1 # pthread-mutex.m4 serial 3
2 dnl Copyright (C) 2019-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_PTHREAD_MUTEX],
9 AC_REQUIRE([gl_PTHREAD_H])
10 AC_REQUIRE([AC_CANONICAL_HOST])
12 if { case "$host_os" in mingw*) true;; *) false;; esac; } \
13 && test $gl_threads_api = windows; then
14 dnl Choose function names that don't conflict with the mingw-w64 winpthreads
16 REPLACE_PTHREAD_MUTEX_INIT=1
17 REPLACE_PTHREAD_MUTEXATTR_INIT=1
18 REPLACE_PTHREAD_MUTEXATTR_GETTYPE=1
19 REPLACE_PTHREAD_MUTEXATTR_SETTYPE=1
20 REPLACE_PTHREAD_MUTEXATTR_GETROBUST=1
21 REPLACE_PTHREAD_MUTEXATTR_SETROBUST=1
22 REPLACE_PTHREAD_MUTEXATTR_DESTROY=1
23 REPLACE_PTHREAD_MUTEX_LOCK=1
24 REPLACE_PTHREAD_MUTEX_TRYLOCK=1
25 REPLACE_PTHREAD_MUTEX_TIMEDLOCK=1
26 REPLACE_PTHREAD_MUTEX_UNLOCK=1
27 REPLACE_PTHREAD_MUTEX_DESTROY=1
29 if test $HAVE_PTHREAD_H = 0; then
30 HAVE_PTHREAD_MUTEX_INIT=0
31 HAVE_PTHREAD_MUTEXATTR_INIT=0
32 HAVE_PTHREAD_MUTEXATTR_GETTYPE=0
33 HAVE_PTHREAD_MUTEXATTR_SETTYPE=0
34 HAVE_PTHREAD_MUTEXATTR_GETROBUST=0
35 HAVE_PTHREAD_MUTEXATTR_SETROBUST=0
36 HAVE_PTHREAD_MUTEXATTR_DESTROY=0
37 HAVE_PTHREAD_MUTEX_LOCK=0
38 HAVE_PTHREAD_MUTEX_TRYLOCK=0
39 dnl HAVE_PTHREAD_MUTEX_TIMEDLOCK is set in pthread_mutex_timedlock.m4.
40 HAVE_PTHREAD_MUTEX_UNLOCK=0
41 HAVE_PTHREAD_MUTEX_DESTROY=0
43 AC_CACHE_CHECK([for pthread_mutexattr_getrobust],
44 [gl_cv_func_pthread_mutexattr_getrobust],
46 LIBS="$LIBS $LIBPMULTITHREAD"
53 int pthread_mutexattr_getrobust (void);
56 return pthread_mutexattr_getrobust ();
59 [gl_cv_func_pthread_mutexattr_getrobust=yes],
60 [gl_cv_func_pthread_mutexattr_getrobust=no])
63 if test $gl_cv_func_pthread_mutexattr_getrobust = no; then
64 HAVE_PTHREAD_MUTEXATTR_GETROBUST=0
65 HAVE_PTHREAD_MUTEXATTR_SETROBUST=0
66 AC_DEFINE([PTHREAD_MUTEXATTR_ROBUST_UNIMPLEMENTED], [1],
67 [Define if the 'robust' attribute of pthread_mutex* doesn't exist.])