| //===-------------------- test_exception_storage.cpp ----------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../src/config.h" |
| |
| #include <cstdlib> |
| #include <algorithm> |
| #include <iostream> |
| #include <__threading_support> |
| #include <unistd.h> |
| |
| #include "../src/cxa_exception.hpp" |
| |
| 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; |
| } |