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rocm-systems/projects/rccl/ext-profiler/example/queue.h
T

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C++

/*************************************************************************
* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
*
* See LICENSE.txt for license information
************************************************************************/
#ifndef QUEUE_H
#define QUEUE_H
template<typename T, T *T::*next>
struct profilerQueue {
T *head, *tail;
};
template<typename T, T *T::*next>
inline void profilerQueueConstruct(profilerQueue<T,next> *me) {
me->head = nullptr;
me->tail = nullptr;
}
template<typename T, T *T::*next>
inline bool profilerQueueEmpty(profilerQueue<T,next> *me) {
return me->head == nullptr;
}
template<typename T, T *T::*next>
inline T* profilerQueueHead(profilerQueue<T,next> *me) {
return me->head;
}
template<typename T, T *T::*next>
inline T* profilerQueueTail(profilerQueue<T,next> *me) {
return me->tail;
}
template<typename T, T *T::*next>
inline void profilerQueueEnqueue(profilerQueue<T,next> *me, T *x) {
x->*next = nullptr;
(me->head ? me->tail->*next : me->head) = x;
me->tail = x;
}
template<typename T, T *T::*next>
inline T* profilerQueueDequeue(profilerQueue<T,next> *me) {
T *ans = me->head;
me->head = ans->*next;
if (me->head == nullptr) me->tail = nullptr;
return ans;
}
#endif