2 files changed, 7 insertions, 0 deletions
diff --git a/base/mac/scoped_mach_port.cc b/base/mac/scoped_mach_port.cc
index 652e3f4..9e45a85 100644
--- a/base/mac/scoped_mach_port.cc
+++ b/base/mac/scoped_mach_port.cc
@@ -11,9 +11,14 @@ ScopedMachPort::ScopedMachPort(mach_port_t port) : port_(port) {
 }
 
 ScopedMachPort::~ScopedMachPort() {
+  reset();
+}
+
+void ScopedMachPort::reset(mach_port_t port) {
   if (port_ != MACH_PORT_NULL) {
     mach_port_deallocate(mach_task_self(), port_);
   }
+  port_ = port;
 }
 
 }  // namespace mac
diff --git a/base/mac/scoped_mach_port.h b/base/mac/scoped_mach_port.h
index d2aa2f7..cc2ef20 100644
--- a/base/mac/scoped_mach_port.h
+++ b/base/mac/scoped_mach_port.h
@@ -22,6 +22,8 @@ class BASE_EXPORT ScopedMachPort {
 
   ~ScopedMachPort();
 
+  void reset(mach_port_t port = MACH_PORT_NULL);
+
   operator mach_port_t() const {
     return port_;
   }