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Shrestha/rewrite mutex #538

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ffa7c36
add mutex to rewrite pass
Jun 23, 2020
ed04e5c
Merge remote-tracking branch 'origin/master' into shrestha/rewrite_mutex
Jun 23, 2020
639794b
Merge branch 'master' into shrestha/rewrite_mutex
Jun 24, 2020
4a20ce4
Merge branch 'master' into shrestha/rewrite_mutex
Jun 24, 2020
9f4fdfc
Merge branch 'master' into shrestha/rewrite_mutex
Jun 24, 2020
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4 changes: 4 additions & 0 deletions ngraph_bridge/ngraph_rewrite_pass.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,12 @@ class NGraphRewritePass : public GraphOptimizationPass {

static int s_serial_counter GUARDED_BY(s_serial_counter_mutex);
static mutex s_serial_counter_mutex;
static mutex s_rewrite_mutex;
};

int NGraphRewritePass::s_serial_counter = 0;
mutex NGraphRewritePass::s_serial_counter_mutex;
mutex NGraphRewritePass::s_rewrite_mutex;

//
// Pass that rewrites the graph for nGraph operation.
Expand All @@ -86,6 +88,8 @@ mutex NGraphRewritePass::s_serial_counter_mutex;
class NGraphEncapsulationPass : public NGraphRewritePass {
public:
Status Run(const GraphOptimizationPassOptions& options) override {
mutex_lock l(s_rewrite_mutex);

// If we don't get a main graph, log that fact and bail.
if (options.graph == nullptr) {
NGRAPH_VLOG(0) << "NGraphEncapsulationPass: options.graph == nullptr";
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