| # close.m4 serial 8 |
| dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| AC_DEFUN([gl_FUNC_CLOSE], |
| [ |
| AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) |
| AC_REQUIRE([gl_MSVC_INVAL]) |
| if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then |
| REPLACE_CLOSE=1 |
| fi |
| m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [ |
| gl_PREREQ_SYS_H_WINSOCK2 |
| if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then |
| dnl Even if the 'socket' module is not used here, another part of the |
| dnl application may use it and pass file descriptors that refer to |
| dnl sockets to the close() function. So enable the support for sockets. |
| REPLACE_CLOSE=1 |
| fi |
| ]) |
| dnl Replace close() for supporting the gnulib-defined fchdir() function, |
| dnl to keep fchdir's bookkeeping up-to-date. |
| m4_ifdef([gl_FUNC_FCHDIR], [ |
| if test $REPLACE_CLOSE = 0; then |
| gl_TEST_FCHDIR |
| if test $HAVE_FCHDIR = 0; then |
| REPLACE_CLOSE=1 |
| fi |
| fi |
| ]) |
| ]) |
