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Added dlerror() error message to log.

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This can provide more information when libneuralnetworks.so cannot be loaded successfully.

PiperOrigin-RevId: 336185850
Change-Id: I3cd03e2d96ff1eb216e89346f7e0186fd231cee5
This commit is contained in:
A. Unique TensorFlower 2020-10-08 16:16:17 -07:00 committed by TensorFlower Gardener
parent b071d687ad
commit 976ed7aa4a
1 changed files with 7 additions and 2 deletions
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9
tensorflow/lite/nnapi/nnapi_implementation.cc
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@ -146,9 +146,14 @@ const NnApi LoadNnApi() {
void* libneuralnetworks = nullptr;
// TODO(b/123243014): change RTLD_LOCAL? Assumes there can be multiple
// instances of nn api RT
libneuralnetworks = dlopen("libneuralnetworks.so", RTLD_LAZY | RTLD_LOCAL);
static const char nnapi_library_name[] = "libneuralnetworks.so";
libneuralnetworks = dlopen(nnapi_library_name, RTLD_LAZY | RTLD_LOCAL);
if (libneuralnetworks == nullptr) {
NNAPI_LOG("nnapi error: unable to open library %s", "libneuralnetworks.so");
const char* error = dlerror();
if (error) {
NNAPI_LOG("%s\n", error);
}
NNAPI_LOG("nnapi error: unable to open library %s", nnapi_library_name);
}
nnapi.nnapi_exists = libneuralnetworks != nullptr;