diff options
Diffstat (limited to 'src/usr/testcore/lib/tls.H')
-rw-r--r-- | src/usr/testcore/lib/tls.H | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/usr/testcore/lib/tls.H b/src/usr/testcore/lib/tls.H new file mode 100644 index 000000000..84f7906a0 --- /dev/null +++ b/src/usr/testcore/lib/tls.H @@ -0,0 +1,75 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/testcore/lib/tls.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __LIB_TLS_H +#define __LIB_TLS_H + +#include <cxxtest/TestSuite.H> +#include <sys/task.h> + +namespace __tls_test +{ + thread_local size_t foobar = 0xabcd1234; + + void* test_tls(void* unused) + { + decltype(foobar) rc; + + rc = foobar; + if(rc != 0xabcd1234) + { + TS_FAIL("TLS not initialized correctly: %ld", rc); + } + + task_yield(); + + foobar++; + + task_yield(); + + rc = foobar; + if(rc != 0xabcd1235) + { + TS_FAIL("TLS increment not operating correctly: %ld", rc); + } + + return nullptr; + } +}; + +class LibcTlsTest : public CxxTest::TestSuite +{ + public: + void testTls() + { + auto t1 = task_create(__tls_test::test_tls, nullptr); + auto t2 = task_create(__tls_test::test_tls, nullptr); + auto t3 = task_create(__tls_test::test_tls, nullptr); + task_wait_tid(t1, nullptr, nullptr); + task_wait_tid(t2, nullptr, nullptr); + task_wait_tid(t3, nullptr, nullptr); + } + +}; +#endif |