Remove dead code from sys::windows::c

This commit is contained in:
Paul Dicker 2016-02-20 08:18:02 +01:00
parent 44e31b91ad
commit 0a6f35b317
4 changed files with 36 additions and 210 deletions

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@ -22,7 +22,7 @@
//! copy of that function in my mingw install (maybe it was broken?). Instead,
//! this takes the route of using StackWalk64 in order to walk the stack.
#![allow(dead_code, deprecated)]
#![allow(deprecated)] // dynamic_lib
use io::prelude::*;
@ -51,12 +51,6 @@ mod printing;
#[path = "printing/gnu.rs"]
mod printing;
type SymFromAddrFn =
extern "system" fn(c::HANDLE, u64, *mut u64,
*mut c::SYMBOL_INFO) -> c::BOOL;
type SymGetLineFromAddr64Fn =
extern "system" fn(c::HANDLE, u64, *mut u32,
*mut c::IMAGEHLP_LINE64) -> c::BOOL;
type SymInitializeFn =
extern "system" fn(c::HANDLE, *mut c_void,
c::BOOL) -> c::BOOL;

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@ -10,10 +10,11 @@
//! C definitions used by libnative that don't belong in liblibc
#![allow(bad_style, overflowing_literals, dead_code, deprecated, unused_imports)]
#![allow(bad_style)]
#![cfg_attr(test, allow(dead_code))]
use os::raw::{c_int, c_uint, c_ulong, c_long, c_longlong, c_ushort};
use os::raw::{c_char, c_short, c_ulonglong};
use os::raw::{c_char, c_ulonglong};
use libc::{wchar_t, size_t, c_void};
use ptr;
@ -21,7 +22,6 @@ use ptr;
#[repr(C)]
struct u64x2(u64, u64);
pub use self::GET_FILEEX_INFO_LEVELS::*;
pub use self::FILE_INFO_BY_HANDLE_CLASS::*;
pub use self::EXCEPTION_DISPOSITION::*;
@ -64,7 +64,6 @@ pub type LPVOID = *mut c_void;
pub type LPWCH = *mut WCHAR;
pub type LPWIN32_FIND_DATAW = *mut WIN32_FIND_DATAW;
pub type LPWSADATA = *mut WSADATA;
pub type LPWSANETWORKEVENTS = *mut WSANETWORKEVENTS;
pub type LPWSAPROTOCOLCHAIN = *mut WSAPROTOCOLCHAIN;
pub type LPWSAPROTOCOL_INFO = *mut WSAPROTOCOL_INFO;
pub type LPWSTR = *mut WCHAR;
@ -83,56 +82,35 @@ pub const FALSE: BOOL = 0;
pub const FILE_ATTRIBUTE_READONLY: DWORD = 0x1;
pub const FILE_ATTRIBUTE_DIRECTORY: DWORD = 0x10;
pub const FILE_ATTRIBUTE_NORMAL: DWORD = 0x80;
pub const FILE_ATTRIBUTE_REPARSE_POINT: DWORD = 0x400;
pub const FILE_SHARE_DELETE: DWORD = 0x4;
pub const FILE_SHARE_READ: DWORD = 0x1;
pub const FILE_SHARE_WRITE: DWORD = 0x2;
pub const CREATE_ALWAYS: DWORD = 2;
pub const CREATE_NEW: DWORD = 1;
pub const OPEN_ALWAYS: DWORD = 4;
pub const OPEN_EXISTING: DWORD = 3;
pub const TRUNCATE_EXISTING: DWORD = 5;
pub const FILE_READ_DATA: DWORD = 0x00000001;
pub const FILE_WRITE_DATA: DWORD = 0x00000002;
pub const FILE_APPEND_DATA: DWORD = 0x00000004;
pub const FILE_READ_EA: DWORD = 0x00000008;
pub const FILE_WRITE_EA: DWORD = 0x00000010;
pub const FILE_EXECUTE: DWORD = 0x00000020;
pub const FILE_READ_ATTRIBUTES: DWORD = 0x00000080;
pub const FILE_WRITE_ATTRIBUTES: DWORD = 0x00000100;
pub const DELETE: DWORD = 0x00008000;
pub const READ_CONTROL: DWORD = 0x00020000;
pub const WRITE_DAC: DWORD = 0x00040000;
pub const WRITE_OWNER: DWORD = 0x00080000;
pub const SYNCHRONIZE: DWORD = 0x00100000;
pub const GENERIC_READ: DWORD = 0x80000000;
pub const GENERIC_WRITE: DWORD = 0x40000000;
pub const GENERIC_EXECUTE: DWORD = 0x20000000;
pub const GENERIC_ALL: DWORD = 0x10000000;
pub const STANDARD_RIGHTS_READ: DWORD = READ_CONTROL;
pub const STANDARD_RIGHTS_WRITE: DWORD = READ_CONTROL;
pub const STANDARD_RIGHTS_EXECUTE: DWORD = READ_CONTROL;
pub const FILE_GENERIC_READ: DWORD = STANDARD_RIGHTS_READ | FILE_READ_DATA |
FILE_READ_ATTRIBUTES |
FILE_READ_EA |
SYNCHRONIZE;
pub const FILE_GENERIC_WRITE: DWORD = STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA |
FILE_WRITE_ATTRIBUTES |
FILE_WRITE_EA |
FILE_APPEND_DATA |
SYNCHRONIZE;
pub const SECURITY_ANONYMOUS: DWORD = 0 << 16;
pub const SECURITY_IDENTIFICATION: DWORD = 1 << 16;
pub const SECURITY_IMPERSONATION: DWORD = 2 << 16;
pub const SECURITY_DELEGATION: DWORD = 3 << 16;
pub const SECURITY_CONTEXT_TRACKING: DWORD = 0x00040000;
pub const SECURITY_EFFECTIVE_ONLY: DWORD = 0x00080000;
pub const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
pub const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
pub const SECURITY_SQOS_PRESENT: DWORD = 0x00100000;
#[repr(C)]
@ -153,96 +131,36 @@ impl Clone for WIN32_FIND_DATAW {
fn clone(&self) -> Self { *self }
}
pub const FIONBIO: c_long = 0x8004667e;
pub const FD_SETSIZE: usize = 64;
pub const MSG_DONTWAIT: c_int = 0;
pub const ENABLE_ECHO_INPUT: DWORD = 0x4;
pub const ENABLE_EXTENDED_FLAGS: DWORD = 0x80;
pub const ENABLE_INSERT_MODE: DWORD = 0x20;
pub const ENABLE_LINE_INPUT: DWORD = 0x2;
pub const ENABLE_PROCESSED_INPUT: DWORD = 0x1;
pub const ENABLE_QUICK_EDIT_MODE: DWORD = 0x40;
pub const FD_ACCEPT: c_long = 0x08;
pub const FD_MAX_EVENTS: usize = 10;
pub const WSA_INVALID_EVENT: WSAEVENT = 0 as WSAEVENT;
pub const WSA_INFINITE: DWORD = INFINITE;
pub const WSA_WAIT_TIMEOUT: DWORD = WAIT_TIMEOUT;
pub const WSA_WAIT_EVENT_0: DWORD = WAIT_OBJECT_0;
pub const WSA_WAIT_FAILED: DWORD = WAIT_FAILED;
pub const WSA_FLAG_OVERLAPPED: DWORD = 0x01;
pub const WSA_FLAG_NO_HANDLE_INHERIT: DWORD = 0x80;
pub const WSADESCRIPTION_LEN: usize = 256;
pub const WSASYS_STATUS_LEN: usize = 128;
pub const WSAPROTOCOL_LEN: DWORD = 255;
pub const INVALID_SOCKET: SOCKET = !0;
pub const WSAEINTR: c_int = 10004;
pub const WSAEBADF: c_int = 10009;
pub const WSAEACCES: c_int = 10013;
pub const WSAEFAULT: c_int = 10014;
pub const WSAEINVAL: c_int = 10022;
pub const WSAEMFILE: c_int = 10024;
pub const WSAEWOULDBLOCK: c_int = 10035;
pub const WSAEINPROGRESS: c_int = 10036;
pub const WSAEALREADY: c_int = 10037;
pub const WSAENOTSOCK: c_int = 10038;
pub const WSAEDESTADDRREQ: c_int = 10039;
pub const WSAEMSGSIZE: c_int = 10040;
pub const WSAEPROTOTYPE: c_int = 10041;
pub const WSAENOPROTOOPT: c_int = 10042;
pub const WSAEPROTONOSUPPORT: c_int = 10043;
pub const WSAESOCKTNOSUPPORT: c_int = 10044;
pub const WSAEOPNOTSUPP: c_int = 10045;
pub const WSAEPFNOSUPPORT: c_int = 10046;
pub const WSAEAFNOSUPPORT: c_int = 10047;
pub const WSAEADDRINUSE: c_int = 10048;
pub const WSAEADDRNOTAVAIL: c_int = 10049;
pub const WSAENETDOWN: c_int = 10050;
pub const WSAENETUNREACH: c_int = 10051;
pub const WSAENETRESET: c_int = 10052;
pub const WSAECONNABORTED: c_int = 10053;
pub const WSAECONNRESET: c_int = 10054;
pub const WSAENOBUFS: c_int = 10055;
pub const WSAEISCONN: c_int = 10056;
pub const WSAENOTCONN: c_int = 10057;
pub const WSAESHUTDOWN: c_int = 10058;
pub const WSAETOOMANYREFS: c_int = 10059;
pub const WSAETIMEDOUT: c_int = 10060;
pub const WSAECONNREFUSED: c_int = 10061;
pub const WSAELOOP: c_int = 10062;
pub const WSAENAMETOOLONG: c_int = 10063;
pub const WSAEHOSTDOWN: c_int = 10064;
pub const WSAEHOSTUNREACH: c_int = 10065;
pub const WSAENOTEMPTY: c_int = 10066;
pub const WSAEPROCLIM: c_int = 10067;
pub const WSAEUSERS: c_int = 10068;
pub const WSAEDQUOT: c_int = 10069;
pub const WSAESTALE: c_int = 10070;
pub const WSAEREMOTE: c_int = 10071;
pub const WSASYSNOTREADY: c_int = 10091;
pub const WSAVERNOTSUPPORTED: c_int = 10092;
pub const WSANOTINITIALISED: c_int = 10093;
pub const WSAEDISCON: c_int = 10101;
pub const WSAENOMORE: c_int = 10102;
pub const WSAECANCELLED: c_int = 10103;
pub const WSAEINVALIDPROCTABLE: c_int = 10104;
pub const NI_MAXHOST: DWORD = 1025;
pub const MAX_PROTOCOL_CHAIN: DWORD = 7;
pub const TOKEN_READ: DWORD = 0x20008;
pub const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
pub const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
pub const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: usize = 16 * 1024;
pub const FSCTL_GET_REPARSE_POINT: DWORD = 0x900a8;
pub const IO_REPARSE_TAG_SYMLINK: DWORD = 0xa000000c;
pub const IO_REPARSE_TAG_MOUNT_POINT: DWORD = 0xa0000003;
pub const SYMLINK_FLAG_RELATIVE: DWORD = 0x00000001;
pub const FSCTL_SET_REPARSE_POINT: DWORD = 0x900a4;
pub const FSCTL_DELETE_REPARSE_POINT: DWORD = 0x900ac;
pub const SYMBOLIC_LINK_FLAG_DIRECTORY: DWORD = 0x1;
@ -254,38 +172,19 @@ pub const STD_ERROR_HANDLE: DWORD = -12i32 as DWORD;
pub const HANDLE_FLAG_INHERIT: DWORD = 0x00000001;
pub const PROGRESS_CONTINUE: DWORD = 0;
pub const PROGRESS_CANCEL: DWORD = 1;
pub const PROGRESS_STOP: DWORD = 2;
pub const PROGRESS_QUIET: DWORD = 3;
pub const TOKEN_ADJUST_PRIVILEGES: DWORD = 0x0020;
pub const SE_PRIVILEGE_ENABLED: DWORD = 2;
pub const ERROR_SUCCESS: DWORD = 0;
pub const ERROR_INVALID_FUNCTION: DWORD = 1;
pub const ERROR_FILE_NOT_FOUND: DWORD = 2;
pub const ERROR_PATH_NOT_FOUND: DWORD = 3;
pub const ERROR_ACCESS_DENIED: DWORD = 5;
pub const ERROR_INVALID_HANDLE: DWORD = 6;
pub const ERROR_NO_MORE_FILES: DWORD = 18;
pub const ERROR_BROKEN_PIPE: DWORD = 109;
pub const ERROR_DISK_FULL: DWORD = 112;
pub const ERROR_CALL_NOT_IMPLEMENTED: DWORD = 120;
pub const ERROR_INSUFFICIENT_BUFFER: DWORD = 122;
pub const ERROR_INVALID_NAME: DWORD = 123;
pub const ERROR_ALREADY_EXISTS: DWORD = 183;
pub const ERROR_PIPE_BUSY: DWORD = 231;
pub const ERROR_NO_DATA: DWORD = 232;
pub const ERROR_INVALID_ADDRESS: DWORD = 487;
pub const ERROR_PIPE_CONNECTED: DWORD = 535;
pub const ERROR_ILLEGAL_CHARACTER: DWORD = 582;
pub const ERROR_ENVVAR_NOT_FOUND: DWORD = 203;
pub const ERROR_NOTHING_TO_TERMINATE: DWORD = 758;
pub const ERROR_OPERATION_ABORTED: DWORD = 995;
pub const ERROR_IO_PENDING: DWORD = 997;
pub const ERROR_FILE_INVALID: DWORD = 1006;
pub const ERROR_NOT_FOUND: DWORD = 1168;
pub const ERROR_TIMEOUT: DWORD = 0x5B4;
pub const INVALID_HANDLE_VALUE: HANDLE = !0 as HANDLE;
@ -307,8 +206,6 @@ pub const CONDITION_VARIABLE_INIT: CONDITION_VARIABLE = CONDITION_VARIABLE {
};
pub const SRWLOCK_INIT: SRWLOCK = SRWLOCK { ptr: ptr::null_mut() };
pub const STILL_ACTIVE: DWORD = 259;
pub const DETACHED_PROCESS: DWORD = 0x00000008;
pub const CREATE_NEW_PROCESS_GROUP: DWORD = 0x00000200;
pub const CREATE_UNICODE_ENVIRONMENT: DWORD = 0x00000400;
@ -333,14 +230,13 @@ pub const FILE_BEGIN: DWORD = 0;
pub const FILE_CURRENT: DWORD = 1;
pub const FILE_END: DWORD = 2;
pub const WAIT_ABANDONED: DWORD = 0x00000080;
pub const WAIT_OBJECT_0: DWORD = 0x00000000;
pub const WAIT_TIMEOUT: DWORD = 0x00000102;
pub const WAIT_FAILED: DWORD = !0;
#[cfg(target_env = "msvc")]
pub const MAX_SYM_NAME: usize = 2000;
#[cfg(target_arch = "x86")]
pub const IMAGE_FILE_MACHINE_I386: DWORD = 0x014c;
pub const IMAGE_FILE_MACHINE_IA64: DWORD = 0x0200;
#[cfg(target_arch = "x86_64")]
pub const IMAGE_FILE_MACHINE_AMD64: DWORD = 0x8664;
pub const PROV_RSA_FULL: DWORD = 1;
@ -350,13 +246,17 @@ pub const CRYPT_VERIFYCONTEXT: DWORD = 0xF0000000;
pub const EXCEPTION_CONTINUE_SEARCH: LONG = 0;
pub const EXCEPTION_STACK_OVERFLOW: DWORD = 0xc00000fd;
pub const EXCEPTION_MAXIMUM_PARAMETERS: usize = 15;
#[cfg(target_env = "gnu")]
pub const EXCEPTION_NONCONTINUABLE: DWORD = 0x1; // Noncontinuable exception
#[cfg(target_env = "gnu")]
pub const EXCEPTION_UNWINDING: DWORD = 0x2; // Unwind is in progress
#[cfg(target_env = "gnu")]
pub const EXCEPTION_EXIT_UNWIND: DWORD = 0x4; // Exit unwind is in progress
pub const EXCEPTION_STACK_INVALID: DWORD = 0x8; // Stack out of limits or unaligned
pub const EXCEPTION_NESTED_CALL: DWORD = 0x10; // Nested exception handler call
#[cfg(target_env = "gnu")]
pub const EXCEPTION_TARGET_UNWIND: DWORD = 0x20; // Target unwind in progress
#[cfg(target_env = "gnu")]
pub const EXCEPTION_COLLIDED_UNWIND: DWORD = 0x40; // Collided exception handler call
#[cfg(target_env = "gnu")]
pub const EXCEPTION_UNWIND: DWORD = EXCEPTION_UNWINDING |
EXCEPTION_EXIT_UNWIND |
EXCEPTION_TARGET_UNWIND |
@ -385,12 +285,6 @@ pub struct WSADATA {
pub szSystemStatus: [u8; WSASYS_STATUS_LEN + 1],
}
#[repr(C)]
pub struct WSANETWORKEVENTS {
pub lNetworkEvents: c_long,
pub iErrorCode: [c_int; FD_MAX_EVENTS],
}
pub type WSAEVENT = HANDLE;
#[repr(C)]
@ -417,43 +311,6 @@ pub struct WSAPROTOCOL_INFO {
pub szProtocol: [u16; (WSAPROTOCOL_LEN as usize) + 1],
}
#[repr(C)]
pub struct fd_set {
fd_count: c_uint,
fd_array: [SOCKET; FD_SETSIZE],
}
pub fn fd_set(set: &mut fd_set, s: SOCKET) {
set.fd_array[set.fd_count as usize] = s;
set.fd_count += 1;
}
pub type SHORT = c_short;
#[repr(C)]
pub struct COORD {
pub X: SHORT,
pub Y: SHORT,
}
#[repr(C)]
pub struct SMALL_RECT {
pub Left: SHORT,
pub Top: SHORT,
pub Right: SHORT,
pub Bottom: SHORT,
}
#[repr(C)]
pub struct CONSOLE_SCREEN_BUFFER_INFO {
pub dwSize: COORD,
pub dwCursorPosition: COORD,
pub wAttributes: WORD,
pub srWindow: SMALL_RECT,
pub dwMaximumWindowSize: COORD,
}
pub type PCONSOLE_SCREEN_BUFFER_INFO = *mut CONSOLE_SCREEN_BUFFER_INFO;
#[repr(C)]
#[derive(Copy, Clone)]
pub struct WIN32_FILE_ATTRIBUTE_DATA {
@ -480,12 +337,7 @@ pub struct BY_HANDLE_FILE_INFORMATION {
}
#[repr(C)]
pub enum GET_FILEEX_INFO_LEVELS {
GetFileExInfoStandard,
GetFileExMaxInfoLevel
}
#[repr(C)]
#[allow(dead_code)] // we only use some variants
pub enum FILE_INFO_BY_HANDLE_CLASS {
FileBasicInfo = 0,
FileStandardInfo = 1,
@ -569,28 +421,6 @@ pub struct CRITICAL_SECTION {
SpinCount: ULONG_PTR
}
#[repr(C)]
pub struct LUID {
pub LowPart: DWORD,
pub HighPart: c_long,
}
pub type PLUID = *mut LUID;
#[repr(C)]
pub struct TOKEN_PRIVILEGES {
pub PrivilegeCount: DWORD,
pub Privileges: [LUID_AND_ATTRIBUTES; 1],
}
pub type PTOKEN_PRIVILEGES = *mut TOKEN_PRIVILEGES;
#[repr(C)]
pub struct LUID_AND_ATTRIBUTES {
pub Luid: LUID,
pub Attributes: DWORD,
}
#[repr(C)]
pub struct REPARSE_MOUNTPOINT_DATA_BUFFER {
pub ReparseTag: DWORD,
@ -695,6 +525,7 @@ pub struct OVERLAPPED {
}
#[repr(C)]
#[cfg(target_env = "msvc")]
pub struct SYMBOL_INFO {
pub SizeOfStruct: c_ulong,
pub TypeIndex: c_ulong,
@ -717,6 +548,7 @@ pub struct SYMBOL_INFO {
}
#[repr(C)]
#[cfg(target_env = "msvc")]
pub struct IMAGEHLP_LINE64 {
pub SizeOfStruct: u32,
pub Key: *const c_void,
@ -726,6 +558,7 @@ pub struct IMAGEHLP_LINE64 {
}
#[repr(C)]
#[allow(dead_code)] // we only use some variants
pub enum ADDRESS_MODE {
AddrMode1616,
AddrMode1632,
@ -941,9 +774,11 @@ pub struct in6_addr {
pub s6_addr: [u8; 16],
}
#[cfg(target_env = "gnu")]
pub enum UNWIND_HISTORY_TABLE {}
#[repr(C)]
#[cfg(target_env = "gnu")]
pub struct RUNTIME_FUNCTION {
pub BeginAddress: DWORD,
pub EndAddress: DWORD,
@ -951,6 +786,7 @@ pub struct RUNTIME_FUNCTION {
}
#[repr(C)]
#[cfg(target_env = "gnu")]
pub struct DISPATCHER_CONTEXT {
pub ControlPc: LPVOID,
pub ImageBase: LPVOID,
@ -965,6 +801,7 @@ pub struct DISPATCHER_CONTEXT {
#[repr(C)]
#[derive(Copy, Clone)]
#[allow(dead_code)] // we only use some variants
pub enum EXCEPTION_DISPOSITION {
ExceptionContinueExecution,
ExceptionContinueSearch,
@ -1016,9 +853,6 @@ extern "system" {
pub fn GetConsoleMode(hConsoleHandle: HANDLE,
lpMode: LPDWORD) -> BOOL;
pub fn GetFileAttributesExW(lpFileName: LPCWSTR,
fInfoLevelId: GET_FILEEX_INFO_LEVELS,
lpFileInformation: LPVOID) -> BOOL;
pub fn RemoveDirectoryW(lpPathName: LPCWSTR) -> BOOL;
pub fn SetFileAttributesW(lpFileName: LPCWSTR,
dwFileAttributes: DWORD) -> BOOL;
@ -1076,15 +910,6 @@ extern "system" {
lpData: LPVOID,
pbCancel: LPBOOL,
dwCopyFlags: DWORD) -> BOOL;
pub fn LookupPrivilegeValueW(lpSystemName: LPCWSTR,
lpName: LPCWSTR,
lpLuid: PLUID) -> BOOL;
pub fn AdjustTokenPrivileges(TokenHandle: HANDLE,
DisableAllPrivileges: BOOL,
NewState: PTOKEN_PRIVILEGES,
BufferLength: DWORD,
PreviousState: PTOKEN_PRIVILEGES,
ReturnLength: *mut DWORD) -> BOOL;
pub fn AddVectoredExceptionHandler(FirstHandler: ULONG,
VectoredHandler: PVECTORED_EXCEPTION_HANDLER)
-> LPVOID;
@ -1264,6 +1089,7 @@ extern "system" {
dwExceptionFlags: DWORD,
nNumberOfArguments: DWORD,
lpArguments: *const ULONG_PTR);
#[cfg(target_env = "gnu")]
pub fn RtlUnwindEx(TargetFrame: LPVOID,
TargetIp: LPVOID,
ExceptionRecord: *const EXCEPTION_RECORD,

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@ -16,10 +16,16 @@ use io::prelude::*;
use io;
use libc::{c_ulong, c_int, c_char, c_void};
use mem;
use super::{SymFromAddrFn, SymGetLineFromAddr64Fn};
use sys::c;
use sys_common::backtrace::{output, output_fileline};
type SymFromAddrFn =
extern "system" fn(c::HANDLE, u64, *mut u64,
*mut c::SYMBOL_INFO) -> c::BOOL;
type SymGetLineFromAddr64Fn =
extern "system" fn(c::HANDLE, u64, *mut u32,
*mut c::IMAGEHLP_LINE64) -> c::BOOL;
pub fn print(w: &mut Write, i: isize, addr: u64, dbghelp: &DynamicLibrary,
process: c::HANDLE) -> io::Result<()> {
let SymFromAddr = sym!(dbghelp, "SymFromAddr", SymFromAddrFn);

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@ -233,12 +233,12 @@ unsafe fn unregister_dtor(key: Key) -> bool {
#[link_section = ".CRT$XLB"]
#[linkage = "external"]
#[allow(warnings)]
#[allow(dead_code, unused_variables)]
pub static p_thread_callback: unsafe extern "system" fn(c::LPVOID, c::DWORD,
c::LPVOID) =
on_tls_callback;
#[allow(warnings)]
#[allow(dead_code, unused_variables)]
unsafe extern "system" fn on_tls_callback(h: c::LPVOID,
dwReason: c::DWORD,
pv: c::LPVOID) {