diff options
Diffstat (limited to 'libcuda/cuda_runtime_api.cc')
| -rw-r--r-- | libcuda/cuda_runtime_api.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc index d971222..a45ed61 100644 --- a/libcuda/cuda_runtime_api.cc +++ b/libcuda/cuda_runtime_api.cc @@ -1157,6 +1157,26 @@ __host__ cudaError_t CUDARTAPI cudaStreamQuery(cudaStream_t stream) #endif } +__host__ cudaError_t CUDARTAPI cudaStreamWaitEvent(cudaStream_t stream, cudaEvent_t event, unsigned int flags) +{ + +#if (CUDART_VERSION >= 3000) + if( stream == NULL ) + return g_last_cudaError = cudaErrorInvalidResourceHandle; + return g_last_cudaError = stream->empty()?cudaSuccess:cudaErrorNotReady; +#else + printf("GPGPU-Sim API: cudaStreamWaitEvent ** waiting for event\n"); + fflush(stdout); + CUevent_st *e = (CUevent_st*) event; + while( !e->done() ) + ; + printf("GPGPU-Sim API: cudaStreamWaitEvent ** event detected\n"); + fflush(stdout); + printf("GPGPU-Sim PTX: WARNING: Asynchronous kernel execution not supported (%s)\n", __my_func__); + return g_last_cudaError = cudaSuccess; // it is always success because all cuda calls are synchronous +#endif +} + /******************************************************************************* * * * * |