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//===-------------------- test_exception_storage.cpp ----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstdlib>
#include <algorithm>
#include <iostream>
#include <__threading_support>
#include <unistd.h>
#include "../src/cxa_exception.h"
typedef __cxxabiv1::__cxa_eh_globals globals_t ;
void *thread_code (void *parm) {
size_t *result = (size_t *) parm;
globals_t *glob1, *glob2;
glob1 = __cxxabiv1::__cxa_get_globals ();
if ( NULL == glob1 )
std::cerr << "Got null result from __cxa_get_globals" << std::endl;
glob2 = __cxxabiv1::__cxa_get_globals_fast ();
if ( glob1 != glob2 )
std::cerr << "Got different globals!" << std::endl;
*result = (size_t) glob1;
sleep ( 1 );
return parm;
}
#ifndef _LIBCXXABI_HAS_NO_THREADS
#define NUMTHREADS 10
size_t thread_globals [ NUMTHREADS ] = { 0 };
std::__libcpp_thread_t threads [ NUMTHREADS ];
#endif
int main () {
int retVal = 0;
#ifndef _LIBCXXABI_HAS_NO_THREADS
// Make the threads, let them run, and wait for them to finish
for ( int i = 0; i < NUMTHREADS; ++i )
std::__libcpp_thread_create ( threads + i, thread_code, (void *) (thread_globals + i));
for ( int i = 0; i < NUMTHREADS; ++i )
std::__libcpp_thread_join ( &threads [ i ] );
for ( int i = 0; i < NUMTHREADS; ++i )
if ( 0 == thread_globals [ i ] ) {
std::cerr << "Thread #" << i << " had a zero global" << std::endl;
retVal = 1;
}
std::sort ( thread_globals, thread_globals + NUMTHREADS );
for ( int i = 1; i < NUMTHREADS; ++i )
if ( thread_globals [ i - 1 ] == thread_globals [ i ] ) {
std::cerr << "Duplicate thread globals (" << i-1 << " and " << i << ")" << std::endl;
retVal = 2;
}
#else // _LIBCXXABI_HAS_NO_THREADS
size_t thread_globals;
// Check that __cxa_get_globals() is not NULL.
if (thread_code(&thread_globals) == 0) {
retVal = 1;
}
#endif // !_LIBCXXABI_HAS_NO_THREADS
return retVal;
}
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