Mercurial > hg > octave-shane > gnulib-hg
view lib/fsync.c @ 15727:144db791c6fa
Ensure EBADF returns for socket functions on mingw.
* lib/accept.c (rpl_accept): Fail with error EBADF if the file
descriptor is invalid.
* lib/bind.c (rpl_bind): Likewise.
* lib/connect.c (rpl_connect): Likewise.
* lib/getpeername.c (rpl_getpeername): Likewise.
* lib/getsockname.c (rpl_getsockname): Likewise.
* lib/getsockopt.c (rpl_getsockopt): Likewise.
* lib/listen.c (rpl_listen): Likewise.
* lib/recv.c (rpl_recv): Likewise.
* lib/recvfrom.c (rpl_recvfrom): Likewise.
* lib/send.c (rpl_send): Likewise.
* lib/sendto.c (rpl_sendto): Likewise.
* lib/setsockopt.c (rpl_setsockopt): Likewise.
* lib/shutdown.c (rpl_shutdown): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 21 Sep 2011 00:20:59 +0200 |
parents | 2330aac2ae54 |
children | b86e9061a6d0 |
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/* Emulate fsync on platforms that lack it, primarily Windows and cross-compilers like MinGW. This is derived from sqlite3 sources. http://www.sqlite.org/cvstrac/rlog?f=sqlite/src/os_win.c http://www.sqlite.org/copyright.html Written by Richard W.M. Jones <rjones.at.redhat.com> Copyright (C) 2008-2011 Free Software Foundation, Inc. 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 General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> #include <unistd.h> #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ /* _get_osfhandle */ # include <io.h> /* FlushFileBuffers */ # define WIN32_LEAN_AND_MEAN # include <windows.h> # include <errno.h> int fsync (int fd) { HANDLE h = (HANDLE) _get_osfhandle (fd); DWORD err; if (h == INVALID_HANDLE_VALUE) { errno = EBADF; return -1; } if (!FlushFileBuffers (h)) { /* Translate some Windows errors into rough approximations of Unix * errors. MSDN is useless as usual - in this case it doesn't * document the full range of errors. */ err = GetLastError (); switch (err) { /* eg. Trying to fsync a tty. */ case ERROR_INVALID_HANDLE: errno = EINVAL; break; default: errno = EIO; } return -1; } return 0; } #else /* !Windows */ # error "This platform lacks fsync function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib." #endif /* !Windows */