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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/testcore/tlsmod/tlsmod.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2019 */
/* [+] 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 __TLSMOD_TLSMOD_H
#define __TLSMOD_TLSMOD_H
#include <cxxtest/TestSuite.H>
#include <sys/task.h>
#include "nontrivialctor.H"
namespace __tls_test
{
// @note: See src/usr/testcore/lib/tls.H for API definition
void spawnTasks(
const char* const i_pFnName,
void*(*i_pFn)(void*));
extern const size_t FOOBAR_INIT_VALUE;
extern const size_t FOOBAR_POST_VALUE;
extern thread_local size_t foobar;
extern thread_local NonTrivialCtor foobar_object;
size_t foobarInitValue();
size_t foobarPostValue();
void test_tls_call_other_module_producer();
void test_tls_call_other_module_consumer();
/***
* @brief Test to consume a TLS var from a different library
*/
void* test_tls_module_cons(void* unused)
{
TS_INFO(ENTER_MRK "test_tls_module_cons");
do {
decltype(foobar) rc = foobar;
if(rc != foobarInitValue())
{
TS_FAIL("test_tls_module_cons: bad initial value; "
"expected 0x%016llX but got 0x%016llX",
foobarInitValue(),rc);
break;
}
task_yield();
foobar++;
task_yield();
rc = foobar;
if(rc != foobarPostValue())
{
TS_FAIL("test_tls_module_cons: bad post value; "
"expected 0x%016llX but got 0x%016llX",
foobarPostValue(),rc);
break;
}
} while(0);
TS_INFO(EXIT_MRK "test_tls_module_cons");
return nullptr;
}
/***
* @brief Test to consume a TLS var from same library
*/
void* test_tls_module_prod(void* unused)
{
TS_INFO(ENTER_MRK "test_tls_module_prod");
do {
char* const thebytes = foobar_object.c_str();
if(strcmp(thebytes,NonTrivialCtor::INIT_VALUE)!=0)
{
TS_FAIL("test_tls_module_prod: bad initial value; "
"expected %s but got %s", foobar_object.INIT_VALUE, thebytes);
break;
}
task_yield();
thebytes[0]++;
task_yield();
if(strcmp(thebytes,NonTrivialCtor::POST_VALUE)!=0)
{
TS_FAIL("test_tls_module_prod: bad post value; "
"expected %s but got %s", foobar_object.POST_VALUE, thebytes);
break;
}
} while(0);
TS_INFO(EXIT_MRK "test_tls_module_prod");
return nullptr;
}
}; // End __tls_test namespace
// Test TLS between modules
class LibcTlsTestMod : public CxxTest::TestSuite
{
public:
/**
* @brief Test TLS var where local library accesses a var in another
* library, then call into that other library where it will access
* that same var locally.
*/
void testTlsConsumerFirst()
{
TS_INFO(ENTER_MRK "testTlsConsumerFirst");
__tls_test::spawnTasks("testTlsConsumerFirst",
__tls_test::test_tls_module_cons);
TS_INFO(EXIT_MRK "testTlsConsumerFirst");
__tls_test::test_tls_call_other_module_producer();
}
/**
* @brief Test TLS var where the var is accessed from the local library,
* then call into a different library and have it access the same var
* from this library.
*/
void testTlsProducerFirst()
{
TS_INFO(ENTER_MRK "testTlsProducerFirst");
__tls_test::spawnTasks("testTlsProducerFirst",
__tls_test::test_tls_module_prod);
TS_INFO(EXIT_MRK "testTlsProducerFirst");
__tls_test::test_tls_call_other_module_consumer();
}
};
#endif // End __TLSMOD_TLSMOD_H
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