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N3189 Observers for the three handler functions

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120712 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2010-12-02 16:45:21 +00:00
parent 7de47902d0
commit a445151f4a
8 changed files with 120 additions and 9 deletions
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20
src/exception.cpp
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@@ -26,9 +26,13 @@
std::unexpected_handler
std::set_unexpected(std::unexpected_handler func) throw()
{
std::terminate_handler old = __unexpected_handler;
__unexpected_handler = func;
return old;
return __sync_lock_test_and_set(&__unexpected_handler, func);
}
std::unexpected_handler
std::get_unexpected() throw()
{
return __sync_fetch_and_add(&__unexpected_handler, (std::unexpected_handler)0);
}
void
@@ -42,9 +46,13 @@ std::unexpected()
std::terminate_handler
std::set_terminate(std::terminate_handler func) throw()
{
std::terminate_handler old = __terminate_handler;
__terminate_handler = func;
return old;
return __sync_lock_test_and_set(&__terminate_handler, func);
}
std::terminate_handler
std::get_terminate() throw()
{
return __sync_fetch_and_add(&__terminate_handler, (std::terminate_handler)0);
}
void