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tsan: remove dead code 

llvm-svn: 219779
This commit is contained in:
Dmitry Vyukov 2014-10-15 05:38:49 +00:00
parent f179420c57
commit f03e719f23
1 changed files with 0 additions and 60 deletions
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60
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
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@ -284,66 +284,6 @@ TSAN_INTERCEPTOR(int, nanosleep, void *req, void *rem) {
return res;
}
/*
class AtExitContext {
public:
AtExitContext()
: mtx_(MutexTypeAtExit, StatMtxAtExit)
, stack_(MBlockAtExit) {
}
typedef void(*atexit_cb_t)();
int atexit(ThreadState *thr, uptr pc, bool is_on_exit,
atexit_cb_t f, void *arg, void *dso) {
Lock l(&mtx_);
Release(thr, pc, (uptr)this);
atexit_t *a = stack_.PushBack();
a->cb = f;
a->arg = arg;
a->dso = dso;
a->is_on_exit = is_on_exit;
return 0;
}
void exit(ThreadState *thr, uptr pc) {
for (;;) {
atexit_t a = {};
{
Lock l(&mtx_);
if (stack_.Size() != 0) {
a = stack_[stack_.Size() - 1];
stack_.PopBack();
Acquire(thr, pc, (uptr)this);
}
}
if (a.cb == 0)
break;
VPrintf(2, "#%d: executing atexit func %p(%p) dso=%p\n",
thr->tid, a.cb, a.arg, a.dso);
if (a.is_on_exit)
((void(*)(int status, void *arg))a.cb)(0, a.arg);
else
((void(*)(void *arg, void *dso))a.cb)(a.arg, a.dso);
}
}
private:
struct atexit_t {
atexit_cb_t cb;
void *arg;
void *dso;
bool is_on_exit;
};
static const int kMaxAtExit = 1024;
Mutex mtx_;
Vector<atexit_t> stack_;
};
static AtExitContext *atexit_ctx;
*/
// The sole reason tsan wraps atexit callbacks is to establish synchronization
// between callback setup and callback execution.
struct AtExitCtx {