73 lines
2.6 KiB
Text
73 lines
2.6 KiB
Text
# pthread-mutex.m4
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# serial 4
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dnl Copyright (C) 2019-2025 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_PTHREAD_MUTEX],
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[
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AC_REQUIRE([gl_PTHREAD_H])
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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_PTHREAD_MUTEX_INIT=1
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REPLACE_PTHREAD_MUTEXATTR_INIT=1
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REPLACE_PTHREAD_MUTEXATTR_GETTYPE=1
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REPLACE_PTHREAD_MUTEXATTR_SETTYPE=1
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REPLACE_PTHREAD_MUTEXATTR_GETROBUST=1
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REPLACE_PTHREAD_MUTEXATTR_SETROBUST=1
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REPLACE_PTHREAD_MUTEXATTR_DESTROY=1
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REPLACE_PTHREAD_MUTEX_LOCK=1
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REPLACE_PTHREAD_MUTEX_TRYLOCK=1
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REPLACE_PTHREAD_MUTEX_TIMEDLOCK=1
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REPLACE_PTHREAD_MUTEX_UNLOCK=1
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REPLACE_PTHREAD_MUTEX_DESTROY=1
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else
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if test $HAVE_PTHREAD_H = 0; then
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HAVE_PTHREAD_MUTEX_INIT=0
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HAVE_PTHREAD_MUTEXATTR_INIT=0
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HAVE_PTHREAD_MUTEXATTR_GETTYPE=0
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HAVE_PTHREAD_MUTEXATTR_SETTYPE=0
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HAVE_PTHREAD_MUTEXATTR_GETROBUST=0
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HAVE_PTHREAD_MUTEXATTR_SETROBUST=0
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HAVE_PTHREAD_MUTEXATTR_DESTROY=0
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HAVE_PTHREAD_MUTEX_LOCK=0
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HAVE_PTHREAD_MUTEX_TRYLOCK=0
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dnl HAVE_PTHREAD_MUTEX_TIMEDLOCK is set in pthread_mutex_timedlock.m4.
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HAVE_PTHREAD_MUTEX_UNLOCK=0
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HAVE_PTHREAD_MUTEX_DESTROY=0
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else
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AC_CACHE_CHECK([for pthread_mutexattr_getrobust],
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[gl_cv_func_pthread_mutexattr_getrobust],
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[saved_LIBS="$LIBS"
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LIBS="$LIBS $LIBPMULTITHREAD"
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AC_LINK_IFELSE(
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[AC_LANG_SOURCE(
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[[extern
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#ifdef __cplusplus
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"C"
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#endif
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int pthread_mutexattr_getrobust (void);
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int main ()
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{
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return pthread_mutexattr_getrobust ();
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}
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]])],
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[gl_cv_func_pthread_mutexattr_getrobust=yes],
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[gl_cv_func_pthread_mutexattr_getrobust=no])
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LIBS="$saved_LIBS"
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])
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if test $gl_cv_func_pthread_mutexattr_getrobust = no; then
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HAVE_PTHREAD_MUTEXATTR_GETROBUST=0
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HAVE_PTHREAD_MUTEXATTR_SETROBUST=0
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AC_DEFINE([PTHREAD_MUTEXATTR_ROBUST_UNIMPLEMENTED], [1],
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[Define if the 'robust' attribute of pthread_mutex* doesn't exist.])
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fi
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fi
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fi
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])
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