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-rw-r--r--ghc/rts/Capability.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/ghc/rts/Capability.c b/ghc/rts/Capability.c
index 1d789821c2..6d2f43c1f3 100644
--- a/ghc/rts/Capability.c
+++ b/ghc/rts/Capability.c
@@ -150,9 +150,7 @@ void grabCapability(Capability** cap)
free_capabilities = (*cap)->link;
rts_n_free_capabilities--;
#endif
-#ifdef RTS_SUPPORTS_THREADS
- IF_DEBUG(scheduler, sched_belch("worker: got capability"));
-#endif
+ IF_DEBUG(scheduler, sched_belch("worker: got capability"));
}
/*
@@ -362,6 +360,7 @@ passCapability(Mutex* pMutex, Capability* cap, Condition *pTargetThreadCond)
#ifdef SMP
#error SMP version not implemented
#endif
+ ASSERT(rts_n_free_capabilities == 0);
rts_n_free_capabilities = 1;
signalCondition(pTargetThreadCond);
passTarget = pTargetThreadCond;