StgWeak_finalizer(w) = R3;
StgWeak_cfinalizer(w) = stg_NO_FINALIZER_closure;
+ ACQUIRE_LOCK(sm_mutex);
StgWeak_link(w) = W_[weak_ptr_list];
W_[weak_ptr_list] = w;
+ RELEASE_LOCK(sm_mutex);
IF_DEBUG(weak, foreign "C" debugBelch(stg_weak_msg,w) []);
StgWeak_finalizer(w) = stg_NO_FINALIZER_closure;
StgWeak_cfinalizer(w) = p;
+ ACQUIRE_LOCK(sm_mutex);
StgWeak_link(w) = W_[weak_ptr_list];
W_[weak_ptr_list] = w;
+ RELEASE_LOCK(sm_mutex);
IF_DEBUG(weak, foreign "C" debugBelch(stg_weak_msg,w) []);
{
W_ msg;
msg = R1;
+
#if defined(TRACING) || defined(DEBUG)
+
foreign "C" traceUserMsg(MyCapability() "ptr", msg "ptr") [];
+
+#elif defined(DTRACE)
+
+ W_ enabled;
+
+ // We should go through the macro HASKELLEVENT_USER_MSG_ENABLED from
+ // RtsProbes.h, but that header file includes unistd.h, which doesn't
+ // work in Cmm
+ (enabled) = foreign "C" __dtrace_isenabled$HaskellEvent$user__msg$v1() [];
+ if (enabled != 0) {
+ foreign "C" dtraceUserMsgWrapper(MyCapability() "ptr", msg "ptr") [];
+ }
+
#endif
jump %ENTRY_CODE(Sp(0));
}