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Diffstat (limited to 'm4/sched_yield.m4')
| -rw-r--r-- | m4/sched_yield.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/sched_yield.m4 b/m4/sched_yield.m4 new file mode 100644 index 0000000..a1cb91e --- /dev/null +++ b/m4/sched_yield.m4 @@ -0,0 +1,22 @@ +# sched_yield.m4 serial 2 +dnl Copyright (C) 2019-2023 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_SCHED_YIELD], +[ + AC_REQUIRE([gl_SCHED_H_DEFAULTS]) + AC_REQUIRE([gl_PTHREADLIB]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + if { case "$host_os" in mingw*) true;; *) false;; esac; } \ + && test $gl_threads_api = windows; then + dnl Choose function names that don't conflict with the mingw-w64 winpthreads + dnl library. + REPLACE_SCHED_YIELD=1 + else + AC_CHECK_DECL([sched_yield], , [HAVE_SCHED_YIELD=0], + [[#include <sched.h>]]) + fi +]) |