7.26. cudaExternalSemaphoreWaitParams_v1 结构体参考

[CUDA 运行时使用的数据类型]

外部信号量等待参数(已弃用)

公共变量

void * fence
cudaExternalSemaphoreWaitParams_v1::@18::@19  fence
unsigned int  flags
unsigned long long  key
cudaExternalSemaphoreWaitParams_v1::@18::@21  keyedMutex
unsigned int  timeoutMs
unsigned long long  value

变量

void * cudaExternalSemaphoreWaitParams_v1::fence [继承]

指向 NvSciSyncFence 的指针。如果 cudaExternalSemaphoreHandleType 的类型为 cudaExternalSemaphoreHandleTypeNvSciSync,则有效。

cudaExternalSemaphoreWaitParams_v1::@18::@19 cudaExternalSemaphoreWaitParams_v1::fence [继承]

fence 对象的参数

unsigned int cudaExternalSemaphoreWaitParams_v1::flags [继承]

仅当 cudaExternalSemaphoreSignalParams 用于发出类型为 cudaExternalSemaphoreHandleTypeNvSciSynccudaExternalSemaphore_t 信号时,有效标志为 cudaExternalSemaphoreSignalSkipNvSciBufMemSync:表示在等待 cudaExternalSemaphore_t 时,不应为任何作为 cudaExternalMemoryHandleTypeNvSciBuf 导入的外部内存对象执行任何内存同步操作。对于所有其他类型的 cudaExternalSemaphore_t,标志必须为零。

unsigned long long cudaExternalSemaphoreWaitParams_v1::key [继承]

用于获取互斥锁的键值

cudaExternalSemaphoreWaitParams_v1::@18::@21 cudaExternalSemaphoreWaitParams_v1::keyedMutex [继承]

键控互斥锁对象的参数

unsigned int cudaExternalSemaphoreWaitParams_v1::timeoutMs [继承]

等待获取互斥锁的超时时间,以毫秒为单位

unsigned long long cudaExternalSemaphoreWaitParams_v1::value [继承]

要等待的 fence 值