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25 lines
815 B
Plaintext
25 lines
815 B
Plaintext
# sched_yield.m4
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# serial 3
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dnl Copyright (C) 2019-2026 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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AC_DEFUN([gl_FUNC_SCHED_YIELD],
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[
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AC_REQUIRE([gl_SCHED_H_DEFAULTS])
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AC_REQUIRE([gl_PTHREADLIB])
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AC_REQUIRE([AC_CANONICAL_HOST])
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if { case "$host_os" in mingw* | windows*) true;; *) false;; esac; } \
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&& test $gl_threads_api = windows; then
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dnl Choose function names that don't conflict with the mingw-w64 winpthreads
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dnl library.
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REPLACE_SCHED_YIELD=1
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else
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AC_CHECK_DECL([sched_yield], , [HAVE_SCHED_YIELD=0],
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[[#include <sched.h>]])
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fi
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])
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