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use crate::common::CudaDriverFns;
use cuda_types::*;
use std::{mem, ptr};
mod common;
cuda_driver_test!(primary_context);
unsafe fn primary_context<T: CudaDriverFns>(cuda: T) {
assert_eq!(cuda.cuInit(0), CUresult::CUDA_SUCCESS);
let mut flags = 0;
let mut active = 0;
assert_eq!(
cuda.cuDevicePrimaryCtxGetState(CUdevice_v1(0), &mut flags, &mut active),
CUresult::CUDA_SUCCESS
);
assert_eq!((0, 0), (flags, active));
assert_eq!(
cuda.cuDevicePrimaryCtxSetFlags_v2(CUdevice_v1(0), 1),
CUresult::CUDA_SUCCESS
);
let mut primary_ctx = ptr::null_mut();
assert_eq!(
cuda.cuDevicePrimaryCtxRetain(&mut primary_ctx, CUdevice_v1(0)),
CUresult::CUDA_SUCCESS
);
assert_ne!(primary_ctx, ptr::null_mut());
let mut active_ctx = ptr::null_mut();
assert_eq!(
cuda.cuCtxGetCurrent(&mut active_ctx),
CUresult::CUDA_SUCCESS
);
assert_ne!(primary_ctx, active_ctx);
assert_eq!(
cuda.cuDevicePrimaryCtxGetState(CUdevice_v1(0), &mut flags, &mut active),
CUresult::CUDA_SUCCESS
);
assert_eq!((1, 1), (flags, active));
let mut buffer = mem::zeroed();
assert_eq!(
cuda.cuCtxPushCurrent_v2(primary_ctx),
CUresult::CUDA_SUCCESS
);
assert_eq!(cuda.cuMemAlloc_v2(&mut buffer, 4), CUresult::CUDA_SUCCESS);
assert_eq!(
cuda.cuDevicePrimaryCtxRelease_v2(CUdevice_v1(0)),
CUresult::CUDA_SUCCESS
);
assert_eq!(
cuda.cuDevicePrimaryCtxGetState(CUdevice_v1(0), &mut flags, &mut active),
CUresult::CUDA_SUCCESS
);
assert_ne!(
cuda.cuDevicePrimaryCtxRelease_v2(CUdevice_v1(0)),
CUresult::CUDA_SUCCESS
);
assert_eq!((0, 0), (flags, active));
// Already freed on context destruction
// TODO: reenable when we start tracking allocations inside context
//assert_ne!(cuda.cuMemFree_v2(buffer), CUresult::CUDA_SUCCESS);
assert_eq!(
cuda.cuDevicePrimaryCtxReset_v2(CUdevice_v1(0)),
CUresult::CUDA_SUCCESS
);
}
|
