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-rw-r--r--libports/interrupt-operation.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libports/interrupt-operation.c b/libports/interrupt-operation.c
index 1545f788..19c0edf6 100644
--- a/libports/interrupt-operation.c
+++ b/libports/interrupt-operation.c
@@ -30,10 +30,10 @@ ports_S_interrupt_operation (mach_port_t port,
struct port_info *pi = ports_lookup_port (0, port, 0);
if (!pi)
return EOPNOTSUPP;
- mutex_lock (&_ports_lock);
+ pthread_mutex_lock (&_ports_lock);
if (pi->cancel_threshold < seqno)
pi->cancel_threshold = seqno;
- mutex_unlock (&_ports_lock);
+ pthread_mutex_unlock (&_ports_lock);
ports_interrupt_rpcs (pi);
ports_port_deref (pi);
return 0;