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Diffstat (limited to 'nptl/tst-thread_local1.cc')
| -rw-r--r-- | nptl/tst-thread_local1.cc | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/nptl/tst-thread_local1.cc b/nptl/tst-thread_local1.cc deleted file mode 100644 index e8249d4401..0000000000 --- a/nptl/tst-thread_local1.cc +++ /dev/null @@ -1,199 +0,0 @@ -/* Test basic thread_local support. - Copyright (C) 2015-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include <stdio.h> -#include <string.h> - -#include <functional> -#include <string> -#include <thread> - -struct counter -{ - int constructed {}; - int destructed {}; - - void reset (); -}; - -void -counter::reset () -{ - constructed = 0; - destructed = 0; -} - -static std::string -to_string (const counter &c) -{ - char buf[128]; - snprintf (buf, sizeof (buf), "%d/%d", - c.constructed, c.destructed); - return buf; -} - -template <counter *Counter> -struct counting -{ - counting () __attribute__ ((noinline, noclone)); - ~counting () __attribute__ ((noinline, noclone)); - void operation () __attribute__ ((noinline, noclone)); -}; - -template<counter *Counter> -__attribute__ ((noinline, noclone)) -counting<Counter>::counting () -{ - ++Counter->constructed; -} - -template<counter *Counter> -__attribute__ ((noinline, noclone)) -counting<Counter>::~counting () -{ - ++Counter->destructed; -} - -template<counter *Counter> -void __attribute__ ((noinline, noclone)) -counting<Counter>::operation () -{ - // Optimization barrier. - asm (""); -} - -static counter counter_static; -static counter counter_anonymous_namespace; -static counter counter_extern; -static counter counter_function_local; -static bool errors (false); - -static std::string -all_counters () -{ - return to_string (counter_static) - + ' ' + to_string (counter_anonymous_namespace) - + ' ' + to_string (counter_extern) - + ' ' + to_string (counter_function_local); -} - -static void -check_counters (const char *name, const char *expected) -{ - std::string actual{all_counters ()}; - if (actual != expected) - { - printf ("error: %s: (%s) != (%s)\n", - name, actual.c_str (), expected); - errors = true; - } -} - -static void -reset_all () -{ - counter_static.reset (); - counter_anonymous_namespace.reset (); - counter_extern.reset (); - counter_function_local.reset (); -} - -static thread_local counting<&counter_static> counting_static; -namespace { - thread_local counting<&counter_anonymous_namespace> - counting_anonymous_namespace; -} -extern thread_local counting<&counter_extern> counting_extern; -thread_local counting<&counter_extern> counting_extern; - -static void * -thread_without_access (void *) -{ - return nullptr; -} - -static void * -thread_with_access (void *) -{ - thread_local counting<&counter_function_local> counting_function_local; - counting_function_local.operation (); - check_counters ("early in thread_with_access", "0/0 0/0 0/0 1/0"); - counting_static.operation (); - counting_anonymous_namespace.operation (); - counting_extern.operation (); - check_counters ("in thread_with_access", "1/0 1/0 1/0 1/0"); - return nullptr; -} - -static int -do_test (void) -{ - std::function<void (void *(void *))> do_pthread = - [](void *(func) (void *)) - { - pthread_t thr; - int ret = pthread_create (&thr, nullptr, func, nullptr); - if (ret != 0) - { - errno = ret; - printf ("error: pthread_create: %m\n"); - errors = true; - return; - } - ret = pthread_join (thr, nullptr); - if (ret != 0) - { - errno = ret; - printf ("error: pthread_join: %m\n"); - errors = true; - return; - } - }; - std::function<void (void *(void *))> do_std_thread = - [](void *(func) (void *)) - { - std::thread thr{[func] {func (nullptr);}}; - thr.join (); - }; - - std::array<std::pair<const char *, std::function<void (void *(void *))>>, 2> - do_thread_X - {{ - {"pthread_create", do_pthread}, - {"std::thread", do_std_thread}, - }}; - - for (auto do_thread : do_thread_X) - { - printf ("info: testing %s\n", do_thread.first); - check_counters ("initial", "0/0 0/0 0/0 0/0"); - do_thread.second (thread_without_access); - check_counters ("after thread_without_access", "0/0 0/0 0/0 0/0"); - reset_all (); - do_thread.second (thread_with_access); - check_counters ("after thread_with_access", "1/1 1/1 1/1 1/1"); - reset_all (); - } - - return errors; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |