From e0023883c6d2e6745a19e4b48e186ed156c1fca8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:19:27 +0200 Subject: Adding upstream version 2.11.2. Signed-off-by: Daniel Baumann --- gl/m4/nonblocking.m4 | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 gl/m4/nonblocking.m4 (limited to 'gl/m4/nonblocking.m4') diff --git a/gl/m4/nonblocking.m4 b/gl/m4/nonblocking.m4 new file mode 100644 index 0000000..b9d2325 --- /dev/null +++ b/gl/m4/nonblocking.m4 @@ -0,0 +1,29 @@ +# nonblocking.m4 serial 3 +dnl Copyright (C) 2011-2022 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. + +dnl Tests whether non-blocking I/O is natively supported by read(), write(). +dnl Sets gl_cv_have_nonblocking. +dnl Also tests whether open() supports O_NONBLOCK. +dnl Sets gl_cv_have_open_O_NONBLOCK. +AC_DEFUN([gl_NONBLOCKING_IO], +[ + dnl Ensure to expand the default settings once only, before all statements + dnl that occur in other macros. + AC_REQUIRE([gl_NONBLOCKING_IO_BODY]) +]) + +AC_DEFUN([gl_NONBLOCKING_IO_BODY], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw*) gl_cv_have_nonblocking=no ;; + *) gl_cv_have_nonblocking=yes ;; + esac + case "$host_os" in + mingw*) gl_cv_have_open_O_NONBLOCK=no ;; + *) gl_cv_have_open_O_NONBLOCK=yes ;; + esac +]) -- cgit v1.2.3