diff options
Diffstat (limited to 'libusb-1.0/libusb/os/poll_windows.h')
| -rw-r--r-- | libusb-1.0/libusb/os/poll_windows.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/libusb-1.0/libusb/os/poll_windows.h b/libusb-1.0/libusb/os/poll_windows.h deleted file mode 100644 index 36e3915..0000000 --- a/libusb-1.0/libusb/os/poll_windows.h +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Windows compat: POSIX compatibility wrapper - * Copyright (C) 2009-2010 Pete Batard <pbatard@gmail.com> - * With contributions from Michael Plante, Orin Eman et al. - * Parts of poll implementation from libusb-win32, by Stephan Meyer et al. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ -#pragma once - -#if defined(_MSC_VER) -// disable /W4 MSVC warnings that are benign -#pragma warning(disable:4127) // conditional expression is constant -#endif - -// Uncomment to have poll return with EINTR as soon as a new transfer (fd) is added -// This should result in a LIBUSB_ERROR_INTERRUPTED being returned by libusb calls, -// which should give the app an opportunity to resubmit a new fd set. -//#define DYNAMIC_FDS - -// Handle synchronous completion through the overlapped structure -#if !defined(STATUS_REPARSE) // reuse the REPARSE status code -#define STATUS_REPARSE ((LONG)0x00000104L) -#endif -#define STATUS_COMPLETED_SYNCHRONOUSLY STATUS_REPARSE -#define HasOverlappedIoCompletedSync(lpOverlapped) (((DWORD)(lpOverlapped)->Internal) == STATUS_COMPLETED_SYNCHRONOUSLY) - -#define DUMMY_HANDLE ((HANDLE)(LONG_PTR)-2) - -enum windows_version { - WINDOWS_UNSUPPORTED, - WINDOWS_XP, - WINDOWS_2003, // also includes XP 64 - WINDOWS_VISTA_AND_LATER, -}; -extern enum windows_version windows_version; - -#define MAX_FDS 256 - -#define POLLIN 0x0001 /* There is data to read */ -#define POLLPRI 0x0002 /* There is urgent data to read */ -#define POLLOUT 0x0004 /* Writing now will not block */ -#define POLLERR 0x0008 /* Error condition */ -#define POLLHUP 0x0010 /* Hung up */ -#define POLLNVAL 0x0020 /* Invalid request: fd not open */ - -struct pollfd { - int fd; /* file descriptor */ - short events; /* requested events */ - short revents; /* returned events */ -}; - -typedef unsigned int nfds_t; - -// access modes -enum rw_type { - RW_NONE, - RW_READ, - RW_WRITE, -}; - -// fd struct that can be used for polling on Windows -struct winfd { - int fd; // what's exposed to libusb core - HANDLE handle; // what we need to attach overlapped to the I/O op, so we can poll it - OVERLAPPED* overlapped; // what will report our I/O status - enum rw_type rw; // I/O transfer direction: read *XOR* write (NOT BOTH) -}; -extern const struct winfd INVALID_WINFD; - -int usbi_pipe(int pipefd[2]); -int usbi_poll(struct pollfd *fds, unsigned int nfds, int timeout); -ssize_t usbi_write(int fd, const void *buf, size_t count); -ssize_t usbi_read(int fd, void *buf, size_t count); -int usbi_close(int fd); - -void init_polling(void); -void exit_polling(void); -struct winfd usbi_create_fd(HANDLE handle, int access_mode); -void usbi_free_fd(int fd); -struct winfd fd_to_winfd(int fd); -struct winfd handle_to_winfd(HANDLE handle); -struct winfd overlapped_to_winfd(OVERLAPPED* overlapped); - -/* - * Timeval operations - */ -#if defined(DDKBUILD) -#include <winsock.h> // defines timeval functions on DDK -#endif - -#if !defined(TIMESPEC_TO_TIMEVAL) -#define TIMESPEC_TO_TIMEVAL(tv, ts) { \ - (tv)->tv_sec = (long)(ts)->tv_sec; \ - (tv)->tv_usec = (long)(ts)->tv_nsec / 1000; \ -} -#endif -#if !defined(timersub) -#define timersub(a, b, result) \ -do { \ - (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ - (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ - if ((result)->tv_usec < 0) { \ - --(result)->tv_sec; \ - (result)->tv_usec += 1000000; \ - } \ -} while (0) -#endif - |