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Source file src/runtime/cgo/linux.go

Documentation: runtime/cgo

     1  // Copyright 2019 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  // Linux system call wrappers that provide POSIX semantics through the
     6  // corresponding cgo->libc (nptl) wrappers for various system calls.
     7  
     8  //go:build linux
     9  
    10  package cgo
    11  
    12  import "unsafe"
    13  
    14  // Each of the following entries is needed to ensure that the
    15  // syscall.syscall_linux code can conditionally call these
    16  // function pointers:
    17  //
    18  //  1. find the C-defined function start
    19  //  2. force the local byte alias to be mapped to that location
    20  //  3. map the Go pointer to the function to the syscall package
    21  
    22  //go:cgo_import_static _cgo_libc_setegid
    23  //go:linkname _cgo_libc_setegid _cgo_libc_setegid
    24  //go:linkname cgo_libc_setegid syscall.cgo_libc_setegid
    25  var _cgo_libc_setegid byte
    26  var cgo_libc_setegid = unsafe.Pointer(&_cgo_libc_setegid)
    27  
    28  //go:cgo_import_static _cgo_libc_seteuid
    29  //go:linkname _cgo_libc_seteuid _cgo_libc_seteuid
    30  //go:linkname cgo_libc_seteuid syscall.cgo_libc_seteuid
    31  var _cgo_libc_seteuid byte
    32  var cgo_libc_seteuid = unsafe.Pointer(&_cgo_libc_seteuid)
    33  
    34  //go:cgo_import_static _cgo_libc_setregid
    35  //go:linkname _cgo_libc_setregid _cgo_libc_setregid
    36  //go:linkname cgo_libc_setregid syscall.cgo_libc_setregid
    37  var _cgo_libc_setregid byte
    38  var cgo_libc_setregid = unsafe.Pointer(&_cgo_libc_setregid)
    39  
    40  //go:cgo_import_static _cgo_libc_setresgid
    41  //go:linkname _cgo_libc_setresgid _cgo_libc_setresgid
    42  //go:linkname cgo_libc_setresgid syscall.cgo_libc_setresgid
    43  var _cgo_libc_setresgid byte
    44  var cgo_libc_setresgid = unsafe.Pointer(&_cgo_libc_setresgid)
    45  
    46  //go:cgo_import_static _cgo_libc_setresuid
    47  //go:linkname _cgo_libc_setresuid _cgo_libc_setresuid
    48  //go:linkname cgo_libc_setresuid syscall.cgo_libc_setresuid
    49  var _cgo_libc_setresuid byte
    50  var cgo_libc_setresuid = unsafe.Pointer(&_cgo_libc_setresuid)
    51  
    52  //go:cgo_import_static _cgo_libc_setreuid
    53  //go:linkname _cgo_libc_setreuid _cgo_libc_setreuid
    54  //go:linkname cgo_libc_setreuid syscall.cgo_libc_setreuid
    55  var _cgo_libc_setreuid byte
    56  var cgo_libc_setreuid = unsafe.Pointer(&_cgo_libc_setreuid)
    57  
    58  //go:cgo_import_static _cgo_libc_setgroups
    59  //go:linkname _cgo_libc_setgroups _cgo_libc_setgroups
    60  //go:linkname cgo_libc_setgroups syscall.cgo_libc_setgroups
    61  var _cgo_libc_setgroups byte
    62  var cgo_libc_setgroups = unsafe.Pointer(&_cgo_libc_setgroups)
    63  
    64  //go:cgo_import_static _cgo_libc_setgid
    65  //go:linkname _cgo_libc_setgid _cgo_libc_setgid
    66  //go:linkname cgo_libc_setgid syscall.cgo_libc_setgid
    67  var _cgo_libc_setgid byte
    68  var cgo_libc_setgid = unsafe.Pointer(&_cgo_libc_setgid)
    69  
    70  //go:cgo_import_static _cgo_libc_setuid
    71  //go:linkname _cgo_libc_setuid _cgo_libc_setuid
    72  //go:linkname cgo_libc_setuid syscall.cgo_libc_setuid
    73  var _cgo_libc_setuid byte
    74  var cgo_libc_setuid = unsafe.Pointer(&_cgo_libc_setuid)
    75  

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