/*
 * =============================================================================
 *   ROC Runtime Conformance Release License
 * =============================================================================
 * The University of Illinois/NCSA
 * Open Source License (NCSA)
 *
 * Copyright (c) 2017, Advanced Micro Devices, Inc.
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 *
 *                 AMD Research and AMD ROC Software Development
 *
 *                 Advanced Micro Devices, Inc.
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 *                 www.amd.com
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#pragma OPENCL EXTENSION cl_khr_int64_base_atomics : enable

__kernel void signal_st_rlx_kernel(__global void* dumy_signal)
{
 
 int  tid = get_global_id(0);
 volatile __global long* p = (volatile __global long* )(dumy_signal);
 atom_xchg(p,0);
}

__kernel void signal_st_rlx_kernel_multi(__global void* dumy_signal)
{
 
 int  tid = get_global_id(0);
 int offset = 8*tid; // handle is of long unsigned int, having size of 8bytes
 volatile __global long* p = (volatile __global long* )(dumy_signal+ offset);
 atom_xchg(p,0);
}

__kernel void signal_wait_kernel(__global void* dumy_signal)
{
 
 int  tid = get_global_id(0);
 volatile __global long* p = (volatile __global long* )(dumy_signal);
 while(!(*p == 0)) {  } // Will be using the volatile type as we dont have atom_cmp() function from Khronos spec

}

__kernel void signal_wait_kernel_multi(__global void* dumy_signal)
{
 
 int  tid = get_global_id(0);
 int offset = 8*tid; // handle is of long unsigned int, having size of 8bytes
 volatile __global long* p = (volatile __global long* )(dumy_signal + offset);
 while(!(*p == 0)) {  } // Will be using the volatile type as we dont have atom_cmp() function from Khronos spec

}
