68dafe9016
Since on Windows HANDLEs are not the same as file descriptors, confusing the two meant that almost all APIs in libuv had to go through a thin compatibility layer, adding needless complication. This removes that layer of external indirection and instead works with the native Win32 API directly. See: https://github.com/libuv/leps/blob/master/005-windows-handles-not-fd.md PR-URL: https://github.com/libuv/libuv/pull/1166 Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
511 lines
25 KiB
C
511 lines
25 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef _WIN32_WINNT
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# define _WIN32_WINNT 0x0600
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#endif
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#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
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typedef intptr_t ssize_t;
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# define _SSIZE_T_
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# define _SSIZE_T_DEFINED
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#endif
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#include <winsock2.h>
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#ifndef LOCALE_INVARIANT
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# define LOCALE_INVARIANT 0x007f
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#endif
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#include <mswsock.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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#include <stdint.h>
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#include "tree.h"
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#include "uv-threadpool.h"
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#define MAX_PIPENAME_LEN 256
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#ifndef S_IFLNK
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# define S_IFLNK 0xA000
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#endif
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/* Signals supported by uv_signal and or uv_kill */
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGILL 4
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#define SIGABRT_COMPAT 6
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGSEGV 11
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#define SIGTERM 15
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#define SIGBREAK 21
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#define SIGABRT 22
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#define SIGWINCH 28
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typedef int (WSAAPI* LPFN_WSARECV)
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(SOCKET socket,
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LPWSABUF buffers,
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DWORD buffer_count,
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LPDWORD bytes,
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LPDWORD flags,
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LPWSAOVERLAPPED overlapped,
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LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
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typedef int (WSAAPI* LPFN_WSARECVFROM)
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(SOCKET socket,
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LPWSABUF buffers,
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DWORD buffer_count,
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LPDWORD bytes,
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LPDWORD flags,
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struct sockaddr* addr,
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LPINT addr_len,
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LPWSAOVERLAPPED overlapped,
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LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
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#ifndef _NTDEF_
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typedef LONG NTSTATUS;
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typedef NTSTATUS *PNTSTATUS;
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#endif
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#ifndef RTL_CONDITION_VARIABLE_INIT
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typedef PVOID CONDITION_VARIABLE, *PCONDITION_VARIABLE;
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#endif
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typedef struct _AFD_POLL_HANDLE_INFO {
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HANDLE Handle;
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ULONG Events;
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NTSTATUS Status;
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} AFD_POLL_HANDLE_INFO, *PAFD_POLL_HANDLE_INFO;
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typedef struct _AFD_POLL_INFO {
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LARGE_INTEGER Timeout;
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ULONG NumberOfHandles;
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ULONG Exclusive;
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AFD_POLL_HANDLE_INFO Handles[1];
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} AFD_POLL_INFO, *PAFD_POLL_INFO;
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#define UV_MSAFD_PROVIDER_COUNT 3
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/**
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* It should be possible to cast uv_buf_t[] to WSABUF[]
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* see http://msdn.microsoft.com/en-us/library/ms741542(v=vs.85).aspx
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*/
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typedef struct uv_buf_t {
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ULONG len;
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char* base;
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} uv_buf_t;
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typedef SOCKET uv_os_sock_t;
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typedef HANDLE uv_os_fd_t;
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typedef HANDLE uv_thread_t;
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typedef HANDLE uv_sem_t;
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typedef CRITICAL_SECTION uv_mutex_t;
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typedef CONDITION_VARIABLE uv_cond_t;
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typedef struct {
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unsigned int num_readers_;
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CRITICAL_SECTION num_readers_lock_;
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HANDLE write_semaphore_;
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} uv_rwlock_t;
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typedef struct {
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unsigned int n;
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unsigned int count;
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uv_mutex_t mutex;
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uv_sem_t turnstile1;
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uv_sem_t turnstile2;
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} uv_barrier_t;
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typedef struct {
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DWORD tls_index;
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} uv_key_t;
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#define UV_ONCE_INIT { 0, NULL }
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typedef struct uv_once_s {
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unsigned char ran;
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HANDLE event;
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} uv_once_t;
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/* Platform-specific definitions for uv_spawn support. */
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typedef unsigned char uv_uid_t;
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typedef unsigned char uv_gid_t;
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typedef struct uv__dirent_s {
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int d_type;
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char d_name[1];
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} uv__dirent_t;
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#define HAVE_DIRENT_TYPES
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#define UV__DT_DIR UV_DIRENT_DIR
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#define UV__DT_FILE UV_DIRENT_FILE
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#define UV__DT_LINK UV_DIRENT_LINK
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#define UV__DT_FIFO UV_DIRENT_FIFO
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#define UV__DT_SOCKET UV_DIRENT_SOCKET
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#define UV__DT_CHAR UV_DIRENT_CHAR
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#define UV__DT_BLOCK UV_DIRENT_BLOCK
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/* Platform-specific definitions for uv_dlopen support. */
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#define UV_DYNAMIC FAR WINAPI
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typedef struct {
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HMODULE handle;
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char* errmsg;
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} uv_lib_t;
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#define UV_LOOP_PRIVATE_FIELDS \
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/* The loop's I/O completion port */ \
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HANDLE iocp; \
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/* The current time according to the event loop. in msecs. */ \
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uint64_t time; \
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/* Tail of a single-linked circular queue of pending reqs. If the queue */ \
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/* is empty, tail_ is NULL. If there is only one item, */ \
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/* tail_->next_req == tail_ */ \
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uv_req_t* pending_reqs_tail; \
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/* Head of a single-linked list of closed handles */ \
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uv_handle_t* endgame_handles; \
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/* Timers */ \
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struct { \
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void* min; \
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unsigned int nelts; \
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} timer_heap; \
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uint64_t timer_counter; \
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/* Lists of active loop (prepare / check / idle) watchers */ \
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void* prepare_handles[2]; \
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void* check_handles[2]; \
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void* idle_handles[2]; \
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/* This handle holds the peer sockets for the fast variant of uv_poll_t */ \
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SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT]; \
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/* Threadpool */ \
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void* wq[2]; \
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uv_mutex_t wq_mutex; \
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uv_async_t wq_async; \
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/* Async handle */ \
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struct uv_req_s async_req; \
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void* async_handles[2]; \
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/* Global queue of loops */ \
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void* loops_queue[2];
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#define UV_REQ_TYPE_PRIVATE \
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/* TODO: remove the req suffix */ \
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UV_ACCEPT, \
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UV_FS_EVENT_REQ, \
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UV_POLL_REQ, \
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UV_PROCESS_EXIT, \
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UV_READ, \
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UV_UDP_RECV, \
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UV_WAKEUP, \
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UV_SIGNAL_REQ,
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#define UV_REQ_PRIVATE_FIELDS \
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union { \
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/* Used by I/O operations */ \
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struct { \
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OVERLAPPED overlapped; \
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size_t queued_bytes; \
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} io; \
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} u; \
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struct uv_req_s* next_req;
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#define UV_WRITE_PRIVATE_FIELDS \
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int ipc_header; \
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uv_buf_t write_buffer; \
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HANDLE event_handle; \
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HANDLE wait_handle;
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#define UV_CONNECT_PRIVATE_FIELDS \
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/* empty */
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#define UV_SHUTDOWN_PRIVATE_FIELDS \
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/* empty */
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#define UV_UDP_SEND_PRIVATE_FIELDS \
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/* empty */
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#define UV_PRIVATE_REQ_TYPES \
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typedef struct uv_pipe_accept_s { \
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UV_REQ_FIELDS \
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HANDLE pipeHandle; \
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struct uv_pipe_accept_s* next_pending; \
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} uv_pipe_accept_t; \
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\
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typedef struct uv_tcp_accept_s { \
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UV_REQ_FIELDS \
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SOCKET accept_socket; \
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char accept_buffer[sizeof(struct sockaddr_storage) * 2 + 32]; \
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HANDLE event_handle; \
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HANDLE wait_handle; \
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struct uv_tcp_accept_s* next_pending; \
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} uv_tcp_accept_t; \
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\
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typedef struct uv_read_s { \
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UV_REQ_FIELDS \
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HANDLE event_handle; \
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HANDLE wait_handle; \
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} uv_read_t;
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#define uv_stream_connection_fields \
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unsigned int write_reqs_pending; \
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uv_shutdown_t* shutdown_req;
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#define uv_stream_server_fields \
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uv_connection_cb connection_cb;
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#define UV_STREAM_PRIVATE_FIELDS \
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unsigned int reqs_pending; \
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int activecnt; \
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uv_read_t read_req; \
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union { \
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struct { uv_stream_connection_fields } conn; \
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struct { uv_stream_server_fields } serv; \
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} stream;
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#define uv_tcp_server_fields \
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uv_tcp_accept_t* accept_reqs; \
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unsigned int processed_accepts; \
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uv_tcp_accept_t* pending_accepts; \
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LPFN_ACCEPTEX func_acceptex;
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#define uv_tcp_connection_fields \
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uv_buf_t read_buffer; \
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LPFN_CONNECTEX func_connectex;
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#define UV_TCP_PRIVATE_FIELDS \
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SOCKET socket; \
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int delayed_error; \
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union { \
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struct { uv_tcp_server_fields } serv; \
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struct { uv_tcp_connection_fields } conn; \
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} tcp;
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#define UV_UDP_PRIVATE_FIELDS \
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SOCKET socket; \
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unsigned int reqs_pending; \
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int activecnt; \
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uv_req_t recv_req; \
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uv_buf_t recv_buffer; \
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struct sockaddr_storage recv_from; \
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int recv_from_len; \
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uv_udp_recv_cb recv_cb; \
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uv_alloc_cb alloc_cb; \
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LPFN_WSARECV func_wsarecv; \
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LPFN_WSARECVFROM func_wsarecvfrom;
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#define uv_pipe_server_fields \
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int pending_instances; \
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uv_pipe_accept_t* accept_reqs; \
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uv_pipe_accept_t* pending_accepts;
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#define uv_pipe_connection_fields \
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uv_timer_t* eof_timer; \
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uv_write_t ipc_header_write_req; \
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int ipc_pid; \
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uint64_t remaining_ipc_rawdata_bytes; \
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struct { \
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void* queue[2]; \
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int queue_len; \
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} pending_ipc_info; \
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uv_write_t* non_overlapped_writes_tail; \
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uv_mutex_t readfile_mutex; \
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volatile HANDLE readfile_thread;
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#define UV_PIPE_PRIVATE_FIELDS \
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HANDLE handle; \
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WCHAR* name; \
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union { \
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struct { uv_pipe_server_fields } serv; \
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struct { uv_pipe_connection_fields } conn; \
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} pipe;
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/* TODO: put the parser states in an union - TTY handles are always */
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/* half-duplex so read-state can safely overlap write-state. */
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#define UV_TTY_PRIVATE_FIELDS \
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HANDLE handle; \
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union { \
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struct { \
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/* Used for readable TTY handles */ \
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uv_buf_t read_line_buffer; \
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HANDLE read_raw_wait; \
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/* Fields used for translating win keystrokes into vt100 characters */ \
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char last_key[8]; \
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unsigned char last_key_offset; \
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unsigned char last_key_len; \
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WCHAR last_utf16_high_surrogate; \
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INPUT_RECORD last_input_record; \
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} rd; \
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struct { \
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/* Used for writable TTY handles */ \
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/* utf8-to-utf16 conversion state */ \
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unsigned int utf8_codepoint; \
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unsigned char utf8_bytes_left; \
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/* eol conversion state */ \
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unsigned char previous_eol; \
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/* ansi parser state */ \
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unsigned char ansi_parser_state; \
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unsigned char ansi_csi_argc; \
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unsigned short ansi_csi_argv[4]; \
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COORD saved_position; \
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WORD saved_attributes; \
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} wr; \
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} tty;
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#define UV_POLL_PRIVATE_FIELDS \
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SOCKET socket; \
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/* Used in fast mode */ \
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SOCKET peer_socket; \
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AFD_POLL_INFO afd_poll_info_1; \
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AFD_POLL_INFO afd_poll_info_2; \
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/* Used in fast and slow mode. */ \
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uv_req_t poll_req_1; \
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uv_req_t poll_req_2; \
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unsigned char submitted_events_1; \
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unsigned char submitted_events_2; \
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unsigned char mask_events_1; \
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unsigned char mask_events_2; \
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unsigned char events;
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#define UV_TIMER_PRIVATE_FIELDS \
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uv_timer_cb timer_cb; \
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void* heap_node[3]; \
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uint64_t timeout; \
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uint64_t repeat; \
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uint64_t start_id;
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#define UV_ASYNC_PRIVATE_FIELDS \
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void* queue[2]; \
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uv_async_cb async_cb; \
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LONG volatile async_sent;
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#define UV_PREPARE_PRIVATE_FIELDS \
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void* queue[2]; \
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uv_prepare_cb prepare_cb;
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#define UV_CHECK_PRIVATE_FIELDS \
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void* queue[2]; \
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uv_check_cb check_cb;
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#define UV_IDLE_PRIVATE_FIELDS \
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void* queue[2]; \
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uv_idle_cb idle_cb;
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#define UV_HANDLE_PRIVATE_FIELDS \
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uv_handle_t* endgame_next; \
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unsigned int flags;
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#define UV_GETADDRINFO_PRIVATE_FIELDS \
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struct uv__work work_req; \
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uv_getaddrinfo_cb getaddrinfo_cb; \
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void* alloc; \
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WCHAR* node; \
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WCHAR* service; \
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/* The addrinfoW field is used to store a pointer to the hints, and */ \
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/* later on to store the result of GetAddrInfoW. The final result will */ \
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/* be converted to struct addrinfo* and stored in the addrinfo field. */ \
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struct addrinfoW* addrinfow; \
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struct addrinfo* addrinfo; \
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int retcode;
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#define UV_GETNAMEINFO_PRIVATE_FIELDS \
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struct uv__work work_req; \
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uv_getnameinfo_cb getnameinfo_cb; \
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struct sockaddr_storage storage; \
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int flags; \
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char host[NI_MAXHOST]; \
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char service[NI_MAXSERV]; \
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int retcode;
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#define UV_PROCESS_PRIVATE_FIELDS \
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struct uv_process_exit_s { \
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UV_REQ_FIELDS \
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} exit_req; \
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BYTE* child_stdio_buffer; \
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int exit_signal; \
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HANDLE wait_handle; \
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HANDLE process_handle; \
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volatile char exit_cb_pending;
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#define UV_FS_PRIVATE_FIELDS \
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struct uv__work work_req; \
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int flags; \
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DWORD sys_errno_; \
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union { \
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/* TODO: remove me in 0.9. */ \
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WCHAR* pathw; \
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HANDLE hFile; \
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} file; \
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union { \
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struct { \
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int mode; \
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WCHAR* new_pathw; \
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int file_flags; \
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HANDLE hFile_out; \
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unsigned int nbufs; \
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uv_buf_t* bufs; \
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int64_t offset; \
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uv_buf_t bufsml[4]; \
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} info; \
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struct { \
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double atime; \
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double mtime; \
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} time; \
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} fs;
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#define UV_WORK_PRIVATE_FIELDS \
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struct uv__work work_req;
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#define UV_FS_EVENT_PRIVATE_FIELDS \
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struct uv_fs_event_req_s { \
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UV_REQ_FIELDS \
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} req; \
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HANDLE dir_handle; \
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int req_pending; \
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uv_fs_event_cb cb; \
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WCHAR* filew; \
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WCHAR* short_filew; \
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WCHAR* dirw; \
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char* buffer;
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#define UV_SIGNAL_PRIVATE_FIELDS \
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RB_ENTRY(uv_signal_s) tree_entry; \
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struct uv_req_s signal_req; \
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unsigned long pending_signum;
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#ifndef F_OK
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#define F_OK 0
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#endif
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#ifndef R_OK
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#define R_OK 4
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#endif
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#ifndef W_OK
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#define W_OK 2
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#endif
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#ifndef X_OK
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#define X_OK 1
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#endif
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