75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/* close replacement.
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Copyright (C) 2008-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <unistd.h>
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#include <errno.h>
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#include "fd-hook.h"
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#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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# include "msvc-inval.h"
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#endif
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#undef close
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#if defined _WIN32 && !defined __CYGWIN__
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# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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static int
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close_nothrow (int fd)
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{
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int result;
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TRY_MSVC_INVAL
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{
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result = _close (fd);
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}
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CATCH_MSVC_INVAL
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{
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result = -1;
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errno = EBADF;
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}
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DONE_MSVC_INVAL;
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return result;
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}
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# else
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# define close_nothrow _close
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# endif
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#else
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# define close_nothrow close
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#endif
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/* Override close() to call into other gnulib modules. */
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int
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rpl_close (int fd)
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{
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#if WINDOWS_SOCKETS
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int retval = execute_all_close_hooks (close_nothrow, fd);
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#else
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int retval = close_nothrow (fd);
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#endif
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#if REPLACE_FCHDIR
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if (retval >= 0)
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_gl_unregister_fd (fd);
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#endif
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return retval;
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}
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