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| // |
| // Copyright 2012 Francisco Jerez |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the "Software"), |
| // to deal in the Software without restriction, including without limitation |
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| // and/or sell copies of the Software, and to permit persons to whom the |
| // Software is furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| // OTHER DEALINGS IN THE SOFTWARE. |
| // |
| |
| #include "api/util.hpp" |
| #include "core/event.hpp" |
| |
| using namespace clover; |
| |
| PUBLIC cl_event |
| clCreateUserEvent(cl_context ctx, cl_int *errcode_ret) try { |
| if (!ctx) |
| throw error(CL_INVALID_CONTEXT); |
| |
| ret_error(errcode_ret, CL_SUCCESS); |
| return new soft_event(*ctx, {}, false); |
| |
| } catch(error &e) { |
| ret_error(errcode_ret, e); |
| return NULL; |
| } |
| |
| PUBLIC cl_int |
| clSetUserEventStatus(cl_event ev, cl_int status) { |
| if (!dynamic_cast<soft_event *>(ev)) |
| return CL_INVALID_EVENT; |
| |
| if (status > 0) |
| return CL_INVALID_VALUE; |
| |
| if (ev->status() <= 0) |
| return CL_INVALID_OPERATION; |
| |
| if (status) |
| ev->abort(status); |
| else |
| ev->trigger(); |
| |
| return CL_SUCCESS; |
| } |
| |
| PUBLIC cl_int |
| clWaitForEvents(cl_uint num_evs, const cl_event *evs) try { |
| if (!num_evs || !evs) |
| throw error(CL_INVALID_VALUE); |
| |
| std::for_each(evs, evs + num_evs, [&](const cl_event ev) { |
| if (!ev) |
| throw error(CL_INVALID_EVENT); |
| |
| if (&ev->ctx != &evs[0]->ctx) |
| throw error(CL_INVALID_CONTEXT); |
| |
| if (ev->status() < 0) |
| throw error(CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST); |
| }); |
| |
| // Create a temporary soft event that depends on all the events in |
| // the wait list |
| ref_ptr<soft_event> sev = transfer( |
| new soft_event(evs[0]->ctx, { evs, evs + num_evs }, true)); |
| |
| // ...and wait on it. |
| sev->wait(); |
| |
| return CL_SUCCESS; |
| |
| } catch(error &e) { |
| return e.get(); |
| } |
| |
| PUBLIC cl_int |
| clGetEventInfo(cl_event ev, cl_event_info param, |
| size_t size, void *buf, size_t *size_ret) { |
| if (!ev) |
| return CL_INVALID_EVENT; |
| |
| switch (param) { |
| case CL_EVENT_COMMAND_QUEUE: |
| return scalar_property<cl_command_queue>(buf, size, size_ret, ev->queue()); |
| |
| case CL_EVENT_CONTEXT: |
| return scalar_property<cl_context>(buf, size, size_ret, &ev->ctx); |
| |
| case CL_EVENT_COMMAND_TYPE: |
| return scalar_property<cl_command_type>(buf, size, size_ret, ev->command()); |
| |
| case CL_EVENT_COMMAND_EXECUTION_STATUS: |
| return scalar_property<cl_int>(buf, size, size_ret, ev->status()); |
| |
| case CL_EVENT_REFERENCE_COUNT: |
| return scalar_property<cl_uint>(buf, size, size_ret, ev->ref_count()); |
| |
| default: |
| return CL_INVALID_VALUE; |
| } |
| } |
| |
| PUBLIC cl_int |
| clSetEventCallback(cl_event ev, cl_int type, |
| void (CL_CALLBACK *pfn_event_notify)(cl_event, cl_int, |
| void *), |
| void *user_data) try { |
| if (!ev) |
| throw error(CL_INVALID_EVENT); |
| |
| if (!pfn_event_notify || type != CL_COMPLETE) |
| throw error(CL_INVALID_VALUE); |
| |
| // Create a temporary soft event that depends on ev, with |
| // pfn_event_notify as completion action. |
| ref_ptr<soft_event> sev = transfer( |
| new soft_event(ev->ctx, { ev }, true, |
| [=](event &) { |
| ev->wait(); |
| pfn_event_notify(ev, ev->status(), user_data); |
| })); |
| |
| return CL_SUCCESS; |
| |
| } catch(error &e) { |
| return e.get(); |
| } |
| |
| PUBLIC cl_int |
| clRetainEvent(cl_event ev) { |
| if (!ev) |
| return CL_INVALID_EVENT; |
| |
| ev->retain(); |
| return CL_SUCCESS; |
| } |
| |
| PUBLIC cl_int |
| clReleaseEvent(cl_event ev) { |
| if (!ev) |
| return CL_INVALID_EVENT; |
| |
| if (ev->release()) |
| delete ev; |
| |
| return CL_SUCCESS; |
| } |
| |
| PUBLIC cl_int |
| clEnqueueMarker(cl_command_queue q, cl_event *ev) try { |
| if (!q) |
| throw error(CL_INVALID_COMMAND_QUEUE); |
| |
| if (!ev) |
| throw error(CL_INVALID_VALUE); |
| |
| *ev = new hard_event(*q, CL_COMMAND_MARKER, {}); |
| |
| return CL_SUCCESS; |
| |
| } catch(error &e) { |
| return e.get(); |
| } |
| |
| PUBLIC cl_int |
| clEnqueueBarrier(cl_command_queue q) { |
| if (!q) |
| return CL_INVALID_COMMAND_QUEUE; |
| |
| // No need to do anything, q preserves data ordering strictly. |
| return CL_SUCCESS; |
| } |
| |
| PUBLIC cl_int |
| clEnqueueWaitForEvents(cl_command_queue q, cl_uint num_evs, |
| const cl_event *evs) try { |
| if (!q) |
| throw error(CL_INVALID_COMMAND_QUEUE); |
| |
| if (!num_evs || !evs) |
| throw error(CL_INVALID_VALUE); |
| |
| std::for_each(evs, evs + num_evs, [&](const cl_event ev) { |
| if (!ev) |
| throw error(CL_INVALID_EVENT); |
| |
| if (&ev->ctx != &q->ctx) |
| throw error(CL_INVALID_CONTEXT); |
| }); |
| |
| // Create a hard event that depends on the events in the wait list: |
| // subsequent commands in the same queue will be implicitly |
| // serialized with respect to it -- hard events always are. |
| ref_ptr<hard_event> hev = transfer( |
| new hard_event(*q, 0, { evs, evs + num_evs })); |
| |
| return CL_SUCCESS; |
| |
| } catch(error &e) { |
| return e.get(); |
| } |
| |
| PUBLIC cl_int |
| clGetEventProfilingInfo(cl_event ev, cl_profiling_info param, |
| size_t size, void *buf, size_t *size_ret) { |
| return CL_PROFILING_INFO_NOT_AVAILABLE; |
| } |
| |
| PUBLIC cl_int |
| clFinish(cl_command_queue q) try { |
| if (!q) |
| throw error(CL_INVALID_COMMAND_QUEUE); |
| |
| // Create a temporary hard event -- it implicitly depends on all |
| // the previously queued hard events. |
| ref_ptr<hard_event> hev = transfer(new hard_event(*q, 0, { })); |
| |
| // And wait on it. |
| hev->wait(); |
| |
| return CL_SUCCESS; |
| |
| } catch(error &e) { |
| return e.get(); |
| } |