| # pthread-mutex.m4 | |
| # serial 4 | |
| dnl Copyright (C) 2019-2026 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 This file is offered as-is, without any warranty. | |
| AC_DEFUN([gl_PTHREAD_MUTEX], | |
| [ | |
| AC_REQUIRE([gl_PTHREAD_H]) | |
| AC_REQUIRE([AC_CANONICAL_HOST]) | |
| if { case "$host_os" in mingw* | windows*) 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_PTHREAD_MUTEX_INIT=1 | |
| REPLACE_PTHREAD_MUTEXATTR_INIT=1 | |
| REPLACE_PTHREAD_MUTEXATTR_GETTYPE=1 | |
| REPLACE_PTHREAD_MUTEXATTR_SETTYPE=1 | |
| REPLACE_PTHREAD_MUTEXATTR_GETROBUST=1 | |
| REPLACE_PTHREAD_MUTEXATTR_SETROBUST=1 | |
| REPLACE_PTHREAD_MUTEXATTR_DESTROY=1 | |
| REPLACE_PTHREAD_MUTEX_LOCK=1 | |
| REPLACE_PTHREAD_MUTEX_TRYLOCK=1 | |
| REPLACE_PTHREAD_MUTEX_TIMEDLOCK=1 | |
| REPLACE_PTHREAD_MUTEX_UNLOCK=1 | |
| REPLACE_PTHREAD_MUTEX_DESTROY=1 | |
| else | |
| if test $HAVE_PTHREAD_H = 0; then | |
| HAVE_PTHREAD_MUTEX_INIT=0 | |
| HAVE_PTHREAD_MUTEXATTR_INIT=0 | |
| HAVE_PTHREAD_MUTEXATTR_GETTYPE=0 | |
| HAVE_PTHREAD_MUTEXATTR_SETTYPE=0 | |
| HAVE_PTHREAD_MUTEXATTR_GETROBUST=0 | |
| HAVE_PTHREAD_MUTEXATTR_SETROBUST=0 | |
| HAVE_PTHREAD_MUTEXATTR_DESTROY=0 | |
| HAVE_PTHREAD_MUTEX_LOCK=0 | |
| HAVE_PTHREAD_MUTEX_TRYLOCK=0 | |
| dnl HAVE_PTHREAD_MUTEX_TIMEDLOCK is set in pthread_mutex_timedlock.m4. | |
| HAVE_PTHREAD_MUTEX_UNLOCK=0 | |
| HAVE_PTHREAD_MUTEX_DESTROY=0 | |
| else | |
| AC_CACHE_CHECK([for pthread_mutexattr_getrobust], | |
| [gl_cv_func_pthread_mutexattr_getrobust], | |
| [saved_LIBS="$LIBS" | |
| LIBS="$LIBS $LIBPMULTITHREAD" | |
| AC_LINK_IFELSE( | |
| [AC_LANG_SOURCE( | |
| [[extern | |
| #ifdef __cplusplus | |
| "C" | |
| #endif | |
| int pthread_mutexattr_getrobust (void); | |
| int main () | |
| { | |
| return pthread_mutexattr_getrobust (); | |
| } | |
| ]])], | |
| [gl_cv_func_pthread_mutexattr_getrobust=yes], | |
| [gl_cv_func_pthread_mutexattr_getrobust=no]) | |
| LIBS="$saved_LIBS" | |
| ]) | |
| if test $gl_cv_func_pthread_mutexattr_getrobust = no; then | |
| HAVE_PTHREAD_MUTEXATTR_GETROBUST=0 | |
| HAVE_PTHREAD_MUTEXATTR_SETROBUST=0 | |
| AC_DEFINE([PTHREAD_MUTEXATTR_ROBUST_UNIMPLEMENTED], [1], | |
| [Define if the 'robust' attribute of pthread_mutex* doesn't exist.]) | |
| fi | |
| fi | |
| fi | |
| ]) |