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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #ifndef _WIN32_WINNT # define _WIN32_WINNT 0x0A00 #endif #if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED) typedef intptr_t ssize_t; # define SSIZE_MAX INTPTR_MAX # define _SSIZE_T_ # define _SSIZE_T_DEFINED #endif #include <winsock2.h> #ifndef LOCALE_INVARIANT # define LOCALE_INVARIANT 0x007f #endif #include <mswsock.h> /* Disable the typedef in mstcpip.h of MinGW. */ #define _TCP_INITIAL_RTO_PARAMETERS _TCP_INITIAL_RTO_PARAMETERS__AVOID #define TCP_INITIAL_RTO_PARAMETERS TCP_INITIAL_RTO_PARAMETERS__AVOID #define PTCP_INITIAL_RTO_PARAMETERS PTCP_INITIAL_RTO_PARAMETERS__AVOID #include <ws2tcpip.h> #undef _TCP_INITIAL_RTO_PARAMETERS #undef TCP_INITIAL_RTO_PARAMETERS #undef PTCP_INITIAL_RTO_PARAMETERS #include <windows.h> #include <process.h> #include <signal.h> #include <fcntl.h> #include <sys/stat.h> #include <stdint.h> #include "uv/tree.h" #include "uv/threadpool.h" #define MAX_PIPENAME_LEN 256 #ifndef S_IFLNK # define S_IFLNK 0xA000 #endif /* Define missing in Windows Kit Include\{VERSION}\ucrt\sys\stat.h */ #if defined(_CRT_INTERNAL_NONSTDC_NAMES) && _CRT_INTERNAL_NONSTDC_NAMES && !defined(S_IFIFO) # define S_IFIFO _S_IFIFO #endif /* Additional signals supported by uv_signal and or uv_kill. The CRT defines * the following signals already: * * #define SIGINT 2 * #define SIGILL 4 * #define SIGABRT_COMPAT 6 * #define SIGFPE 8 * #define SIGSEGV 11 * #define SIGTERM 15 * #define SIGBREAK 21 * #define SIGABRT 22 * * The additional signals have values that are common on other Unix * variants (Linux and Darwin) */ #define SIGHUP 1 #define SIGQUIT 3 #define SIGKILL 9 #define SIGWINCH 28 /* Redefine NSIG to take SIGWINCH into consideration */ #if defined(NSIG) && NSIG <= SIGWINCH # undef NSIG #endif #ifndef NSIG # define NSIG SIGWINCH + 1 #endif /* The CRT defines SIGABRT_COMPAT as 6, which equals SIGABRT on many unix-like * platforms. However MinGW doesn't define it, so we do. */ #ifndef SIGABRT_COMPAT # define SIGABRT_COMPAT 6 #endif /* * Guids and typedefs for winsock extension functions * Mingw32 doesn't have these :-( */ #ifndef WSAID_ACCEPTEX # define WSAID_ACCEPTEX \ {0xb5367df1, 0xcbac, 0x11cf, \ {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} # define WSAID_CONNECTEX \ {0x25a207b9, 0xddf3, 0x4660, \ {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}} # define WSAID_GETACCEPTEXSOCKADDRS \ {0xb5367df2, 0xcbac, 0x11cf, \ {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} # define WSAID_DISCONNECTEX \ {0x7fda2e11, 0x8630, 0x436f, \ {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}} # define WSAID_TRANSMITFILE \ {0xb5367df0, 0xcbac, 0x11cf, \ {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}} typedef BOOL (PASCAL *LPFN_ACCEPTEX) (SOCKET sListenSocket, SOCKET sAcceptSocket, PVOID lpOutputBuffer, DWORD dwReceiveDataLength, DWORD dwLocalAddressLength, DWORD dwRemoteAddressLength, LPDWORD lpdwBytesReceived, LPOVERLAPPED lpOverlapped); typedef BOOL (PASCAL *LPFN_CONNECTEX) (SOCKET s, const struct sockaddr* name, int namelen, PVOID lpSendBuffer, DWORD dwSendDataLength, LPDWORD lpdwBytesSent, LPOVERLAPPED lpOverlapped); typedef void (PASCAL *LPFN_GETACCEPTEXSOCKADDRS) (PVOID lpOutputBuffer, DWORD dwReceiveDataLength, DWORD dwLocalAddressLength, DWORD dwRemoteAddressLength, LPSOCKADDR* LocalSockaddr, LPINT LocalSockaddrLength, LPSOCKADDR* RemoteSockaddr, LPINT RemoteSockaddrLength); typedef BOOL (PASCAL *LPFN_DISCONNECTEX) (SOCKET hSocket, LPOVERLAPPED lpOverlapped, DWORD dwFlags, DWORD reserved); typedef BOOL (PASCAL *LPFN_TRANSMITFILE) (SOCKET hSocket, HANDLE hFile, DWORD nNumberOfBytesToWrite, DWORD nNumberOfBytesPerSend, LPOVERLAPPED lpOverlapped, LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers, DWORD dwFlags); typedef PVOID RTL_SRWLOCK; typedef RTL_SRWLOCK SRWLOCK, *PSRWLOCK; #endif typedef int (WSAAPI* LPFN_WSARECV) (SOCKET socket, LPWSABUF buffers, DWORD buffer_count, LPDWORD bytes, LPDWORD flags, LPWSAOVERLAPPED overlapped, LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); typedef int (WSAAPI* LPFN_WSARECVFROM) (SOCKET socket, LPWSABUF buffers, DWORD buffer_count, LPDWORD bytes, LPDWORD flags, struct sockaddr* addr, LPINT addr_len, LPWSAOVERLAPPED overlapped, LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); #ifndef _NTDEF_ typedef LONG NTSTATUS; typedef NTSTATUS *PNTSTATUS; #endif #ifndef RTL_CONDITION_VARIABLE_INIT typedef PVOID CONDITION_VARIABLE, *PCONDITION_VARIABLE; #endif typedef struct _AFD_POLL_HANDLE_INFO { HANDLE Handle; ULONG Events; NTSTATUS Status; } AFD_POLL_HANDLE_INFO, *PAFD_POLL_HANDLE_INFO; typedef struct _AFD_POLL_INFO { LARGE_INTEGER Timeout; ULONG NumberOfHandles; ULONG Exclusive; AFD_POLL_HANDLE_INFO Handles[1]; } AFD_POLL_INFO, *PAFD_POLL_INFO; #define UV_MSAFD_PROVIDER_COUNT 4 /** * It should be possible to cast uv_buf_t[] to WSABUF[] * see http://msdn.microsoft.com/en-us/library/ms741542(v=vs.85).aspx */ typedef struct uv_buf_t { ULONG len; char* base; } uv_buf_t; typedef int uv_file; typedef SOCKET uv_os_sock_t; typedef HANDLE uv_os_fd_t; typedef int uv_pid_t; typedef HANDLE uv_thread_t; typedef HANDLE uv_sem_t; typedef CRITICAL_SECTION uv_mutex_t; /* This condition variable implementation is based on the SetEvent solution * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html * We could not use the SignalObjectAndWait solution (section 3.4) because * it want the 2nd argument (type uv_mutex_t) of uv_cond_wait() and * uv_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs. */ typedef union { CONDITION_VARIABLE cond_var; struct { unsigned int waiters_count; CRITICAL_SECTION waiters_count_lock; HANDLE signal_event; HANDLE broadcast_event; } unused_; /* TODO: retained for ABI compatibility; remove me in v2.x. */ } uv_cond_t; typedef struct { SRWLOCK read_write_lock_; /* TODO: retained for ABI compatibility; remove me in v2.x */ #ifdef _WIN64 unsigned char padding_[72]; #else unsigned char padding_[44]; #endif } uv_rwlock_t; typedef struct { unsigned threshold; unsigned in; uv_mutex_t mutex; /* TODO: in v2 make this a uv_cond_t, without unused_ */ CONDITION_VARIABLE cond; unsigned out; } uv_barrier_t; typedef struct { DWORD tls_index; } uv_key_t; #define UV_ONCE_INIT { 0, NULL } typedef struct uv_once_s { unsigned char unused; INIT_ONCE init_once; } uv_once_t; /* Platform-specific definitions for uv_spawn support. */ typedef unsigned char uv_uid_t; typedef unsigned char uv_gid_t; typedef struct uv__dirent_s { int d_type; char d_name[1]; } uv__dirent_t; #define UV_DIR_PRIVATE_FIELDS \ HANDLE dir_handle; \ WIN32_FIND_DATAW find_data; \ BOOL need_find_call; #define HAVE_DIRENT_TYPES #define UV__DT_DIR UV_DIRENT_DIR #define UV__DT_FILE UV_DIRENT_FILE #define UV__DT_LINK UV_DIRENT_LINK #define UV__DT_FIFO UV_DIRENT_FIFO #define UV__DT_SOCKET UV_DIRENT_SOCKET #define UV__DT_CHAR UV_DIRENT_CHAR #define UV__DT_BLOCK UV_DIRENT_BLOCK /* Platform-specific definitions for uv_dlopen support. */ #define UV_DYNAMIC FAR WINAPI typedef struct { HMODULE handle; char* errmsg; } uv_lib_t; #define UV_LOOP_PRIVATE_FIELDS \ /* The loop's I/O completion port */ \ HANDLE iocp; \ /* The current time according to the event loop. in msecs. */ \ uint64_t time; \ /* Tail of a single-linked circular queue of pending reqs. If the queue */ \ /* is empty, tail_ is NULL. If there is only one item, */ \ /* tail_->next_req == tail_ */ \ uv_req_t* pending_reqs_tail; \ /* Head of a single-linked list of closed handles */ \ uv_handle_t* endgame_handles; \ /* TODO(bnoordhuis) Stop heap-allocating |timer_heap| in libuv v2.x. */ \ void* timer_heap; \ /* Lists of active loop (prepare / check / idle) watchers */ \ uv_prepare_t* prepare_handles; \ uv_check_t* check_handles; \ uv_idle_t* idle_handles; \ /* This pointer will refer to the prepare/check/idle handle whose */ \ /* callback is scheduled to be called next. This is needed to allow */ \ /* safe removal from one of the lists above while that list being */ \ /* iterated over. */ \ uv_prepare_t* next_prepare_handle; \ uv_check_t* next_check_handle; \ uv_idle_t* next_idle_handle; \ /* This handle holds the peer sockets for the fast variant of uv_poll_t */ \ SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT]; \ /* No longer used. */ \ unsigned int active_tcp_streams; \ /* No longer used. */ \ unsigned int active_udp_streams; \ /* Counter to started timer */ \ uint64_t timer_counter; \ /* Threadpool */ \ struct uv__queue wq; \ uv_mutex_t wq_mutex; \ uv_async_t wq_async; #define UV_REQ_TYPE_PRIVATE \ /* TODO: remove the req suffix */ \ UV_ACCEPT, \ UV_FS_EVENT_REQ, \ UV_POLL_REQ, \ UV_PROCESS_EXIT, \ UV_READ, \ UV_UDP_RECV, \ UV_WAKEUP, \ UV_SIGNAL_REQ, #define UV_REQ_PRIVATE_FIELDS \ union { \ /* Used by I/O operations */ \ struct { \ OVERLAPPED overlapped; \ size_t queued_bytes; \ } io; \ /* in v2, we can move these to the UV_CONNECT_PRIVATE_FIELDS */ \ struct { \ ULONG_PTR result; /* overlapped.Internal is reused to hold the result */\ HANDLE pipeHandle; \ DWORD duplex_flags; \ WCHAR* name; \ } connect; \ } u; \ struct uv_req_s* next_req; #define UV_WRITE_PRIVATE_FIELDS \ int coalesced; \ uv_buf_t write_buffer; \ HANDLE event_handle; \ HANDLE wait_handle; #define UV_CONNECT_PRIVATE_FIELDS \ /* empty */ #define UV_SHUTDOWN_PRIVATE_FIELDS \ /* empty */ #define UV_UDP_SEND_PRIVATE_FIELDS \ /* empty */ #define UV_PRIVATE_REQ_TYPES \ typedef struct uv_pipe_accept_s { \ UV_REQ_FIELDS \ HANDLE pipeHandle; \ struct uv_pipe_accept_s* next_pending; \ } uv_pipe_accept_t; \ \ typedef struct uv_tcp_accept_s { \ UV_REQ_FIELDS \ SOCKET accept_socket; \ char accept_buffer[sizeof(struct sockaddr_storage) * 2 + 32]; \ HANDLE event_handle; \ HANDLE wait_handle; \ struct uv_tcp_accept_s* next_pending; \ } uv_tcp_accept_t; \ \ typedef struct uv_read_s { \ UV_REQ_FIELDS \ HANDLE event_handle; \ HANDLE wait_handle; \ } uv_read_t; #define uv_stream_connection_fields \ unsigned int write_reqs_pending; \ uv_shutdown_t* shutdown_req; #define uv_stream_server_fields \ uv_connection_cb connection_cb; #define UV_STREAM_PRIVATE_FIELDS \ unsigned int reqs_pending; \ int activecnt; \ uv_read_t read_req; \ union { \ struct { uv_stream_connection_fields } conn; \ struct { uv_stream_server_fields } serv; \ } stream; #define uv_tcp_server_fields \ uv_tcp_accept_t* accept_reqs; \ unsigned int processed_accepts; \ uv_tcp_accept_t* pending_accepts; \ LPFN_ACCEPTEX func_acceptex; #define uv_tcp_connection_fields \ uv_buf_t read_buffer; \ LPFN_CONNECTEX func_connectex; #define UV_TCP_PRIVATE_FIELDS \ SOCKET socket; \ int delayed_error; \ union { \ struct { uv_tcp_server_fields } serv; \ struct { uv_tcp_connection_fields } conn; \ } tcp; #define UV_UDP_PRIVATE_FIELDS \ SOCKET socket; \ unsigned int reqs_pending; \ int activecnt; \ uv_req_t recv_req; \ uv_buf_t recv_buffer; \ struct sockaddr_storage recv_from; \ int recv_from_len; \ uv_udp_recv_cb recv_cb; \ uv_alloc_cb alloc_cb; \ LPFN_WSARECV func_wsarecv; \ LPFN_WSARECVFROM func_wsarecvfrom; #define uv_pipe_server_fields \ int pending_instances; \ uv_pipe_accept_t* accept_reqs; \ uv_pipe_accept_t* pending_accepts; #define uv_pipe_connection_fields \ uv_timer_t* eof_timer; \ uv_write_t dummy; /* TODO: retained for ABI compat; remove this in v2.x. */ \ DWORD ipc_remote_pid; \ union { \ uint32_t payload_remaining; \ uint64_t dummy; /* TODO: retained for ABI compat; remove this in v2.x. */ \ } ipc_data_frame; \ struct uv__queue ipc_xfer_queue; \ int ipc_xfer_queue_length; \ uv_write_t* non_overlapped_writes_tail; \ CRITICAL_SECTION readfile_thread_lock; \ volatile HANDLE readfile_thread_handle; #define UV_PIPE_PRIVATE_FIELDS \ HANDLE handle; \ WCHAR* name; \ union { \ struct { uv_pipe_server_fields } serv; \ struct { uv_pipe_connection_fields } conn; \ } pipe; /* TODO: put the parser states in a union - TTY handles are always half-duplex * so read-state can safely overlap write-state. */ #define UV_TTY_PRIVATE_FIELDS \ HANDLE handle; \ union { \ struct { \ /* Used for readable TTY handles */ \ union { \ /* TODO: remove me in v2.x. */ \ HANDLE unused_; \ int mode; \ } mode; \ uv_buf_t read_line_buffer; \ HANDLE read_raw_wait; \ /* Fields used for translating win keystrokes into vt100 characters */ \ char last_key[8]; \ unsigned char last_key_offset; \ unsigned char last_key_len; \ WCHAR last_utf16_high_surrogate; \ INPUT_RECORD last_input_record; \ } rd; \ struct { \ /* Used for writable TTY handles */ \ /* utf8-to-utf16 conversion state */ \ unsigned int utf8_codepoint; \ unsigned char utf8_bytes_left; \ /* eol conversion state */ \ unsigned char previous_eol; \ /* ansi parser state */ \ unsigned short ansi_parser_state; \ unsigned char ansi_csi_argc; \ unsigned short ansi_csi_argv[4]; \ COORD saved_position; \ WORD saved_attributes; \ } wr; \ } tty; #define UV_POLL_PRIVATE_FIELDS \ SOCKET socket; \ /* Used in fast mode */ \ SOCKET peer_socket; \ AFD_POLL_INFO afd_poll_info_1; \ AFD_POLL_INFO afd_poll_info_2; \ /* Used in fast and slow mode. */ \ uv_req_t poll_req_1; \ uv_req_t poll_req_2; \ unsigned char submitted_events_1; \ unsigned char submitted_events_2; \ unsigned char mask_events_1; \ unsigned char mask_events_2; \ unsigned char events; #define UV_TIMER_PRIVATE_FIELDS \ union { \ void* heap[3]; \ struct uv__queue queue; \ } node; \ int unused; \ uint64_t timeout; \ uint64_t repeat; \ uint64_t start_id; \ uv_timer_cb timer_cb; #define UV_ASYNC_PRIVATE_FIELDS \ struct uv_req_s async_req; \ uv_async_cb async_cb; \ /* char to avoid alignment issues */ \ char volatile async_sent; #define UV_PREPARE_PRIVATE_FIELDS \ uv_prepare_t* prepare_prev; \ uv_prepare_t* prepare_next; \ uv_prepare_cb prepare_cb; #define UV_CHECK_PRIVATE_FIELDS \ uv_check_t* check_prev; \ uv_check_t* check_next; \ uv_check_cb check_cb; #define UV_IDLE_PRIVATE_FIELDS \ uv_idle_t* idle_prev; \ uv_idle_t* idle_next; \ uv_idle_cb idle_cb; #define UV_HANDLE_PRIVATE_FIELDS \ uv_handle_t* endgame_next; \ unsigned int flags; #define UV_GETADDRINFO_PRIVATE_FIELDS \ struct uv__work work_req; \ uv_getaddrinfo_cb getaddrinfo_cb; \ void* alloc; \ WCHAR* node; \ WCHAR* service; \ /* The addrinfoW field is used to store a pointer to the hints, and */ \ /* later on to store the result of GetAddrInfoW. The final result will */ \ /* be converted to struct addrinfo* and stored in the addrinfo field. */ \ struct addrinfoW* addrinfow; \ struct addrinfo* addrinfo; \ int retcode; #define UV_GETNAMEINFO_PRIVATE_FIELDS \ struct uv__work work_req; \ uv_getnameinfo_cb getnameinfo_cb; \ struct sockaddr_storage storage; \ int flags; \ char host[NI_MAXHOST]; \ char service[NI_MAXSERV]; \ int retcode; #define UV_PROCESS_PRIVATE_FIELDS \ struct uv_process_exit_s { \ UV_REQ_FIELDS \ } exit_req; \ void* unused; /* TODO: retained for ABI compat; remove this in v2.x. */ \ int exit_signal; \ HANDLE wait_handle; \ HANDLE process_handle; \ volatile char exit_cb_pending; #define UV_FS_PRIVATE_FIELDS \ struct uv__work work_req; \ int flags; \ DWORD sys_errno_; \ union { \ /* TODO: remove me in 0.9. */ \ WCHAR* pathw; \ int fd; \ } file; \ union { \ struct { \ int mode; \ WCHAR* new_pathw; \ int file_flags; \ int fd_out; \ unsigned int nbufs; \ uv_buf_t* bufs; \ int64_t offset; \ uv_buf_t bufsml[4]; \ } info; \ struct { \ double atime; \ double mtime; \ } time; \ } fs; #define UV_WORK_PRIVATE_FIELDS \ struct uv__work work_req; #define UV_FS_EVENT_PRIVATE_FIELDS \ struct uv_fs_event_req_s { \ UV_REQ_FIELDS \ } req; \ HANDLE dir_handle; \ int req_pending; \ uv_fs_event_cb cb; \ WCHAR* filew; \ WCHAR* short_filew; \ WCHAR* dirw; \ char* buffer; #define UV_SIGNAL_PRIVATE_FIELDS \ RB_ENTRY(uv_signal_s) tree_entry; \ struct uv_req_s signal_req; \ unsigned long pending_signum; #ifndef F_OK #define F_OK 0 #endif #ifndef R_OK #define R_OK 4 #endif #ifndef W_OK #define W_OK 2 #endif #ifndef X_OK #define X_OK 1 #endif /* fs open() flags supported on this platform: */ #define UV_FS_O_APPEND _O_APPEND #define UV_FS_O_CREAT _O_CREAT #define UV_FS_O_EXCL _O_EXCL #define UV_FS_O_FILEMAP 0x20000000 #define UV_FS_O_RANDOM _O_RANDOM #define UV_FS_O_RDONLY _O_RDONLY #define UV_FS_O_RDWR _O_RDWR #define UV_FS_O_SEQUENTIAL _O_SEQUENTIAL #define UV_FS_O_SHORT_LIVED _O_SHORT_LIVED #define UV_FS_O_TEMPORARY _O_TEMPORARY #define UV_FS_O_TRUNC _O_TRUNC #define UV_FS_O_WRONLY _O_WRONLY /* fs open() flags supported on other platforms (or mapped on this platform): */ #define UV_FS_O_DIRECT 0x02000000 /* FILE_FLAG_NO_BUFFERING */ #define UV_FS_O_DIRECTORY 0 #define UV_FS_O_DSYNC 0x04000000 /* FILE_FLAG_WRITE_THROUGH */ #define UV_FS_O_EXLOCK 0x10000000 /* EXCLUSIVE SHARING MODE */ #define UV_FS_O_NOATIME 0 #define UV_FS_O_NOCTTY 0 #define UV_FS_O_NOFOLLOW 0 #define UV_FS_O_NONBLOCK 0 #define UV_FS_O_SYMLINK 0 #define UV_FS_O_SYNC 0x08000000 /* FILE_FLAG_WRITE_THROUGH */