O_NONBLOCK - } - _, err = fcntl(fd, F_SETFL, flag) - return err -} |